form视图的丢弃按钮增加二次确认功能

jikimo_frontend/__manifest__.py

@@ -27,6 +27,7 @@
             'jikimo_frontend/static/src/views/list_nums/list_nums.xml',
             'jikimo_frontend/static/src/views/list_nums/list_nums2.xml',
             'jikimo_frontend/static/src/views/list_nums/list_nums3.xml',
+            'jikimo_frontend/static/src/js/custom_form_status_indicator.js',
         ],
 
     },

jikimo_frontend/static/src/js/custom_form_status_indicator.js

@@ -0,0 +1,49 @@
+/** @odoo-module */
+
+import {patch} from '@web/core/utils/patch';
+// import { Dialog } from "@web/core/dialog/dialog";
+import {_t} from "@web/core/l10n/translation";
+import {FormStatusIndicator} from "@web/views/form/form_status_indicator/form_status_indicator"
+
+var Dialog = require('web.Dialog');
+// var {patch} = require("web.utils") 这句话也行
+
+patch(FormStatusIndicator.prototype, 'jikimo_frontend.FormStatusIndicator', {
+    // 你可以重写或者添加一些方法和属性
+    async _onDiscardChanges() {
+        var self = this;
+        Dialog.confirm(this, _t("Are you sure you want to discard changes?"), {
+            title: _t("Discard Changes"),
+
+          // confirm_callback: function () {
+          //   self.model.discardChanges(self.handle);
+          // },
+        });
+      },
+
+    async discard() {
+      // if (window.confirm("Are you sure you want to discard changes?")) {
+      //   await this.props.discard();
+      // }
+      const result = await this._confirmDiscardChange();
+      await this.props.discard();
+    },
+
+    _confirmDiscardChange(){
+        var self = this;
+        var def = new Promise(function (resolve, reject) {
+          var message = _t("请确认是否要舍弃之前的更改？");
+          var dialog = Dialog.confirm(self, message, {
+            title: _t("Warning"),
+            confirm_callback: resolve.bind(self, true),
+            cancel_callback: reject,
+          });
+          dialog.on('closed', self, reject);
+        });
+        return def;
+      },
+
+}
+);
+
+