From d270af0a5ae30d20da42fccb0b33dd023bec3eac Mon Sep 17 00:00:00 2001
From: Tevin <tingquanren@163.com>
Date: Fri, 09 Jul 2021 14:39:26 +0800
Subject: [PATCH] 调整页面间通讯组件细节
---
common/PagePoster.js | 6 ++++++
forms/select/CSelect.vue | 15 +++++++++------
2 files changed, 15 insertions(+), 6 deletions(-)
diff --git a/common/PagePoster.js b/common/PagePoster.js
index 0ffd4c2..b9caed0 100644
--- a/common/PagePoster.js
+++ b/common/PagePoster.js
@@ -34,9 +34,15 @@
id: guid,
events: new Taro.Events(),
on(name, callback) {
+ if (!this.events) {
+ return;
+ }
this.events.on(name, callback);
},
emit(name, data) {
+ if (!this.events) {
+ return;
+ }
this.events.trigger(name, data);
},
destroy() {
diff --git a/forms/select/CSelect.vue b/forms/select/CSelect.vue
index cf02769..e8547c6 100644
--- a/forms/select/CSelect.vue
+++ b/forms/select/CSelect.vue
@@ -111,18 +111,21 @@
} else {
url += '?mode=CSelect';
}
- const eventor = $pagePoster.createEventor();
- eventor.on('@linked', () => {
- eventor.emit('lastValue', this.choose.value);
+ if (this._eventor) {
+ // 销毁上次事件收发器
+ this._eventor.destroy();
+ }
+ this._eventor = $pagePoster.createEventor();
+ this._eventor.on('@linked', () => {
+ this._eventor.emit('lastValue', this.choose.value);
});
- eventor.on('selected', data => {
+ this._eventor.on('selected', data => {
this.choose.name = data.name;
this.choose.value = data.value;
this.itemRes.onChange(data.value);
this.onSelectFromPage && this.onSelectFromPage(data.value);
- eventor.destroy();
});
- Taro.navigateTo({ url: url + '&eventorId=' + eventor.id });
+ Taro.navigateTo({ url: url + '&eventorId=' + this._eventor.id });
},
},
};
--
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