【javaWeb技术】专栏专用脚手架

package com.example.service; import cn.hutool.core.util.ObjectUtil; import com.example.common.Constants; import com.example.common.enums.ResultCodeEnum; import com.example.common.enums.RoleEnum; import com.example.entity.Account; import com.example.entity.Admin; import com.example.exception.CustomException; import com.example.mapper.AdminMapper; import com.example.utils.TokenUtils; import com.github.pagehelper.PageHelper; import com.github.pagehelper.PageInfo; import org.springframework.beans.BeanUtils; import org.springframework.stereotype.Service; import javax.annotation.Resource; import java.util.List; /** * 管理员业务处理 **/ @Service public class AdminService { @Resource private AdminMapper adminMapper; /** * 新增 */ public void add(Admin admin) { Admin dbAdmin = adminMapper.selectByUsername(admin.getUsername()); if (ObjectUtil.isNotNull(dbAdmin)) { throw new CustomException(ResultCodeEnum.USER_EXIST_ERROR); } if (ObjectUtil.isEmpty(admin.getPassword())) { admin.setPassword(Constants.USER_DEFAULT_PASSWORD); } if (ObjectUtil.isEmpty(admin.getName())) { admin.setName(admin.getUsername()); } admin.setRole(RoleEnum.ADMIN.name()); adminMapper.insert(admin); } /** * 删除 */ public void deleteById(Integer id) { adminMapper.deleteById(id); } /** * 批量删除 */ public void deleteBatch(List<Integer> ids) { for (Integer id : ids) { adminMapper.deleteById(id); } } /** * 修改 */ public void updateById(Admin admin) { adminMapper.updateById(admin); } /** * 根据ID查询 */ public Admin selectById(Integer id) { return adminMapper.selectById(id); } /** * 查询所有 */ public List<Admin> selectAll(Admin admin) { return adminMapper.selectAll(admin); } /** * 分页查询 */ public PageInfo<Admin> selectPage(Admin admin, Integer pageNum, Integer pageSize) { PageHelper.startPage(pageNum, pageSize); List<Admin> list = adminMapper.selectAll(admin); return PageInfo.of(list); } /** * 登录 */ public Account login(Account account) { Account dbAdmin = adminMapper.selectByUsername(account.getUsername()); if (ObjectUtil.isNull(dbAdmin)) { throw new CustomException(ResultCodeEnum.USER_NOT_EXIST_ERROR); } if (!account.getPassword().equals(dbAdmin.getPassword())) { throw new CustomException(ResultCodeEnum.USER_ACCOUNT_ERROR); } // 生成token String tokenData = dbAdmin.getId() + "-" + RoleEnum.ADMIN.name(); String token = TokenUtils.createToken(tokenData, dbAdmin.getPassword()); dbAdmin.setToken(token); return dbAdmin; } /** * 注册 */ public void register(Account account) { Admin admin = new Admin(); BeanUtils.copyProperties(account, admin); add(admin); } /** * 修改密码 */ public void updatePassword(Account account) { Admin dbAdmin = adminMapper.selectByUsername(account.getUsername()); if (ObjectUtil.isNull(dbAdmin)) { throw new CustomException(ResultCodeEnum.USER_NOT_EXIST_ERROR); } if (!account.getPassword().equals(dbAdmin.getPassword())) { throw new CustomException(ResultCodeEnum.PARAM_PASSWORD_ERROR); } dbAdmin.setPassword(account.getNewPassword()); adminMapper.updateById(dbAdmin); } }