Modal add before-close prop

examples/routers/modal.vue

@@ -5,7 +5,9 @@
                 v-model="modal1"
                 title="Common Modal dialog box title"
                 @on-ok="ok"
-                @on-cancel="cancel">
+                @on-cancel="cancel"
+                :before-close="handleBeforeClose"
+        >
             <p>Content of dialog</p>
             <p>Content of dialog</p>
             <p>Content of dialog</p>
@@ -145,6 +147,20 @@
             handleSpinShow () {
                 this.$Spin.show();
             },
+            handleBeforeClose () {
+                return new Promise((resolve, reject) => {
+                    this.$Modal.confirm({
+                        title: '关闭确认',
+                        content: '您确认要关闭弹窗吗？',
+                        onOk: () => {
+                            resolve();
+                        },
+                        onCancel: () => {
+                            reject();
+                        }
+                    });
+                });
+            }
         }
     }
 </script>

src/components/modal/modal.vue

@@ -150,7 +150,8 @@
             zIndex: {
                 type: Number,
                 default: 1000
-            }
+            },
+            beforeClose: Function
         },
         data () {
             return {
@@ -259,6 +260,21 @@
         },
         methods: {
             close () {
+                if (!this.beforeClose) {
+                    return this.handleClose();
+                }
+
+                const before = this.beforeClose();
+
+                if (before && before.then) {
+                    before.then(() => {
+                        this.handleClose();
+                    });
+                } else {
+                    this.handleClose();
+                }
+            },
+            handleClose () {
                 this.visible = false;
                 this.$emit('input', false);
                 this.$emit('on-cancel');