java开发基于springboot+vue+mybatis的学生成绩管理系统源码.zip

package com.js.studentmanagerspringboot.service.impl; import cn.hutool.core.bean.BeanUtil; import com.js.studentmanagerspringboot.common.Constants; import com.js.studentmanagerspringboot.dto.UserDto; import com.js.studentmanagerspringboot.entity.Menu; import com.js.studentmanagerspringboot.entity.User; import com.js.studentmanagerspringboot.exception.ServiceException; import com.js.studentmanagerspringboot.mapper.RoleMapper; import com.js.studentmanagerspringboot.mapper.RoleMenuMapper; import com.js.studentmanagerspringboot.mapper.UserMapper; import com.js.studentmanagerspringboot.service.UserService; import com.js.studentmanagerspringboot.utils.TokenUtils; import org.springframework.stereotype.Service; import javax.annotation.Resource; import java.util.ArrayList; import java.util.List; @Service public class UserServiceImpl implements UserService { @Resource private UserMapper userMapper; @Resource private RoleMapper roleMapper; @Resource private MenuServiceImpl menuService; // 关系表 @Resource private RoleMenuMapper roleMenuMapper; @Override // 查询全部对象 public UserDto select(UserDto userDto) { List<User> userList = userMapper.select(); // 查询user表全部数据 逐一判断 if (userList!=null){ for (User user : userList) { if (user.getUsername().equals(userDto.getUsername()) && user.getPassword().equals(userDto.getPassword())){ // 将user1对象 往userDao对象复制 // true:忽略大小写 BeanUtil.copyProperties(user,userDto,true); // 将登录用户信息的userid和password设置为token的载荷和标志 String token = TokenUtils.genToken( user.getId().toString(),user.getPassword()); // 将token封装进实体类 userDto.setToken(token); // 获取登录用户的角色 String role = userDto.getRole(); // 获取当前角色对应的菜单 List<Menu> roleMenus = getRoleMenus(role); userDto.setMenus(roleMenus); return userDto; } } } // 说明没有找到对应用户信息 throw new ServiceException(Constants.CODE_500,"用户名或密码错误!!"); } @Override public User register(UserDto userDto){ User registerUser = new User(); // 查询user表全部数据 逐一判断 if (userMapper.select()!=null){ for (User user : userMapper.select()) { if (!(user.getUsername().equals(userDto.getUsername()))){ // 说明用户名并没有相同 可以进行插入 BeanUtil.copyProperties(userDto,registerUser,true); userMapper.register(registerUser); return registerUser; } } } throw new ServiceException(Constants.CODE_500,"用户已存在!!"); } // 修改用户信息 @Override public User edit(UserDto userDto) { User user = new User(); // 将接受实体类copy到user对象 BeanUtil.copyProperties(userDto,user,true); Integer edit = userMapper.edit(user); if (edit == null){ throw new ServiceException(Constants.CODE_600,"信息修改失败"); } return user; } // 根据username进行查询 @Override public User selectByName(String username) { if (username!=null){ return userMapper.selectByName(username); }else { throw new ServiceException(Constants.CODE_500,"查询失败"); } } // 根据id查询 @Override public User selectById(Integer id) { User user = userMapper.selectById(id); return user; } @Override public void deleteById(int id) { userMapper.deleteById(id); } @Override public void deleteByIds(List<Integer> ids) { userMapper.deleteByIds(ids); } @Override public List<User> selectPage(Integer pageNum, Integer pageSize, String inputUserName) { int currentPage= (pageNum-1)*pageSize; return userMapper.selectPage(currentPage, pageSize,inputUserName); } @Override public Integer selectTotal(String inputUserName) { return userMapper.selectTotal(inputUserName); } // 获取当前角色菜单列表 private List<Menu> getRoleMenus(String key){ Integer roleId = roleMapper.selectByKey(key); // 当前角色对应的所有菜单 List<Integer> menuIds = roleMenuMapper.selectByRoleId(roleId); // 查询系统所有的菜单 List<Menu> menus = menuService.findMenus(""); // 筛选完成之后的list List<Menu> roleMenuList = new ArrayList<>(); // 筛选当前用户角色的菜单 // 首先遍历所有菜单 for (Menu menu : menus) { // 查询menu是否在用户角色对应的menuIds里面 if (menuIds.contains(menu.getId())){ // 存在保存在集合里面 roleMenuList.add(menu); } // 获取子菜单 List<Menu> childrenList = menu.getChildren(); // 如果菜单不在用户对应的菜单选项里面 则移除 childrenList.removeIf(child -> !menuIds.contains(child.getId())); } return roleMenuList; } }