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package com.lyq.struts.action; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Date; import java.util.List; import java.util.Map; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import org.apache.struts.action.ActionForm; import org.apache.struts.action.ActionForward; import org.apache.struts.action.ActionMapping; import org.apache.struts.action.ActionMessage; import org.apache.struts.action.ActionMessages; import com.lyq.dao.MedicineDao; import com.lyq.dao.SellDao; import com.lyq.persistence.Medicine; import com.lyq.persistence.SellDetail; import com.lyq.persistence.User; import com.lyq.struts.form.SellDetailForm; /** * 销售Action类 * @author Li Yong Qiang */ public class SellAction extends BaseAction { //向购物车中添加药品 public ActionForward order(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { //获取SellDetailForm SellDetailForm sdf = (SellDetailForm) form; if (sdf != null && sdf.getSellPrice() > 0 && sdf.getMedId() > 0) { MedicineDao medDao = new MedicineDao(); //加载药品信息 Medicine med = medDao.loadMedicine(sdf.getMedId()); //如果购买的数量小于库存数量，进行错误处理 if (med.getMedCount() < sdf.getSellCount()) { ActionMessages errors = new ActionMessages(); ActionMessage message = new ActionMessage("drug.drugCount.error", ""); errors.add("", message); this.saveErrors(request, errors); return mapping.findForward("error"); } sdf.setSellTime(new Date()); //计算总价 double sum = sdf.getSellPrice() * sdf.getSellCount(); sdf.setTotal(sum); HttpSession session = request.getSession(); // 获取订单 List list = (List) session.getAttribute("order"); List meds = new ArrayList(); // 实例化一个List对象 if (list == null) { sdf.setId(1); } else { int i = 1; // 迭代已添加的药品 for (; i <= list.size(); i++) { SellDetailForm temp = (SellDetailForm) list.get(i - 1); temp.setId(i); sum += temp.getTotal(); //计算总价格 meds.add(temp); } sdf.setId(i); } meds.add(sdf); // 将总价保存到session之中 session.setAttribute("sum", new Double(sum)); // 将新的订单保存到session之中 session.setAttribute("order", meds); } return mapping.findForward("order"); } //选购药品 public ActionForward add(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { SellDetailForm sdf = (SellDetailForm) form; if (sdf.getId() > 0) { MedicineDao medDao = new MedicineDao(); Medicine med = medDao.loadMedicine(sdf.getId()); sdf.setMedId(med.getId()); sdf.setSellName(med.getName()); sdf.setSellPrice(med.getPrice()); sdf.setSellCount(1); sdf.setFactoryAdd(med.getFactoryAdd()); } return mapping.findForward("add"); } //结账购物车中的药品 public ActionForward buy(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { HttpSession session = request.getSession(); //获取购物车中所有药品 List list = (List) session.getAttribute("order"); if (list != null && list.size() > 0) { try { SellDao dao = new SellDao(); MedicineDao medDao = new MedicineDao(); //获取当前操作员（用户） User user = (User) request.getSession().getAttribute("user"); //通过循环进行结账 for (int i = 0; i < list.size(); i++) { SellDetailForm sdf = (SellDetailForm) list.get(i); //加载药品信息 Medicine med = medDao.loadMedicine(sdf.getMedId()); int dCount = med.getMedCount(); int sCount = sdf.getSellCount(); //如果库存中数量足够，进行结账，否则进行错误处理 if (dCount >= sCount) { SellDetail sd = new SellDetail(); sd.setSellCount(sdf.getSellCount()); sd.setSellName(sdf.getSellName()); sd.setSellPrice(sdf.getSellPrice()); sd.setSellTime(new Date()); sd.setMed(med); sd.setUser(user); //保存销售明细 dao.saveSellDetail(sd); //更新库库存信息 med.setMedCount(dCount - sCount); medDao.saveOrUpdate(med); } else { ActionMessages errors = new ActionMessages(); ActionMessage message = new ActionMessage( "drug.drugCount.error", ""); errors.add("", message); this.saveErrors(request, errors); return mapping.findForward("error"); } } } finally { session.removeAttribute("order"); session.removeAttribute("sum"); } } return mapping.findForward("paging"); } //分页查询销售明细 public ActionForward paging(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { //获取当前页码 String currPage = request.getParameter("currPage"); String action = request.getContextPath() + "/sell/sell.do?command=paging"; String hql = "from SellDetail s order by s.sellTime desc"; //分页查询 Map map = this.getPage(hql, recPerPage, currPage, action, null); //将结果集放到request中 request.setAttribute("list", map.get("list")); //将结果集放到分页条中 request.setAttribute("pagingBar", map.get("bar")); return mapping.findForward("findAllSuccess"); } //删除购物车中指定的药品 public ActionForward deleteOrder(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { //获取id String id = request.getParameter("id"); if (id != null && !id.isEmpty()) { HttpSession session = request.getSession(); //获取购物车 List order = (List) session.getAttribute("order"); List list = null; if (order != null) { //获取总额 double sum = ((Double) session.getAttribute("sum")) .doubleValue(); //创建新的购物车对象 list = new ArrayList(); for (int i = 0; i < order.size(); i++) { SellDetailForm sdf = (SellDetailForm) order.get(i); if (!id.equals(String.valueOf(sdf.getId()))) { list.add(sdf); } else { sum -= sdf.getTotal(); } } session.setAttribute("order", list); session.setAttribute("sum", new Double(sum)); } } return mapping.findForward("order"); } //模糊查询，分页显示 public ActionForward blurQuery(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { //获取关键词 String keyWord = request.getParameter("keyWord"); String action = request.getContextPath() + "/sell/sell.do?command=blurQuery"; //HQL查询语句 String hql = "from SellDetail s"; //获取当前页码 String currPage = request.getParameter("currPage"); Object[] where = null; // 转码 if (currPage != null && !currPage.isEmpty()) { keyWord = new String(keyWord.getBytes("iso-8859-1"), "gbk"); } if (keyWord != null && !keyWord.isEmpty()) { action += "&keyWord=" + keyWord; keyWord = "%" + keyWord + "%"; hql += " where s.sellName like ?"; where = new Object[] { keyWord }; } //分页查询 Map map = this.getPage(hql, recPerPage, currPage, action, where); //将结果集放到request中 request.setAttribute("list", map.get("list")); //将结果集放到分页条中 request.setAttribute("pagingBar", map.get("bar")); return mapping.findForward("findAllSuccess"); } // 清空订单 public ActionForward clear(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { HttpSession session = request.getSession(); session.removeAttribute("sum"); session.removeAttribute("order"); return mapping.findForward("order"); } // 查询指定时间段的销售明细 public ActionForward today(ActionMapping mapping, ActionForm