mysql中FIND_IN_SET的应用(判断某字符串是否在带逗号的字符串之中)
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测试代码: CREATE TABLE `test` ( `id` int(8) NOT NULL auto_increment, `name` varchar(255) NOT NULL, `list` varchar(255) NOT NULL, PRIMARY KEY (`id`))INSERT INTO `test` VALUES (1, 'name', 'daodao,xiaohu,xiaoqin');INSERT INTO `test` VALUES (2, 'name2', 'xiaohu,daodao,xiaoqin');INSERT INTO `test` VALUES (3, 'name3', 'xiaoqin,daodao,xiaohu');test:sql = select * from `test` where FIND_IN_SET('daodao',`list`);得到三条数据。