bangke小项目 练手

package com.example.layuidemo.service; import com.example.layuidemo.entity.Role; import com.example.layuidemo.entity.User; import com.example.layuidemo.entity.vo.UserVo; import com.example.layuidemo.mapper.UserMapper; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.security.core.userdetails.UserDetails; import org.springframework.security.core.userdetails.UserDetailsService; import org.springframework.security.core.userdetails.UsernameNotFoundException; import org.springframework.security.crypto.password.PasswordEncoder; import org.springframework.stereotype.Service; import javax.annotation.Resource; import java.math.BigDecimal; import java.util.ArrayList; import java.util.Date; import java.util.List; @Service public class UserServiceImpl implements UserDetailsService,UserService { @Resource UserMapper userMapper; @Resource RoleService roleService; @Resource PasswordEncoder passwordEncoder; @Override public UserDetails loadUserByUsername(String s) throws UsernameNotFoundException { User user = userMapper.loadUserByUsername(s); if(user==null){ throw new UsernameNotFoundException("用户名不存在"); } user.setRoles(userMapper.getUserRolesByUid(user.getId())); return user; } @Override public List<Role> getUserRolesByUid(int uid) { return userMapper.getUserRolesByUid(uid); } @Override public List<User> getAllUser() { List<User> users = userMapper.getAllUser(); /** * user对象 * java.lang.NullPointerException: null * at com.example.layuidemo.entity.User.getAuthorities(User.java:133) ~[classes/:na] * at com.alibaba.fastjson.serializer.ASMSerializer_1_User.write(Unknown Source) ~[na:na] */ for (int i=0;i<users.size();i++){ List<Role> roles = userMapper.getUserRolesByUid(users.get(i).getId()); users.get(i).setRoles(roles); } return users; } @Override public User getUserById(Integer id) { return userMapper.getUserById(id); } @Override public int updateUser(User user) { return userMapper.updateUser(user); } @Override public int deleteUser(int[] ids) { return userMapper.deleteUser(ids); } @Override public int addUser(String username,String password,String[] roles,String open) { User user = new User(); user.setUsername(username); user.setPassword(passwordEncoder.encode(password)); user.setCreateBy(16); user.setModifyBy(16); user.setCreateDate(new Date()); user.setModifyDate(new Date()); user.setAmount(new BigDecimal(11000)); if(open.equals("on")){ user.setIsenable(1); user.setIslocked(1); }else{ user.setIsenable(0); user.setIslocked(0); } int result = userMapper.addUser(user); if(result>0){ int userId = userMapper.getUidByName(user.getUsername()); for (int i=0;i<roles.length;i++){ roleService.addUserRole(userId,Integer.parseInt(roles[i])); } } return result; } @Override public int getCount() { return userMapper.getCount(); } @Override public String getUserNameById(int id) { return userMapper.getUserNameById(id); } @Override public int updateaMount(BigDecimal mount, Integer id) { return userMapper.updateaMount(mount, id); } @Override public List<User> getAllBangKe() { return userMapper.getAllBangKe(); } @Override public List<UserVo> getAllUserVo(List<User> users) { List<UserVo> userVos = new ArrayList<>(); for (int i=0;i<users.size();i++){ User user = users.get(i); int createById = user.getCreateBy(); String createBy = userMapper.getUserNameById(createById); int modifyById = user.getModifyBy(); String modifyByIdBy = userMapper.getUserNameById(modifyById); String enale = "可以使用"; String lock = "未被锁定"; if(user.getIsenable()!=1){ enale = "不可使用"; } if(user.getIslocked()!=1){ lock = "已被锁定"; } String roles = ""; List<Role> roleList = user.getRoles(); for(int j = 0;j<roleList.size();j++){ roles+=roleList.get(j).getRoleNameZH(); } UserVo userVo = new UserVo(user.getId(),user.getUsername(), user.getPassword(),user.getAmount(),enale,lock,user.getCreateDate(), user.getModifyDate(),createBy,modifyByIdBy,roles); userVos.add(userVo); } return userVos; } }