SpringMVC快速入门

1、导入依赖

<dependencies>
    <!--spring的核心包-->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-context</artifactId>
      <version>5.0.2.RELEASE</version>
    </dependency>
    <!--springMVC的包-->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
      <version>5.0.2.RELEASE</version>
    </dependency>
    <!--servlet-api的包-->
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>servlet-api</artifactId>
      <version>2.5</version>
      <!--maven项目执行分为三个阶段  编译  测试  运行-->
      <scope>provided</scope>
    </dependency>
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>jsp-api</artifactId>
      <version>2.0</version>
      <scope>provided</scope>
    </dependency>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.11</version>
      <scope>test</scope>
    </dependency>
  </dependencies>

2、spring-mvc.xml配置

<!--开启注解  扫描包-->
<context:component-scan base-package="cn.niujian"></context:component-scan>

3、web.xml配置

<web-app>
  <display-name>Archetype Created Web Application</display-name>
  <!--配置servlet-->
  <servlet>
    <servlet-name>DispatcherServlet</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <init-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>classpath:spring-mvc.xml</param-value>
    </init-param>
  </servlet>
  <servlet-mapping>
    <servlet-name>DispatcherServlet</servlet-name>
    <url-pattern>/</url-pattern>
  </servlet-mapping>
</web-app>

4、自定义一个核心控制类

@Controller
@RequestMapping("/test")
public class TestController {
    @RequestMapping("/test")
    public String test(){
        System.out.println("我的第一个springMVC  测试成功");
        return "/WEB-INF/show.jsp";
    }
}

5、页面配置

 To change this template use File | Settings | File Templates.
--%>
<%@ page isELIgnored="false" contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
    <a href="${pageContext.request.contextPath}/test/test">请求</a>
    <a href="${pageContext.request.contextPath}/test/test">请求1</a>
</body>
</html>
原文地址:https://www.cnblogs.com/-jian/p/11228129.html