cat.java

网上书店 源代码和数据库网上书店 源代码和数据库

package com.shop.controller;

import java.util.HashMap;
import java.util.Map;

public class Cat {
	
	private Map<String, Integer> bookList;

	public Cat() {
		bookList = new HashMap<String, Integer>();
	}

	public void addBook(String id,int buyCount) {

		System.out.println("==================:"+id+":");
		if (bookList.containsKey(id)) {
			Integer catcount = bookList.get(id);
			bookList.put(id, catcount + buyCount);

		} else {
			bookList.put(id, buyCount);

		}

	}

	public void removeBook(String[] ids) {
		
		
		for (String id : ids) {
			id=id.trim();
			if (bookList.containsKey(id)) {
				Integer catcount = bookList.get(id.trim());
				if (catcount > 1) {
					bookList.put(id, catcount - 1);
				} else {
					bookList.remove(id);

				}

			}
		}

	}

	public void addBooks(String id,int buyCount) {
        
		this.addBook(id, buyCount);

	}

	public Map<String, Integer> getBook() {

		return bookList;
	}

}