Spring MVC入門實例
阿新 • • 發佈：2017-05-14
not 入門實例 mod 註解 ner art adding pac eclipse
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1.web.xml配置
<?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>myweb</display-name><welcome-file-list><welcome-file>index.html</welcome-file></welcome-file-list><!-- 載入全部的配置文件 --><context-param><param-name>contextConfigLocation</param-name><param-value>classpath*:config/spring-*.xml</param-value></context-param><!-- 配置Spring監聽 --><listener><listener-class>org.springframework.web.context.ContextLoaderListener</listener-class></listener><!-- 配置字符集 --><filter><filter-name>encodingFilter</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>encodingFilter</filter-name><url-pattern>/</url-pattern></filter-mapping><!-- 配置SpringMVC --><servlet><description>myweb</description><display-name>myweb</display-name><servlet-name>springMVC</servlet-name><servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class><init-param><param-name>contextConfigLocation</param-name><param-value>classpath*:config/spring-mvc.xml</param-value></init-param><load-on-startup>1</load-on-startup></servlet><servlet-mapping><servlet-name>springMVC</servlet-name><url-pattern>/</url-pattern></servlet-mapping></web-app>
2.spring-mvc配置
<?
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" xmlns:aop="http://www.springframework.org/schema/aop"xmlns:tx="http://www.springframework.org/schema/tx"xsi:schemaLocation="http://www.springframework.org/schema/beanshttp://www.springframework.org/schema/beans/spring-beans.xsdhttp://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context-3.0.xsdhttp://www.springframework.org/schema/aophttp://www.springframework.org/schema/aop/spring-aop-3.0.xsdhttp://www.springframework.org/schema/txhttp://www.springframework.org/schema/tx/spring-tx-3.0.xsdhttp://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd"><!-- 開啟Spring MVC註解 --><mvc:annotation-driven /><!-- 處理靜態資源 --><mvc:resources location="/resources" mapping="/resources/**" /><!-- 打開Spring的Annotation支持 --><context:annotation-config /><!-- 註解掃描包 --><context:component-scan base-package="com.myweb.controller" /><!-- ViewResolver --><!-- 默認的視圖解析器 在上邊的解析錯誤時使用 (默認使用html)- --><bean id="defaultViewResolver"class="org.springframework.web.servlet.view.InternalResourceViewResolver"><property name="prefix" value="/WEB-INF/jsp/" /><property name="suffix" value=".jsp" /></bean></beans>
3.HelloController類
package com.myweb.controller;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RequestMethod;import org.springframework.web.servlet.ModelAndView;@Controllerpublic class HelloController {@RequestMapping(value = "/hello", method = RequestMethod.GET)public ModelAndView printWelcome() {ModelAndView mv = new ModelAndView();mv.setViewName("welcome");mv.addObject("message", "you are welcome");return mv;}}
4.welcome.jsp
<%@ page language="java" contentType="text/html; UTF-8"pageEncoding="ISO-8859-1"%><!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; UTF-8"><title>Insert title here</title></head><body>${message}</body></html>
5.eclipse的文件夾結構圖
6.訪問http://localhost:8080/myweb/hello。輸出：
you are welcomeSpring MVC入門實例