deptinfodao.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.deptmgr.dao;

import java.sql.Connection;
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.DepartmentInfo;

public class DeptInfoDAO {
	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 getAllDepts()
	{
		List<DepartmentInfo> lt = new ArrayList<DepartmentInfo>();
		try {
			conn=tj.getConnection();
			conn.setAutoCommit(false);
			st=conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_UPDATABLE);
			res=new PageableResultSet(st.executeQuery("select * from department"));//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2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++)
			
			{
			    DepartmentInfo dept = new DepartmentInfo();
				int departmentid=res.getInt("departmentid");
				String departmentname=res.getString("departmentname");
				dept.setDepartmentid(departmentid);
				dept.setDepartmentname(departmentname);
				lt.add(dept);
				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 addNewDept(int departmentid,String departmentname,int leader,String officephone)
	{
		int i = 0;
		int numberofpeople=0;
		try {
			conn = tj.getConnection();
			conn.setAutoCommit(false);
			System.out.println("insert  into department values("+departmentid+",'"+departmentname+"',"+leader+","+numberofpeople+",'"+officephone+"')");
			ps = conn.prepareStatement("insert  into department values("+departmentid+",'"+departmentname+"',"+leader+","+numberofpeople+",'"+officephone+"')");
		
			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 updateDept(int departmentid,String departmentname,int leader,String officephone )
	{
		int i = 0;
		
		try {
			conn = tj.getConnection();
			conn.setAutoCommit(false);
			ps = conn.prepareStatement("update  department set departmentname=?,leader=? ,officephone=?where departmentid=?");
			ps.setString(1,departmentname);
			ps.setInt(2,leader);
			ps.setString(3,officephone);
			ps.setInt(4,departmentid);
			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 delDept(int departmentid)
	{
		int i = 0;
		try {
			conn = tj.getConnection();
			conn.setAutoCommit(false);
			
			ps = conn.prepareStatement("delete from department where departmentid=?");
			ps.setInt(1,departmentid);
			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 List searchDept(int departmentid)
	{
		List<DepartmentInfo> lt = new ArrayList<DepartmentInfo>();
		try {
			conn=tj.getConnection();
			conn.setAutoCommit(false);
			String sql = "select * from department where departmentid=?";
			ps = conn.prepareStatement(sql);
			ps.setInt(1,departmentid);
			/*if(userName!=null&&!userName.equals(""))
			{
				sql += "and u.username like ?";
			}
			if(userNo!=null&&!userNo.equals(""))
			{
				sql +=" and u.userno=?";
			}
			ps = conn.prepareStatement(sql);
			if(userName!=null&&!userName.equals(""))
			{
				ps.setString(1,"%"+userName+"%");
				if(userNo!=null&&!userNo.equals(""))
				{
					ps.setInt(2,Integer.parseInt(userNo));
				}
			}
			else
			{
				if(userNo!=null&&!userNo.equals(""))
				{
					ps.setInt(1,Integer.parseInt(userNo));
				}
			}*/
			rs = ps.executeQuery();
			while(rs.next())
			{
				DepartmentInfo dif = new DepartmentInfo();
				int departmentid1=rs.getInt("departmentid");
				String departmentname=rs.getString("departmentname");
				int leader=rs.getInt("leader");
				String officephone=rs.getString("officephone");
				dif.setDepartmentid(departmentid1);
				dif.setDepartmentname(departmentname);
				dif.setLeader(leader);
				dif.setOfficephone(officephone);
				lt.add(dif);
			}
			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;
	}
}