通过示例，了解如何在小程序中实现Canvas Drag功能（与Applet Canvas一起使用）

本文解释了如何通过代码示例实现微信Mini Program Canvas Drag Element函数，希望它对每个人都有用。

## img_tag_<img src="https://img.php.cn/upload/article/000/000/0<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">4/6<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">a4b8<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8bfb60<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif"><img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8.jpg"> ##

canree canvas

数据数据

//鼠标status status statusconfig：{idle：<img src="https://img.php.cn/upload/article/000/000/0<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">4/6<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">a4b8<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8bfb60<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif"><img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8.jpg">，：<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">，// //拖动启动拖动：<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">，// drag}，// canvas status canvan asinfo：{// circle Status：<img src="https://img.php.cn/upload/article/000/000/0<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">4/6<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">a4b8<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8bfb60<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif"><img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8.jpg">，//鼠标放在drag tall for Circle：null，// circle lastEndevitpos：{x：{x： null，y：null}，}，

canvas

onload：function（options）{//单击时位置设置帆布并绘制布CTX CTX的上下文 根据以下内容获取帆布元素。 微信小程序无法使用文档。 您应该使用wx.createselectorquery（）代替const query = wx.createselectorquery（）query .Select（'＃myCanvas'）。fields（{node：node：true，size：true}）。exec（exec（res）=> {canvas。宽度=“ 5<img src="https://img.php.cn/upload/article/000/000/0<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">4/6<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">a4b8<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8bfb60<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif"><img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8.jpg"><img src="https://img.php.cn/upload/article/000/000/0<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">4/6<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">a4b8<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8bfb60<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif"><img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8.jpg">”;quot;; const ctx = canvas.getContext（'<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">d'）//在画布上绘制两个圆圈，通过CTX并将其涂漆。<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif"><img src="https://img.php.cn/upload/article/000/000/0<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">4/6<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">a4b8<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8bfb60<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif"><img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8.jpg"><img src="https://img.php.cn/upload/article/000/000/0<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">4/6<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">a4b8<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8bfb60<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif"><img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8.jpg">，<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png"><img src="https://img.php.cn/upload/article/000/000/0<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">4/6<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">a4b8<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8bfb60<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif"><img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8.jpg">）。 //您需要从我们的绘画中保存信息，然后将其移动以重新绘制空图圆圈。 推（{x：<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png"><img src="https://img.php.cn/upload/article/000/000/0<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">4/6<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">a4b8<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8bfb60<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif"><img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8.jpg"><img src="https://img.php.cn/upload/article/000/000/0<img 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src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8bfb60<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif"><img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8.jpg">，y：<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png"><img src="https://img.php.cn/upload/article/000/000/0<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">4/6<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">a4b8<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8bfb60<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif"><img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8.jpg"><img src="https://img.php.cn/upload/article/000/000/0<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">4/6<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img 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src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif"><img src="https://img.php.cn/upload/article/000/000/0<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">4/6<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img 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title="168184876208027.gif" alt="2.gif"><img src="https://img.php.cn/upload/article/000/000/0<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">4/6<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" 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src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">a4b8<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8bfb60<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif"><img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8.jpg">，y：<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif"><img src="https://img.php.cn/upload/article/000/000/0<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">4/6<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">a4b8<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" 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title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8bfb60<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif"><img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8.jpg">，r：<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png"><img src="https://img.php.cn/upload/article/000/000/0<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">4/6<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">a4b8<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8bfb60<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif"><img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8.jpg">}）; ，r）{ctx.save（）ctx.beginpath（）ctx.strokestyle ='yellow'ctx.lineWidth = ctx.arc（cx，cy，cy，r，r，<img src="https://img.php.cn/upload/article/000/000/0<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">4/6<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">a4b8<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8bfb60<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif"><img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8.jpg">，<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">*math.pi）事件：（）ctx.closepath（）ctx.restore（）}，

## img_tag_<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png"> ##

canvas <canvas 键入触发条件。 动作被中断，动作以tathagata呼叫结束，提醒您和弹出窗口触摸，然后您的手指立即触摸。

触摸动作开始了。 如果单击点是圆圈，请更改Canvasinfo中的信息。

handlecanvasStart（e）{//获取点击点位置（canvasp ososity）; = circleref; //拖动状态-> drag_start canvasinfo.status = statusconfig.drag_start; X：E.ChangedTouches [<img src="https://img.php.cn/upload/article/000/000/0<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">4/6<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">a4b8<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8bfb60<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif"><img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8.jpg">] 。 ifcircle（pos）{const {circles} = this。 数据;（i = <img src="https://img.php.cn/upload/article/000/000/0<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">4/6<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">a4b8<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8bfb60<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif"><img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8.jpg">; i

触摸并重新绘制圆圈

 handlecanvasmove（e）{const canvasposition = this.getCanvasposition（e）; == statusconfig .drag_start && this.getDistance（canvasposition，canvasinfo.lastevtpos）> 5）> 5）> 5）{//更改drag drag state drag_start -> dragcanvasinfo.status = statusconconfig.dragging if（canvasinfo.statefo.statefo.statefo.statefo.status;  === statusconfig.dragging）{canvasinfo.dragtarget.x = canvasposition.x; {node：true，size：true}）。执行（（res）=> {const canvas = res [<img src="https://img.php.cn/upload/article/000/000/0<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">4/6<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">a4b8<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8bfb60<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif"><img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8.jpg">] .node canvas.width =“ 5<img src="https://img.php.cn/upload/article/000/000/0<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">4/6<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">a4b8<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8bfb60<img 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title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8.jpg"><img src="https://img.php.cn/upload/article/000/000/0<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">4/6<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">a4b8<img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8bfb60<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif"><img src="https://img.php.cn/upload/image/8<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5/<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">69/406/16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" title="16818488<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">5949<img src="https://img.php.cn/upload/image/92/261/190/168184876208027.gif" title="168184876208027.gif" alt="2.gif">.png" alt="1.png">8.jpg">”;                                                                                                                                  this.setdata（{canvasinfo，}）} 

当手指触摸动作完成时，canvasinfo再次闲置
 handlecanvasend（e） === statusconfig.dragging）{//更改阻力状态。  this.setData（{canvasinfo}）} 
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                        本文由主机参考刊发，转载请注明：通过示例，了解如何在小程序中实现Canvas Drag功能（与Applet Canvas一起使用） https://zhujicankao.com/143529.html