caid1.java~4~

管理系统

package com.aptech.cdjj.sex.action;


import com.aptech.cdjj.sex.database.SDBManager;
import java.sql.*;

/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2007</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class CAid1 {

    public boolean mua(String id) {
        SDBManager.ConnToDB();
        String sql = "select cid from client where cid = '"+id+"'";
          ResultSet rs = SDBManager.executeQuery(sql);
          try{
              while(rs.next()){
                  return true;
              }
          }catch(SQLException ex){
              ex.printStackTrace();
              return false;
          }finally{
              SDBManager.closeObj();
          }
         return false;
    }
}