bankdao.java~1~

销售管理系统 随着我国国民经济的持续发展

package com.dao;

import com.tool.JDBConnection;
import java.util.*;
import com.domain.BankVO;
import java.sql.*;

public class BankDao {
  private JDBConnection connection = null;
  public BankDao() {
    connection = new JDBConnection();
    this.connection.creatConnection(); //利用构造方法调用类中的对象对数据库创建连接
  }
//查询所有银行的信息
  public List bankSelect() {
    List list = new ArrayList();
    BankVO bank = null;
    String sql="select * from tb_bank";
    ResultSet rs=connection.executeQuery(sql);
    while(rs.next()){}
    
    
    
    
    
    
    return list;
  }

}