下载图片+水印(作者ID+作者名)

src/main/java/com/bao/dating/common/aliyun/SmsUtil.java

@@ -75,6 +75,8 @@ public class SmsUtil {
                     .setTemplateCode(templateCode != null ? templateCode : this.templateCode)
                     .setTemplateParam(templateParam);
 
+            log.error("TemplateParam 实际值 = {}", templateParam);
+
             SendSmsResponse response = client.sendSms(sendSmsRequest);
             
             if ("OK".equals(response.getBody().getCode())) {
@@ -145,6 +147,7 @@ public class SmsUtil {
         jsonBuilder.append("}");
         return sendSms(phoneNumber, templateCode, jsonBuilder.toString());
     }
+
 }
 
 

src/main/java/com/bao/dating/config/AliyunOSSConfig.java

@@ -0,0 +1,16 @@
+package com.bao.dating.config;
+
+import lombok.Data;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.stereotype.Component;
+
+@Data
+@Component
+@ConfigurationProperties(prefix = "aliyun.oss")
+public class AliyunOSSConfig {
+    private String endpoint;
+    private String accessKeyId;
+    private String accessKeySecret;
+    private String bucketName;
+
+}

src/main/java/com/bao/dating/config/WebConfig.java

@@ -29,7 +29,9 @@ public class WebConfig implements WebMvcConfigurer {
                 .addPathPatterns("/**")
                 // 忽略的接口
                 .excludePathPatterns(
-                        "/user/login"
+                        "/user/login",
+                        "/user/sendCode",
+                        "/download/{postId}"
                 );
     }
 }

src/main/java/com/bao/dating/controller/PostController.java

@@ -12,6 +12,9 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.multipart.MultipartFile;
 
+import javax.imageio.ImageIO;
+import javax.servlet.http.HttpServletResponse;
+import java.awt.image.BufferedImage;
 import java.util.List;
 
 /**
@@ -87,4 +90,20 @@ public class PostController {
         PostEditVO result = postService.updatePost(postId, postRequestDTO);
         return Result.success(ResultCode.SUCCESS, "动态更新成功", result);
     }
+
+    @GetMapping("/download/{postId}")
+    public void downloadPostImage(@PathVariable Long postId, HttpServletResponse response) throws Exception {
+        try {
+            //Service 返回已经加好水印的图片
+            BufferedImage image = postService.downloadWithWatermark(postId);
+            //设置响应头，触发浏览器下载
+            response.setContentType("image/jpeg");
+            response.setHeader("Content-Disposition", "attachment;filename=post_" + postId + ".jpg");
+            //输出到浏览器
+            ImageIO.write(image, "jpg", response.getOutputStream());
+            response.getOutputStream().flush();
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
 }

src/main/java/com/bao/dating/controller/UserController.java

@@ -6,6 +6,7 @@ import com.bao.dating.common.ResultCode;
 import com.bao.dating.context.UserContext;
 import com.bao.dating.pojo.dto.UserInfoUpdateDTO;
 import com.bao.dating.pojo.dto.UserLoginDTO;
+import com.bao.dating.pojo.entity.User;
 import com.bao.dating.pojo.vo.UserInfoVO;
 import com.bao.dating.pojo.vo.UserLoginVO;
 import com.bao.dating.service.UserService;
@@ -14,7 +15,9 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.multipart.MultipartFile;
 
+import java.util.List;
 import javax.servlet.http.HttpServletRequest;
+import java.util.Map;
 
 /**
  * 用户接口
@@ -65,7 +68,6 @@ public class UserController {
      * @param file 头像文件
      * @return 上传后的文件URL列表
      */
-    @Log
     @PostMapping(value = "/info/uploadAvatar", consumes = "multipart/form-data")
     public Result<String> uploadAvatar(@RequestParam("file") MultipartFile file) {
         String fileUrl = userService.uploadAvatar(file);
@@ -77,7 +79,6 @@ public class UserController {
      * @param file 背景文件
      * @return 上传后的文件URL列表
      */
-    @Log
     @PostMapping(value = "/info/uploadBackground", consumes = "multipart/form-data")
     public Result<String> uploadBackground(@RequestParam("file") MultipartFile file) {
         String fileUrl = userService.uploadBackground(file);
@@ -89,7 +90,6 @@ public class UserController {
      * @param userInfoUpdateDTO 用户信息更新参数
      * @return 更新后的用户信息
      */
-    @Log
     @PostMapping("/info/update")
     public Result<UserInfoVO> userInfoUpdate(@RequestBody UserInfoUpdateDTO userInfoUpdateDTO) {
         Long userId = UserContext.getUserId();
@@ -97,4 +97,71 @@ public class UserController {
         UserInfoVO userInfoVO =userService.updateUserInfo(userInfoUpdateDTO);
         return Result.success(ResultCode.SUCCESS, "用户信息更新成功", userInfoVO);
     }
+
+    @PostMapping("/sendCode")
+    public Result sendCode(@RequestBody Map<String, String> body) {
+        String phone = body.get("phone");
+        userService.sendSmsCode(phone);
+        return Result.success(ResultCode.SUCCESS, "验证码发送成功");
+    }
+
+    @PostMapping("/loginByCode")
+    public Result loginByCode(@RequestBody Map<String, String> body){
+        boolean ok = userService.verifyCode(body.get("phone"), body.get("code"));
+        return ok ? Result.success(ResultCode.SUCCESS, "登录成功") : Result.error(ResultCode.SYSTEM_ERROR, "登录失败");
+    }
+
+    /**
+     * 登录
+     * @param body 登录参数
+     */
+    @PostMapping("/loginPhone")
+    public Result<?> loginPhone(@RequestBody Map<String, String> body) {
+        String phone = body.get("phone");
+        String code = body.get("code");
+
+        //校验验证码
+        boolean verify  = userService.verifyCode(phone, code);
+        if (!verify){
+            return Result.error(ResultCode.SYSTEM_ERROR, "验证码错误或已过期");
+        }
+        //登录
+        UserLoginVO vo = userService.loginByPhone(phone);
+        return Result.success(ResultCode.SUCCESS, "登录成功", vo);
+    }
+
+    @GetMapping("/nearby")
+    public Result<List<UserInfoVO>> nearby(@RequestParam(defaultValue = "5") double  distance){
+        // 获取当前线程的用户 ID
+        Long userId = UserContext.getUserId();
+        if (userId == null) {
+            return Result.error(ResultCode.SYSTEM_ERROR, "用户未登录");
+        }
+
+        // 通过 UserID 获取当前用户的经纬度信息
+        UserInfoVO currentUser = userService.getUserInfo(userId);
+        if (currentUser == null) {
+            return Result.error(ResultCode.SYSTEM_ERROR, "用户信息获取失败");
+        }
+
+        // 获取当前用户的经纬度
+        Double latitude = currentUser.getLatitude();
+        Double longitude = currentUser.getLongitude();
+
+        // 检查经纬度是否为空
+        if (latitude == null || longitude == null) {
+            return Result.error(ResultCode.SYSTEM_ERROR, "用户经纬度信息未完善");
+        }
+
+        // 这里可以添加默认值，比如如果 latitude 或 longitude 为 null，则设置为某个默认值（例如 0）
+        latitude = (latitude != null) ? latitude : 0.0;
+        longitude = (longitude != null) ? longitude : 0.0;
+
+        // 查询附近用户
+        List<UserInfoVO> nearbyUsers = userService.findNearbyUsers(latitude, longitude, distance);
+
+        // 返回成功结果
+        return Result.success(ResultCode.SUCCESS, "查询成功", nearbyUsers);
+    }
+
 }

src/main/java/com/bao/dating/mapper/CommentsMapper.java

@@ -5,18 +5,18 @@ import com.bao.dating.pojo.entity.Comments;
 import org.apache.ibatis.annotations.*;
 
 import java.util.List;
-
+@Mapper
 public interface CommentsMapper {
     // 添加评论
-    @Insert("INSERT INTO comments(content, user_id, post_id, created_at) VALUES(#{content}, #{user_id}, #{post_id}, #{created_at})")
+    @Insert("INSERT INTO dating.comments(content, user_id, post_id, created_at) VALUES(#{content}, #{user_id}, #{post_id}, #{created_at})")
     int addComment(Comments comments);
 
     // 删除评论
-    @Delete("DELETE FROM comments WHERE user_id = #{user_id}")
+    @Delete("DELETE FROM dating.comments WHERE user_id = #{user_id}")
     int deleteComments(@Param("user_id") Long user_id);
 
     // 根据动态ID查询评论列表
-    @Select("SELECT * FROM comments WHERE post_id = #{post_id} ORDER BY created_at DESC")
+    @Select("SELECT * FROM dating.comments WHERE post_id = #{post_id} ORDER BY created_at DESC")
     List<Comments> getCommentsByPostId(@Param("post_id") Long post_id);
 
     /**

src/main/java/com/bao/dating/mapper/PostFavoriteMapper.java

@@ -7,7 +7,7 @@ import org.apache.ibatis.annotations.Param;
 import java.util.List;
 
 @Mapper
-public interface PostFavoriteMapper {
+public interface    PostFavoriteMapper {
     //查询当前已收藏所有用户
     List<Long> selectUserIDByPostID(@Param("postId") Long postId);
     int addPostFavorite(PostFavorite postFavorite);

src/main/java/com/bao/dating/mapper/PostMapper.java

@@ -5,6 +5,7 @@ import org.apache.ibatis.annotations.Mapper;
 import org.apache.ibatis.annotations.Param;
 
 import java.util.List;
+import java.util.Map;
 
 /**
  * 动态Mapper
@@ -95,4 +96,12 @@ public interface PostMapper {
      * @return 影响行数
      */
     int decreaseFavoriteCount(Long postId);
+
+    /**
+     * 根据动态id查询用户名和媒体信息
+     *
+     * @param postId 动态id
+     * @return 用户名和媒体信息
+     */
+    Map<String, Object> getUsernameByUserId(Long postId);
 }

src/main/java/com/bao/dating/mapper/UserMapper.java

@@ -2,7 +2,11 @@ package com.bao.dating.mapper;
 
 import com.bao.dating.pojo.dto.UserInfoUpdateDTO;
 import com.bao.dating.pojo.entity.User;
+import com.bao.dating.pojo.vo.UserInfoVO;
 import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+
+import java.util.List;
 
 /**
  * 用户Mapper
@@ -33,4 +37,15 @@ public interface UserMapper {
      */
     void updateUserInfoByUserId(UserInfoUpdateDTO userInfoUpdateDTO);
 
+    User selectByPhone(@Param("phone") String phone);
+
+    /**
+     * 根据经纬度范围查询用户
+     * @param minLat 最小纬度
+     * @param maxLat 最大纬度
+     * @param minLng 最小经度
+     * @param maxLng 最大经度
+     * @return 用户列表
+     */
+    List<UserInfoVO> findByLatLngRange(@Param("minLat") double minLat, @Param("maxLat") double maxLat, @Param("minLng") double minLng, @Param("maxLng") double maxLng);
 }

src/main/java/com/bao/dating/pojo/entity/User.java

@@ -43,4 +43,8 @@ public class User implements Serializable {
     private String userEmail;
 
     private String userPhone;
+
+    private Double latitude;   // 纬度
+
+    private Double longitude;  // 经度
 }

src/main/java/com/bao/dating/pojo/vo/UserInfoVO.java

@@ -24,4 +24,6 @@ public class UserInfoVO implements Serializable {
     private String signature;
     private LocalDateTime updatedAt;
     private LocalDateTime createdAt;
+    private Double latitude;
+    private Double longitude;
 }

src/main/java/com/bao/dating/service/PostService.java

@@ -5,6 +5,7 @@ import com.bao.dating.pojo.entity.Post;
 import com.bao.dating.pojo.vo.PostEditVO;
 import org.springframework.web.multipart.MultipartFile;
 
+import java.awt.image.BufferedImage;
 import java.util.List;
 
 /**
@@ -55,4 +56,11 @@ public interface PostService {
      * @return 用户id
      */
     Long selectUserIdByPostId(Long postId);
+
+    /**
+     * 下载动态图片并添加水印
+     * @param postId 动态ID
+     * @return 带水印的图片
+     */
+    BufferedImage downloadWithWatermark(Long postId) throws Exception;
 }

src/main/java/com/bao/dating/service/UserService.java

@@ -2,10 +2,13 @@ package com.bao.dating.service;
 
 import com.bao.dating.pojo.dto.UserInfoUpdateDTO;
 import com.bao.dating.pojo.dto.UserLoginDTO;
+import com.bao.dating.pojo.entity.User;
 import com.bao.dating.pojo.vo.UserInfoVO;
 import com.bao.dating.pojo.vo.UserLoginVO;
 import org.springframework.web.multipart.MultipartFile;
 
+import java.util.List;
+
 /**
  * 用户服务接口
  * @author KilLze
@@ -52,4 +55,19 @@ public interface UserService {
      * @return 更新后的用户信息
      */
     UserInfoVO updateUserInfo(UserInfoUpdateDTO userInfoUpdateDTO);
+
+    void sendSmsCode(String phone);
+
+    boolean verifyCode(String phone, String code);
+
+    UserLoginVO loginByPhone(String phone);
+
+    /**
+     * 获取指定经纬度范围内的用户
+     * @param lat 用户纬度
+     * @param lng 用户经度
+     * @param radiusKm 半径 km
+     * @return 用户列表
+     */
+    List<UserInfoVO> findNearbyUsers(double lat,double lng,double  radiusKm);
 }

src/main/java/com/bao/dating/service/impl/PostServiceImpl.java

@@ -10,11 +10,13 @@ import com.bao.dating.mapper.PostLikeMapper;
 import com.bao.dating.mapper.PostMapper;
 import com.bao.dating.pojo.dto.PostRequestDTO;
 import com.bao.dating.pojo.entity.Post;
+import com.bao.dating.pojo.entity.User;
 import com.bao.dating.pojo.vo.PostEditVO;
 import com.bao.dating.service.PostService;
 import com.bao.dating.common.aliyun.AliOssUtil;
 import com.bao.dating.service.UserService;
 import com.bao.dating.util.FileUtil;
+import com.bao.dating.util.WatermarkUtil;
 import org.springframework.beans.BeanUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
@@ -22,6 +24,7 @@ import org.springframework.transaction.annotation.Transactional;
 import org.springframework.util.CollectionUtils;
 import org.springframework.web.multipart.MultipartFile;
 
+import java.awt.image.BufferedImage;
 import java.io.IOException;
 import java.time.LocalDate;
 import java.time.LocalDateTime;
@@ -57,6 +60,9 @@ public class PostServiceImpl implements PostService {
     @Autowired
     private CommentsMapper commentsMapper;
 
+    @Autowired
+    private WatermarkUtil watermarkUtil;
+
     /**
      * 上传媒体文件
      * @param files 媒体文件数组
@@ -331,4 +337,61 @@ public class PostServiceImpl implements PostService {
         return postMapper.selectUserIdByPostId(postId);
     }
 
+    /**
+     * 下载动态图片并添加水印
+     *
+     * @param postId 动态ID
+     * @return 带水印的图片
+     * @throws Exception
+     */
+    @Override
+    public BufferedImage downloadWithWatermark(Long postId) throws Exception {
+        // 一次性查出 动态图片 + 作者信息
+        Map<String, Object> map = postMapper.getUsernameByUserId(postId);
+
+        if (map == null || map.isEmpty()) {
+            Post post = postMapper.selectById(postId);
+            if (post == null) {
+                throw new RuntimeException("未找到指定postId的帖子: " + postId);
+            }
+            throw new RuntimeException("未找到与postId相关的用户和媒体信息: " + postId);
+        }
+
+        String mediaUrl = (String) map.get("media_oss_keys");
+        String username = (String) map.get("user_name");
+        Object userIdObj = map.get("user_id");
+
+        if (mediaUrl == null || username == null || userIdObj == null) {
+            throw new RuntimeException("用户或媒体信息不完整: " + map);
+        }
+
+        mediaUrl = mediaUrl.trim();
+        if (mediaUrl.isEmpty()) {
+            throw new RuntimeException("媒体URL为空，postId: " + postId);
+        }
+
+        Long userId = userIdObj instanceof Number
+                ? ((Number) userIdObj).longValue()
+                : Long.valueOf(userIdObj.toString());
+
+        // 解析 OSS ObjectKey（支持完整URL和直接存key两种）
+        String cleanUrl = mediaUrl.split("\\?")[0]; // 去掉 ? 后面的参数
+        String objectKey;
+
+        if (cleanUrl.startsWith("http")) {
+            // https://xxx.oss-cn-xxx.aliyuncs.com/post/xxx.jpg → post/xxx.jpg
+            objectKey = cleanUrl.substring(cleanUrl.indexOf(".com/") + 5);
+        } else {
+            objectKey = cleanUrl;
+        }
+
+        if (objectKey.trim().isEmpty()) {
+            throw new RuntimeException("解析后的ObjectKey为空，url: " + mediaUrl);
+        }
+
+        // 下载并动态加水印（只给下载的人看，OSS原图不改，数据库不动）
+        return watermarkUtil.downloadAndWatermark(objectKey, username, userId);
+    }
+
+
 }

src/main/java/com/bao/dating/service/impl/UserServiceImpl.java

@@ -3,6 +3,7 @@ package com.bao.dating.service.impl;
 import com.bao.dating.common.aliyun.AliOssUtil;
 import com.bao.dating.common.aliyun.GreenImageScan;
 import com.bao.dating.common.aliyun.GreenTextScan;
+import com.bao.dating.common.aliyun.SmsUtil;
 import com.bao.dating.common.result.AliOssResult;
 import com.bao.dating.common.result.GreenAuditResult;
 import com.bao.dating.config.RedisConfig;
@@ -14,6 +15,8 @@ import com.bao.dating.pojo.entity.User;
 import com.bao.dating.pojo.vo.UserInfoVO;
 import com.bao.dating.pojo.vo.UserLoginVO;
 import com.bao.dating.service.UserService;
+import com.bao.dating.util.*;
+import com.bao.dating.util.CodeUtil;
 import com.bao.dating.util.FileUtil;
 import com.bao.dating.util.JwtUtil;
 import com.bao.dating.util.MD5Util;
@@ -21,6 +24,7 @@ import io.jsonwebtoken.Claims;
 import org.springframework.beans.BeanUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.data.redis.core.StringRedisTemplate;
 import org.springframework.stereotype.Service;
 import org.springframework.web.multipart.MultipartFile;
 
@@ -37,6 +41,10 @@ import java.util.concurrent.TimeUnit;
 @Service
 public class UserServiceImpl implements UserService {
 
+
+    @Autowired
+    private SmsUtil smsUtil;
+
     @Autowired
     private AliOssUtil ossUtil;
 
@@ -52,6 +60,9 @@ public class UserServiceImpl implements UserService {
     @Autowired
     private UserMapper userMapper;
 
+    @Autowired
+    private StringRedisTemplate stringRedisTemplate;
+
     /**
      * 用户登录
      *
@@ -311,4 +322,85 @@ public class UserServiceImpl implements UserService {
         BeanUtils.copyProperties(updatedUser, userInfoVO);
         return userInfoVO;
     }
+
+    // 发送短信验证码
+    @Override
+    public void sendSmsCode(String phone) {
+        //防刷：60 秒内只能发一次
+        String key = "sms:code:" + phone;
+        Boolean exists  = stringRedisTemplate.hasKey(key);
+        if (Boolean.TRUE.equals(exists)){
+            throw new RuntimeException("请勿频繁发送验证码");
+        }
+        
+        // 生成验证码
+        String code = CodeUtil.generateCode();
+        // 发送短信
+        smsUtil.sendVerificationCode(phone, code);
+        //存 Redis（5分钟过期）
+        stringRedisTemplate.opsForValue()
+                .set(key,code, 5, TimeUnit.MINUTES);
+    }
+
+    // 校验验证码
+    @Override
+    public boolean verifyCode(String phone, String code) {
+
+        String key = "sms:code:" + phone;
+        String realCode  = stringRedisTemplate.opsForValue().get(key);
+        //过期，未发送
+        if (realCode ==null){
+            return false;
+        }
+        //不匹配
+        if (!realCode.equals(code)){
+            return false;
+        }
+        // 校验成功，删除验证码（一次性）
+        stringRedisTemplate.delete(key);
+        return true;
+    }
+
+    @Override
+    public UserLoginVO loginByPhone(String phone) {
+        //根据手机号查询用户
+        User user = userMapper.selectByPhone(phone);
+        //创建token
+        String token = JwtUtil.generateToken(user.getUserId().toString());
+        //封装返回结果
+        UserLoginVO VO = new UserLoginVO();
+        VO.setUserId(user.getUserId());
+        VO.setToken(token);
+        return VO;
+
+    }
+
+    @Override
+    public List<UserInfoVO> findNearbyUsers(double lat, double lng, double radiusKm) {
+       //先用经纬度范围筛选（矩形框，提高性能）
+        double delta = radiusKm / 111.0; // 1° ≈ 111km
+        double minLat = lat - delta;// 最小纬度
+        double maxLat = lat + delta;// 最大纬度
+        double minLng = lng - delta;// 最小经度
+        double maxLng = lng + delta;// 最大经度
+
+        // 打印经纬度范围
+        System.out.println("Min Latitude: " + minLat + ", Max Latitude: " + maxLat);
+        System.out.println("Min Longitude: " + minLng + ", Max Longitude: " + maxLng);
+
+        List<UserInfoVO> byLatLngRange = userMapper.findByLatLngRange(minLat, maxLat, minLng, maxLng);
+
+        //精确计算距离，筛选在半径内的用户
+        List<UserInfoVO> result = new ArrayList<>();
+        for (UserInfoVO u:byLatLngRange){
+            // 检查用户是否有经纬度信息
+            if (u.getLatitude() != null && u.getLongitude() != null) {
+                double distance  = DistanceUtil.calculate(lat, lng, u.getLatitude(), u.getLongitude());
+                if (distance <= radiusKm){
+                    result.add(u);
+                }
+            }
+        }
+        return result;
+    }
 }

src/main/java/com/bao/dating/util/CodeUtil.java

@@ -0,0 +1,12 @@
+package com.bao.dating.util;
+
+import java.util.Random;
+
+public class CodeUtil {
+    // 生成6位数字验证码
+    public static String generateCode() {
+        Random random = new Random();
+        int code=100000+random.nextInt(900000);
+        return String.valueOf(code);
+    }
+}

src/main/java/com/bao/dating/util/DistanceUtil.java

@@ -0,0 +1,29 @@
+package com.bao.dating.util;
+
+//Haversine 公式（标准写法）
+
+public class DistanceUtil {
+    private static final double EARTH_RADIUS = 6371.0; // 地球半径 km
+
+    /**
+     * 计算两点之间距离（单位：km）
+     */
+    public static double calculate(
+            double lat1, double lon1,
+            double lat2, double lon2) {
+
+        double dLat = Math.toRadians(lat2 - lat1);
+        double dLon = Math.toRadians(lon2 - lon1);
+
+        lat1 = Math.toRadians(lat1);
+        lat2 = Math.toRadians(lat2);
+
+        double a = Math.sin(dLat / 2) * Math.sin(dLat / 2)
+                + Math.cos(lat1) * Math.cos(lat2)
+                * Math.sin(dLon / 2) * Math.sin(dLon / 2);
+
+        double c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
+
+        return EARTH_RADIUS * c;
+    }
+}

src/main/java/com/bao/dating/util/WatermarkUtil.java

@@ -0,0 +1,64 @@
+    package com.bao.dating.util;
+
+    import com.aliyun.oss.OSS;
+    import com.aliyun.oss.OSSClientBuilder;
+    import com.bao.dating.config.AliyunOSSConfig;
+    import com.bao.dating.mapper.PostMapper;
+    import org.springframework.beans.factory.annotation.Autowired;
+    import org.springframework.stereotype.Component;
+
+    import javax.imageio.ImageIO;
+    import java.awt.*;
+    import java.awt.image.BufferedImage;
+    import java.io.InputStream;
+
+    @Component
+    public class WatermarkUtil {
+
+        @Autowired
+        private AliyunOSSConfig aliyunOSSConfig;
+
+
+        public BufferedImage downloadAndWatermark(String objectKey, String username, Long userId) throws Exception {
+            OSS ossClient = new OSSClientBuilder().build(
+                    aliyunOSSConfig.getEndpoint(),
+                    aliyunOSSConfig.getAccessKeyId(),
+                    aliyunOSSConfig.getAccessKeySecret()
+            );
+
+            InputStream inputStream = ossClient.getObject(aliyunOSSConfig.getBucketName(), objectKey).getObjectContent();
+            BufferedImage image = ImageIO.read(inputStream);
+            Graphics2D g2d = image.createGraphics();
+
+            g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
+
+            // 字体小一点
+            Font font = new Font("微软雅黑", Font.BOLD, 24);
+            g2d.setFont(font);
+
+            String text = "作者：" + username + " (ID:" + userId + ")";
+
+            FontMetrics fm = g2d.getFontMetrics();
+            int textWidth = fm.stringWidth(text);
+            int textHeight = fm.getHeight();
+
+            // 右下角留边距
+            int x = image.getWidth() - textWidth - 20;
+            int y = image.getHeight() - 20;
+
+            // 黑色描边
+            g2d.setColor(Color.BLACK);
+            g2d.drawString(text, x - 1, y - 1);
+            g2d.drawString(text, x + 1, y - 1);
+            g2d.drawString(text, x - 1, y + 1);
+            g2d.drawString(text, x + 1, y + 1);
+
+            // 白色正文
+            g2d.setColor(Color.WHITE);
+            g2d.drawString(text, x, y);
+
+            g2d.dispose();
+            ossClient.shutdown();
+            return image;
+        }
+    }

src/main/resources/com/bao/dating/mapper/PostMapper.xml

@@ -122,5 +122,11 @@
     <select id="selectFavoriteCount" resultType="java.lang.Integer">
         select dating.post.favorite_count from dating.post where post.post_id = #{postId}
     </select>
+    <select id="getUsernameByUserId" resultType="map">
+        SELECT u.user_name, u.user_id, p.media_oss_keys
+        FROM post p 
+        LEFT JOIN user u ON p.user_id = u.user_id 
+        WHERE p.post_id = #{postId}
+    </select>
 
 </mapper>

src/main/resources/com/bao/dating/mapper/UserMapper.xml

@@ -28,6 +28,8 @@
         <result property="signature" column="signature"/>
         <result property="createdAt" column="created_at"/>
         <result property="updatedAt" column="updated_at"/>
+        <result property="latitude" column="user_latitude"/>
+        <result property="longitude" column="user_longitude"/>
     </resultMap>
     <select id="selectByUserId" resultMap="UserResultMap">
         SELECT
@@ -41,8 +43,10 @@
             hobbies,
             signature,
             created_at,
-            updated_at
-            FROM user WHERE user_id = #{userId}
+            updated_at,
+            user_latitude,
+            user_longitude
+        FROM dating.user WHERE user_id = #{userId}
     </select>
 
     <!--根据ID更新动态-->
@@ -74,4 +78,43 @@
         </set>
         WHERE user_id = #{userId}
     </update>
+
+    <select id="selectByPhone" resultType="com.bao.dating.pojo.entity.User">
+        select * from dating.user where user_phone =#{phone}
+    </select>
+    <resultMap id="UserInfoVOResultMap" type="com.bao.dating.pojo.vo.UserInfoVO">
+        <id property="userId" column="user_id"/>
+        <result property="userName" column="user_name"/>
+        <result property="nickname" column="nickname"/>
+        <result property="avatarUrl" column="avatar_url"/>
+        <result property="backgroundUrl" column="background_url"/>
+        <result property="gender" column="gender"/>
+        <result property="birthday" column="birthday"/>
+        <result property="hobbies" column="hobbies" typeHandler="com.bao.dating.handler.ListToJsonTypeHandler"/>
+        <result property="signature" column="signature"/>
+        <result property="createdAt" column="created_at"/>
+        <result property="updatedAt" column="updated_at"/>
+        <result property="latitude" column="user_latitude"/>
+        <result property="longitude" column="user_longitude"/>
+    </resultMap>
+    
+    <select id="findByLatLngRange" resultMap="UserInfoVOResultMap">
+        SELECT 
+            user_id,
+            user_name,
+            nickname,
+            avatar_url,
+            background_url,
+            gender,
+            birthday,
+            hobbies,
+            signature,
+            created_at,
+            updated_at,
+            user_latitude,
+            user_longitude
+        FROM user WHERE user_latitude BETWEEN #{minLat} AND #{maxLat} AND user_longitude BETWEEN #{minLng} AND #{maxLng}
+    </select>
+
+
 </mapper>