From 26316aa5f7f2b38c747851f5b0b8ff98595bb7d9 Mon Sep 17 00:00:00 2001
From: hdx <hdx@dcloud.io>
Date: Mon, 8 Apr 2024 17:05:50 +0800
Subject: [PATCH] =?UTF-8?q?feat(uni.event):=20=E6=96=B0=E5=A2=9E=20uni.$of?=
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---
 pages/API/event-bus/event-bus.test.js | 18 ++++++++++++++++++
 pages/API/event-bus/event-bus.uvue    | 13 ++++++++++++-
 2 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/pages/API/event-bus/event-bus.test.js b/pages/API/event-bus/event-bus.test.js
index 699466de..bf58ee9d 100644
--- a/pages/API/event-bus/event-bus.test.js
+++ b/pages/API/event-bus/event-bus.test.js
@@ -50,5 +50,23 @@ describe('event-bus', () => {
     await page.callMethod('emit')
     const l3 = (await page.data()).log.length
     expect(l3).toBe(0)
+  })
+
+  it('off-all', async () => {
+    await page.callMethod('clear')
+    await page.callMethod('on')
+    await page.callMethod('on2')
+    await page.callMethod('emit')
+    const l1 = (await page.data()).log.length
+    expect(l1).toBe(2)
+
+    await page.callMethod('clear')
+    const l2 = (await page.data()).log.length
+    expect(l2).toBe(0)
+
+    await page.callMethod('offAll')
+    await page.callMethod('emit')
+    const l3 = (await page.data()).log.length
+    expect(l3).toBe(0)
   })
 })
diff --git a/pages/API/event-bus/event-bus.uvue b/pages/API/event-bus/event-bus.uvue
index fa818297..30c65d63 100644
--- a/pages/API/event-bus/event-bus.uvue
+++ b/pages/API/event-bus/event-bus.uvue
@@ -5,7 +5,8 @@
     <view>
       <button @click="on">开始监听</button>
       <button @click="once">监听一次</button>
-      <button @click="off">取消监听</button>
+      <button @click="off">取消监听</button>
+      <button @click="offAll">取消全部监听</button>
       <button @click="emit">触发监听</button>
       <button @click="clear">清空消息</button>
       <view class="box">
@@ -30,15 +31,25 @@
     methods: {
       fn(res : string) {
         this.log.push(res)
+      },
+      fn2(res : string) {
+        this.log.push(res)
       },
       on() {
         uni.$on('test', this.fn)
+      },
+      on2() {
+        uni.$on('test', this.fn2)
       },
       once() {
         uni.$once('test', this.fn)
       },
       off() {
         uni.$off('test', this.fn)
+      },
+      offAll() {
+        // TODO 第二个参数为可选，后续优化后可不传递
+        uni.$off('test', null)
       },
       emit() {
         uni.$emit('test', 'msg:' + Date.now())
-- 
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