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微信小程序wx.canvasToTempFilePath方法为什么使用本地图片就可以显示，网络图片就不可以

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微信小程序wx.canvasToTempFilePath方法为什么使用本地图片就可以显示，网络图片就不可以

效果如下
微信截图_20200518201948.png
微信图片_20200518201846.png
代码如下
微信截图_20200518202024.png
wx.canvasToTempFilePath部分
微信截图_20200518202405.png
微信截图_20200518202429.png


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by (71.8m points)

文档上不写着呢么

image.png


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