Servlet开发求助
在下写了个Servlet，用HTML提交，但是运行后出现错误，请各位指教，万分感激：
type: Status report
message: /ServletModule/ServletModule/customerregistration
description: The requested resource (/ServletModule/ServletModule/customerregistration) is not available.
我的XML描述是：
<?xml version= "1.0 " encoding= "UTF-8 "?>
<web-app 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 " version= "2.4 ">
<display-name> ServletModule </display-name>
<servlet>
<servlet-name> customerregistration </servlet-name>
<servlet-class> example_lg_1.CustomerRegistration </servlet-class>
</servlet>
<servlet-mapping>
<servlet-name> customerregistration </servlet-name>
<url-pattern> /customerregistration </url-pattern>
</servlet-mapping>
</web-app>
HTML文件：
<html>
<head>
<meta content= "text/html;charset=gb2312 " />
<title> 用户注册表 </title>
</head>
<body>
<form action= "ServletModule/customerregistration "method= "post ">
<table width= "100% " border= "0 " bgcolor= "center ">
<tr align= "center " valign= "top ">
<td colspan= "2 ">
<h1>
<em>
<strong> 用户注册表 </strong>
</em>
</h1>
</td>
</tr>
<tr>
<td>
<span>
<strong> 用户 ID: </strong>
</span>
</td>
<td>
<input name= "txtuserid " type= "text " id= "txtuserid " size= "45 " maxlength= "35 ">
</td>
</tr>
<tr>
<td>
<span>
<strong> 密码: </strong>
</span>
</td>
<td>
<input name= "txtpassword " type= "password " id= "txtpassword " size= "12 "
maxlength= "10 ">
</td>
</tr>
<tr>
<td>
<span>
<strong> 姓名: </strong>
</span>
</td>
<td>
<input name= "txtname " type= "text " id= "txtname " maxlength= "15 "/>
</td>
</tr>
<tr>
<td>
<span>
<strong> 性别: </strong>
</span>
</td>
<td>
<input name= "rbgender " type= "radio " value= "男 " checked/>
男
<input name= "rbgender " type= "radio " value= "女 " checked/>
女
</td>
</tr>
<tr>
<td>
<span>
<strong> 年龄: </strong>
</span>
</td>
<td>
<input name= "txtage " type= "text " id= "txtage " size= "3 " maxlength= "2 "/>
岁
</td>
</tr>
<tr>
<td> </td>
<td>
<input name= "Submit " type= "submit " value= "提交 "/>
<input type= "reset " name= "Reset " value= "重置 "/>
</td>
</tr>
</table>
</form>
</body>
</html>
类文件：
package example_lg_1;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
public class CustomerRegistration
extends HttpServlet {
private static final String CONTENT_TYPE = "text/html; charset=GBK ";
//Initialize global variables
public void init() throws ServletException {
}
//Process the HTTP Get request
public void doGet(HttpServletRequest request, HttpServletResponse response) throws
ServletException, IOException {
request.setCharacterEncoding( "GBK ");
response.setContentType(CONTENT_TYPE);
PrintWriter out = response.getWriter();
out.println( " <html> ");
out.println( " <head> <title> CustomerRegistration </title> </head> ");
out.println( " <body bgcolor=\ "#ffffff\ "> ");
String UserId = request.getParameter( "txtuserid ");
if (UserId == null) {
UserId = " ";
}
String Password = request.getParameter( "txtpassword ");
if (Password == null) {
Password = " ";
}
String FirstName = request.getParameter( "txtName ");
if (FirstName == null) {
FirstName = " ";
}
String Gender = request.getParameter( "rbgender ");
if (Gender == null) {
Gender = " ";
}
String Age = request.getParameter( "txtage ");
if (Age == null) {
Age = " ";
}
out.println( " <table border=0 align=center width=50% ");
out.println( " <tr> <td colspan=2> <center> <font color=red size=6> 用户注册详细信息 </font> </center> </td> </tr> ");
out.println( " <tr> <td> 用户ID: </td> <td> <Font Color=red Face=宋体> "+UserId+ " </Font> </td> </tr> ");
out.println( " <tr> <td> 密码: </td> <td> <Font Color=red Face=宋体> "+Password+ " </Font> </td> </tr> ");
out.println( " <tr> <td> 姓名: </td> <td> <Font Color=red Face=宋体> "+FirstName+ " </Font> </td> </tr> ");
out.println( " <tr> <td> 性别: </td> <td> <Font Color=red Face=宋体> 女 </Font> </td> </tr> ");
out.println( " <tr> <td> 年龄: </td> <td> <Font Color=red Face=宋体> "+Age+ " </Font> </td> </tr> ");
out.println( " </table> ");
out.println( " </body> ");
out.println( " </html> ");
out.close();
}
//Process the HTTP Post request
public void doPost(HttpServletRequest request, HttpServletResponse response) throws
ServletException, IOException {
doGet(request, response);
}
//Clean up resources
public void destroy() {
}
}
[解决办法]
<form action= "ServletModule/customerregistration "method= "post "> 改成
<form action= "customerregistration "method= "post "> 试试
[解决办法]
恩 form action设置为servlet的名字
[解决办法]
<form action= "ServletModule/customerregistration "method= "post ">
改成 <form action= "/ServletModule/customerregistration "method= "post ">
String FirstName = request.getParameter( "txtName ");
改成 String FirstName = request.getParameter( "txtname ");
类文件CustomerRegistration里面加上 request.setCharacterEncoding( "gbk ");
out.println( " <tr> <td> 性别: </td> <td> <Font Color=red Face=宋体> 女 </Font> </td> </tr> ");
改成
out.println( " <tr> <td> 性别: </td> <td> <Font Color=red Face=宋体> "+Gender+ " </Font> </td> </tr> ");
[解决办法]
servlet的位置和web.xml没映射上
