计应143 赵先亮3

package DAO;

import tools.DBHelper;
import entity.Usuer;

public class UserDAO {
public boolean insert(Usuer u)
{
String SQL="INSERT INTO user( userID,userName)VALUES(?,)";
Object[] params=new Object[]{u.getUserID(),u.getUserName()};
int n= DBHelper.ExecSql(SQL,params);
if(n>0) return true;
else return false;
public static list getALLUser
}
public static boolean update( Object ID,Usuer u)
{
String SQL="UPDATE user SET userID=?,userName=? WHERE userID";
Object[] params=new Object[]{u.getUserID(),u.getUserName(),ID};

}

 

}

待续