Merge branch 'feature/GFRS-718【0319】电投添加短信验证码验证身份' into dev

# Conflicts:
#	src/assets/js/business-common.js
#	src/views/ebiz/sale/SignatureConfirmation.vue

src/components/ebiz/sale/UploadImageFile.vue

@@ -65,6 +65,14 @@ export default {
       this.$refs.file.dispatchEvent(new MouseEvent('click'))
     },
     addImg(e) {
+      this.$toast.loading({
+        // 持续展示 toast
+        duration: 0,
+        // 禁用背景点击s
+        forbidClick: true,
+        loadingType: 'spinner',
+        message: '加载中……'
+      })
       let that = this
       this.file = this.$refs.file.files[0]
       var reader = new FileReader()