mysql 通过Excel导入导出数据时,有可能会添加上不需要的空格,回车字符。
UPDATE user SET user_name = TRIM(user_name);
UPDATE user SET user_name = REPLACE(REPLACE(user_name,CHAR(10),‘‘), CHAR(13),‘‘);
UPDATE user SET user_name = REPLACE(user_name, ‘\n‘,‘‘);
UPDATE user SET user_name = REPLACE(user_name, ‘\r\n‘,‘‘);
原文地址:http://tievoli.blog.51cto.com/2543851/1863796