package com.hrsoft.ms.webAction;

import org.apache.struts.action.*;
import javax.servlet.http.*;
import com.hrsoft.ms.user;
import com.hrsoft.ms.ValueObject.userDto;
import java.util.*;
import org.apache.commons.beanutils.PropertyUtils;


public class userCtrlAction
    extends Action {

  public ActionForward execute(ActionMapping actionMapping,
                               ActionForm actionForm,
                               HttpServletRequest httpServletRequest,
                               HttpServletResponse httpServletResponse) {

	//獲取session
    HttpSession session = httpServletRequest.getSession();
	//定義struts的導(dǎo)向 ActionForward 字符串
    String forward = new String("failure");

    try {
      DynaActionForm dynaActionForm = (DynaActionForm) actionForm;

      //取得當(dāng)前用戶的請(qǐng)求
      String action = (String) dynaActionForm.get("action"); 
      action = action.trim();
      if (action.equals("")) {
        action = httpServletRequest.getParameter("action");
      }
	  if(action==null || action.equals("") || action.equals("null"))
		  action = "list";
	  System.out.println("action=======================> " + action);

      //創(chuàng)建業(yè)務(wù)操作對(duì)象
	  user u = new user();
	  userDto ud = new userDto();
	  

      if ("add".equals(action)) { //增加
		PropertyUtils.copyProperties(ud,dynaActionForm);//拷貝FormBean=>后臺(tái)的VO對(duì)象(也叫作Dto對(duì)象) 
		if(u.InsertUser(ud)==true)//調(diào)用具體的業(yè)務(wù)方法
			forward = "success_list";//決定轉(zhuǎn)向,也就是你struts-config.xml 里面的 actionmapping 里面的 forward 
      }

      if ("del".equals(action)) { //刪除
		PropertyUtils.copyProperties(ud,dynaActionForm);
		if(u.DeleteUser(ud)==true)
			forward = "success_list";
      }

      if ("modify_before".equals(action)) { //修改之前  通過傳遞過來的id獲取一個(gè)完整的userDto

		PropertyUtils.copyProperties(ud,dynaActionForm);
		Collection list = u.ListUser(ud.getId());
		Iterator it = list.iterator();
		while(it.hasNext()){
			ud = (userDto)it.next();
			break;
		}

		PropertyUtils.copyProperties(dynaActionForm,ud);
		forward = "success_modefy";

      }

      if ("modify".equals(action)) { //修改
		PropertyUtils.copyProperties(ud,dynaActionForm);
		if(u.ModifyUser(ud)==true)
			forward = "success_list";
      }


      if ("list".equals(action)) { //現(xiàn)有用戶列表
	    System.out.println("你執(zhí)行了嗎?---------------->");
        String offset = httpServletRequest.getParameter("pager.offset") == null ?
            "0" : httpServletRequest.getParameter("pager.offset");
        //取得頁偏移量
        int i = Integer.parseInt(offset.trim());
        //用戶請(qǐng)求顯示的頁號(hào)
        int page = (i / 25) + 1;

        Collection userList = null;
		//獲取指定頁的數(shù)據(jù)
		//這里隨便指定一個(gè)頁的總數(shù),實(shí)際項(xiàng)目中需要?jiǎng)討B(tài)獲得
		session.setAttribute("totalItem",new Integer(100));
        userList = u.ListUser(25,page);

        httpServletRequest.setAttribute("userList", userList);
		//下面是通過迭代的方式檢查后臺(tái)是否獲取到數(shù)據(jù)的一種辦法,常常在希望返回給JSP文件一個(gè)Collection時(shí),判斷起后去是否正確
		//Iterator it = userList.iterator();
		//while(it.hasNext()){
		//	userDto dd = (userDto)it.next();
		//	System.out.println(dd.getId() + "---");
		//}
        forward = "success";
		dynaActionForm.set("action","list");

        //如果 使用 forward 的重定向(redirect=true) 那么必須使用下面代碼進(jìn)行轉(zhuǎn)換
        //ActionForward actionForward = actionMapping.findForward(forward);
        //ActionForward actionForward1 = new ActionForward();
        //actionForward1.setRedirect(true);
        //actionForward1.setName(forward);
        //actionForward1.setPath(actionForward.getPath() + "?pager.offset=" +
        //                       offset);
        //=============================轉(zhuǎn)換結(jié)束=============================
        //return actionForward1;

      }
    }
    catch (Exception e) {
      session.setAttribute("errMessage", "意外錯(cuò)誤，請(qǐng)返回重試");
    }
	
	//這里是struts真正執(zhí)行轉(zhuǎn)向的地方
    return actionMapping.findForward(forward);

  }
}