目录
JSP 入门 ................................................................................................ 3
一、什么是 JSP .................................................................................... 3
二、为什么需要 JSP ................................................................................ 3
三、简单使用一下 JSP .............................................................................. 3
四、JSP 的工作原理 ................................................................................ 4
五、JSP 生命周期 .................................................................................. 6
六、JSP 的语法 .................................................................................... 6
6.1 JSP 脚本 ................................................................................ 6
6.2 JSP 注释 ................................................................................ 7
6.3JSP 指令 ................................................................................. 7
6.4page 指令 ................................................................................ 7
6.5include 指令 ............................................................................ 11
6.6 taglib 指令 ............................................................................ 13
七、 JSP 行为 .................................................................................... 13
include 行为 ............................................................................... 13
7.1 param 行为 ............................................................................. 17
7.2 forward 行为 ........................................................................... 17
7.3 directive 行为 .......................................................................... 18
7.4 javaBean 行为........................................................................... 19
二、内置对象、属性范围 ................................................................................. 19
一、什么是 JSP 内置对象 ........................................................................... 19
二、out 对象 ..................................................................................... 20
三、request ...................................................................................... 21
四、response ..................................................................................... 22
五、config ....................................................................................... 22
六、session ...................................................................................... 23
七、application .................................................................................. 23
八、page ......................................................................................... 24
九、exception .................................................................................... 24
十、pageContext .................................................................................. 25
10.1pageContext 获取 8 个内置对象 ............................................................ 25
10.2pageContext 作为域对象 .................................................................. 26
10.3 引入和跳转 ............................................................................ 31
十一、4 种属性范围 ............................................................................... 32
十二、应用场景 ................................................................................... 32
三、JavaBean ........................................................................................... 33
一、什么是 javaBean .............................................................................. 33
二、为什么需要使用 Javabean ....................................................................... 34
三、JSP 行为--JavaBean ........................................................................... 34
3.1jsp:useBean ............................................................................. 34
3.2 jsp:setProperty ........................................................................ 37
3.4jsp:getProperty ......................................................................... 40
四、EL 表达式 .......................................................................................... 41
一、什么是 EL 表达式? ............................................................................. 41
二、为什么要使用 EL 表达式？ ...................................................................... 41
三、EL 表达式的作用 .............................................................................. 43
3.1 获取各类数据 ................................................................................. 43
四、EL 运算符 .................................................................................... 48
五、EL 表达式 11 个内置对象 ........................................................................ 49
七、EL 表达式回显数据 ............................................................................ 53
八、EL 自定义函数 ................................................................................ 53
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