handleCreateImagesBtn () {let that = thisthis.actionChangeScaleAlias('1')if (this.showScaleState !== '1') {ElementMsg(this, 'success', '坐席正处于缩放状态，请将显示比列设置为100%后重试')return false} ElementMsg(this, 'info', '图片生成中，请稍候...')// 生成图片let _canvas = document.querySelector('.SeatManageEditSeatArea')console.log(_canvas)html2canvas(_canvas).then(canvas => {console.log(canvas)this.toDataURL = canvas.toDataURL()let param = {id: that.meetingInfoState.id,meetingId: that.$route.query.meetingId,meetingMaxUrl: canvas.toDataURL(),canvasWide: parseInt(_canvas.style.width.substring(0, _canvas.style.width.length - 2)),canvasHigh: parseInt(_canvas.style.height.substring(0, _canvas.style.height.length - 2))}console.log(param)uploadImg('', param).then((res) => {// 请求})})},
<a :href="toDataURL" download="图片canvas.png">下载图片</a>
转自作者：
https://juejin.im/post/5c1896d7f265da612c5dd13f
