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" version="3.0"> <display-name>springmvctest</display-name> <!-- 统一编码 --> <filter> <filter-name>charsetEncoding</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> <init-param> <param-name>forceEncoding</param-name> <param-value>true</param-value> </init-param> </filter> <filter-mapping> <filter-name>charsetEncoding</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <!-- 前端控制器 --> <servlet> <servlet-name>springmvc</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <!-- 配置文件在src下时 --> <!-- <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:springmvc-servlet.xml</param-value> </init-param> --> <!-- 加载/WEB-INF/[servlet-name]-servlet.xml --> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>springmvc</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping> </web-app> 开启注解功能自动扫描Controller配置视图其它各种配置（与本文无关）springmvc-servlet.xml
<?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:p="http://www.springframework.org/schema/p" xmlns:context="http://www.springframework.org/schema/context" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:task="http://www.springframework.org/schema/task" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.2.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.2.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.2.xsd http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task-4.2.xsd"> <!-- 开启注解 --> <!-- @RequestMapping, @ExceptionHandler,数据绑定 ,@NumberFormat , @DateTimeFormat ,@Controller ,@Valid ,@RequestBody ,@ResponseBody等 --> <mvc:annotation-driven /> <!-- 扫描路径 --> <context:component-scan base-package="com.wsk.test" > <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/> </context:component-scan> <!-- 静态资源配置 --> <mvc:resources location="/assets/" mapping="/assets/**" /> <!-- 视图层配置 --> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="prefix" value="/WEB-INF/pages/"/> <property name="suffix" value=".jsp"/> </bean> <!-- 配置根视图 --> <mvc:view-controller path="/" view-name="index"/> <!-- 文件上传配置 --> <!-- <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver"> 默认编码 <property name="defaultEncoding" value="UTF-8"/> 上传文件大小限制为31M，31*1024*1024 <property name="maxUploadSize" value="32505856"/> 内存中的最大值 <property name="maxInMemorySize" value="4096"/> </bean> --> </beans>web.xml
package com.wsk.test; import javax.servlet.http.HttpServletRequest; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.ResponseBody; @Controller @RequestMapping("/hello") public class HelloController { @RequestMapping(value="/view",method=RequestMethod.GET) public String hello(Model model){ model.addAttribute("msg", "hello world"); return "index"; } @RequestMapping(value="/get",method=RequestMethod.GET) public @ResponseBody String test(HttpServletRequest request){ return "hello world"; } }index.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>hello</title> </head> <body> <h1>test</h1> ${msg } </body> </html>