jsp转发到servlet怎么servlet执行是空白？jbuider 2005

hlzlemongrass 2006-11-27 04:28:28

直接运行servlet能够正常运行现实servlet中的内容
通过
表单提交显示空白

jsp文件名jsp2.jsp

<%@ page contentType="text/html; charset=GBK" %>
<html>
<head>
<title>
jsp2
</title>
</head>
<body bgcolor="#ffffff">
<h1>
JBuilder Generated JSP
</h1>
<form method="post" action="/xianluserch">
<br><br>
<input type="text" value="sdfssssssssssss" name="tt">
<input type="submit" name="Submit" value="Submit">
<input type="reset" value="Reset">
</form>
</body>
</html>

servlet
文件名 xianluserch.java
package web;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;

public class XianLuSerch 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 {
response.setContentType(CONTENT_TYPE);
String ss=request.getParameter("tt");
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<head><title>XianLuSerch</title></head>");
out.println("<body bgcolor=\"#ffffff\">");
out.println("<p>The servlet has received a " + request.getMethod() +"ss"+
". This is the reply.</p>");
out.println("</body>");
out.println("</html>");
out.close();
System.out.println("sddddddddddddddddddddddddddddddddddddddd");
}

//Process the HTTP Post request
public void doPost(HttpServletRequest request, HttpServletResponse response) throws
ServletException, IOException {
response.setContentType(CONTENT_TYPE);
doGet(request, response);
}

//Clean up resources
public void destroy() {
}
}

web.xml

<?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>Web</display-name>
<servlet>
<servlet-name>xianluserch</servlet-name>
<servlet-class>web.XianLuSerch</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>xianluserch</servlet-name>
<url-pattern>/xianluserch</url-pattern>
</servlet-mapping>
<servlet>
<description>Added by JBuilder to compile JSPs with debug info</description>
<servlet-name>debugjsp</servlet-name>
<servlet-class>org.apache.jasper.servlet.JspServlet</servlet-class>
<init-param>
<param-name>classdebuginfo</param-name>
<param-value>true</param-value>
</init-param>
<load-on-startup>3</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>debugjsp</servlet-name>
<url-pattern>*.jsp</url-pattern>
</servlet-mapping>
</web-app>

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luofeng113 2006-12-01

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还有一个地方
out.println("<p>The servlet has received a " + request.getMethod() +"ss"+
". This is the reply.</p>");
－－>如果是要输出文本框的值的话：out.println("这个才对吗！"+ ss );

luofeng113 2006-12-01