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嗨，我有一个页面可以控制电子邮件是否在使用中。但我有一个问题，它停留在“Kontrol ediliyor”（控制）位置。

它没有说“mail kullanımda”（邮件正在使用）或“mail boşta”（邮件为空），它只是说“kontrol ediliyor”。

我希望有一个解决方案。

索引.jsp 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">

<head>
    <title>Mail Control From Db</title>
    <script type="text/javascript" src="jquery-1.2.6.min.js"></script>
    <script type="text/javascript" src="check.js"></script>
</head>

<body>

<div align="left">
<form name="chkForm" id="chkForm" method="post"  >
    <table>  
            <tr>
                    <td>Email</td>
                    <td>
                    <input type="text" name="email" id="email" size="20"  ></td>
                    <td>
                    <div id="emailInfo" align="left"></div>
                    </td>
            </tr>

    </table>
</form>
</div>

</body>
</html>

检查.js

$(document).ready(function(){



    var emailok = false;
    var myForm = $("#chkForm"), email = $("#email"), emailInfo = $("#emailInfo");

    //send ajax request to check email

    email.blur(function(){

            $.ajax({
                    type: "POST",
                    url: "check.jsp",
                    data: "email="+$(this).attr("value"),                        
                    dataType: "json",
                    beforeSend: function(){

                            emailInfo.html("<font color='blue'>Kontrol Ediliyor..    </font>");

                    },


                    success: function(data){


                    var checkData = data.toString();

                            if(checkData == "invalid")
                            {
                                    emailok = false;
                                    emailInfo.html("<font color='red'>Geçersiz mail.</font>");
                            }
                            else if(checkData == "0")
                            {  
                                    emailok = false;
                                    emailInfo.html("<font color='red'>Mail kullanimda.</font>");
                            }
                            else if(checkData == "1")
                            {
                                    emailok = true;
                                    emailInfo.html("<font color='green'>Mail Bosta</font>");
                            }
                    }
            });
    });
 });

检查.jsp

 <%@page pageEncoding="ISO-8859-9"%>
<jsp:useBean id="checkMailBean" scope="page" class="checkMail">

</jsp:useBean>
<%
String rs="0";
rs = checkMailBean.dbConn("ousan@gmail.com");

 if((rs == null) ||(rs.equals("0")))
          {
              //donusDeger="1";
              out.println("1");   
          }//end if
          else
          {
              //donusDeger="0";
              out.println("0");
          }

  //String email = request.getParameter("email");

//  Connection conn = null;

    //Statement stmt03 =conn.createStatement();
    //ResultSet rs03 = stmt03.executeQuery("select * from User where     username="+email+");

    //int recordCount = rs03.getRow();

    //if(recordCount > 0)
    //{
        //out.println("0");
    //}
    //else
    //{
        //out.println("1");
    //}

    //stmt03.close();
    //rs03.close();




%>

检查邮件.java

import java.sql.Connection;  
import java.sql.ResultSet;  
import java.sql.Statement;  
import com.dasdas.oracle.pool.ConnectionPool;

import java.sql.ResultSet;  
import java.sql.Statement;  
import com.altar.oracle.pool.ConnectionPool;


public class checkMail 
{
public String donusDeger;

public String strmail;
//  database baglantisi
public String dbConn(String email)
{
    Connection conn = null;
      try 
      {  
          conn = ConnectionPool.getConnection();

          System.out.println("database e baglaniliyor....");   
          Statement statement = conn.createStatement();  
          ResultSet resultset = statement.executeQuery("Select user_id from    USER_LIST where user_email = "+email);
          resultset.next();  
          String s = resultset.getString(1);  
          System.out.println(s);


          statement.close();  
          conn.close(); 
          return s;
      }//end try 

      catch (Exception e) 
      {  
          e.printStackTrace();
          System.out.println("Hata" + e);  
          return null;
      }  //end catch

}//end dbConn
}//end checkMail
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