急待那位高手解决!

Question

preStatement = conn.prepareStatement("SELECT * FROM userTable where
                             username=? 
                              and password=?
                              and func=? ");
試試吧

Answer 1

preStatement = conn.prepareStatement("SELECT * FROM userTable where"
                              + " username=? " 
                              + " and password=? "
                              + " and func=? ");

Answer 2

username,password,func好像要加单引号