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2022-07-24 20:30:09 +08:00
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docs/design_patterns/设计模式-05.01-行为型-观察者&模板.md
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@@ -8,7 +8,7 @@ categories:
- 05.行为型
keywords: 观察者模式，模板模式
description: 观察者模式，模板模式。很常用的两个模式
cover: 'https://upyunimg.imlql.cn/lql_static@latest/logo/design_patterns.jpg'
cover: 'https://npm.elemecdn.com/lql_static@latest/logo/design_patterns.jpg'
abbrlink: dd09051e
date: 2021-07-14 16:51:58
---
@@ -34,7 +34,7 @@ date: 2021-07-14 16:51:58
### 方案一
<img src="https://upyunimg.imlql.cn/youthlql@1.0.0/design_patterns/behavior_type/05.01/0001.png"/>
<img src="https://npm.elemecdn.com/youthlql@1.0.0/design_patterns/behavior_type/05.01/0001.png"/>
@@ -721,11 +721,11 @@ public DObserver{
1. Guava EventBus 的功能我们已经讲清楚了，总体上来说，还是比较简单的。接下来，我们就重复造轮子，“山寨”一个 EventBus 出来。
2. 我们重点来看，EventBus 中两个核心函数 register() 和 post() 的实现原理。弄懂了它们，基本上就弄懂了整个 EventBus 框架。下面两张图是这两个函数的实现原理图。
<img src="https://upyunimg.imlql.cn/youthlql@1.0.0/design_patterns/behavior_type/05.01/0002.png"/>
<img src="https://npm.elemecdn.com/youthlql@1.0.0/design_patterns/behavior_type/05.01/0002.png"/>
<img src="https://upyunimg.imlql.cn/youthlql@1.0.0/design_patterns/behavior_type/05.01/0003.png"/>
<img src="https://npm.elemecdn.com/youthlql@1.0.0/design_patterns/behavior_type/05.01/0003.png"/>