mcinfoservlet.java

电子商城

package com.lmh.servlet.admin;

import java.io.IOException;
import java.util.List;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.lmh.dao.impl.OracleMcDAO;
import com.lmh.dao.impl.OracleMcTypeDAO;
import com.lmh.dao.vo.McBean;

public class McInfoServlet extends HttpServlet {

	/**
	 * The doGet method of the servlet. <br>
	 * 
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request
	 *            the request send by the client to the server
	 * @param response
	 *            the response send by the server to the client
	 * @throws ServletException
	 *             if an error occurred
	 * @throws IOException
	 *             if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		int maxid = -1;
		int minid = -1;
		String sname = null;
		int pastart = -1;
		int paend = -1;
		int countAll = 0;
		int curPage = 1;
		int totalPage = 0;
		int pagesize = 0;
		double ptrstart = -1;
		double ptrend = -1;
		int nid = -1;
		String smctag = "";

		OracleMcDAO mcDao = new OracleMcDAO();
		OracleMcTypeDAO mcTypeDao = new OracleMcTypeDAO();

		String action = request.getParameter("action");

		try {
			smctag = request.getParameter("smctag");
		} catch (Exception en) {

		}

		try {
			nid = Integer.parseInt(request.getParameter("mcID"));
		} catch (Exception en) {

		}
		try {
			ptrstart = Integer.parseInt(request.getParameter("ptrstart"));
		} catch (Exception en) {

		}
		try {
			ptrend = Integer.parseInt(request.getParameter("ptrend"));
		} catch (Exception en) {

		}
		try {
			maxid = Integer.parseInt(request.getParameter("maxid"));
		} catch (Exception en) {

		}
		try {
			minid = Integer.parseInt(request.getParameter("minid"));
		} catch (Exception en) {

		}
		try {
			sname = request.getParameter("sname");
		} catch (Exception en) {

		}
		try {
			curPage = Integer.parseInt(request.getParameter("curPage"));
		} catch (Exception en) {

		}
		try {
			pagesize = Integer.parseInt(this.getServletConfig()
					.getInitParameter("pagesize"));
		} catch (Exception en) {

		}
		pastart = (curPage - 1) * pagesize + 1;
		paend = curPage * pagesize;

		/**
		 * 符合条件的总记录数
		 */
		countAll = mcDao.getCount(sname, ptrstart, ptrend, maxid, minid);
		totalPage = (countAll - 1) / pagesize + 1;

		request.setAttribute("countAll", countAll);
		request.setAttribute("curPage", curPage);
		request.setAttribute("totalPage", totalPage);

		List mcTypeList = mcTypeDao.searchMcType(-1, null);
		request.setAttribute("mcTypeList", mcTypeList);

		if (action != null && action.equals("delete")) {
			mcDao.deleteMc(nid);
		} else if (action != null && action.equals("update")) {
			if (nid != -1) {
				McBean mcBean = new McBean();
				mcBean.setNid(nid);
				if (smctag.equals("是")) {
					mcBean.setSmctag("1");
				} else if(smctag.equals("否")){
					mcBean.setSmctag("0");
				}
				mcDao.updateMc(mcBean);
				countAll = mcDao.getCount();
			}
		}

		List mcList = mcDao.selectMc(-1, sname, ptrstart, ptrend, maxid, minid,
				pastart, paend);
		request.setAttribute("mcList", mcList);

		RequestDispatcher rd = null;
		rd = request.getRequestDispatcher("/admin/mcManager/mcInfo.jsp");
		rd.forward(request, response);

	}

}