新建一个maven项目(JavaWeb)
导入依赖
<!--导入依赖-->
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>5.2.9.RELEASE</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>2.2</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
</dependencies>
加入防止导出文件出错问题
加在pom.xml中
<build>
<resources>
<resource>
<directory>src/main/java</directory>
<includes>
<include>**/*.properties</include>
<include>**/*.xml</include>
</includes>
<filtering>true</filtering>
</resource>
<resource>
<directory>src/main/resources</directory>
<excludes>
<exclude>**/*.properties</exclude>
<exclude>**/*.xml</exclude>
</excludes>
<filtering>true</filtering>
</resource>
</resources>
</build>
在web.xml(4.0版本以上)中写入如下内容
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
version="4.0">
<!--配置DispatcherServlet:这个是SpringMVC的核心,请求分发器,前段控制器-->
<servlet>
<servlet-name>springmvc</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<!--DispatcherServlet要绑定Spring的配置文件-->
<init-param>
<param-name>contextConfigLocation</param-name>
<!--这里的springmvc-servlet.xml 会在后面说到不用担心-->
<param-value>classpath:springmvc-servlet.xml</param-value>
</init-param>
<!--启动级别:1 服务器已启动他就启动 数字越低驱动顺序越靠前-->
<load-on-startup>1</load-on-startup>
</servlet>
<!--
在SpringMVC中,/ /*
/:只会匹配所有请求,不会去匹配jsp页面
/* :匹配所有请求,包括jsp页面
-->
<servlet-mapping>
<servlet-name>springmvc</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>
在你的项目文件下 这个位置创建 (src\main\resources)springmvc-servlet.xml
内容如下
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
https://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/mvc
https://www.springframework.org/schema/mvc/spring-mvc.xsd">
<!--<mvc:annotation-driven/>-->
<!--处理器映射器 :BeanNameUrlHandlerMapping-->
<bean class="org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping"/>
<!--处理器适配器 :SimpleControllerHandlerAdapter-->
<bean class="org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter"/>
<!--视图解析器 :模板引擎 :InternalResourceViewResolver-->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver" id="InternalResourceViewResolver">
<!--前缀-->
<property name="prefix" value="/WEB-INF/jsp/"/>
<!--后缀-->
<property name="suffix" value=".jsp"/>
</bean>
<!--BeanNameUrlHandlerMapping: bean-->
<bean id="/hello" class="com.dong.controller.HelloController"/>
</beans>
最后一步创建一个类继承Controller
package com.dong.controller;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.Controller;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class HelloController implements Controller {
public ModelAndView handleRequest(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) throws Exception {
ModelAndView mv = new ModelAndView();
//业务代码
String result="HelloSpringMVC";
mv.addObject("msg",result);
//视图跳转
mv.setViewName("test");
return mv;
}
}
创建测试的jsp页面
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
</head>
<body>
${msg}
</body>
</html>
之后将项目添加到Tomcat中进行测试即可