webwork之HelloWorld篇

dalezhu

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Webwork JSP Servlet XML Eclipse

任何结果都是由简单的实践得出的，当然我下面的介绍也是模仿那些大牛们，下面WebWork的介绍也是从古老而经典的HelloWorld开始。
在今天，各种各样的框架让我们眼花缭乱，但我始终坚信一点：“存在就是合理的”（黑格尔之哲学），各种框架利弊优劣等不是本篇之目的。
首先表述一下我做这个HelloWorld的机器环境
JDK5
Eclipse 3.3.1
mysql 5.0.45-community-nt

jar包：
commons-fileupload.jar - Apache Commons Fil Upload version 1.0
commons-logging.jar - Apache Commons Logging version ???
cos-multipart.jar - Cos Multipart File Upload version ???
mail.jar - Mail API version ???
ognl.jar - OGNL version 2.6.5
oscore.jar - OSCore version 2.2.4
pell-multipart.jar - Pell Multipart File Upload version ???
velocity-dep.jar - Velocity (plus dependencies) version 1.3.1
xwork.jar - XWork version 1.0.5

打开Eclipse建一个Hello的web工程

先写一个User.java 即MVC中的M：

[color=darkred]

package com.test;

/**
*
* @author yiqiao
*/
public class User {
private String userName;
private String userPwd;

public String getUserName() {
return userName;
}

public void setUserName(String userName) {
this.userName = userName;
}

public String getUserPwd() {
return userPwd;
}

public void setUserPwd(String userPwd) {
this.userPwd = userPwd;
}

}

在看一下MVC中的C：
[color=darkred]

package com.test;

import com.opensymphony.xwork.Action;

/**
*
* @author yiqiao
*/
public class LoginAction implements Action {
private User user = new User();

public String execute() throws Exception {
if (user.getUserName().equals("yiqiao"))
return this.SUCCESS;
else
return this.ERROR;
}

public User getUser() {
return user;
}

}

页面3个：
index.jsp

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>test</title>
</head>
<body>
<DIV align = "center">
           LOGIN
       </DIV>
       <FORM action = "login.action" method = "post">
           <DIV align = "center">
              <TABLE border = "1" cellpadding = "0" cellspacing = "0">
                  <TR>
                     <TD>
                         username:
                     </TD>
                     <TD>
                         <INPUT type = "text" size = "10" name = "user.userName">
                     </TD>
                  </TR>
                  <TR>
                     <TD>
                         password:
                     </TD>
                     <TD>
                         <INPUT type = "text" size = "10" name = "user.userPwd">
                     </TD>
                  </TR>
                  <TR>
                     <TD colspan = "2" align = "center">
                         <INPUT type = "submit" value = "submit" name = "submit">
                         <INPUT type = "reset" value = "reset" name = "reset">
                     </TD>
                  </TR>
              </TABLE>
           </DIV>
</FORM>
</body>
</html>

2:ok.jsp

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>
<%@ taglib prefix = "ww" uri = "webwork" %>
<html >
    <head >
       <title > OK </title>
    </head>
    <body>
       userName= <ww:property value = "user.userName" />
       <br>
       userPwd= <ww:property value = "user.userPwd" />
       <br>
    </body>
</html>

3:error.jsp
<html >
    <head>
       <title> ERROR </title>
    </head>
    <body>
       Error !!!
    </body>
</html>

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app id="WebApp_ID" version="2.4"
xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
<display-name>WebWork</display-name>
<welcome-file-list>
  <welcome-file>index.html</welcome-file>
  <welcome-file>index.htm</welcome-file>
  <welcome-file>index.jsp</welcome-file>
  <welcome-file>default.html</welcome-file>
  <welcome-file>default.htm</welcome-file>
  <welcome-file>default.jsp</welcome-file>
</welcome-file-list>

<servlet>
  <servlet-name>webwork</servlet-name>
  <servlet-class>
   com.opensymphony.webwork.dispatcher.ServletDispatcher
  </servlet-class>
</servlet>
<servlet-mapping>
  <servlet-name>webwork</servlet-name>
  <url-pattern>*.action</url-pattern>
</servlet-mapping>

</web-app>

xwork.xml:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE xwork PUBLIC "-//OpenSymphony Group//XWork 1.0//EN" "http://www.opensymphony.com/xwork/xwork-1.0.dtd">
<xwork>
    <include file="webwork-default.xml" />
    <package name="default" extends="webwork-default">
       <action name="login" class="com.test.LoginAction">
           
           <result name="success" type="dispatcher">
              <param name="location">/ok.jsp</param>
           </result>
            
           <result name="error" type="dispatcher">
              <param name="location">/error.jsp</param>
           </result>
           
           <interceptor-ref name="params" />
       </action>
    </package>
</xwork>

hello.rar (1.4 MB)
描述: eclipse 的hello web工程
下载次数: 118

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