修改图片上传后样式

src/views/banner_management/banner_edit.vue

@@ -115,7 +115,7 @@ export default {
           { validator: titleTest, trigger: 'blur' }
         ],
         img: [
-          { required: false, message: '请选择轮播图', trigger: 'change' }
+          { required: false, message: '请选择轮播图', trigger: 'blur' }
         ],
         url: [
           { required: false, message: '请输入跳转地址', trigger: 'blur' }
@@ -143,6 +143,9 @@ export default {
     },
     'form.img'(newVal) {
       this.$refs['form'].validateField('img')
+      if (newVal !== undefined && newVal !== null && newVal !== '') {
+        this.$refs['form'].clearValidate()
+      }
     }
   },
   created() {
@@ -163,6 +166,9 @@ export default {
           } else {
             this.rules.img[0].required = false
           }
+          if (this.form.img) {
+            this.$refs['form'].clearValidate()
+          }
         }
       })
     },