2023年JavaWeb学习笔记.docx
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Java Web学习笔记
目录
一、概述 ..........................................................................................................................................1
1、java web项目目录结构.....................................................................................................1
1.1、src目录 ..................................................................................................................1
1.2、WebRoot目录........................................................................................................1
二、Servlet.......................................................................................................................................1
1、访问Servlet的方式 ............................................................................................................1
2、Servlet生命周期................................................................................................................2
3、Servlet处理表单................................................................................................................2
4、Servlet跳转........................................................................................................................3
4.1、转发与包含 ...........................................................................................................3
4.2、重定向 ...................................................................................................................3
5、状态管理 ...........................................................................................................................3
6、作用域对象 .......................................................................................................................4
三、JSP.............................................................................................................................................4
1、基本概念 ...........................................................................................................................4
2、JSP元素..............................................................................................................................4
2.1、脚本元素 ...............................................................................................................4
2.2、指令元素 ...............................................................................................................5
2.3、动作元素 ...............................................................................................................5
3、内置对象 ...........................................................................................................................5
4、JSP注释..............................................................................................................................6
5、Java Web中的路径问题....................................................................................................6
四、过滤器 ......................................................................................................................................7
五、监听器 ......................................................................................................................................7
六、JavaBean组件 ...........................................................................................................................8
七、MVC设计模式 ..........................................................................................................................9
八、EL表达式...................................................................................................................................9
8.1、概述 ................................................................................................................................9
8.2、EL内置对象 ....................................................................................................................9
8.3、EL运算符 ......................................................................................................................10
8.4、在页面中禁止使用EL表达式.......................................................................................10
九、JSP标签 ...................................................................................................................................10
9.1、自定义标签 ..................................................................................................................10
9.2、JSTL标签库 ...................................................................................................................12
9.2.1、JSP标准标签库.................................................................................................12
9.2.2、JSTL核心标签库 ...............................................................................................12
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