实例名称： 满意度调查表
HTML页面代码
<html>
<head>
<title> 网站使用满意度调查 </title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
</head>
<body>
<form method="post" action="/webproject1/servlet/loginlorm1">
<input type="hidden" name="survey_type" value="满意度调查">
<table border="0">
<tr>
<td align="right">您对本网站提供的所有服务满意吗？</td>
</tr>
<tr>
<td>
<input type="submit" name="attitude" value="满意">
<input type="submit" name="attitude" value="不满意">
</td>
</tr>
</table>
</form>
</body>
</html>
servlet中的代码
package com.v503.zhouzhou;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Enumeration;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@SuppressWarnings("serial")
public class LoginForm1 extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doPost(request,response);
}
@SuppressWarnings("unchecked")
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=utf-8");
PrintWriter out = response.getWriter();
out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
request.setCharacterEncoding("utf-8");
out.println("<HTML>");
out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>");
out.println(" <BODY>");
// 处理方法
@SuppressWarnings("unused")
Enumeration e=request.getParameterNames();
@SuppressWarnings("unused")
String parameter=null;
while(e.hasMoreElements()){
parameter=(String)e.nextElement();
@SuppressWarnings("unused")
String value[]=request.getParameterValues(parameter);
out.println(parameter+"<br>");
out.println("<ul>");
for(int i=0;i<value.length;i++)
out.println("<li>"+value[i]+"</li>");
out.println("</ul>");
}
out.println(" </BODY>");
out.println("</HTML>");
out.flush();
out.close();
}
public String filterHtml(String value){
value=value.replaceAll("&","&");
value=value.replaceAll("<", "<");
value=value.replaceAll(">", ">");
value=value.replaceAll(" "," ");
value=value.replaceAll("'","value39;");
value=value.replaceAll("\"","value;");
value=value.replaceAll("\n", "value");
return value;
}
}