From 1b60606832e5888fa9f6fa99edb158e30633b297 Mon Sep 17 00:00:00 2001
From: tangjinzhou <415800467@qq.com>
Date: Sun, 29 Mar 2020 16:07:02 +0800
Subject: [PATCH] fix: form-model throw error when use v-model and change at
 the same time #1971

---
 components/_util/BaseMixin.js      | 12 +++++++-----
 components/form-model/FormItem.jsx | 12 ++++++++++--
 package.json                       |  2 +-
 3 files changed, 18 insertions(+), 8 deletions(-)

diff --git a/components/_util/BaseMixin.js b/components/_util/BaseMixin.js
index d15669e7d..d1e94aeda 100644
--- a/components/_util/BaseMixin.js
+++ b/components/_util/BaseMixin.js
@@ -27,13 +27,15 @@ export default {
     __emit() {
       // 直接调用listeners，底层组件不需要vueTool记录events
       const args = [].slice.call(arguments, 0);
-      const filterEvent = [];
       const eventName = args[0];
-      if (args.length && this.$listeners[eventName]) {
-        if (filterEvent.includes(eventName)) {
-          this.$emit(eventName, ...args.slice(1));
+      const event = this.$listeners[eventName];
+      if (args.length && event) {
+        if (Array.isArray(event)) {
+          for (let i = 0, l = event.length; i < l; i++) {
+            event[i](...args.slice(1));
+          }
         } else {
-          this.$listeners[eventName](...args.slice(1));
+          event(...args.slice(1));
         }
       }
     },
diff --git a/components/form-model/FormItem.jsx b/components/form-model/FormItem.jsx
index 29164fafc..9dfba0ff7 100644
--- a/components/form-model/FormItem.jsx
+++ b/components/form-model/FormItem.jsx
@@ -232,14 +232,22 @@ export default {
     let firstChildren = children[0];
     if (this.prop && this.autoLink && isValidElement(firstChildren)) {
       const originalEvents = getEvents(firstChildren);
+      const originalBlur = originalEvents.blur;
+      const originalChange = originalEvents.change;
       firstChildren = cloneElement(firstChildren, {
         on: {
           blur: (...args) => {
-            originalEvents.blur && originalEvents.blur(...args);
+            originalBlur && originalBlur(...args);
             this.onFieldBlur();
           },
           change: (...args) => {
-            originalEvents.change && originalEvents.change(...args);
+            if (Array.isArray(originalChange)) {
+              for (let i = 0, l = originalChange.length; i < l; i++) {
+                originalChange[i](...args);
+              }
+            } else if (originalChange) {
+              originalChange(...args);
+            }
             this.onFieldChange();
           },
         },
diff --git a/package.json b/package.json
index bc1f13bea..92bbb9b36 100644
--- a/package.json
+++ b/package.json
@@ -211,4 +211,4 @@
         "lib/**/style/*",
         "*.less"
     ]
-}
\ No newline at end of file
+}