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exam_3-maven-webapp's Introduction

springMVC

基于MyEclipse的maven+springMVC项目创建及测试 一.准备工作:安装MyEclipse10(已经集成了maven工具) 二.项目建立步骤 1.File->New->Other出现如下对话框

选择Maven Project项目,Next

默认不变,Next

选择如上图,Next

Group Id和Artifact Id自定义,Package可写可不写,项目完成可再加。Finish完成。 项目目录如图:

2.完善项目 首先,完善目录,增加重要的source Folder,这个不是简单的Floder,这些文件夹是会参与编译的。增加src/main/java,src/test/resources,src/test/java目录。让目录变成标准的maven结构。右击项目->Bulid Path->New Source Folder,如下图:

Finish完成 3.配置Maven工程 右击项目->Properties->Resource,让项目的字符集为UTF-8,如图

3.将工程变为Web工程 选择Dynamic Web Module,版本选择3.0,如图:

要配置web项目的发布目录,就是Deployment Assembly,如图:

test目录不要发布,所以删掉以上两项。并且增加src/main/webapp目录,和Maven Dependenices,完成之后如下图:

4.赋予工程的springmvc特性(添加配置文件) 项目的配置文件目录如下图:

(1).配置web.xml,使其具有springmvc特性,主要配置两处,一个是 ContextLoaderListener,一个是DispatcherServlet。代码如下: web.xml

org.springframework.web.context.ContextLoaderListener examorg.springframework.web.servlet.DispatcherServlet exam / index.jsp (2).配置ContextLoaderListener表示,该工程要以spring的方式启动。启动 时会默认在/WEB-INF目录下查找applicationContext.xml作为spring容 器的配置文件,这里可以初始化一些bean,如DataSource。我们这里什么 也不做。代码如下: applicationContext.xml

(3).配置DispatcherServlet表示,该工程将采用springmvc的方式。启动时也 会默认在/WEB-INF目录下查找XXX-servlet.xml作为配置文件,XXX就是 DispatcherServlet的名字,该文件中将配置两项重要的mvc特性: HandlerMapping,负责为DispatcherServlet这个前端控制器的请求查找 Controller; ViewResolver,负责为DispatcherServlet查找ModelAndView的视图解析器。 exam-servlet.xml

<mvc:annotation-driven />

<context:component-scan base-package="cc.monggo.web.controller" />

/WEB-INF/jsp/ .jsp 5.让maven自动配置jar包(可以根据需要手动添加jar包) pow.xml 4.0.0 exam exam_3 war 0.0.1-SNAPSHOT exam_3 Maven Webapp http://maven.apache.org junit junit 3.8.1 test org.springframework spring-web 3.0.5.RELEASE org.springframework spring-webmvc 3.0.5.RELEASE org.apache.geronimo.specs geronimo-servlet_2.5_spec 1.2 exam_3

6.测试 文件目录如下图:

(1).先写Controller。编写两个类,LoginControler.java,LoginForm.java。 代码如下

LoginController.java package cc.monggo.web.controller;

import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.servlet.ModelAndView;

import cc.monggo.domain.LoginForm;

@Controller public class LoginController { @RequestMapping(value="login") public ModelAndView login(HttpServletRequest request,HttpServletResponse response,LoginForm command ){ String username = command.getUsername(); ModelAndView mv = new ModelAndView("/index/index","command","LOGIN SUCCESS, " + username); return mv; } } LoginForm.java package cc.monggo.domain; public class LoginForm { private String username; private String password; public String getUsername() { return username; } public void setUsername(String username) { this.username = username; } public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } }

(2).再增加一些jsp,首页的index.jsp,主要是做跳转,代码如下:

<% request.getRequestDispatcher("/WEB-INF/jsp/login/login.jsp").forward(request,response); %>

(3).还有两个jsp,做些简单的功能,一个表单login.jsp,一个表单提交的返回 index.jsp,代码如下:

login.jsp <%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%>

<title>Insert title here</title>

index.jsp <%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%>

<title>Insert title here</title> ${command}

(4).运行:首先右击项目->Run As->maven install 其次点击工作空间下面的Servers,启动Tomcat服务器,如下图:

最后右击项目->Run As->MyEclipse Server Application测试,结果如下图:

输入Fangjinsong点击SUBMIT,跳转如下界面:

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