【优化】为代码生成器生成的前端代码添加loading；删除方法回调函数变更为箭头表达式

ruoyi-generator/src/main/resources/vm/vue/index.vue.vm

@@ -534,9 +534,11 @@ export default {
     },
     /** 修改按钮操作 */
     handleUpdate(row) {
+      this.loading = true;
       this.reset();
       const ${pkColumn.javaField} = row.${pkColumn.javaField} || this.ids
       get${BusinessName}(${pkColumn.javaField}).then(response => {
+        this.loading = false;
         this.form = response.data;
 #foreach ($column in $columns)
 #if($column.htmlType == "checkbox")
@@ -554,6 +556,7 @@ export default {
     submitForm() {
       this.#[[$]]#refs["form"].validate(valid => {
         if (valid) {
+            this.loading = true;
 #foreach ($column in $columns)
 #if($column.htmlType == "checkbox")
           this.form.$column.javaField = this.form.${column.javaField}.join(",");
@@ -564,12 +567,14 @@ export default {
 #end
           if (this.form.${pkColumn.javaField} != null) {
             update${BusinessName}(this.form).then(response => {
+              this.loading = false;
               this.msgSuccess("修改成功");
               this.open = false;
               this.getList();
             });
           } else {
             add${BusinessName}(this.form).then(response => {
+              this.loading = false;
               this.msgSuccess("新增成功");
               this.open = false;
               this.getList();
@@ -585,9 +590,11 @@ export default {
           confirmButtonText: "确定",
           cancelButtonText: "取消",
           type: "warning"
-        }).then(function() {
+        }).then(()=> {
+          this.loading = true;
           return del${BusinessName}(${pkColumn.javaField}s);
         }).then(() => {
+          this.loading = false;
           this.getList();
           this.msgSuccess("删除成功");
         })