From 6d017f5a6d102b49b4370b2214e8d19b36a5f56a Mon Sep 17 00:00:00 2001
From: yangdan8 <13532023084@139.com>
Date: Tue, 23 Jan 2018 13:59:18 +0800
Subject: [PATCH] =?UTF-8?q?=E8=A7=A3=E5=86=B3select-item=E5=BC=95=E8=B5=B7?=
 =?UTF-8?q?=E7=9A=84=E5=A4=A7=E9=87=8F=E5=86=85=E5=AD=98=E6=B3=84=E6=BC=8F?=
 =?UTF-8?q?=E7=9A=84bug?=
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解决select-item引起的大量内存泄漏的bug
---
 src/components/select/option.vue | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/src/components/select/option.vue b/src/components/select/option.vue
index 0863097c..0733bb80 100644
--- a/src/components/select/option.vue
+++ b/src/components/select/option.vue
@@ -67,23 +67,27 @@
             // 在使用函数防抖后，设置 key 后，不更新组件了，导致SearchLabel 不更新 #1865
             updateSearchLabel () {
                 this.searchLabel = this.$el.textContent;
+            },
+            onSelectClose(){
+                this.isFocus = false;
+            },
+            onQueryChange(val){
+                this.queryChange(val);
             }
         },
         mounted () {
             this.updateSearchLabel();
             this.dispatch('iSelect', 'append');
-            this.$on('on-select-close', () => {
-                this.isFocus = false;
-            });
-            this.$on('on-query-change', (val) => {
-                this.queryChange(val);
-            });
+            this.$on('on-select-close', this.onSelectClose);
+            this.$on('on-query-change',this.onQueryChange);
 
             const Select = findComponentUpward(this, 'iSelect');
             if (Select) this.autoComplete = Select.autoComplete;
         },
         beforeDestroy () {
             this.dispatch('iSelect', 'remove');
+            this.$off('on-select-close', this.onSelectClose);
+            this.$off('on-query-change',this.onQueryChange);
         }
     };
 </script>