msyql问号传参

sql=皊elect *从tb_user user_name像‘%’| | ? %”;

pstmt。setString (1、userPartName);

sql=皊elect * from tb_user user_name ?”;

pstmt。setString (“%”+ userPartName +“%”);

sql=皊elect * from tb_user user_name像% + userPartName +“%”;

msyql问号传参