web.xml
<?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0"> <display-name>SpringMVC01</display-name> <!-- 处理中文乱码 --> <filter> <filter-name>encodingFilter</filter-name> <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class> <init-param> <param-name>encoding</param-name> <param-value>UTF-8</param-value> </init-param> </filter> <filter-mapping> <filter-name>encodingFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <!-- SpringMVC控制器 --> <servlet> <servlet-name>dispatcherServlet</servlet-name> <!-- 主要就是DispatcherServlet这个servlet起到分发的作用,对请求进行控制分发 --> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param> <!-- 每个springmvc项目都要一个springmvc项目配置位置,下面配置springmvc配置文件的路径 --> <param-name>contextConfigLocation</param-name> <param-value>/WEB-INF/springMVC-servlet.xml</param-value> </init-param> <!-- 当容器启动时立即启动 --> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>dispatcherServlet</servlet-name> <!-- 下面配置springmvc的过滤分发请求类型,可以是/ 或者*.action等 --> <url-pattern>/</url-pattern> </servlet-mapping> </web-app>springmvc-servlet <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context" xmlns:mvc="http://www.springframework.org/schema/mvc" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.1.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.1.xsd"> <!-- 定义要扫描 controller的包--> <context:component-scan base-package="wormday.springmvc.helloworld" /> <mvc:default-servlet-handler /> <!-- 启动注解驱动 SpringMVC 功能 --> <mvc:annotation-driven /> <!-- 配置视图解析器 如何把handler 方法返回值解析为实际的物理视图 --> <!--指定视图解析器--> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <!-- 视图的路径 --> <property name="prefix" value="/WEB-INF/"/> <!-- 视图名称后缀 --> <property name="suffix" value=".jsp"/> </bean> </beans>HIcontroller类 package wormday.springmvc.helloworld; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; // 这里导入了一个Model类 import org.springframework.web.bind.annotation.*; @Controller @RequestMapping("/hi") public class HiController { @RequestMapping("/say") public String say(Model model) { // 参数中传入Model model.addAttribute("name","wormday"); // 指定Model的值 model.addAttribute("url","http://www.cnblogs.com/wormday/p/8435617.html"); // 指定Model的值 return "say"; } @RequestMapping("/loginForm") public String loginForm(){ return "login"; } @RequestMapping("/hi") public String loginFor(){ return "hi"; } @RequestMapping(value = "/login",method = RequestMethod.POST) public String loginXS(String username, String password){ System.out.println("执行登录"); System.out.println("username"+username); System.out.println("password"+password); return "redirect:hi"; } @RequestMapping("/testcase") public String testCookie(@CookieValue("JSESSIONID") String sessionId){ System.out.println(sessionId); return "success"; } @RequestMapping("/testHeader") public String testHeader(@RequestHeader(value = "User-Agent") String header){ System.out.println(header); return "success"; } }usercontroller类 package wormday.springmvc.helloworld; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.RequestParam; @Controller @RequestMapping("/hi") //@RequestMapping("/list") public class UserController { /* @RequestMapping(value = "/list",method = RequestMethod.GET) public String login(String username,String password){ System.out.println("方法1:参数直接获取"); System.out.println("username:"+username); System.out.println("password:"+password); return "list"; }*/ @RequestMapping(value = "/list",method = RequestMethod.GET) public String listForm( @RequestParam(value = "currentpage",required = false,defaultValue = "1")Integer currentpage, @RequestParam(value = "pagesize",required = false,defaultValue = "10")Integer pagesize){ System.out.println("currentpage"+currentpage); System.out.println("pagesize"+pagesize); return "list"; } }say.jsp <%@ page contentType="text/html;charset=UTF-8" language="java" %> <html> <head> <title>Title</title> </head> <body> hello world,${name} <br/>${url}</body> </html> 复制代码login.jsp <%-- Created by IntelliJ IDEA. User: geyao Date: 2019/11/6 Time: 19:57 To change this template use File | Settings | File Templates. --%> <%@ page contentType="text/html;charset=UTF-8" language="java" %> <html> <head> <title>Title</title> </head> <body> <form action="hi" method="post"> <label for="username">用户名<input type="text" id="username" name="username"></label> <label for="password">密码<input type="text" id="password" name="password"></label> <button>登录</button> </form> </body> </html>hi.jsp <%-- Created by IntelliJ IDEA. User: geyao Date: 2019/11/6 Time: 20:17 To change this template use File | Settings | File Templates. --%> <%@ page contentType="text/html;charset=UTF-8" language="java" %> <html> <head> <title>Title</title> </head> <body> 我是歌谣,登录成功 </body> </html>list.jsp <%-- Created by IntelliJ IDEA. User: geyao Date: 2019/11/6 Time: 19:57 To change this template use File | Settings | File Templates. --%> <%@ page contentType="text/html;charset=UTF-8" language="java" %> <html> <head> <title>Title</title> </head> <body> <h1>我是表单</h1> </body> </html>success.jsp <%@ page contentType="text/html;charset=UTF-8" language="java" %> <html> <head> <title>Title</title> </head> <body> 成功</body> </html>