上面是原图： [图片] 下面是draw后canvasToTempFilePath生成图片： [图片] 正常的pc：wx.getSystemInfoSync().pixelRatio： 1 不全的pc：wx.getSystemInfoSync().pixelRatio： 1.5 宽高打印出来的数据一致 html片段：     js片段： ctx.draw(false, () => {               wx.canvasToTempFilePath(                 {                   x: 0,                   y: 0,                   // width: _this.data.boxWidth,                   // height: _this.data.boxHeight,                   width: tempPosition.dWidth,                   height: tempPosition.dHeight,                   // destWidth: _this.data.boxWidth * wx.getSystemInfoSync().pixelRatio,                   // destHeight: _this.data.boxHeight * wx.getSystemInfoSync().pixelRatio,                   // destWidth: tempPosition.dWidth * wx.getSystemInfoSync().pixelRatio,                   // destHeight: tempPosition.dHeight * wx.getSystemInfoSync().pixelRatio,                   destWidth: tempPosition.dWidth,                   destHeight: tempPosition.dHeight,                   fileType: 'png',                   quality: 1,                   canvasId: 'tempCanvas',                   success(res) {                     console.log('编辑成功', res.tempFilePath)                     wx.hideLoading()                     _this.triggerEvent('editorImageOk', {                       tempFilePath: res.tempFilePath                     })                   },                   fail() {                     console.log('编辑失败', e)                     wx.hideLoading()                     wx.showToast({ title: '保存失败', icon: 'none' })                     _this.closelEditor()                   }                 },                 _this               )             }) thinkpad笔记本，分辨率1920*1080，微信版本3.1.0.67, 小程序基础库2.15.0。 部分PC电脑版微信 小程序wx.canvasToTempFilePath生成图片显示不全。不是开发者工具！