上传图片添加限制

src/views/education/editeach-popup.vue

@@ -402,6 +402,7 @@ export default {
         vm.$message.error("图片大小不符合规范，请根据规范上传图片 ");
         return;
       }
+      console.log(file.width, 'file.width');
       let _img = new FileReader();
       _img.readAsDataURL(file);
       _img.onload = function (theFile) {
@@ -409,6 +410,11 @@ export default {
         image.src = theFile.target.result
         image.onload = function () {
           let _this = this;
+          if (_this.width != 650) {
+          vm.$message.info('图片尺寸不一致，无法提交!');
+          return;
+      }
+          console.log(_this.width);
           openLoading(vm);
             doUpload(vm, file, getFilePath(file, null), "preview4", "progress1", 1).then(function (path) {
               closeLoading(vm);