ADD file via upload

blogserver/src/main/java/org/sang/service/UserService.java

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+package org.sang.service;
+
+import org.sang.bean.Role;
+import org.sang.bean.User;
+import org.sang.mapper.RolesMapper;
+import org.sang.mapper.UserMapper;
+import org.sang.utils.Util;
+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 org.springframework.transaction.annotation.Transactional;
+
+import java.util.List;
+
+
+@Service
+@Transactional
+public class UserService implements UserDetailsService {
+    @Autowired
+    UserMapper userMapper;
+    @Autowired
+    RolesMapper rolesMapper;
+    @Autowired
+    PasswordEncoder passwordEncoder;
+
+    @Override
+    public UserDetails loadUserByUsername(String s) throws UsernameNotFoundException {
+        User user = userMapper.loadUserByUsername(s);
+        if (user == null) {
+            //避免返回null，这里返回一个不含有任何值的User对象，在后期的密码比对过程中一样会验证失败
+            return new User();
+        }
+        //查询用户的角色信息，并返回存入user中
+        List<Role> roles = rolesMapper.getRolesByUid(user.getId());
+        user.setRoles(roles);
+        return user;
+    }
+
+    /**
+     * @param user
+     * @return 0表示成功
+     * 1表示用户名重复
+     * 2表示失败
+     */
+    public int reg(User user) {
+        User loadUserByUsername = userMapper.loadUserByUsername(user.getUsername());
+        if (loadUserByUsername != null) {
+            return 1;
+        }
+        //插入用户,插入之前先对密码进行加密
+        user.setPassword(passwordEncoder.encode(user.getPassword()));
+        user.setEnabled(true);//用户可用
+        long result = userMapper.reg(user);
+        //配置用户的角色，默认都是普通用户
+        String[] roles = new String[]{"2"};
+        int i = rolesMapper.addRoles(roles, user.getId());
+        boolean b = i == roles.length && result == 1;
+        if (b) {
+            return 0;
+        } else {
+            return 2;
+        }
+    }
+
+    public int updateUserEmail(String email) {
+        return userMapper.updateUserEmail(email, Util.getCurrentUser().getId());
+    }
+
+    public List<User> getUserByNickname(String nickname) {
+        List<User> list = userMapper.getUserByNickname(nickname);
+        return list;
+    }
+
+    public List<Role> getAllRole() {
+        return userMapper.getAllRole();
+    }
+
+    public int updateUserEnabled(Boolean enabled, Long uid) {
+        return userMapper.updateUserEnabled(enabled, uid);
+    }
+
+    public int deleteUserById(Long uid) {
+        return userMapper.deleteUserById(uid);
+    }
+
+    public int updateUserRoles(Long[] rids, Long id) {
+        int i = userMapper.deleteUserRolesByUid(id);
+        return userMapper.setUserRoles(rids, id);
+    }
+
+    public User getUserById(Long id) {
+        return userMapper.getUserById(id);
+    }
+}