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spring-mvc 框架的简单搭建

1、下载 spring 包,http://www.springsource.org/download

     我下的是spring-framework-4.0.6.RELEASE

2、新建 web项目,在/WebRoot/lib 导入.jar包(/spring-framework-4.0.6.RELEASE/libs目录下)

spring框架配置

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"     xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"    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">        <!-- 应用上下文配置文件 -->    <context-param>        <param-name>contextConfigLocation</param-name>        <param-value>/WEB-INF/spring-servlet.xml</param-value>    </context-param>        <listener>        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>    </listener>        <!-- 配置servlet 核心servlet -->    <servlet>        <servlet-name>spring</servlet-name>        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>        <load-on-startup>1</load-on-startup>    </servlet>    <!-- url-pattern配置为/,不带文件后缀,会造成其它静态文件(js、css等)不能访问。         如配置为*.do,则不影响静态文件的访问 -->    <servlet-mapping>        <servlet-name>spring</servlet-name>        <url-pattern>/</url-pattern>    </servlet-mapping>    </web-app>

 

2、应用上下文配置文件,spring-servlet.xml(web中定义存放路径为:/WEB-INF/spring-servlet.xml)

<beans xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans      http://www.springframework.org/schema/beans/spring-beans-3.0.xsd      http://www.springframework.org/schema/context      http://www.springframework.org/schema/context/spring-context.xsd      http://www.springframework.org/schema/mvc      http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">            <!-- 启动注解驱动的Spring MVC功能,注册请求url和注解 POJO 类方法的映射 -->      <mvc:annotation-driven/>            <!-- 启动包扫描功能,以便注册带有@Controller、@Service、@repository、@Component等          注解的类成为spring的bean -->      <context:component-scan base-package="sendi.znwg.rest"></context:component-scan>            <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"                                                                    p:prefix="/WEB-INF/view" p:suffix=".jsp"></bean> </beans>

3、Demo例子

根据spring-servlet配置的包路径(sendi.znwg.rest),新建RestController.java

@Controllerpublic class RestController {    public RestController(){            }        @RequestMapping(value = "/login/{user}",method=RequestMethod.GET)    public ModelAndView rest(HttpServletRequest request,            HttpServletResponse response,@PathVariable("user")String user,ModelMap modelMap){        modelMap.put("loginUser", user);        return new ModelAndView("/login/hello",modelMap);    }        @RequestMapping(value="/welcome",method = RequestMethod.GET)    public String registPost(){        return "/welcome";    }    }

可以自定义jsp(视图路径 /WEB-INF/view 下)

hello.jsp

<%@page import="java.util.Date"%><%@ 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>hello 页面</title></head><body><h2>    你好:<%=request.getAttribute("loginUser") %>,现在的时间是<%=new Date() %></h2></body></html>

tomcat部署后访问: 

http://localhost:8080/spring-mvcDay2/login/gzsendi

 

spring-mvc 框架的简单搭建