sql语法错误,错误信息:line 69 IN D:\xampp\htdocs\sfysx\includes\DB.php
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '?gmfbcvxldxlwskbz?pcvxbmplufbjjzfb LIMIT 0,1' at line 1
SQL: SELECT * FROM db_sfysx.tb_contents WHERE id=21?gmfbcvxldxlwskbz?pcvxbmplufbjjzfb LIMIT 0,1;