user.java

首先确保MySQL4.0数据库已经正确安装

package edu.jnestore.common;


import edu.jnestore.beans.Book;
import java.util.ArrayList;
/**
 * User类用来封装登陆用户信息，包括用户名、选购的商品
 */
public class User
{
  private String userID;//用户名
  //bookList是存储选购商品的集合，相当于用户的购物车
  private java.util.ArrayList bookList = new ArrayList();  
  public User(String userID)
  {
    this.userID = userID;
  }
  public String getUserID()
  {
    return userID;
  }
  public void setUserID(String userID)
  {
    this.userID = userID;
  }
  public java.util.ArrayList getBookList()
  {
    return bookList;
  }
  public void setBookList(java.util.ArrayList bookList)
  {
    this.bookList = bookList;
  }
  //向购物车中添加商品
  public void addBook(Book book)
  {
    java.util.Iterator iterator = this.bookList.iterator();
    while(iterator.hasNext())
    {
      Book b = (Book)iterator.next();
      if(b.getIsbnid().trim().compareToIgnoreCase(book.getIsbnid().trim())==0)
      {
        return;
      }
    }
    this.bookList.add(book);
  }
  //从购物车中删除指定商品
  public void removeBook(String ISBN)
  {
    java.util.Iterator iterator = this.bookList.iterator();
    while(iterator.hasNext())
    {
      Book b = (Book)iterator.next();
      if(b.getIsbnid().trim().compareToIgnoreCase(ISBN.trim())==0)
      {
        this.bookList.remove(b);
      }
    }
  }
  
  
}