selectc.java

使用java写的ERP系统,功能比较全

package crm.sales.c;

import java.io.IOException;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
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 sys.dao.ConnectManager;
import sys.dao.bean.Company;
import sys.dao.bean.Personnel;

public class SelectC extends HttpServlet
{
	private static final long serialVersionUID = 1L;

	public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
	{
		boolean p = false;
		ConnectManager cm = ConnectManager.newInstance();
//		Personnel user = (Personnel)request.getSession().getAttribute("user");
		RequestDispatcher rd = request.getRequestDispatcher("crm/c/list.jsp");
		if (cm.getConnection())
		{
			List<Company> companies = null;

			String sql = "select * from company where companystate = 'C' order by adddate desc";
			ResultSet rs = cm.executeQuery(sql);
			try
			{
				if (rs.next())
				{
					p = true;
					companies = new ArrayList<Company>();
					do
					{
						Company company = new Company();
						company.setCompanyid(rs.getInt("companyid"));
						company.setNamekeywords(rs.getString("namekeywords"));
						company.setNameparticular(rs.getString("nameparticular"));
						company.setDistrictid(rs.getInt("districtid"));
						company.setCompanyaddress(rs.getString("companyaddress"));
						company.setType(rs.getString("type"));
						company.setNeturl(rs.getString("neturl"));
						company.setCompanytype(rs.getString("companytype"));
						company.setCompanystate(rs.getString("companystate"));
						company.setAdddate(rs.getDate("adddate"));
						company.setIndate(rs.getDate("indate"));
						company.setCompanynarrate(rs.getString("companynarrate"));
						company.setPersonnelid(rs.getInt("personnelid"));
						company.setAccepterid(rs.getInt("accepterid"));
						company.setLastPersonnelid(rs.getInt("lastPersonnel"));
						company.setLastvisitdate(rs.getDate("lastvisitdate"));
						company.setVisitcount(rs.getInt("visitcount"));
						company.setIndustryid(rs.getInt("industryid"));
						companies.add(company);
					}
					while (rs.next());
				}
				rs.close();
			}
			catch (SQLException e)
			{
				e.printStackTrace();
			}
			finally
			{
				cm.close();
			}
			if (p)
			{
//				List<Company> temp = new ArrayList<Company>();
//				if (user.getDept().getDeptname().indexOf("广告")>=0)
//				{
//					for (Company company : companies)
//					{
//						if (company.getLastPersonnelid()!=0)
//						{
//							if (company.getLastPersonnel().getDept().getDeptname().indexOf("广告")>=0)
//							{
//								temp.add(company);
//							}
//						}
//					}
//				}
//				else if (user.getDept().getDeptname().indexOf("招商")>=0)
//				{
//					for (Company company : companies)
//					{
//						if (company.getLastPersonnelid()!=0)
//						{
//							if (company.getLastPersonnel().getDept().getDeptname().indexOf("招商")>=0)
//							{
//								temp.add(company);
//							}
//						}
//					}
//				}
//				companies = temp;
				// 页面数据量
				int pageSize = 15;
				// 设置当前是第一页
				int page = 1;
				// 判断是否有传参要得到第几页，同时初始化所有数据
				if (request.getParameter("page") != null)
				{
					page = new Integer(request.getParameter("page"));
				}
				// 总页面数
				int pageCount = companies.size() / pageSize + (companies.size() % pageSize == 0 ? 0 : 1);
				request.setAttribute("csize", "客户量:"+companies.size()+"&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;总页数:"+pageCount);
				// 定位当前显示页的第一行
				int currentPageFirstRow = (page - 1) * pageSize;
				// 得到当前页的数据
				List<Company> pageRows = new ArrayList<Company>();
				for (int i = currentPageFirstRow; i < currentPageFirstRow + pageSize; i++)
				{
					if (i >= companies.size())
					{
						break;
					}
					pageRows.add((Company) companies.get(i));
				}
				// 设当前页的HTML游标
				String htmlPage = "";
				if (companies.size() != 0)
				{

					if (page != 1)
					{
						htmlPage = htmlPage + "&nbsp;<a href='selectC?page=1' class='pagenum'>首页</a>";
						htmlPage = htmlPage + "&nbsp;<a href='selectC?page=" + (page - 1) + "' class='pagenum'>上一页</a>";
					}
					int i = page / 10;
					if (i == 0)
					{
						++i;
					}
					else
					{
						i *= 10;
					}
					int j = (i + 9);
					if (j > pageCount)
					{
						j = pageCount;
					}
					for (; i <= j; i++)
					{
						if (i != page)
						{
							htmlPage = htmlPage + "&nbsp;<a href='selectC?page=" + i + "' class='pagenum'>" + i + "</a>";
						}
						else
						{
							htmlPage = htmlPage + "&nbsp;" + i;
						}
					}
					if (page != pageCount)
					{
						htmlPage = htmlPage + "&nbsp;<a href='selectC?page=" + (page + 1) + "' class='pagenum'>下一页</a>";
						htmlPage = htmlPage + "&nbsp;<a href='selectC?page=" + (pageCount) + "' class='pagenum'>尾页</a>";
					}

				}
				request.setAttribute("htmlPage", htmlPage);
				request.setAttribute("pageRows", pageRows);
			}
			rd.forward(request, response);
		}
		else
		{
			request.setAttribute("error", "系统故障，请重试或联系管理员");
			request.getRequestDispatcher("/error.jsp").forward(request, response);
		}
	}
}