静态页面

src/pages/WoDe/XiaZaiErWeiMa/index.vue

@@ -12,7 +12,7 @@
               <img v-if="QrCodeUrl !== null" :src="QrCodeUrl" class="contain" alt="">
             </div>
           </div>
-          <div class="SaveImg">
+          <div class="SaveImg" :style="{opacity: ShowSaveImgBtn ? 1 : 0}">
             <a @click="SaveImg">保存截图</a>
           </div>
         </div>
@@ -33,6 +33,7 @@ export default {
   name: '',
   data () {
     return {
+      ShowSaveImgBtn: false,
       QrCodeUrl: null,
       CanvasImg: null,
       Base64Img: null
@@ -89,6 +90,7 @@ export default {
           html2canvas(this.$refs.PageContainer).then(function (canvas) {
             document.body.appendChild(canvas)
             _that.CanvasImg = canvas.toDataURL('image/jpeg', 1.0)
+            _that.ShowSaveImgBtn = true
           })
         }, 1000)
       }).catch((res) => {