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AfficheDao.java
Package: LibraryManage.rar [view]
Upload User: toby828
Upload Date: 2015-06-26
Package Size: 8558k
Code Size: 3k
Category:
Jsp/Servlet
Development Platform:
Java
- package com.dao;
- import java.sql.*;
- import java.util.*;
- import com.tool.JDBConnection;
- import com.tool.FinalConstants;
- import com.domain.AfficheForm;
- //对公告信息的操作
- public class AfficheDao {
- private Connection connection = null; //定义连接的对象
- private PreparedStatement ps = null; //定义预准备的对象
- private JDBConnection jdbc = null; //定义数据库连接对象
- public AfficheDao() {
- jdbc = new JDBConnection();
- connection = jdbc.connection; //利用构造方法取得数据库连接
- }
- //删除的方法
- public void deleteAffiche(Integer id) {
- try {
- ps = connection.prepareStatement(FinalConstants.affice_delete);
- ps.setInt(1, id.intValue());
- ps.executeUpdate();
- ps.close();
- }
- catch (SQLException ex) {
- }
- }
- //修改的方法
- public void updateAffiche(AfficheForm form) {
- try {
- ps = connection.prepareStatement(FinalConstants.affice_update);
- ps.setString(1, form.getName());
- ps.setString(2, form.getContent());
- ps.setInt(3, form.getId().intValue());
- ps.executeUpdate();
- ps.close();
- }
- catch (SQLException ex) {
- }
- }
- //添加的方法
- public void insertAffiche(AfficheForm form) {
- try {
- ps = connection.prepareStatement(FinalConstants.affice_insert);
- ps.setString(1, form.getName());
- ps.setString(2, form.getContent());
- ps.executeUpdate();
- ps.close();
- }
- catch (SQLException ex) {
- }
- }
- //以数据库流水号为条件查询信息
- public AfficheForm selectOneAffiche(Integer id) {
- AfficheForm affiche = null;
- try {
- ps = connection.prepareStatement(FinalConstants.affice_selectOne);
- ps.setInt(1, id.intValue());
- ResultSet rs = ps.executeQuery();
- while (rs.next()) {
- affiche = new AfficheForm();
- affiche.setId(Integer.valueOf(rs.getString(1)));
- affiche.setName(rs.getString(2));
- affiche.setContent(rs.getString(3));
- affiche.setIssueTime(rs.getString(4));
- }
- }
- catch (SQLException ex) {
- }
- return affiche;
- }
- //全部查询的方法
- public List selectAffiche() {
- List list = new ArrayList();
- AfficheForm affiche = null;
- try {
- ps = connection.prepareStatement(FinalConstants.affiche_select);
- ResultSet rs = ps.executeQuery();
- while (rs.next()) {
- affiche = new AfficheForm();
- affiche.setId(Integer.valueOf(rs.getString(1)));
- affiche.setName(rs.getString(2));
- affiche.setContent(rs.getString(3));
- affiche.setIssueTime(rs.getString(4));
- list.add(affiche);
- }
- }
- catch (SQLException ex) {
- }
- return list;
- }
- }