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@ -1,3 +1,4 @@
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```java
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package com.cn.service.impl;
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import java.sql.SQLException;
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@ -9,92 +10,124 @@ import com.cn.domain.Admin;
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import com.cn.service.AdminService;
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/**
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* @description
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* @author lxs
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* @version 1.0
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* @since 1.0
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* @date 2019年9月13日
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* 实现AdminService接口,提供管理员相关的业务逻辑处理。
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*/
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public class AdminServiceImpl implements AdminService {
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private AdminDao adminDao = null;
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private AdminDao adminDao = null; // 声明AdminDao类型的变量,用于数据库操作
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public AdminServiceImpl(AdminDao adminDao) {
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this.adminDao = adminDao;
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}
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/**
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* 通过构造函数注入AdminDao对象。
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* @param adminDao AdminDao对象
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*/
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public AdminServiceImpl(AdminDao adminDao) {
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this.adminDao = adminDao;
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}
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public AdminServiceImpl() {
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}
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/**
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* 默认无参构造函数。
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*/
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public AdminServiceImpl() {
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}
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@Override
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public int addAdmin(Admin admin) {
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int status = 0;
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adminDao = new AdminDaoImpl();
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try {
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status = adminDao.add(admin);
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} catch (SQLException e) {
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e.printStackTrace();
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}
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return status;
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}
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/**
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* 添加管理员。
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* @param admin 管理员对象
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* @return 操作状态码,0表示成功
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*/
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@Override
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public int addAdmin(Admin admin) {
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int status = 0; // 状态码,默认为0
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adminDao = new AdminDaoImpl(); // 实例化AdminDao对象
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try {
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status = adminDao.add(admin); // 调用add方法添加管理员
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} catch (SQLException e) {
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e.printStackTrace(); // 打印异常堆栈信息
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}
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return status; // 返回操作状态码
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}
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@Override
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public int deleteAdmin(int adminId) {
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int status = 0;
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adminDao = new AdminDaoImpl();
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try {
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status = adminDao.delete(adminId);
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} catch (SQLException e) {
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e.printStackTrace();
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}
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return status;
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}
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/**
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* 根据ID删除管理员。
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* @param adminId 管理员ID
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* @return 操作状态码,0表示成功
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*/
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@Override
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public int deleteAdmin(int adminId) {
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int status = 0; // 状态码,默认为0
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adminDao = new AdminDaoImpl(); // 实例化AdminDao对象
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try {
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status = adminDao.delete(adminId); // 调用delete方法删除管理员
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} catch (SQLException e) {
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e.printStackTrace(); // 打印异常堆栈信息
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}
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return status; // 返回操作状态码
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}
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@Override
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public int updateAdmin(Admin admin) {
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int status = 0;
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adminDao = new AdminDaoImpl();
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try {
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status = adminDao.update(admin);
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} catch (SQLException e) {
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e.printStackTrace();
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}
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return status;
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}
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/**
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* 更新管理员信息。
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* @param admin 管理员对象
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* @return 操作状态码,0表示成功
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*/
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@Override
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public int updateAdmin(Admin admin) {
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int status = 0; // 状态码,默认为0
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adminDao = new AdminDaoImpl(); // 实例化AdminDao对象
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try {
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status = adminDao.update(admin); // 调用update方法更新管理员信息
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} catch (SQLException e) {
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e.printStackTrace(); // 打印异常堆栈信息
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}
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return status; // 返回操作状态码
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}
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@Override
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public List<Admin> getAllAdmin() {
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List<Admin> list = null;
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adminDao = new AdminDaoImpl();
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try {
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list = adminDao.getAll();
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} catch (SQLException e) {
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e.printStackTrace();
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}
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return list;
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}
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/**
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* 获取所有管理员信息。
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* @return 管理员列表
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*/
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@Override
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public List<Admin> getAllAdmin() {
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List<Admin> list = null; // 管理员列表,默认为null
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adminDao = new AdminDaoImpl(); // 实例化AdminDao对象
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try {
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list = adminDao.getAll(); // 调用getAll方法获取所有管理员信息
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} catch (SQLException e) {
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e.printStackTrace(); // 打印异常堆栈信息
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}
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return list; // 返回管理员列表
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}
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@Override
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public Admin getAdminById(int adminId) {
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Admin admin = null;
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adminDao = new AdminDaoImpl();
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try {
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admin = adminDao.getById(adminId);
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} catch (SQLException e) {
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e.printStackTrace();
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}
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return admin;
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}
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@Override
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public Admin getAdminByName(String userName) {
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Admin admin = null;
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adminDao = new AdminDaoImpl();
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try {
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admin = adminDao.getByName(userName);
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} catch (SQLException e) {
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e.printStackTrace();
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}
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return admin;
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}
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/**
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* 根据ID获取管理员信息。
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* @param adminId 管理员ID
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* @return 管理员对象
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*/
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@Override
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public Admin getAdminById(int adminId) {
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Admin admin = null; // 管理员对象,默认为null
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adminDao = new AdminDaoImpl(); // 实例化AdminDao对象
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try {
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admin = adminDao.getById(adminId); // 调用getById方法根据ID获取管理员信息
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} catch (SQLException e) {
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e.printStackTrace(); // 打印异常堆栈信息
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}
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return admin; // 返回管理员对象
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}
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/**
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* 根据用户名获取管理员信息。
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* @param userName 用户名
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* @return 管理员对象
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*/
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@Override
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public Admin getAdminByName(String userName) {
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Admin admin = null; // 管理员对象,默认为null
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adminDao = new AdminDaoImpl(); // 实例化AdminDao对象
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try {
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admin = adminDao.getByName(userName); // 调用getByName方法根据用户名获取管理员信息
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} catch (SQLException e) {
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e.printStackTrace(); // 打印异常堆栈信息
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}
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return admin; // 返回管理员对象
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}
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}
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```
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