const that = this;
wx.canvasToTempFilePath({
x: 0,
y: 0,
canvasId: 'myCanvas',
success: function (res) {
wx.saveFile({
tempFilePath: res.tempFilePath,
success: function (res) {
const ctx = wx.createCanvasContext('allCanvas');
//正面
ctx.save();
ctx.drawImage(that.data.zimg, 85, 60, 128, 80);
ctx.restore();
ctx.drawImage(res.savedFilePath,85, 220, 128, 80);
ctx.draw();
}
})
}
});



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