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SpringMVCæ¡æ¶åºè¯¥è¯´åºç¨æ¯è¾å¤ï¼ä¹æ¯è¾æµè¡çãå®å°ç®å为æ¢ä¾ç¶ä¿æç强大çæ´»åå广æ³çç¨æ·ç¾¤.ä¸é¢å°±
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1.1æ°å»ºä¸ä¸ªå¨æwebå·¥ç¨
å å ¥jarå ï¼
1.2å¨web.xmlä¸é ç½®DispatcherServlet
<?xmlversion="1.0"encoding="UTF-8"?> <web-appxmlns: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_2_5.xsd" id="WebApp_ID"version="2.5">
<!-- é ç½®DispatcherServlet --> <servlet> <servlet-name>dispatcherServlet</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <!-- é ç½® DispatcherServletçä¸ä¸ªåå§ååæ°: é ç½® SpringMVC é ç½®æ件çä½ç½®åå称 --> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:springmvc.xml</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>dispatcherServlet</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping> </web-app> |
1.3å å ¥SpringMVCçé ç½®æ件
å¨srcä¸é¢æ°å»ºxmlæ件ï¼åå为springmvc.xml
<?xmlversion="1.0"encoding="UTF-8"?> <beansxmlns="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">
</beans> |
1.4ç¼å请æ±çå¤çå¨ï¼å¹¶æ è¯ä¸ºå¤çå¨
package com.wangju.springmvc.handlers; import org.springframework.stereotype.Controller; @Controller public class HelloWorld { /** * 1.使ç¨@RequestMapping注解æ¥æ å°è¯·æ±çURL * 2.è¿åå¼ä¼éè¿è§å¾è§£æå¨è§£æ为å®é çç©çè§å¾ï¼å¯¹äºInternalResourceViewè§å¾è§£æå¨ï¼ä¼åå¦ä¸åæï¼ * éè¿ç»åæprefix+returnVal+suffixæ¹å¼ï¼å¾å°å®é çç©çè§å¾ï¼ç¶åå转åæä½ * /WEB-INF/views/success.jsp * * @return */ @RequestMapping("/helloworld") public String hello(){ System.out.println("hello world"); return"success"; } } |
å¨springmvc.xmlé ç½®æ«æå¨
<!-- é ç½®æå®æ«æçå --> <context:component-scanbase-package="com.wangju.springmvc"></context:component-scan> |
1.5ç¼åè§å¾
<%@ page language="java"contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPEhtml PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <metahttp-equiv="Content-Type"content="text/html; charset=ISO-8859-1"> <title>Insert title here</title> </head> <body> <!-- è¶ é¾æ¥åéä¸ä¸ªè¯·æ±url --> <ahref="helloworld">Hello World</a> </body> </html> |
1.6å ³äºé ç½®springmvc
<!-- å®é ä¸ä¹å¯ä»¥ä¸éè¿ contextConfigLocationæ¥é ç½® SpringMVCçé ç½®æ件, è使ç¨é»è®¤ç. é»è®¤çé ç½®æ件为: /WEB-INF/<servlet-name>-servlet.xml -->
DispatcherServletå¨åå§åè¯æ¶éè¦ä¸äºåæ°ï¼é»è®¤ä»/WEB-INF/<servlet-name>-servlet.xmlä¸å è½½é ç½®ï¼æ以åå¯ä»¥å°springmvc.xmlä¸çå 容æ¾å°web-infä¸ã
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