equipmentdao.java

oa办公管理系统。一些小型的企业办公管理用的系统。一个月废寝忘食的结果。

package com.soft.equipment.dao;

import java.sql.Connection;
import java.sql.Date;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.List;

import com.soft.pagecut.PageableResultSet;
import com.soft.pagecut.pageable;
import com.soft.util.DBConn;
import com.soft.vo.EquipmentInfo;
import com.soft.vo.MeetroomInfo;

public class EquipmentDAO {

	

	private DBConn tj = new DBConn();
	private Connection conn = null; 
	private Statement st = null;
	private PreparedStatement ps = null;
	private ResultSet rs = null;
	private pageable res=null;
	int PageCount;
	int rowsCount;
	int PageRowsCount;
	
	int PageSize;
	int CurPage;
	public int getPageCount() {
		return PageCount;
	}

	

	public int getPageRowsCount() {
		return PageRowsCount;
	}

	

	public int getPageSize() {
		return PageSize;
	}

	public void setPageSize(int pageSize) {
		PageSize = pageSize;
	}

	public int getCurPage() {
		return CurPage;
	}

	public int getRowsCount() {
		return rowsCount;
	}

	public void setCurPage(int curPage) {
		CurPage = curPage;
	}
	public List getUncheckApp()
	{
		List<EquipmentInfo> lt = new ArrayList<EquipmentInfo>();
		try {
			conn=tj.getConnection();
			conn.setAutoCommit(false);
			st=conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_UPDATABLE);
	        res=new PageableResultSet(st.executeQuery("select a.equipmentid,eq.equipmentname,em.name,a.borrowtime,a.return-a.borrowtime,a.isauthorized from applyequipment a,equipment eq,employee em where a.equipmentid=eq.equipmentid and a.applicant =em.employeeid and isauthorized=0"));//构造一个Pageable
			res.setPageSize(5);//每页5个记录
            
			System.out.println("pagetcount:"+res.getPageCount()+"rowscount:"+res.getRowsCount()+"pagesize:"+res.getPageSize());
			res.gotoPage(getCurPage());//跳转到第n页
			PageCount=res.getPageCount();
			rowsCount=res.getRowsCount();
			PageRowsCount=res.getPageRowsCount();
			System.out.println("current page:"+res.getCurPage());
			for(int i=0; i<res.getPageRowsCount(); i++)
			
			{
			    EquipmentInfo emp = new EquipmentInfo();
			    String iscanapplystr="否";
				int equipmentid=res.getInt("equipmentid");
				String equipmentname=res.getString("equipmentname");
				String applicant = res.getString("name");
				Date borrowtime=res.getDate("borrowtime");
				String applyday=res.getString(5);
				System.out.println("day:"+applyday);
                int isauthorized=res.getInt("isauthorized");
				
					emp.setEquipmentid(equipmentid);
					emp.setEquipmentname(equipmentname);
					emp.setApplicant(applicant);
					emp.setBorrowtime(borrowtime);
					emp.setApplyday(applyday);
					
				
				lt.add(emp);
				res.next();
			}
			System.out.println(lt.size());
		    conn.commit();
		} catch (SQLException e) {
			
			try {
				if(conn!=null)
				{
					conn.rollback();//事务回滚
				}
			} catch (SQLException e1) {
				
				e1.printStackTrace();
			}
			e.printStackTrace();
		}
		finally
		{
			try {
				if(conn!=null)
				{
					conn.close();
				}
				if(ps!=null)
				{
					ps.close();
				}
				if(rs!=null)
				{
					rs.close();
				}
			} catch (SQLException e) {
				e.printStackTrace();
			}
		}
		return lt;
	}
	public int addNewEquip(int equipmentid,String equipmentname)
	{
		int i = 0;
		int isdamaged=0;
		int isrepairing=0;
		int iscanborrow=0;
		try {
			conn = tj.getConnection();
			conn.setAutoCommit(false);
			
			ps = conn.prepareStatement("insert  into equipment values("+equipmentid+",'"+equipmentname+"',"+isdamaged+","+isrepairing+","+iscanborrow+")");
		
			i = ps.executeUpdate();
		    conn.commit();
		} catch (SQLException e) {
			
			try {
				if(conn!=null)
				{
					conn.rollback();//事务回滚
				}
			} catch (SQLException e1) {
				
				e1.printStackTrace();
			}
			e.printStackTrace();
		}
		finally
		{
			try {
				if(conn!=null)
				{
					conn.close();
				}
				if(ps!=null)
				{
					ps.close();
				}
				if(rs!=null)
				{
					rs.close();
				}
			} catch (SQLException e) {
				e.printStackTrace();
			}
		}
		return i;
	}
	public int updateEquip(int equipmentid)
	{
		int i = 0;
		int isauthorized=1;
		try {
			conn = tj.getConnection();
			conn.setAutoCommit(false);
			ps = conn.prepareStatement("update  applyequipment set isauthorized=? where equipmentid=?");
			ps.setInt(1,isauthorized);
			ps.setInt(2,equipmentid);
			i = ps.executeUpdate();
		    conn.commit();
		} catch (SQLException e) {
			
			try {
				if(conn!=null)
				{
					conn.rollback();//事务回滚
				}
			} catch (SQLException e1) {
				
				e1.printStackTrace();
			}
			e.printStackTrace();
		}
		finally
		{
			try {
				if(conn!=null)
				{
					conn.close();
				}
				if(ps!=null)
				{
					ps.close();
				}
				if(rs!=null)
				{
					rs.close();
				}
			} catch (SQLException e) {
				e.printStackTrace();
			}
		}
		return i;
	}
	
}