clientservlet.java

功能描述::::jsp实现的销售管理系统

package com.webtier;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import com.domain.ClientVO;
import com.dao.ClientDao;
import com.tool.Chinese;

public class ClientServlet
    extends HttpServlet {
  private int method;
  private ClientVO vo = null;
  private ClientDao dao = null;
  public void doGet(HttpServletRequest request, HttpServletResponse response) throws
      ServletException, IOException {
    request.setCharacterEncoding("gb2312");
    method = Integer.parseInt(request.getParameter("method"));
    vo = new ClientVO();
    dao = new ClientDao();
    switch (method) {
      case 0: {
        this.clientSelect(request, response);
        break;
      }
      case 1: {
        this.clientInsert(request, response);
        break;
      }
      case 2: {
        this.clientSelectOne(request, response);
        break;
      }
      case 3: {
        this.clientDelete(request, response);
        break;
      }
      case 4: {
        this.clientSelectUpdate(request, response);
        break;
      }
      case 5: {
        this.clientUpdate(request, response);
        break;
      }
    }
  }

  public void clientUpdate(HttpServletRequest request,
                           HttpServletResponse response) throws
      ServletException, IOException {
    vo.setId(Integer.valueOf(request.getParameter("id")));
    vo.setClient_name(request.getParameter("name"));
    vo.setClient_ptype(request.getParameter("ptype"));
    vo.setClient_type(request.getParameter("type"));
    vo.setClient_credit(request.getParameter("credit"));
    vo.setClient_content(request.getParameter("content"));
    vo.setClient_bank(request.getParameter("bank"));
    vo.setClient_bankNumber(request.getParameter("bankNumber"));
    vo.setClient_tel(request.getParameter("tel"));
    vo.setClient_contact(request.getParameter("contact"));
    vo.setClient_email(request.getParameter("email"));
    vo.setClient_address(request.getParameter("address"));
    vo.setClient_remark(request.getParameter("remark"));
    dao.clientUpdate(vo);
    request.setAttribute("success", "修改信息成功");
    RequestDispatcher requestDispatcher = request.getRequestDispatcher(
        "client/success.jsp");
    requestDispatcher.forward(request, response);
  }

  public void clientSelectUpdate(HttpServletRequest request,
                                 HttpServletResponse response) throws
      ServletException, IOException {
    String number = request.getParameter("number");
    String provinceID = Chinese.toChinese(request.getParameter("provinceID"));
    request.setAttribute("provinceID", provinceID);
    request.setAttribute("client", dao.clientSelectNumber(number));
    RequestDispatcher requestDispatcher = request.getRequestDispatcher(
        "client/updateClient.jsp");
    requestDispatcher.forward(request, response);
  }

  public void clientDelete(HttpServletRequest request,
                           HttpServletResponse response) throws
      ServletException, IOException {

    dao.clientDelete(Integer.valueOf(request.getParameter("id")));
    request.setAttribute("success", "删除信息成功");
    RequestDispatcher requestDispatcher = request.getRequestDispatcher(
        "client/success.jsp");
    requestDispatcher.forward(request, response);
  }

  public void clientSelectOne(HttpServletRequest request,
                              HttpServletResponse response) throws
      ServletException, IOException {
    String number = request.getParameter("number");
    request.setAttribute("client", dao.clientSelectNumber(number));
    RequestDispatcher requestDispatcher = request.getRequestDispatcher(
        "client/selectOneClient.jsp");
    requestDispatcher.forward(request, response);
  }

  public void clientInsert(HttpServletRequest request,
                           HttpServletResponse response) throws
      ServletException, IOException {
    String operate = request.getParameter("operate");
    String url = null;
    if (operate == null) {
      String provinceID = Chinese.toChinese(request.getParameter("provinceID"));
      request.setAttribute("provinceID", provinceID);
      url = "client/insertClient.jsp";
    }
    else {
      String number = "noNumber";
      vo.setClient_number(number);
      vo.setClient_name(request.getParameter("name"));
      vo.setClient_ptype(request.getParameter("ptype"));
      vo.setClient_type(request.getParameter("type"));
      vo.setClient_credit(request.getParameter("credit"));
      vo.setClient_content(request.getParameter("content"));
      vo.setClient_provicne(request.getParameter("provicne"));
      vo.setClient_city(request.getParameter("city"));
      vo.setClient_bank(request.getParameter("bank"));
      vo.setClient_bankNumber(request.getParameter("bankNumber"));
      vo.setClient_tel(request.getParameter("tel"));
      vo.setClient_contact(request.getParameter("contact"));
      vo.setClient_email(request.getParameter("email"));
      vo.setClient_address(request.getParameter("address"));
      vo.setClient_remark(request.getParameter("remark"));
      vo.setCreatTime(request.getParameter("creatTime"));
      dao.clientInsert(vo);
      ClientVO client = dao.clientSelectNumber(number);
      dao.clientUpdateNumber(client.getId(), number);
      request.setAttribute("success", "添加信息成功");
      url = "client/success.jsp";
    }
    RequestDispatcher requestDispatcher = request.getRequestDispatcher(url);
    requestDispatcher.forward(request, response);
  }

  public void clientSelect(HttpServletRequest request,
                           HttpServletResponse response) throws
      ServletException, IOException {



    List  list = dao.clientList();

    int pageNumber = list.size(); //计算出有多少条记录
    int maxPage = pageNumber; //计算有多少页数
    String number = request.getParameter("i");
    if (maxPage % 5 == 0) {
      maxPage = maxPage / 5;
    }
    else {
      maxPage = maxPage / 5 + 1;
    }
    if (number == null) {
      number = "0";
    }
    request.setAttribute("number", String.valueOf(number));
    request.setAttribute("maxPage", String.valueOf(maxPage));
    request.setAttribute("pageNumber", String.valueOf(pageNumber));
    request.setAttribute("list", list);

    RequestDispatcher requestDispatcher = request.getRequestDispatcher(
        "client/clientSelect.jsp");
    requestDispatcher.forward(request, response);
  }

  public void doPost(HttpServletRequest request, HttpServletResponse response) throws
      ServletException, IOException {
    doGet(request, response);
  }

}