feat: add modal prop to Poptip

src/components/poptip/poptip.vue

@@ -111,7 +111,12 @@
             // default by css: 8px 16px
             padding: {
                 type: String
-            }
+            },
+            // 增加模态特性
+            modal: {
+                type: Boolean,
+                default: false,
+            },
         },
         data () {
             return {
@@ -194,6 +199,7 @@
                 if (this.transfer) this.disableCloseUnderTransfer = true;
             },
             handleClose () {
+                if (!this.modal) {
                     if (this.disableCloseUnderTransfer) {
                         this.disableCloseUnderTransfer = false;
                         return false;
@@ -206,6 +212,7 @@
                         return false;
                     }
                     this.visible = false;
+                }
             },
             handleFocus (fromInput = true) {
                 if (this.trigger !== 'focus' || this.confirm || (this.isInput && !fromInput)) {