优化图片上传

components/image-cropper/image-cropper.js

@@ -310,7 +310,7 @@ Component({
                         height: Math.round(this.data.height * this.data.export_scale),
                         destWidth: this.data.width * this.data.export_scale,
                         destHeight: Math.round(this.data.height) * this.data.export_scale,
-                        fileType: 'png',
+                        fileType: 'jpg',
                         quality: this.data.quality,
                         canvasId: this.data.el,
                         success: (res) => {
@@ -849,7 +849,7 @@ Component({
                             height: Math.round(this.data.height * this.data.export_scale),
                             destWidth: this.data.width * this.data.export_scale,
                             destHeight: Math.round(this.data.height) * this.data.export_scale,
-                            fileType: 'png',
+                            fileType: 'jpg',
                             quality: this.data.quality,
                             canvasId: this.data.el,
                             success: (res) => {

components/paintCanvas/paintCanvas.wxml

@@ -2,7 +2,6 @@
  <van-overlay show="{{showPaint}}" z-index="99999999" >
 <view class="upage" style="position:reltive;background-color: #000;height:100vh;" catch:tap="hideBarsHandler" wx:if="{{showPaint}}" >
 
-
 <canvas canvas-id="myCanvas"  disable-scroll="true" bindtouchstart="touchStart"
   bindtouchmove="touchMove" bindtouchend="touchEnd" wx:if="{{hasChoosedImg}}"
   style="position:relative;margin:0 auto;height: {{(canvasHeightLen == 0) ? canvasHeight : canvasHeightLen}}px; width: {{canvasWidth}}px; background: url('{{background}}');background-position: 0 0; background-size: {{canvasWidth}}px {{canvasHeight}}px"