当我查询的数据只有一条时就出现以下问题
SQLSTATE: 42000
SQL Error: 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 '' at line 1
Error SQL:SELECT * FROM userinfo WHERE userId=�
SQLSTATE: 42000
SQL Error: 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 '' at line 1
Error SQL:SELECT * FROM user WHERE userId=�
SQLSTATE: 42000
SQL Error: 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 '' at line 1
Error SQL:SELECT * FROM userinfo WHERE userId=�
SQLSTATE: 42000
SQL Error: 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 '' at line 1
Error SQL:SELECT * FROM user WHERE userId=�