java 表单处理

表单处理"/>

java 表单处理

实例名称：    潜在用户网络调查表

HTML页面代码

潜在用户网络调查

servlet中的代码

package com.v503.zhouzhou;

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;

public class LoginForm extends HttpServlet {

private static final long serialVersionUID = 1560239073696880062L;

public void doGet(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {

doPost(request, response);

}

public void doPost(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {

response.setContentType("text/html;charset=utf-8");

PrintWriter out = response.getWriter();

out.println(""-//W3C//DTD HTML 4.01 Transitional//EN\">");

request.setCharacterEncoding("utf-8");

out.println("");

out.println(" 

out.println(" 

out.println("姓名:"+filterHtml(request.getParameter("name"))+"
");

out.println("email:"+filterHtml(request.getParameter("email"))+"
");

out.println("年龄:"+filterHtml(request.getParameter("age"))+"
");

out.println("编程时间："+request.getParameter("codetime")+"
");

out.println("使用的操作系统:");

@SuppressWarnings("unused")

String os[]=request.getParameterValues("os");

for(int i = 0;i

{   out.println(os[i]+"
");}

out.println("使用的编程语言");

@SuppressWarnings("unused")

String language[]=request.getParameterValues("language");

for(int i = 0;i

{out.println(language[i]+"
");}

out.println("建议："+filterHtml(request.getParameter("comment"))+"
");

out.println("  ");

out.println("");

out.flush();

out.close();

}

// 过滤的方法

public String filterHtml(String value){

value=value.replaceAll("&","&amp");

value=value.replaceAll("

value=value.replaceAll(">", ">");

value=value.replaceAll(" "," ");

value=value.replaceAll("'","value39;");

value=value.replaceAll("\"","value;");

value=value.replaceAll("\n", "value");

return value;

}

}

web.xml文件代码

xmlns=""

xmlns:xsi=""

xsi:schemaLocation="

.xsd">

This is the description of my J2EE component

This is the display name of my J2EE component

LoginForm

com.v503.zhouzhou.LoginForm

LoginForm

/servlet/loginform