spring mvc 学习01 搭建

时间：2023-03-08 18:21:23

spring mvc 学习01 搭建

/**

 *

 */

/**

 * @author Administrator

 *

 */

package com.study01.controller;

import org.springframework.stereotype.Controller;

import org.springframework.web.bind.annotation.RequestMapping;

@Controller

@RequestMapping("/mvc")

public class HelloController {

    @RequestMapping("/hello")

    public String hello(){

        return "hello";

    }

}

spring-mvc.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: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">                    

    <!-- scan the package and the sub package -->

    <context:component-scan base-package="com.study01"/>

    <!-- don't handle the static resource -->

    <mvc:default-servlet-handler />

    <!-- if you use annotation you must configure following setting -->

    <mvc:annotation-driven />

    <!-- configure the 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>

</beans>

hello.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>Insert title here</title>

</head>

<body>

<a>测试</a>

</body>

</html>

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>study01</display-name>

  <welcome-file-list>

    <welcome-file>index.html</welcome-file>

    <welcome-file>index.htm</welcome-file>

    <welcome-file>index.jsp</welcome-file>

    <welcome-file>default.html</welcome-file>

    <welcome-file>default.htm</welcome-file>

    <welcome-file>default.jsp</welcome-file>

  </welcome-file-list>

  <servlet>

    <servlet-name>springmvc</servlet-name>

    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

    <init-param>

      <param-name>contextConfigLocation</param-name>

      <!-- 该名称需要和项目中的springmvc的配置文件一致 -->

      <param-value>classpath:spring-mvc.xml</param-value>

    </init-param>

    <load-on-startup>1</load-on-startup>

    <async-supported>true</async-supported>

  </servlet>

  <servlet-mapping>

  <!-- 该名称需要和上面定义的servlet的名称一致 -->

    <servlet-name>springmvc</servlet-name>

    <url-pattern>/</url-pattern>

  </servlet-mapping>

</web-app>

注意以下两点：

1，相关的几个包文件需要引用全

2，引用的包文件需要放在web-inf下面的lib文件夹下面

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