📄 checkcode.java

📁 一本jsp自学教材

💻 JAVA

字号:

package test;

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

public class CheckCode extends HttpServlet {

    public void doGet(HttpServletRequest request,
                      HttpServletResponse response)
        throws IOException, ServletException
    {        
        response.setContentType("text/html;charset=GBK");
        PrintWriter out = response.getWriter();
        HttpSession session=request.getSession();
        out.println("<html>");
        out.println("<head>");
	out.println("<title>验证码试验</title>");
        out.println("</head>");
        out.println("<body bgcolor=\"white\">");
        String SysCode=(String)session.getAttribute("rand");
        String code=request.getParameter("code");
        out.print("<BR><B>你把输入的验证码:</B>"+code);
        if(code.equals(SysCode))
         {
            out.print("<BR>你所输入的验证码正确!");
            out.print("<BR>系统产生的验证码:"+SysCode);
         }
        else
         {
           out.print("<BR>你所输入的验证码不正确!");
         }
        out.println("</body>");
        out.println("</html>");
    }
    public void doPost(HttpServletRequest request,
                      HttpServletResponse response)
        throws IOException, ServletException
    {  
      doGet(request,response);    
    }
}

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