发卡打印时增加loading，使用户在进行中时不可操作

package.json

@@ -1,6 +1,6 @@
 {
   "name": "pc-component-v3",
-  "version": "1.1.10",
+  "version": "1.1.11",
   "description": "",
   "main": "dist/pc-component-v3.js",
   "scripts": {

packages/print/src/PrintEpc.vue

@@ -202,15 +202,17 @@ export default {
       _self.modal = true;
 
       let promise = PrintEpcUtil.resetTag(this.printerName);
-
+      _self.loading = true;
       promise.then(successData => {
         successData.command = 'restore';
         _self.printResult = successData;
         _self.modal = true;
+        _self.loading = false;
       }, errorData => {
         errorData.command = 'restore';
         _self.printResult = errorData;
         _self.modal = true;
+        _self.loading = false;
       });
     },
 
@@ -223,13 +225,15 @@ export default {
       _self.modal = true;
 
       let promise = PrintEpcUtil.readEpc(this.printerName);
-
+      _self.loading = true;
       promise.then(successData => {
         successData.command = 'read';
         _self.printResult = successData;
+        _self.loading = false;
       }, errorData => {
         errorData.command = 'read';
         _self.printResult = errorData;
+        _self.loading = false;
       });
     },