去除 fastjson2 依赖

pom.xml

@@ -178,20 +178,6 @@
         </exclusion>
       </exclusions>
     </dependency>
-    <!-- https://mvnrepository.com/artifact/com.alibaba.fastjson2/fastjson2 -->
-    <dependency>
-      <groupId>com.alibaba.fastjson2</groupId>
-      <artifactId>fastjson2</artifactId>
-      <version>2.0.23</version>
-    </dependency>
-
-    <!--
-    https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-annotations -->
-    <dependency>
-      <groupId>com.fasterxml.jackson.core</groupId>
-      <artifactId>jackson-annotations</artifactId>
-      <version>2.14.1</version><!--$NO-MVN-MAN-VER$-->
-    </dependency>
 
     <!-- https://mvnrepository.com/artifact/org.bouncycastle/bcprov-jdk15to18 -->
     <!-- sha224 哈希套件 -->

src/main/java/me/qwq/doghouse/component/Rk.java

@@ -186,7 +186,7 @@ public class Rk {
          * @return
          */
         public static String prepareDogHash(String email) {
-            
+            if (email == null) email = "";
             email = email.toLowerCase(Locale.ENGLISH);
             
             RBucket<String> gravatarHashBucket = redisson.getBucket(getGravatarKey(EMAIL_HASH_PREFIX + email));

src/main/java/me/qwq/doghouse/config/DoghouseConfig.java

@@ -3,6 +3,7 @@ package me.qwq.doghouse.config;
 import java.util.Set;
 
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.autoconfigure.cache.CacheProperties;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.boot.web.servlet.FilterRegistrationBean;
 import org.springframework.context.annotation.Bean;
@@ -21,11 +22,13 @@ import me.qwq.doghouse.service.ConfigService;
 
 /**
  * Doghouse 配置项
+ * <p>
+ * 指定 RedisCacheManager 序列化器后需要重新指定启用 CacheProperties 的自动装配
  * @author Doghole
  *
  */
 @Configuration
-@EnableConfigurationProperties(DoghouseProperties.class)
+@EnableConfigurationProperties({DoghouseProperties.class, CacheProperties.class})
 @Import(ConfigAutoRegistrar.class)
 public class DoghouseConfig implements WebMvcConfigurer {
     
@@ -90,4 +93,5 @@ public class DoghouseConfig implements WebMvcConfigurer {
         resolver.setCheckExistence(true);            // 文件不存在就跳过，交给下一个 resolver
         return resolver;
     }
+    
 }

src/main/java/me/qwq/doghouse/controller/admin/AssetController.java

@@ -1,6 +1,5 @@
 package me.qwq.doghouse.controller.admin;
 
-import com.alibaba.fastjson2.util.DateUtils;
 import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.github.yulichang.wrapper.MPJLambdaWrapper;
@@ -18,6 +17,8 @@ import me.qwq.doghouse.pojo.dto.LayPageReq;
 import me.qwq.doghouse.pojo.dto.LayPageResp;
 import me.qwq.doghouse.pojo.dto.R;
 import me.qwq.doghouse.service.AssetService;
+import me.qwq.doghouse.util.DateUtils;
+
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;

src/main/java/me/qwq/doghouse/controller/admin/post/AbstractAdminPostController.java

@@ -1,10 +1,11 @@
 package me.qwq.doghouse.controller.admin.post;
 
-import com.alibaba.fastjson2.JSONObject;
 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.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
 import com.github.yulichang.wrapper.MPJLambdaWrapper;
 
 import jakarta.validation.Valid;
@@ -56,13 +57,19 @@ public abstract class AbstractAdminPostController<C extends IPostTypeConfig<C>,
 
     @Autowired
     AssetService assetService;
+    
     @Autowired
     MetaService metaService;
+    
     @Autowired
     RelationshipService relationshipService;
+    
     @Autowired
     PostTypeComponent postTypeComponent;
     
+    @Autowired
+    ObjectMapper objectMapper;
+
     C postTypeConfig;
     
     /** 
@@ -136,9 +143,10 @@ public abstract class AbstractAdminPostController<C extends IPostTypeConfig<C>,
     
     /**
      * 编辑
+     * @throws JsonProcessingException 
      */
     @GetMapping("/edit")
-    public String edit(@RequestParam(required = false) Long postId) {
+    public String edit(@RequestParam(required = false) Long postId) throws JsonProcessingException {
 
         PostTypeEnum postType = getPostTypeConfig().getPostType();
         
@@ -148,7 +156,7 @@ public abstract class AbstractAdminPostController<C extends IPostTypeConfig<C>,
             request.setAttribute("title", "编辑 - " + post.getPostTitle());
             List<Asset> assets = assetService.list(
                     new LambdaQueryWrapper<Asset>().eq(Asset::getFromPostId, postId));
-            request.setAttribute("assets", StringEscapeUtils.escapeEcmaScript(JSONObject.toJSONString(assets)));
+            request.setAttribute("assets", StringEscapeUtils.escapeEcmaScript(objectMapper.writeValueAsString(assets)));
         }
         else {
             request.setAttribute("title", "新增" + postType.getNote());

src/main/java/me/qwq/doghouse/controller/api/v1/ApiControllerV1.java

@@ -20,14 +20,13 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
-import com.alibaba.fastjson2.JSONObject;
-
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
 import lombok.extern.slf4j.Slf4j;
 import me.qwq.dogface.Dogface;
 import me.qwq.doghouse.component.Rk;
 import me.qwq.doghouse.exception.PageNotFoundException;
+import me.qwq.doghouse.pojo.dto.DailyPostCommentStats;
 import me.qwq.doghouse.pojo.dto.R;
 import me.qwq.doghouse.service.CommentService;
 import me.qwq.doghouse.service.StatisticsService;
@@ -132,7 +131,7 @@ public class ApiControllerV1 {
     }
     
     @GetMapping(path="/getPassDaysStatistics", produces="application/json")
-    public JSONObject getPassDaysStatistics(Integer passDays) {
+    public DailyPostCommentStats getPassDaysStatistics(Integer passDays) {
         return statisticsService.getPostAndCommentCountsWithDates(passDays, null);
     }
     
@@ -163,11 +162,11 @@ public class ApiControllerV1 {
         svgRoot.setAttribute("viewBox", String.format("0 0 %d %d", w, h));
         
         // 获取 n 日以来的文章和评论统计
-        JSONObject jo = statisticsService.getPostAndCommentCountsWithDates(total, null);
+        DailyPostCommentStats s = statisticsService.getPostAndCommentCountsWithDates(total, null);
 
-        List<String> dates = jo.getList("dates", String.class);
+        List<String> dates = s.dates();
-        List<Integer> postCounts = jo.getList("postCounts", Integer.class);
+        List<Integer> postCounts = s.postCounts();
-        List<Integer> commentCounts = jo.getList("commentCounts", Integer.class);
+        List<Integer> commentCounts = s.commentCounts();
         
         for (int col = 0; col < cols; col++) {
             for (int row = 0; row < rows; row++) {

src/main/java/me/qwq/doghouse/controller/api/v2/CommentApiControllerV2.java

@@ -1,5 +1,8 @@
 package me.qwq.doghouse.controller.api.v2;
 
+import java.util.HashMap;
+import java.util.Map;
+
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
@@ -8,7 +11,7 @@ import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
-import com.alibaba.fastjson2.JSONObject;
+import com.fasterxml.jackson.databind.JsonNode;
 
 import me.qwq.dogface.Dogface;
 import me.qwq.doghouse.controller.common.BaseController;
@@ -38,8 +41,8 @@ public class CommentApiControllerV2 extends BaseController {
     Dogface dogface;
 
     @PostMapping("/preview")
-    public R<?> preview(@RequestBody JSONObject jo) {
+    public R<?> preview(@RequestBody JsonNode jo) {
-        String markDown = MarkDownUtils.commentToHtml(jo.getString("content"));
+        String markDown = MarkDownUtils.commentToHtml(jo.get("content").asText());
         return R.ok(markDown);
     }
     
@@ -54,16 +57,16 @@ public class CommentApiControllerV2 extends BaseController {
             throw RException.badRequest("非法请求");
         }
         
-        JSONObject jo = new JSONObject();
+        Map<String, Object> dto = new HashMap<>();
-        jo.put("author", commentForEdit.getAuthor());
+        dto.put("author", commentForEdit.getAuthor());
-        jo.put("isMarkdown", commentForEdit.isMarkdown());
+        dto.put("isMarkdown", commentForEdit.isMarkdown());
-        jo.put("email", commentForEdit.getEmail());
+        dto.put("email", commentForEdit.getEmail());
-        jo.put("url", commentForEdit.getUrl());
+        dto.put("url", commentForEdit.getUrl());
-        jo.put("content", commentForEdit.getContent());
+        dto.put("content", commentForEdit.getContent());
-        jo.put("subscribeReply", commentForEdit.isSubscribeReply());
+        dto.put("subscribeReply", commentForEdit.isSubscribeReply());
-        jo.put("commentStatu", commentForEdit.getCommentStatus());
+        dto.put("commentStatu", commentForEdit.getCommentStatus());
-        jo.put("id", commentForEdit.getId());
+        dto.put("id", commentForEdit.getId());
         
-        return R.ok(jo);
+        return R.ok(dto);
     }
 }

src/main/java/me/qwq/doghouse/controller/blog/SitemapController.java

@@ -1,7 +1,6 @@
 package me.qwq.doghouse.controller.blog;
 
 
-import com.alibaba.fastjson2.util.DateUtils;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 
@@ -18,6 +17,7 @@ import me.qwq.doghouse.interfaces.IPostTypeConfig;
 import me.qwq.doghouse.pojo.dto.PageQuery;
 import me.qwq.doghouse.service.*;
 import me.qwq.doghouse.service.post.PostService;
+import me.qwq.doghouse.util.DateUtils;
 
 import org.apache.commons.lang3.StringUtils;
 import org.jdom2.Document;

src/main/java/me/qwq/doghouse/controller/blog/post/WikiPaginationController.java

@@ -1,7 +1,9 @@
 package me.qwq.doghouse.controller.blog.post;
 
 
-import com.alibaba.fastjson2.JSON;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
 import lombok.extern.slf4j.Slf4j;
 import me.qwq.doghouse.entity.config.WikiConfig;
 import me.qwq.doghouse.entity.Post;
@@ -9,6 +11,7 @@ import me.qwq.doghouse.pojo.bo.PostPassJar;
 import me.qwq.doghouse.service.post.WikiService;
 import me.qwq.doghouse.util.EscapeUnescapeUtils;
 
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
@@ -28,6 +31,9 @@ import java.util.List;
 @RequestMapping("/wiki")
 public class WikiPaginationController extends AbstractPaginationController<WikiConfig, WikiService> {
     
+    @Autowired
+    ObjectMapper objectMapper;
+    
     /**
      * 首页
      */
@@ -44,9 +50,10 @@ public class WikiPaginationController extends AbstractPaginationController<WikiC
      * Wiki 树形菜单点击
      * @param postId
      * @return
+     * @throws JsonProcessingException 
      */
     @GetMapping({"/list", "/list/", "/list/{postId}"})
-    public String listFrontWikisOnly(@PathVariable(name="postId", required=false) Long postId) {
+    public String listFrontWikisOnly(@PathVariable(name="postId", required=false) Long postId) throws JsonProcessingException {
         request.setAttribute("wikis", listFrontWikis(postId));
         return postTypeComponent.getTemplatePath(getPostType(), "side-only");
     }
@@ -56,10 +63,11 @@ public class WikiPaginationController extends AbstractPaginationController<WikiC
      * 放在控制器这里只是方便前端模板调用，并且能获得 service 的缓存能力
      * @param postId
      * @return
+     * @throws JsonProcessingException 
      */
-    public List<Post> listFrontWikis(Long postId) {
+    public List<Post> listFrontWikis(Long postId) throws JsonProcessingException {
         List<Long> unfolded = WikiService.getUnfoldedWikis(request);
-        String unfoldedStr = unfolded == null ? "[]" : JSON.toJSONString(unfolded);
+        String unfoldedStr = unfolded == null ? "[]" : objectMapper.writeValueAsString(unfolded);
         unfoldedStr = EscapeUnescapeUtils.escape(unfoldedStr);
         Cookie unfoldedCookie = new Cookie(WikiService.UNFOLDED_WIKIS, unfoldedStr);
         unfoldedCookie.setPath("/");

src/main/java/me/qwq/doghouse/entity/Post.java

@@ -27,7 +27,6 @@ import lombok.EqualsAndHashCode;
 import lombok.experimental.Accessors;
 import me.qwq.doghouse.enums.PostStatusEnum;
 import me.qwq.doghouse.enums.PostTypeEnum;
-import me.qwq.doghouse.interfaces.IAvatarUrl;
 import me.qwq.doghouse.interfaces.IFriendlyName;
 import me.qwq.doghouse.interfaces.IPostPassMess;
 import me.qwq.doghouse.validator.FriendlyNameValid;
@@ -41,7 +40,7 @@ import me.qwq.doghouse.validator.FriendlyNameValid;
 @EqualsAndHashCode(callSuper = false)
 @Accessors(chain = true)
 @FriendlyNameValid
-public class Post extends Model<Post> implements Serializable, IPostPassMess<Post>, ITreeView<Post>, IAvatarUrl, IFriendlyName {
+public class Post extends Model<Post> implements Serializable, IPostPassMess<Post>, ITreeView<Post>, IFriendlyName {
 
     private static final long serialVersionUID = 1L;
 

src/main/java/me/qwq/doghouse/entity/config/MarkdownConfig.java

@@ -1,39 +0,0 @@
-package me.qwq.doghouse.entity.config;
-
-import java.io.Serializable;
-
-import com.alibaba.fastjson2.JSONObject;
-import com.baomidou.mybatisplus.core.toolkit.StringUtils;
-
-import jodd.io.FileUtil;
-import lombok.Data;
-import lombok.experimental.Accessors;
-import lombok.extern.slf4j.Slf4j;
-import me.qwq.doghouse.annotation.ConfigInfo;
-import me.qwq.doghouse.interfaces.IConfig;
-
-@SuppressWarnings("serial")
-@Data
-@Accessors(chain=true)
-@ConfigInfo(field="markdown", name="Markdown 设置", initDefault=true)
-@Slf4j
-public class MarkdownConfig implements Serializable, IConfig<MarkdownConfig> {
-
-    
-    private static final String DEFAULT_MERMAID_CONFIG = "";
-    
-    private String mermaidConfig = DEFAULT_MERMAID_CONFIG;
-    
-    public MarkdownConfig afterSaving() {
-        if (StringUtils.isNotBlank(mermaidConfig)) {
-            try {
-                JSONObject jo = JSONObject.parse(mermaidConfig);
-                FileUtil.writeString("./conf/mermaid/config.json", jo.toJSONString());
-            } catch (Exception e) {
-                log.warn("Save mermaid self-defined css failed", e);
-            }
-        }
-        return this;
-    }
-
-}

src/main/java/me/qwq/doghouse/pojo/dto/DailyPostCommentStats.java

@@ -0,0 +1,10 @@
+package me.qwq.doghouse.pojo.dto;
+
+import java.io.Serializable;
+import java.util.List;
+
+public record DailyPostCommentStats(
+    List<String> dates,
+    List<Integer> postCounts,
+    List<Integer> commentCounts
+) implements Serializable {}

src/main/java/me/qwq/doghouse/service/ConfigService.java

@@ -7,7 +7,8 @@ import me.qwq.doghouse.entity.RawConfig;
 import me.qwq.doghouse.interfaces.IConfig;
 import me.qwq.doghouse.util.SpringContextHolder;
 
-import com.alibaba.fastjson2.JSONObject;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
 import com.google.common.collect.BiMap;
 import com.google.common.collect.HashBiMap;
 
@@ -40,6 +41,9 @@ public class ConfigService extends BaseServiceImpl<ConfigMapper, RawConfig> {
     @Autowired
     Reflections reflections;
     
+    @Autowired
+    private ObjectMapper objectMapper;
+    
     /**
      * 从
      * <b><code> field </code></b>
@@ -198,8 +202,15 @@ public class ConfigService extends BaseServiceImpl<ConfigMapper, RawConfig> {
             }
             return null;
         }
-        T iConfig = 
+        T iConfig;
-             JSONObject.parseObject(rawConfig.getConfigValue(), clazz);
+        try {
+            iConfig = objectMapper.readValue(rawConfig.getConfigValue(), clazz);
+        }
+        catch (JsonProcessingException e) {
+            throw new IllegalStateException(
+                    "Failed to deserialize config: " + info.field(), e
+            );
+        }
         setCache(iConfig);
         return iConfig;
     }
@@ -222,7 +233,15 @@ public class ConfigService extends BaseServiceImpl<ConfigMapper, RawConfig> {
         else {
             rawConfig.setUpdateTime(LocalDateTime.now());
         }
-        rawConfig.setConfigValue(JSONObject.toJSONString(iConfig));
+        try {
+            rawConfig.setConfigValue(
+                    objectMapper.writeValueAsString(iConfig)
+            );
+        } catch (JsonProcessingException e) {
+            throw new IllegalStateException(
+                    "Failed to serialize config: " + info.field(), e
+            );
+        }
         iConfig.beforeSaving();
         
         if (saveOrUpdate(rawConfig)) {

src/main/java/me/qwq/doghouse/service/StatisticsService.java

@@ -4,15 +4,13 @@ import java.text.DecimalFormat;
 import java.time.LocalDate;
 import java.time.temporal.ChronoUnit;
 import java.util.Arrays;
+import java.util.List;
 import java.util.Map;
-import java.util.stream.Collectors;
-
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.cache.annotation.Cacheable;
 import org.springframework.stereotype.Service;
 
-import com.alibaba.fastjson2.JSONObject;
 import com.github.yulichang.wrapper.MPJLambdaWrapper;
 
 import lombok.Getter;
@@ -25,6 +23,7 @@ import me.qwq.doghouse.entity.Post;
 import me.qwq.doghouse.enums.CommentStatusEnum;
 import me.qwq.doghouse.enums.PostStatusEnum;
 import me.qwq.doghouse.enums.PostTypeEnum;
+import me.qwq.doghouse.pojo.dto.DailyPostCommentStats;
 import me.qwq.doghouse.service.post.PostService;
 
 @Service
@@ -86,15 +85,24 @@ public class StatisticsService {
      */
     @CacheEvictionTask
     @Cacheable(value=CacheConstants.Statistics.DAILY_POST_AND_COMMENT_COUNTS)
-    public JSONObject getPostAndCommentCountsWithDates(Integer passDays, PostTypeEnum postType) {
+    public DailyPostCommentStats getPostAndCommentCountsWithDates(Integer passDays, PostTypeEnum postType) {
-        JSONObject jo = new JSONObject();
+        Map<String, String> map =
-        Map<String, String> map = mapper.getPostAndCommentCountsWithDates(passDays, postType);
+                mapper.getPostAndCommentCountsWithDates(passDays, postType);
-        jo.put("dates", map.get("dates").split(","));
+
-        jo.put("postCounts", Arrays.asList(map.get("postCounts").split(",")).stream()
+        List<String> dates =
-                .map(s -> Integer.valueOf(s)).collect(Collectors.toList()));
+                Arrays.asList(map.get("dates").split(","));
-        jo.put("commentCounts", Arrays.asList(map.get("commentCounts").split(",")).stream()
+
-                .map(s -> Integer.valueOf(s)).collect(Collectors.toList()));
+        List<Integer> postCounts =
-        return jo;
+                Arrays.stream(map.get("postCounts").split(","))
+                      .map(Integer::valueOf)
+                      .toList();
+
+        List<Integer> commentCounts =
+                Arrays.stream(map.get("commentCounts").split(","))
+                      .map(Integer::valueOf)
+                      .toList();
+
+        return new DailyPostCommentStats(dates, postCounts, commentCounts);
     }
 
     public PostStatistic getPostStatistic(Post post) {

src/main/java/me/qwq/doghouse/service/ThemeService.java

@@ -25,7 +25,8 @@ import org.springframework.core.io.support.ResourcePatternResolver;
 import org.springframework.stereotype.Service;
 import org.springframework.util.function.ThrowingSupplier;
 
-import com.alibaba.fastjson2.JSONObject;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
 import jakarta.annotation.PostConstruct;
 import lombok.extern.slf4j.Slf4j;
 import me.qwq.doghouse.config.DoghouseProperties;
@@ -43,6 +44,8 @@ public class ThemeService {
     private volatile List<ThemeInfo> cachedThemes = Collections.emptyList();
     private List<ThemeInfo> internalThemes = new ArrayList<>();
     
+    @Autowired
+    private ObjectMapper objectMapper;
     
     @Autowired
     DoghouseProperties doghouseProperties;
@@ -294,7 +297,7 @@ public class ThemeService {
      */
     private ThemeInfo getThemeInfo(Resource config) throws IOException {
         String json = config.getContentAsString(StandardCharsets.UTF_8);
-        ThemeInfo themeInfo = JSONObject.parseObject(json, ThemeInfo.class);
+        ThemeInfo themeInfo = objectMapper.readValue(json, ThemeInfo.class);
 
         // uri:        .../templates/blog/bleaching/config.json
         // folderName: bleaching
@@ -331,7 +334,7 @@ public class ThemeService {
      */
     private ThemeInfo getThemeInfo(Path configPath) throws IOException {
         String json = Files.readString(configPath);
-        ThemeInfo themeInfo = JSONObject.parseObject(json, ThemeInfo.class);
+        ThemeInfo themeInfo = objectMapper.readValue(json, ThemeInfo.class);
         
         Path path = configPath.getParent();
         themeInfo.setDirectory(path.toString());

src/main/java/me/qwq/doghouse/service/post/WikiService.java

@@ -13,10 +13,11 @@ import me.qwq.doghouse.pojo.dto.LayPageReq;
 import me.qwq.doghouse.util.CookieUtils;
 import me.qwq.doghouse.util.SessionUtils;
 
-import com.alibaba.fastjson2.JSONArray;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.ObjectMapper;
 import com.github.yulichang.wrapper.MPJLambdaWrapper;
 import com.github.yulichang.wrapper.enums.DefaultFuncEnum;
 
@@ -669,8 +670,10 @@ public class WikiService extends AbstractPostService<WikiService, WikiConfig> {
         Cookie cookie = CookieUtils.getCookie(request, UNFOLDED_WIKIS);
         if (cookie == null) new ArrayList<>();
         try {
-            JSONArray ja = JSONArray.parse(cookie.getValue());
+            return new ObjectMapper().readValue(
-            return ja.toJavaList(Long.class);
+                    cookie.getValue(),
+                    new TypeReference<List<Long>>() {}
+            );
         }
         catch (Exception e) {
             return null;

src/main/java/me/qwq/doghouse/util/DateUtils.java

@@ -0,0 +1,37 @@
+package me.qwq.doghouse.util;
+
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+public final class DateUtils {
+
+    // 缓存 formatter，行为接近 fastjson2
+    private static final Map<String, DateTimeFormatter> FORMATTER_CACHE =
+            new ConcurrentHashMap<>();
+
+    private DateUtils() {
+    }
+
+    /**
+     * 格式化 LocalDateTime
+     *
+     * @param dateTime LocalDateTime
+     * @param pattern  日期格式，如 yyyy-MM-dd HH:mm:ss
+     * @return 格式化后的字符串
+     */
+    public static String format(LocalDateTime dateTime, String pattern) {
+        if (dateTime == null) {
+            return null;
+        }
+        if (pattern == null || pattern.isEmpty()) {
+            throw new IllegalArgumentException("pattern must not be null or empty");
+        }
+
+        DateTimeFormatter formatter =
+                FORMATTER_CACHE.computeIfAbsent(pattern, DateTimeFormatter::ofPattern);
+
+        return dateTime.format(formatter);
+    }
+}

src/main/java/me/qwq/doghouse/util/ImageBase64Utils.java

@@ -1,70 +0,0 @@
-package me.qwq.doghouse.util;
-import java.io.*;
-import java.nio.file.*;
-import java.util.Base64;
-
-import org.springframework.core.io.ClassPathResource;
-import org.springframework.util.StreamUtils;
-
-public class ImageBase64Utils {
-
-    /**
-     * 从文件系统路径读取图片并转 base64
-     */
-    public static String fromFileSystem(Path imagePath) throws IOException {
-        if (imagePath == null || !Files.exists(imagePath)) {
-            return null;
-        }
-
-        byte[] bytes = Files.readAllBytes(imagePath);
-        String mimeType = Files.probeContentType(imagePath);
-
-        return toDataUrl(bytes, mimeType);
-    }
-
-    /**
-     * 从 classpath 读取图片并转 base64（支持 jar 内）
-     */
-    public static String fromClasspath(String classpathLocation) throws IOException {
-        ClassPathResource resource = new ClassPathResource(classpathLocation);
-        if (!resource.exists()) {
-            return null;
-        }
-
-        byte[] bytes;
-        try (InputStream is = resource.getInputStream()) {
-            bytes = StreamUtils.copyToByteArray(is);
-        }
-
-        String mimeType = guessMimeType(classpathLocation);
-        return toDataUrl(bytes, mimeType);
-    }
-
-    /**
-     * 生成 data:image/...;base64,...
-     */
-    private static String toDataUrl(byte[] bytes, String mimeType) {
-        if (bytes == null || bytes.length == 0) {
-            return null;
-        }
-
-        if (mimeType == null) {
-            mimeType = "image/png"; // 兜底
-        }
-
-        String base64 = Base64.getEncoder().encodeToString(bytes);
-        return "data:" + mimeType + ";base64," + base64;
-    }
-
-    /**
-     * 根据文件名猜测 MIME
-     */
-    private static String guessMimeType(String filename) {
-        String lower = filename.toLowerCase();
-        if (lower.endsWith(".png")) return "image/png";
-        if (lower.endsWith(".jpg") || lower.endsWith(".jpeg")) return "image/jpeg";
-        if (lower.endsWith(".gif")) return "image/gif";
-        if (lower.endsWith(".webp")) return "image/webp";
-        return "image/png";
-    }
-}

src/main/java/me/qwq/doghouse/util/JsonUtils.java

@@ -0,0 +1,18 @@
+package me.qwq.doghouse.util;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import me.qwq.doghouse.annotation.StaticAttribute;
+
+@StaticAttribute
+public final class JsonUtils {
+    private static final ObjectMapper MAPPER = new ObjectMapper();
+
+    public static String toJson(Object o) {
+        try {
+            return MAPPER.writeValueAsString(o);
+        } catch (JsonProcessingException e) {
+            throw new RuntimeException(e);
+        }
+    }
+}

src/main/resources/templates/admin/tag/index.html

@@ -80,7 +80,7 @@
                         <ul class="tags-ul">
                             <th:block th:each="tag, i : ${@metaService.listMetaCount(MetaTypeEnum.TAG, null)}">
                                 <li 
-                                th:with="tagJson=${T(com.alibaba.fastjson2.JSONObject).toJSONString(tag)}"
+                                th:with="tagJson=${JsonUtils.toJson(tag)}"
                                 th:attr="mid=${tag.mid},tag=${tagJson}">
                                     <a
                                     th:href="@{${'/admin/v2/post/?tagId=' + tag.mid}}"