核心代码 --下面我演示下MySQL中的排序列的实现 --测试数据 CREATE TABLE tb ( score INT ); INSERT tb SELECT 5 UNION ALL SELECT 4 UNION ALL SELECT 4 UNION ALL SELECT 4 UNION ALL SELECT 3 UNION ALL SELECT 2 UNION ALL SELECT 1; --1.row_number式的排序 SET @row_number =0; SELECT @row_number := @row_number+1 AS row_number,score FROM