📄 getform.java

📁 一本jsp自学教材
💻 JAVA
字号:
package test;

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

public class GetForm extends HttpServlet {


    public void doGet(HttpServletRequest request,
                      HttpServletResponse response)
        throws IOException, ServletException
    {        
        response.setContentType("text/html;charset=GBK");
        PrintWriter out = response.getWriter();
        out.println("<html>");
        out.println("<head>");
        out.println("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=GBK\">");
	out.println("<title>Get Form Info</title>");
        out.println("</head>");
        out.println("<body bgcolor=\"white\">");
        String ip=request.getRemoteAddr();
        if(CheckIP(ip))
         {
           out.print("<BR><B>请求来自:</B>"+ip);
           out.print("来自localhost!");
         }
        else
         {
            out.print("<BR><B>请求来自:</B>"+ip); 
         }
        String name=request.getParameter("name");
        name=STREncode(name);
        out.print("<BR><B>Name:</B>"+name);
        String email=request.getParameter("email");
        out.print("<BR><B>E-mail:</B>"+email);
        String query=request.getQueryString();
        out.print("<BR><B>QuseryString:</B>"+query);
        String url=request.getRequestURL().toString();
        out.print("<BR><B>RequestURL:</B>"+url); 
        
        out.println("</body>");
        out.println("</html>");        
    }
    public boolean CheckIP(String ip)
     {
       boolean flag;
       if(ip.equals("127.0.0.1"))
        {
          flag=true;
        }
       else
        {
          flag=false;
        }
       return flag;
     }
    public String STREncode(String str)
     {
       String tem;
       try{
         tem=new String(str.getBytes("ISO-8859-1"));
       }
       catch(Exception e)
       {
         tem="异常:"+e.toString();
       }     
       return tem;
     }
    public void doPost(HttpServletRequest request,
                      HttpServletResponse response)
        throws IOException, ServletException
    {  
      doGet(request,response);    
    }
}
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