BEGIN  
       /**  
         *   
         * 游标模版  
         * @author xuyw  
         * @email xyw10000@163.com  
         * @date 2014-05-19  
         */  
         /*游标数据变量 uid*/  
        DECLARE uid VARCHAR(128);  
        DECLARE done INT DEFAULT 0;  
          
        /*查询所有用户*/  
        DECLARE cur CURSOR FOR SELECT xxx FROM xx;  
        DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = 1;  
      OPEN cur;  
        /* 开始循环*/  
        REPEAT  
        /* 提取游标里的数据*/  
        FETCH cur INTO uid;  
        IF done =0 THEN   
        执行你的业务  
       END IF;  
      UNTIL done=1  
      END REPEAT;  
      /*关闭游标*/  
      CLOSE cur;  
    END;