基于springMVC简单开发

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1 导包

这里写图片描述

2 编写web.xml

<?xml version="1.0" encoding="UTF-8"?><web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"    xmlns="http://xmlns.jcp.org/xml/ns/javaee"    xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee     http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"    id="WebApp_ID" version="3.1">    <!-- 配置Dispatcher -->    <servlet>        <servlet-name>springDispatcherServlet</servlet-name>        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>        <!-- 配置SpringMVC下的配置文件的位置和名称 -->        <init-param>            <param-name>contextConfigLocation</param-name>            <param-value>classpath:springmvc.xml</param-value>        </init-param>    </servlet>    <servlet-mapping>        <servlet-name>springDispatcherServlet</servlet-name>        <url-pattern>/</url-pattern>    </servlet-mapping></web-app>

3 编写springmvc.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-4.0.xsd        http://www.springframework.org/schema/mvc         http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">    <!-- 配置自动扫描的包 -->    <context:component-scan base-package="com.controller"/>    <!-- 配置视图解析器 -->            <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">        <property name="prefix" value="/WEB-INF/jsp/"></property>        <property name="suffix" value=".jsp"></property>    </bean></beans>

4 编写controller

package com.controller;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.RequestMapping;@RequestMapping("userController")@Controllerpublic class UserController {    @RequestMapping("getByUserId")    public String getByUserId() {        System.out.println("getByUserId is executed");        return "success";    }}

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