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Spring MVC 学习笔记 一 创建项目

泡在网上的日子 / 文 发表于2012-04-06 13:02 次阅读

1:新建maven 工程
运行以下maven命令,建立一个jee5的web工程。

mvn archetype:generate -DinteractiveMode=false -DarchetypeGroupId=org.codehaus.mojo.archetypes -DarchetypeArtifactId=webapp-jee5 -Dversion=0.0.1-SNAPSHOT -DgroupId=net.zhepu -DartifactId=springmvc

2:修改pom.xml,增加spring mvc 3.0.5的依赖包及jetty plugin

 <properties>
  <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  <org.springframework.version>3.0.5.RELEASE</org.springframework.version>
 </properties>

  <dependency>
   <groupId>org.springframework</groupId>
   <artifactId>spring-webmvc</artifactId>
   <version>${org.springframework.version}</version>
  </dependency>

   <plugin>
    <groupId>org.mortbay.jetty</groupId>
    <artifactId>jetty-maven-plugin</artifactId>
    <version>7.4.0.v20110414</version>
    <configuration>
     <scanIntervalSeconds>10</scanIntervalSeconds>
     <webAppConfig>
      <contextPath>/springmvc</contextPath>
      <defaultsDescriptor>src/main/resources/webdefault.xml</defaultsDescriptor>
     </webAppConfig>
    </configuration>
   </plugin>


3:修改web.xml,增加如下配置


 <servlet>
  <servlet-name>mvcServlet</servlet-name>
  <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
  <init-param>
   <param-name>contextConfigLocation</param-name>
   <param-value>classpath*:/spring/web/servlet-context.xml</param-value>
  </init-param>
  <load-on-startup>1</load-on-startup>
 </servlet>

 <servlet-mapping>
  <servlet-name>mvcServlet</servlet-name>
  <url-pattern>*.action</url-pattern>
 </servlet-mapping>

Spring-mvc缺省是在WEB-INF目录下找名称未${servlet-name}-context.xml的配置文件,这里通过contextconfiglocation的配置,将spring-mvc所需的配置文件指向到src\resources\spring\web目录下。

4:在src\resources\spring\web下,新建 servlet-context.xml,内容如下

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
 xmlns:mvc="http://www.springframework.org/schema/mvc" 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/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-3.0.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd
">
 <context:component-scan base-package="net.zhepu.web" />
 <bean id="viewResolver"
  class="org.springframework.web.servlet.view.UrlBasedViewResolver">
  <property name="viewClass"
   value="org.springframework.web.servlet.view.JstlView" />
  <property name="prefix" value="/WEB-INF/jsp/" />
  <property name="suffix" value=".jsp" />
 </bean>

</beans>

5:新增controller类

package net.zhepu.web;

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;

@Controller
@RequestMapping("/helloworld")
public class Helloworld {

 @RequestMapping(method=RequestMethod.GET)
 public ModelAndView hello() {
  ModelAndView mv = new ModelAndView();
  mv.setViewName("helloworld");
  return mv;
 }
}

6:在/WEB-INF/jsp目录下,新建helloworld.jsp

<%@page contentType="text/html" 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>JSP Page</title>
    </head>
    <body>
        <h1>Hello World!</h1>
    </body>
</html>

7:运行mvn jetty:run 启动工程后,访问http://localhost:8080/springmvc/helloworld.action ,可以看到Hello World!,

springmvc01.rar (8.5 KB)

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