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ManagerDao.java
Package: LibraryManage.rar [view]
Upload User: toby828
Upload Date: 2015-06-26
Package Size: 8558k
Code Size: 4k
Category:
Jsp/Servlet
Development Platform:
Java
- package com.dao;
- import java.sql.*;
- import java.util.*;
- import com.domain.ManagerForm;
- import com.tool.JDBConnection;
- import com.tool.FinalConstants;
- //对管理员的操作
- public class ManagerDao {
- 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 ManagerDao() {
- jdbc = new JDBConnection();
- connection = jdbc.connection; //利用构造方法取得数据库连接
- }
- //对管理员表的查询方法
- public void insertManager(ManagerForm form) {
- try {
- ps = connection.prepareStatement(FinalConstants.manager_insert);
- ps.setString(1, form.getAccount());
- ps.setString(2, form.getPassword());
- ps.setString(3, form.getName());
- ps.setInt(4, 0);
- ps.executeUpdate();
- ps.close();
- }
- catch (SQLException ex) {
- }
- }
- //修改管理员密码的方法
- public void updateManagerPassword(ManagerForm form) {
- try {
- ps = connection.prepareStatement(FinalConstants.manager_updatePassword);
- ps.setString(1, form.getPassword());
- ps.setString(2,form.getAccount());
- ps.executeUpdate();
- ps.close();
- }
- catch (SQLException ex) {
- }
- }
- //修改管理员的方法
- public void updateManager(ManagerForm form) {
- try {
- ps = connection.prepareStatement(FinalConstants.manager_update);
- ps.setString(1,form.getAccount());
- ps.setString(2, form.getPassword());
- ps.setString(3,form.getName());
- ps.setInt(4, form.getId().intValue());
- ps.executeUpdate();
- ps.close();
- }
- catch (SQLException ex) {
- }
- }
- //删除管理员的操作
- public void deleteManager(Integer id) {
- try {
- ps = connection.prepareStatement(FinalConstants.manager_delete);
- ps.setInt(1, id.intValue());
- ps.executeUpdate();
- ps.close();
- }
- catch (SQLException ex) {
- }
- }
- //查询全部管理员的信息
- public List selectManager() {
- List list = new ArrayList();
- ManagerForm manager = null;
- try {
- ps = connection.prepareStatement(FinalConstants.manager_select);
- ResultSet rs = ps.executeQuery();
- while (rs.next()) {
- manager = new ManagerForm();
- manager.setId(Integer.valueOf(rs.getString(1)));
- manager.setAccount(rs.getString(2));
- manager.setPassword(rs.getString(3));
- manager.setName(rs.getString(4));
- manager.setSigh(Integer.valueOf(rs.getString(5)));
- list.add(manager);
- }
- }
- catch (SQLException ex) {
- }
- return list;
- }
- //以管理员账号为条件查询管理员信息
- public ManagerForm selectOne(String account) {
- ManagerForm manager = null;
- try {
- ps = connection.prepareStatement(FinalConstants.manager_selectPassword);
- ps.setString(1, account);
- ResultSet rs = ps.executeQuery();
- while (rs.next()) {
- manager = new ManagerForm();
- manager.setId(Integer.valueOf(rs.getString(1)));
- manager.setAccount(rs.getString(2));
- manager.setPassword(rs.getString(3));
- manager.setName(rs.getString(4));
- manager.setSigh(Integer.valueOf(rs.getString(5)));
- }
- }
- catch (SQLException ex) {
- }
- return manager;
- }
- //以管理员账号查询管理员密码
- public String selectPassword(String account) {
- String password = "";
- try {
- ps = connection.prepareStatement(FinalConstants.manager_selectPassword);
- ps.setString(1, account);
- ResultSet rs = ps.executeQuery();
- while (rs.next()) {
- password = rs.getString("password");
- ps.close();
- }
- }
- catch (SQLException ex) {
- }
- return password;
- }
- }