public static void main(String args[]) {
try {
Mysql sql = new Mysql();
}
catch (Exception e) {
System.out.println(e.getMessage());
e.printStackTrace();
}
}
}
你都没输出..
try {
Mysql sql = new Mysql();
}
catch (Exception e) {
System.out.println(e.getMessage());
e.printStackTrace();
}
}
}
你都没输出..
System.out.println(rs.getString(1));
...