buycarbean.java

此压缩文件解压后为eclipse的一个工程需要导入使用

package com.monitor.bean;

import java.util.Arrays;
import java.util.HashMap;

public class BuyCarBean {
	private HashMap<Integer, BookBean> hm=new HashMap<Integer, BookBean>();
	public HashMap<Integer, BookBean> addBooks(BookBean book){
		if(hm.containsKey(new Integer(book.getBookid()))){
			hm.get(new Integer(book.getBookid())).setSum(hm.get(new Integer(book.getBookid())).getSum()+1);
		}else{
			hm.put(new Integer(book.getBookid()),book);
		}
		return hm;
	}
	
	public BookBean[] getAllBooks(){
		Object[] obj=hm.values().toArray();
		BookBean bbs[]=new BookBean[obj.length];
		for(int i=0;i<obj.length;i++){
			bbs[i]=(BookBean)obj[i];
		}
		Arrays.sort(bbs);
		return bbs;
	}
	
	public float getAllPrice(){
		BookBean books[]=this.getAllBooks();
		float allprice=0;
		for(int i=0;i<books.length;i++){
			allprice+=books[i].getAllprice();
		}
		return allprice;
	}
	
	public void remove(Integer id){
		hm.remove(id);
	}
}