planclass.java

来自「实习的时候做的数字校园系统」· Java 代码 · 共 196 行

package com.xxgl.business;

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

import com.xxgl.data.DBconnection;
import com.xxgl.data.DBUtil;
import com.xxgl.bean.PlanBean;

public class Planclass {

	public int insertPlan(PlanBean Croom) {
		String sql = "insert into planTable (p_id,p_type,p_date,p_ms,t_id) values (?,?,?,?)";

		Connection con = DBconnection.getConnection();
		PreparedStatement pstmt = null;

		int count = 0;
		try {
			pstmt = con.prepareStatement(sql);

			pstmt.setInt(1, Croom.getP_id());
			pstmt.setString(2, Croom.getP_type());
			pstmt.setDate(3, Croom.getP_date());
			pstmt.setString(4, Croom.getP_ms());
			pstmt.setInt(5, Croom.getT_id());

			count = pstmt.executeUpdate();

			DBUtil.close(pstmt);
		} catch (SQLException e) {
			e.printStackTrace();
		} finally {
			DBUtil.close(con);
		}
		return count;
	}

	public int updatePlan(PlanBean Croom) {
		String sql = "update planTable set p_type=?,p_date=?,p_ms=?,t_id=? where p_id=?";

		Connection con = DBconnection.getConnection();
		PreparedStatement pstmt = null;
		int count = 0;
		try {
			pstmt = con.prepareStatement(sql);

			pstmt.setString(1, Croom.getP_type());
			pstmt.setDate(2, Croom.getP_date());
			pstmt.setString(3, Croom.getP_ms());
			pstmt.setInt(4, Croom.getT_id());
			pstmt.setInt(5, Croom.getP_id());
			
			count = pstmt.executeUpdate();
		} catch (SQLException e) {
			e.printStackTrace();
		} finally {
			DBUtil.close(pstmt);
			DBUtil.close(con);
		}

		return count;
	}

	public int deleteBy(int p_id) {
		String sql = "delete from planTable where p_id=?";

		Connection con = DBconnection.getConnection();
		PreparedStatement pstmt = null;

		int count = 0;
		try {
			pstmt = con.prepareStatement(sql);

			pstmt.setInt(1, p_id);

			count = pstmt.executeUpdate();
		} catch (SQLException e) {
			e.printStackTrace();
		} finally {
			DBUtil.close(pstmt);
			DBUtil.close(con);
		}

		return count;
	}

	public PlanBean selectPlan(int p_id) {
		String sql = "select p_id,p_type,p_date,p_ms,t_id from planTable where p_id=?";

		Connection con = DBconnection.getConnection();
		PreparedStatement pstmt = null;
		PlanBean pdBean = null;
		try {
			pstmt = con.prepareStatement(sql);

			pstmt.setInt(1, p_id);

			ResultSet rs = pstmt.executeQuery();

			if (rs.next()) {
				pdBean = new PlanBean();

				pdBean.setP_id(rs.getInt("p_id"));
				pdBean.setT_id(rs.getInt("t_id"));
				pdBean.setP_type(rs.getString("p_type"));
				pdBean.setP_date(rs.getDate("p_date"));
				pdBean.setP_ms(rs.getString("p_ms"));
				
			}
			DBUtil.close(rs);
			

		} catch (SQLException e) {
			e.printStackTrace();
		} finally {
			DBUtil.close(pstmt);
			DBUtil.close(con);
		}

		return pdBean;
	}
	
	public List selectAll() {
		String sql = "select p_id,t_id,p_type,p_date,p_ms from planTable";

		Connection con = DBconnection.getConnection();
		PreparedStatement pstmt = null;
		List list = new ArrayList();
		
		try {
			pstmt = con.prepareStatement(sql);

			ResultSet rs = pstmt.executeQuery();
			while (rs.next()) {
				PlanBean pdBean = new PlanBean();

				pdBean.setP_id(rs.getInt("p_id"));
				pdBean.setT_id(rs.getInt("t_id"));
				pdBean.setP_type(rs.getString("p_type"));
				pdBean.setP_date(rs.getDate("p_date"));
				pdBean.setP_ms(rs.getString("p_ms"));
				
				list.add(pdBean);
			}
			DBUtil.close(rs);
		} catch (SQLException e) {
			e.printStackTrace();
		} finally {
			DBUtil.close(pstmt);
			DBUtil.close(con);
		}

		return list;
	}

	
	public static void main(String[] args) {
		PlanBean bean = new PlanBean();
		 
		bean.setP_id(107);
		bean.setP_type("02");
        bean.setP_date(null);
        bean.setP_ms("asdl");
		
		Planclass bo = new Planclass();
		int count = bo.insertPlan(bean);
		System.out.println("count: " + count);
		System.out.println("p_date: " + bean.getP_id());
		
//		bean.setP_id(101);
//		Planclass bo = new Planclass();
//		int count = bo.updatePlan(bean);
//		System.out.println("count: " + count);
			
//		Planclass bo = new Planclass();
//		int count = bo.deleteBy(101);
//		System.out.println("count=" + count);
		
//		Planclass bo = new Planclass();
//		PlanBean testBean = bo.selectPlan(101);
//	    System.out.println(testBean.getP_id()+"   "+testBean.getP_type()+"   "+"p_date=" + testBean.getP_date());
		 
//		Planclass bo = new Planclass();
//		List list = bo.selectAll();
//		System.out.println("list length: " + list.size());
//		for(int i = 0; i < list.size(); i++) {
//			 PlanBean testBean = (PlanBean)list.get(i);
//			 System.out.println(testBean.getP_id()+"   "+testBean.getP_type()+"   "+testBean.getP_date());
//		}
	}
}