userdao.java

这是java编写宠物医院项目

package user;
import jdbc.JDBC;
import java.sql.*;

public class UserDAO {
    public UserDAO() {
    }
    //鏍￠獙鐢ㄦ埛鐧婚檰
     public UserVO login(String id ,String pwd){
         UserVO vo=null;
         Statement stmt=null;
         ResultSet rs=null;
         try{
             stmt =JDBC.getConnection().createStatement();
             String sql="select * from User_info where userid='"+id+"' and password='"+pwd+"'";
             rs=stmt.executeQuery(sql);
             if(rs.next()){
                //鐧婚檰鎴愬姛!鎶婅