调用wx.canvasToTempFilePath报错显示'canvasId'

发布于 7 年前作者 majie8887 次浏览最后编辑 7 年前来自 ask

Cannot read property ‘canvasId’ of undefined; at wx.canvasToTempFilePath

TypeError: Cannot read property ‘canvasId’ of undefined

    at An (WAService.js:1:428255)

    at Object.Mn [as canvasToTempFilePath] (WAService.js:1:428896)

    at Object.<anonymous> (WAService.js:1:271002)

    at Object.<anonymous> (WAService.js:1:851323)

    at Function.<anonymous> (WAService.js:1:851453)

    at Object.<anonymous> (WAService.js:1:256943)

    at ye.canvasToTempImage (http://127.0.0.1:60152/appservice/pages/mymain/mymain.js:226:6)

    at Function.

(http://127.0.0.1:60152/appservice/pages/mymain/mymain.js:221:11)

    at WAService.js:1:101748

    at WAService.js:1:89930

<canvas canvas-id=“canvas” class=“hbcanvas” hidden=“true”></canvas>

<canvas canvas-id=“mycanvas” class=“hbcanvas” hidden=“true”></canvas>

2 回复
isong
isong1 楼6 年前

麻烦提供能复现问题的代码片段(https://developers.weixin.qq.com/miniprogram/dev/devtools/minicode.html

na70
na702 楼5 年前

侠盗飞车