新建 文本文档 (5).txt

来自「安装J2SDK,并练习设置path和classpath环境变量;编写一个打印出”」· 文本 代码 · 共 25 行

TXT
25
字号
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
public class EchoForm extends HttpServlet
{
   public void service(HttpServletRequest req,HttpservletResponse res)throws IOException
  {
     res.setContentType("text/html");
     PrintWriter out=res.getWriter();
     Enumeration flds=res.getWriter();
     if(!flds.hasMoreElements())
     {
        out.print("<html>");
        out.print("<form method=\"POST\""+"action=\"EchoForm\">");
        for (int i=0;i<10;i++)
          out.print("<b>Field"+i+"</b>"+"<input type=\"text\""+"size=\"20\"name=\"Field"+i+"\"value=\"Value"+i+"\"><br>");
        out.print("<INPUT TYPE=submit name=submit Value=\"Submit\"></form></html>");
     }
    else
    {
       out.print("<h1>Your form contained:</h1>");
       while(flds.hasMoreElements())
       {
           String field=(String)flds.nextElement();

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