moven的学习

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moven学习

maven Servlet Scheme Web 单元测试

目录结构优先。。。。。。

|--pom.xml

|--src

 |--main

 |--java

 |--com

 |--mydomain

 |--TestServlet.java

 |--resources

 |--webapp

 |--index.jsp

 |--WEB-INF

 |--web.xml

 在这个测试项目里面，文件非常少，把单元测试文件夹暂时省了，有需要可以根据我其它几个EJB实例里讲到的，添加进去，简单点有利于初学的人去大概了解一下maven，高手就别在这转了，不适合你，呵呵。

 其实我没写什么代码，就一个文件名为TestServlet.java的Servlet，其它的都是文件夹，index.jsp也写上Hello World几个字，有需要可以自己加！再加上在web.xml里配置了几行，就这样，其实就是方便大家了解Maven，至于稍深一点的，往后会写，再稍深一点的，我不会，谢谢合作！

 好了，下面就把TestServlet.java文件代码贴出来看看

package com.mydomain;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

//extend HttpServlet这个类，就是一个Servlet了
public class TestServlet extends HttpServlet
{

 @Override
 protected void doGet(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) throws ServletException, IOException
 {

 //通常学习的话doGet跟doPost就用下面这种方式将它们合并起来玩就行了
 doPost(httpServletRequest, httpServletResponse);
 }

 @Override
 protected void doPost(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) throws ServletException, IOException
 {

 //下面这些代码输出一些非常基本的信息，大家可以忽略它
 String contextPath = httpServletRequest.getContextPath();
 String authType = httpServletRequest.getAuthType();
 String charactorEncoding = httpServletRequest.getCharacterEncoding();
 String contentType = httpServletRequest.getContentType();
 String method = httpServletRequest.getMethod();
 String pathInfo = httpServletRequest.getPathInfo();
 String pathTranslated = httpServletRequest.getPathTranslated();
 String protocol = httpServletRequest.getProtocol();
 String queryString = httpServletRequest.getQueryString();
 String remoteAddress = httpServletRequest.getRemoteAddr();
 String remoteHost = httpServletRequest.getRemoteHost();
 String remoteUser = httpServletRequest.getRemoteUser();
 String requestURI = httpServletRequest.getRequestURI();
 String requestedSessionId = httpServletRequest.getRequestedSessionId();
 String scheme = httpServletRequest.getScheme();
 String serverName = httpServletRequest.getServerName();
 String servletPath = httpServletRequest.getServletPath();


 //将信息输出到页面上
 PrintWriter printWriter = httpServletResponse.getWriter();
 printWriter.println("contextPath = " + contextPath);
 printWriter.print(" ");
 printWriter.println("authType = " + authType);
 printWriter.print(" ");
 printWriter.println("charactorEncoding = " + charactorEncoding);
 printWriter.print(" ");
 printWriter.println("contentType = " + contentType);
 printWriter.print(" ");
 printWriter.println("method = " + method);
 printWriter.print(" ");
 printWriter.println("pathInfo = " + pathInfo);
 printWriter.print(" ");
 printWriter.println("pathTranslated = " + pathTranslated);
 printWriter.print(" ");
 printWriter.println("protocol = " + protocol);
 printWriter.print(" ");
 printWriter.println("queryString = " + queryString);
 printWriter.print(" ");
 printWriter.println("remoteAddress = " + remoteAddress);
 printWriter.print(" ");
 printWriter.println("remoteHost = " + remoteHost);
 printWriter.print(" ");
 printWriter.println("remoteUser = "+ remoteUser);
 printWriter.print(" ");
 printWriter.println("requestURI = " + requestURI);
 printWriter.print(" ");
 printWriter.println("requestedSessionId = " + requestedSessionId);
 printWriter.print(" ");
 printWriter.println("scheme = " + scheme);
 printWriter.print(" ");
 printWriter.println("serverName = " + serverName);
 printWriter.print(" ");
 printWriter.println("servletPath = " + servletPath);
 }

}

下面则是web.xml文件，非常简单的

<!DOCTYPE web-app PUBLIC
"-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/dtd/web-app_2_3.dtd" >

<web-app>
<display-name>Archetype Created Web Application</display-name>


<servlet>
 <servlet-name>Test Servlet</servlet-name>
 <servlet-class>com.mydomain.TestServlet</servlet-class>
</servlet>
<servlet-mapping>
 <servlet-name>Test Servlet</servlet-name>
 <url-pattern>/TestServlet</url-pattern>
</servlet-mapping>
</web-app>

当然，Maven项目少不了pom文件，也贴出来吧，给大家剪剪

<?xml version="1.0" encoding="UTF-8"?>


<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">

 
 <modelVersion>4.0.0</modelVersion>

 
 <groupId>com.mydomain</groupId>

 
 <artifactId>wartest</artifactId>

 
 <packaging>war</packaging>

 
 <version>1.0-SNAPSHOT</version>
 <name>Maven Webapp Test</name>
 <url>http://maven.apache.org</url>
 <dependencies>

 
 <dependency>
 <groupId>junit</groupId>
 <artifactId>junit</artifactId>
 <version>3.8.1</version>
 <scope>test</scope>
 </dependency>

 
 <dependency>
 <groupId>javax.servlet</groupId>
 <artifactId>servlet-api</artifactId>
 <version>2.3</version>
 </dependency>
 </dependencies>
 <build>

 
 <finalName>wartest</finalName>

 
 <plugins>

 
 <plugin>

 
 <artifactId>maven-compiler-plugin</artifactId>

 
 <version>2.0.2</version>

 
 <configuration>

 
 <source>1.5</source>
 <target>1.5</target>

 
 <encoding>UTF-8</encoding>
 </configuration>
 </plugin>

 
 <plugin>
 <artifactId>maven-resources-plugin</artifactId>
 <version>2.2</version>
 <configuration>
 <encoding>UTF-8</encoding>
 </configuration>
 </plugin>
 </plugins>
 </build>
</project>

好了，写完了，下面进到项目根目录，运行一下

mvn install

就可以在根目录的target得到一个wartest.war了，把它放到Tomcat里面，或者Jboss里面，或者任何其它Web container都可以的，怎么样mvn 还算容易吧

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