服务层重构与优化：补全所有ServiceImpl实现类，修复RestTemplate注入，完善DTO与配置，保证编译与启动通过

backend-single/src/main/java/com/emotion/service/impl/UserServiceImpl.java

@@ -1,7 +1,6 @@
 package com.emotion.service.impl;
 
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
-import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
@@ -9,7 +8,6 @@ import com.emotion.common.BasePageRequest;
 import com.emotion.entity.User;
 import com.emotion.mapper.UserMapper;
 import com.emotion.service.UserService;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.stereotype.Service;
 import org.springframework.util.StringUtils;
@@ -21,13 +19,16 @@ import java.util.List;
  * 用户服务实现类
  * 
  * @author emotion-museum
- * @date 2025-07-23
+ * @date 2025-07-24
  */
 @Service
 public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements UserService {
 
-    @Autowired
-    private PasswordEncoder passwordEncoder;
+    private final PasswordEncoder passwordEncoder;
+
+    public UserServiceImpl(PasswordEncoder passwordEncoder) {
+        this.passwordEncoder = passwordEncoder;
+    }
 
     @Override
     public IPage<User> getPage(BasePageRequest request) {
@@ -37,9 +38,8 @@ public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements Us
         // 关键词搜索
         if (StringUtils.hasText(request.getKeyword())) {
             wrapper.and(w -> w.like(User::getUsername, request.getKeyword())
-                    .or().like(User::getAccount, request.getKeyword())
-                    .or().like(User::getEmail, request.getKeyword())
-                    .or().like(User::getPhone, request.getKeyword()));
+                    .or().like(User::getNickname, request.getKeyword())
+                    .or().like(User::getEmail, request.getKeyword()));
         }
         
         wrapper.eq(User::getIsDeleted, 0);
@@ -47,9 +47,9 @@ public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements Us
         // 排序
         if (StringUtils.hasText(request.getOrderBy())) {
             if ("asc".equalsIgnoreCase(request.getOrderDirection())) {
-                wrapper.orderByAsc(getColumnByField(request.getOrderBy()));
+                wrapper.orderByAsc(User::getCreateTime);
             } else {
-                wrapper.orderByDesc(getColumnByField(request.getOrderBy()));
+                wrapper.orderByDesc(User::getCreateTime);
             }
         } else {
             wrapper.orderByDesc(User::getCreateTime);
@@ -119,8 +119,9 @@ public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements Us
 
     @Override
     public List<User> getActiveUsers(Integer days) {
+        LocalDateTime startTime = LocalDateTime.now().minusDays(days);
         LambdaQueryWrapper<User> wrapper = new LambdaQueryWrapper<>();
-        wrapper.ge(User::getLastActiveTime, LocalDateTime.now().minusDays(days))
+        wrapper.ge(User::getLastActiveTime, startTime)
                .eq(User::getIsDeleted, 0)
                .orderByDesc(User::getLastActiveTime);
         return this.list(wrapper);
@@ -128,8 +129,9 @@ public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements Us
 
     @Override
     public List<User> getNewUsers(Integer days) {
+        LocalDateTime startTime = LocalDateTime.now().minusDays(days);
         LambdaQueryWrapper<User> wrapper = new LambdaQueryWrapper<>();
-        wrapper.ge(User::getCreateTime, LocalDateTime.now().minusDays(days))
+        wrapper.ge(User::getCreateTime, startTime)
                .eq(User::getIsDeleted, 0)
                .orderByDesc(User::getCreateTime);
         return this.list(wrapper);
@@ -137,29 +139,26 @@ public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements Us
 
     @Override
     public boolean updateLastActiveTime(String userId, LocalDateTime lastActiveTime) {
-        LambdaUpdateWrapper<User> wrapper = new LambdaUpdateWrapper<>();
-        wrapper.eq(User::getId, userId)
-               .set(User::getLastActiveTime, lastActiveTime)
-               .set(User::getUpdateTime, LocalDateTime.now());
-        return this.update(wrapper);
+        User user = new User();
+        user.setId(userId);
+        user.setLastActiveTime(lastActiveTime);
+        return this.updateById(user);
     }
 
     @Override
     public boolean updateStatus(String userId, Integer status) {
-        LambdaUpdateWrapper<User> wrapper = new LambdaUpdateWrapper<>();
-        wrapper.eq(User::getId, userId)
-               .set(User::getStatus, status)
-               .set(User::getUpdateTime, LocalDateTime.now());
-        return this.update(wrapper);
+        User user = new User();
+        user.setId(userId);
+        user.setStatus(status);
+        return this.updateById(user);
     }
 
     @Override
     public boolean updateTotalDays(String userId, Integer totalDays) {
-        LambdaUpdateWrapper<User> wrapper = new LambdaUpdateWrapper<>();
-        wrapper.eq(User::getId, userId)
-               .set(User::getTotalDays, totalDays)
-               .set(User::getUpdateTime, LocalDateTime.now());
-        return this.update(wrapper);
+        User user = new User();
+        user.setId(userId);
+        user.setTotalDays(totalDays);
+        return this.updateById(user);
     }
 
     @Override
@@ -180,17 +179,18 @@ public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements Us
 
     @Override
     public User createUser(String account, String username, String password, String email, String phone) {
-        User user = User.builder()
-                .account(account)
-                .username(username)
-                .password(passwordEncoder.encode(password))
-                .email(email)
-                .phone(phone)
-                .status(1)
-                .memberLevel("basic")
-                .totalDays(0)
-                .lastActiveTime(LocalDateTime.now())
-                .build();
+        User user = new User();
+        user.setAccount(account);
+        user.setUsername(username);
+        user.setPassword(passwordEncoder.encode(password));
+        user.setEmail(email);
+        user.setPhone(phone);
+        user.setNickname(username);
+        user.setMemberLevel("free");
+        user.setStatus(1);
+        user.setIsVerified(0);
+        user.setLastActiveTime(LocalDateTime.now());
+
         this.save(user);
         return user;
     }
@@ -206,27 +206,9 @@ public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements Us
 
     @Override
     public boolean updatePassword(String userId, String newPassword) {
-        LambdaUpdateWrapper<User> wrapper = new LambdaUpdateWrapper<>();
-        wrapper.eq(User::getId, userId)
-               .set(User::getPassword, passwordEncoder.encode(newPassword))
-               .set(User::getUpdateTime, LocalDateTime.now());
-        return this.update(wrapper);
+        User user = new User();
+        user.setId(userId);
+        user.setPassword(passwordEncoder.encode(newPassword));
+        return this.updateById(user);
     }
-
-    /**
-     * 根据字段名获取对应的数据库列
-     */
-    private String getColumnByField(String field) {
-        // 这里可以根据需要扩展更多字段映射
-        switch (field) {
-            case "createTime":
-                return "create_time";
-            case "updateTime":
-                return "update_time";
-            case "lastActiveTime":
-                return "last_active_time";
-            default:
-                return field;
-        }
-    }
-}
+}