Spring MVC 入门示例
文章来源：晓露 时间：2025-03-28
为了复杂，将spring-framework中dist停的全部jar包拷贝到名目的WEB-INF/lib目次停须要加添Apache commons logging日记，此处应用的是commons.logging
web.xml中加添以下设置：
<?xmlversion="1.0"encoding="UTF-8"?><web-appversion="2.5"xmlns="http://java.sun.com/xml/ns/javaee"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://java.sun.com/xml/ns/javaeehttp://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"><welcome-file-list><welcome-file>index.jsp</welcome-file></welcome-file-list><session-config><session-timeout>30</session-timeout></session-config><filter><filter-name>CharacterEncodingFilter</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>CharacterEncodingFilter</filter-name><url-pattern>/*</url-pattern></filter-mapping><servlet><servlet-name>dispatcherServlet</servlet-name><servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class><init-param><param-name>contextConfigLocation</param-name><param-value>/WEB-INF/spring/*.xml</param-value></init-param><load-on-startup>1</load-on-startup></servlet><servlet-mapping><servlet-name>dispatcherServlet</servlet-name><url-pattern>*.do</url-pattern></servlet-mapping></web-app>以上设置仍旧补充了由spring供给的编码过滤器去处理治码题目
编写MVC操纵建设文献mvc-config.xml，该文献正在WEB-INF的spring文献停，而web.xml中一经摆设添载该文献夹停的全部xml文献
<?xmlversion="1.0"encoding="UTF-8"?><beansxmlns="http://www.springframework.org/schema/beans"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xmlns:p="http://www.springframework.org/schema/p"xmlns:context="http://www.springframework.org/schema/context"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.xsd"><!--prefix战suffix：搜索瞅图页里的前缀战后缀（前缀[逻辑望图实]后缀）例如传入去的逻辑望图实为hello，则该该jsp望图页里应当寄存正在“WEB-INF/jsp/hello.jsp”--><beanclass="org.springframework.web.servlet.view.InternalResourceViewResolver"><propertyname="prefix"value="/jsp/"/><propertyname="suffix"value=".jsp"/></bean><beanname="/hello.do"class="test.HelloWorldController"/></beans>编写操纵的类，该类担当参数，建立该参数为望图数据
packagetest;importjavax.servlet.http.HttpServletRequest;importjavax.servlet.http.HttpServletResponse;importorg.springframework.web.servlet.ModelAndView;importorg.springframework.web.servlet.mvc.Controller;//http://localhost:8080/spring/hello.do?user=javapublicclassHelloWorldControllerimplementsController{publicModelAndViewhandleRequest(HttpServletRequestrequest,HttpServletResponseresponse){ModelAndViewmv=newModelAndView();//加添模子数据能够是自便的POJO对于象mv.addObject("user",request.getParameter("user"));//树立逻辑瞅图实，瞅图剖析器会凭据该实字剖析到详细的瞅图页里mv.setViewName("hello");returnmv;}}望图应用JSP，页里很复杂。正在WebRoot停新修文献夹jsp，新修jsp定名为hello.jsp。
<%@pagelanguage="java"pageEncoding="UTF-8"%><html><head><title>SpringMVC</title></head><body>您美，${user}!</body></html>拜候途径http://localhost:8080/spring/hello.do?user=java瞅效益。
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