19年8月 字母哥 第六章 生命周期内的拦截过滤与监听 用热点公司网不行

青旅半醒 2024-04-18 11:48 105阅读 0赞

  • 第六章 生命周期内的拦截过滤与监听

    • 6.1.servlet与filter与listener的实现

    • servlet的filter(过滤器)listener(监听器)

    • 6.2.spring拦截器及请求链路说明

    • 6.3.自定义事件的发布与监听

    • 6.4.应用启动的监听

  • 第六章 生命周期内的拦截过滤与监听

    • 6.1.servlet与filter与listener的实现再springboot里面是怎么实现的

    • servlet的filter(过滤器)listener(监听器)

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刚刚时监听器 这里是过滤器（可以修改请求响应头，） 区别时什么

application：整个应用

session:每次的会话

request:用户每次的请求 上面讲的是监听用户的每次请求

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    • 6.2.spring拦截器及请求链路说明

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重点是这几个日志的执行顺序

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这些日志能看懂说明大家明白了

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    • 6.3.自定义事件的发布与监听

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上面是第一种实现监听的方式实际上有很多的监听方法的

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第三种监听器注册方式

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第四种监听器注册方式

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代码不一定要记住，但是几个对象要记住 1.事件发布方（controller，application.pulish方法） 2.自定义事件（event） 3.事件监听者

还有要理解 异步（把发邮件这个解耦出来）和同步

    • 6.4.应用启动的监听

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