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jsp 和 servlet 有什么区别?
2022-07-02 13:40:00 【全栈程序员站长】
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jsp 和 servlet 有什么区别?
Servlet
- 一种服务器端的Java应用程序
- 由 Web 容器加载和管理
- 用于生成动态 Web 内容
- 负责处理客户端请求
Jsp
- 是 Servlet 的扩展,本质上还是 Servlet
- 每个 Jsp 页面就是一个 Servlet 实例
- Jsp 页面会被 Web 容器编译成 Servlet,Servlet 再负责响应用户请求
区别
- Servlet 适合动态输出 Web 数据和业务逻辑处理,对于 html 页面内容的修改非常不方便;Jsp 是在 Html 代码中嵌入 Java 代码,适合页面的显示
- 内置对象不同,获取内置对象的方式不同
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