这是开发工具的效果（想要的效果） [图片] 这是真机效果 [图片] var ctx = wx.createCanvasContext('shareFrends')  ctx.setFillStyle('#ffffff') ctx.fillRect(0, 0, 670, 1192) let sharebg='https://tmjapp-dev.niceued.com/xcximages/index/sharebg2.png'  wx.getImageInfo({     src: sharebg,     success: function (res) {           ctx.drawImage(res.path, 0, 0, 670, 1192)         ctx.draw(true)              wx.getImageInfo({             src: 'https://tmjapp-dev.niceued.com/xcximages/icon_add.png',             success: function (res) {                  let pic =res.path                  ctx.drawImage(pic, 120, 115,28, 28)                  ctx.draw(true)                     wx.getImageInfo({                     src:that.data.dataForm.user.avatar,                     success: function (res) {                          let pic =res.path                          ctx.save();                          ctx.arc(72, 112, 32, 0, 2 * Math.PI);                          ctx.clip();                          ctx.fillRect(40, 80, 64, 64);                          ctx.drawImage(pic, 40, 80,64, 64)                          ctx.draw(true)                           // 绘制文字                          ctx.font = "normal 500 26px PingFang SC";                         ctx.setFillStyle('#342012')                          ctx.fillText(that.data.dataForm.user.uname, 120, 100);                           ctx.font = "normal 400 22px PingFang SC";                         ctx.setFillStyle('#EAB06E')                          ctx.fillText(that.data.dataForm.user.part_name?that.data.dataForm.user.part_name:'', 152, 138);                           ctx.font = "normal bold 32px PingFang SC";                         ctx.setFillStyle('#3E3737')                           let erweimaTxt1 = that.data.dataForm.title.length > 30 ? `${that.data.dataForm.title.slice(0,30)}...` : that.data.dataForm.title; //文字标题                          that.wordsWrap(ctx,erweimaTxt1,  72, 270,48);                               ctx.font = "normal bold 28px PingFang SC";                         ctx.fillText('办理建议', 72, 610);                           ctx.font = "normal 400 24px PingFang SC";                         ctx.setFillStyle('#999999')                          ctx.textAlign = 'right'                         ctx.fillText(that.data.dataForm.create_time, 598, 270);                           ctx.font = "normal 400 26px PingFang SC";                         ctx.textAlign = 'left'                         ctx.setFillStyle('rgba(52, 32, 18, 0.7)')                           let erweimaTxt2 = that.data.dataForm.content.length > 88 ? `${that.data.dataForm.content.slice(0,88)}...` : that.data.dataForm.content; //文字标题                          that.wordsWrap(ctx,erweimaTxt2, 72, 330,48);                           let remark=that.data.operateRecord[0].remark?that.data.operateRecord[0].remark:that.data.operateRecord[0].status_name                         let erweimaTxt3 = remark.length > 44 ? `${remark.slice(0,44)}...` : remark; //文字标题                          that.wordsWrap(ctx,erweimaTxt3, 72, 660,48);                           ctx.draw(true)                          ctx.draw(true, setTimeout(() => {                             wx.canvasToTempFilePath({                                 x: 0,                                 y: 0,                                 canvasId: 'shareFrends',                                 success: function (res) {                                     var shareImg = res.tempFilePath;                                      that.setData({                                         shareImg: shareImg,                                         hideModal: false                                     })                                     wx.hideLoading()                                 },                                 fail: function (res) {                                 }                             })                         }, 100))                      }                 })             }         })                } })      

使用button open-type：getUserInfo调取头像昵称授权没有调起弹窗