src/com/ccit/action/SellProductAction.java

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package com.ccit.action;

import java.util.List;
import java.util.Map;

import com.ccit.manager.ObjectManager;
import com.ccit.model.Goods;
import com.ccit.model.SellProduct;
import com.ccit.model.User;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;

@SuppressWarnings( { "unchecked", "serial" })
public class SellProductAction extends ActionSupport {
	private SellProduct util;
	private List<SellProduct> list;
	private List<Goods> listGoods;
	private List<User> listUser;
	private String message;
	private String str;
	private String err;
	private String bgtime;
	private String endtime;
	private String money;
	private ObjectManager objectManager;

	private List listYF;
	
	
	public String yf() throws Exception {
		listYF = objectManager.getyfList("s_4", bgtime, endtime);
		return "show";
	}

	public String initUtil() throws Exception {
		listGoods = objectManager.getUtil("from Goods");
		listUser = objectManager.getUtil("from User where s_11='user'");
		util = null;
		return "saveOrUpdate";
	}

	public String saveOrUpdateObject() throws Exception {
		Goods goods = (Goods) objectManager.getObject(new Goods(), util
				.getGoods().getId());
		int num = Integer.parseInt(goods.getS_3());
		int n = Integer.parseInt(util.getS_3());
		if (0 == util.getId()) {
			Map session = ActionContext.getContext().getSession();
			int id = (Integer) session.get("id");
			User user = (User) objectManager.getObject(new User(), id);
			util.setUser(user);
			util.setS_2("0");

			if (n > num) {
				err = "库存不足";
				return "saveOrUpdate";
			}
			double price = Double.parseDouble(goods.getS_4());
			double sum = price * n;
			util.setS_4(sum + "");