fix:返回提示

ureport2-js/src/tools/BackTool.js

@@ -11,19 +11,9 @@ export default class OpenTool extends Tool{
         window.parent.postMessage({'goback': -1},'*')
     }
     getTitle(){
-        return `${window.i18n.openFile}`;
+        return `返回`;
     }
     getIcon(){
         return `<img src='${window._contextPath}/ureport/res/ureport-asserts/icons/back.svg' width="22px" height="22px">`;
     }
-    // buildButton(){
-    //     const btn=$(`<button type="button" class="btn btn-default" style="border:none;border-radius:0;background: #f8f8f8;padding: 6px 5px;" title="${this.getTitle()}">
-    //          ${this.getIcon()}
-    //     </button>`);
-    //     const _this=this;
-    //     btn.click(function(){
-    //         _this.execute();
-    //     });
-    //     return btn;
-    // }
 }