进一步优化 json 工具类，默认使用 Spring 初始化出来的

src/main/java/cn/iocoder/dashboard/framework/jackson/config/JacksonConfig.java

@@ -0,0 +1,18 @@
+package cn.iocoder.dashboard.framework.jackson.config;
+
+import cn.iocoder.dashboard.util.json.JsonUtils;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class JacksonConfig {
+
+    @Bean
+    @SuppressWarnings("InstantiationOfUtilityClass")
+    public JsonUtils jsonUtils(ObjectMapper objectMapper) {
+        JsonUtils.init(objectMapper);
+        return new JsonUtils();
+    }
+
+}

src/main/java/cn/iocoder/dashboard/framework/logger/operatelog/core/aop/OperateLogAspect.java

@@ -11,7 +11,7 @@ import cn.iocoder.dashboard.framework.logger.operatelog.core.service.OperateLogF
 import cn.iocoder.dashboard.framework.security.core.util.SecurityUtils;
 import cn.iocoder.dashboard.framework.tracer.core.util.TracerUtils;
 import cn.iocoder.dashboard.modules.system.controller.logger.vo.operatelog.SysOperateLogCreateReqVO;
-import cn.iocoder.dashboard.util.json.JSONUtils;
+import cn.iocoder.dashboard.util.json.JsonUtils;
 import cn.iocoder.dashboard.util.servlet.ServletUtils;
 import com.google.common.collect.Maps;
 import io.swagger.annotations.Api;
@@ -319,7 +319,7 @@ public class OperateLogAspect {
             // 被忽略时，标记为 ignore 字符串，避免和 null 混在一起
             args.put(argName, !isIgnoreArgs(argValue) ? argValue : "[ignore]");
         }
-        return JSONUtils.toJSONString(args);
+        return JsonUtils.toJsonString(args);
     }
 
     private static String obtainResultData(Object result) {
@@ -327,7 +327,7 @@ public class OperateLogAspect {
         if (result instanceof CommonResult) {
             result = ((CommonResult<?>) result).getData();
         }
-        return JSONUtils.toJSONString(result);
+        return JsonUtils.toJsonString(result);
     }
 
     private static boolean isIgnoreArgs(Object object) {

src/main/java/cn/iocoder/dashboard/framework/mybatis/core/type/JsonLongSetTypeHandler.java

@@ -1,12 +1,10 @@
 package cn.iocoder.dashboard.framework.mybatis.core.type;
 
 import cn.iocoder.dashboard.modules.system.dal.mysql.dataobject.user.SysUserDO;
+import cn.iocoder.dashboard.util.json.JsonUtils;
 import com.baomidou.mybatisplus.extension.handlers.AbstractJsonTypeHandler;
-import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.core.type.TypeReference;
-import com.fasterxml.jackson.databind.ObjectMapper;
 
-import java.io.IOException;
 import java.util.Set;
 
 /**
@@ -17,29 +15,18 @@ import java.util.Set;
  *
  * @author 芋道源码
  */
-public class JacksonLongSetTypeHandler extends AbstractJsonTypeHandler<Object> {
-
-    // TODO 芋艿，需要将 Spring 的设置下进来
-    private static final ObjectMapper objectMapper = new ObjectMapper();
+public class JsonLongSetTypeHandler extends AbstractJsonTypeHandler<Object> {
 
     private static final TypeReference<Set<Long>> typeReference = new TypeReference<Set<Long>>(){};
 
     @Override
     protected Object parse(String json) {
-        try {
-            return objectMapper.readValue(json, typeReference);
-        } catch (IOException e) {
-            throw new RuntimeException(e);
-        }
+        return JsonUtils.parseObject(json, typeReference);
     }
 
     @Override
     protected String toJson(Object obj) {
-        try {
-            return objectMapper.writeValueAsString(obj);
-        } catch (JsonProcessingException e) {
-            throw new RuntimeException(e);
-        }
+        return JsonUtils.toJsonString(obj);
     }
 
 }

src/main/java/cn/iocoder/dashboard/framework/redis/core/pubsub/AbstractChannelMessageListener.java

@@ -1,7 +1,7 @@
 package cn.iocoder.dashboard.framework.redis.core.pubsub;
 
 import cn.hutool.core.util.ArrayUtil;
-import cn.iocoder.dashboard.util.json.JSONUtils;
+import cn.iocoder.dashboard.util.json.JsonUtils;
 import lombok.SneakyThrows;
 import org.springframework.data.redis.connection.Message;
 import org.springframework.data.redis.connection.MessageListener;
@@ -44,7 +44,7 @@ public abstract class AbstractChannelMessageListener<T extends ChannelMessage> i
 
     @Override
     public final void onMessage(Message message, byte[] bytes) {
-        T messageObj = JSONUtils.parseObject(message.getBody(), messageType);
+        T messageObj = JsonUtils.parseObject(message.getBody(), messageType);
         this.onMessage(messageObj);
     }
 

src/main/java/cn/iocoder/dashboard/framework/redis/core/util/RedisMessageUtils.java

@@ -1,7 +1,7 @@
 package cn.iocoder.dashboard.framework.redis.core.util;
 
 import cn.iocoder.dashboard.framework.redis.core.pubsub.ChannelMessage;
-import cn.iocoder.dashboard.util.json.JSONUtils;
+import cn.iocoder.dashboard.util.json.JsonUtils;
 import org.springframework.data.redis.core.RedisTemplate;
 
 /**
@@ -18,7 +18,7 @@ public class RedisMessageUtils {
      * @param message 消息
      */
     public static <T extends ChannelMessage>  void sendChannelMessage(RedisTemplate<?, ?> redisTemplate, T message) {
-        redisTemplate.convertAndSend(message.getChannel(), JSONUtils.toJSONString(message));
+        redisTemplate.convertAndSend(message.getChannel(), JsonUtils.toJsonString(message));
     }
 
 }

src/main/java/cn/iocoder/dashboard/modules/system/dal/mysql/dataobject/permission/SysRoleDO.java

@@ -2,7 +2,7 @@ package cn.iocoder.dashboard.modules.system.dal.mysql.dataobject.permission;
 
 import cn.iocoder.dashboard.common.enums.CommonStatusEnum;
 import cn.iocoder.dashboard.framework.mybatis.core.dataobject.BaseDO;
-import cn.iocoder.dashboard.framework.mybatis.core.type.JacksonLongSetTypeHandler;
+import cn.iocoder.dashboard.framework.mybatis.core.type.JsonLongSetTypeHandler;
 import cn.iocoder.dashboard.framework.security.core.enums.DataScopeEnum;
 import cn.iocoder.dashboard.modules.system.enums.permission.RoleCodeEnum;
 import cn.iocoder.dashboard.modules.system.enums.permission.SysRoleTypeEnum;
@@ -71,7 +71,7 @@ public class SysRoleDO extends BaseDO {
      *
      * 适用于 {@link #dataScope} 的值为 {@link DataScopeEnum#DEPT_CUSTOM} 时
      */
-    @TableField(typeHandler = JacksonLongSetTypeHandler.class)
+    @TableField(typeHandler = JsonLongSetTypeHandler.class)
     private Set<Long> dataScopeDeptIds;
 
 }

src/main/java/cn/iocoder/dashboard/modules/system/dal/mysql/dataobject/user/SysUserDO.java

@@ -2,7 +2,7 @@ package cn.iocoder.dashboard.modules.system.dal.mysql.dataobject.user;
 
 import cn.iocoder.dashboard.common.enums.CommonStatusEnum;
 import cn.iocoder.dashboard.framework.mybatis.core.dataobject.BaseDO;
-import cn.iocoder.dashboard.framework.mybatis.core.type.JacksonLongSetTypeHandler;
+import cn.iocoder.dashboard.framework.mybatis.core.type.JsonLongSetTypeHandler;
 import cn.iocoder.dashboard.modules.system.enums.common.SysSexEnum;
 import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableId;
@@ -54,7 +54,7 @@ public class SysUserDO extends BaseDO {
     /**
      * 岗位编号数组
      */
-    @TableField(typeHandler = JacksonLongSetTypeHandler.class)
+    @TableField(typeHandler = JsonLongSetTypeHandler.class)
     private Set<Long> postIds;
     /**
      * 用户邮箱

src/main/java/cn/iocoder/dashboard/modules/system/dal/redis/dao/auth/SysLoginUserRedisDAO.java

@@ -1,7 +1,7 @@
 package cn.iocoder.dashboard.modules.system.dal.redis.dao.auth;
 
 import cn.iocoder.dashboard.framework.security.core.LoginUser;
-import cn.iocoder.dashboard.util.json.JSONUtils;
+import cn.iocoder.dashboard.util.json.JsonUtils;
 import org.springframework.data.redis.core.StringRedisTemplate;
 import org.springframework.stereotype.Repository;
 
@@ -22,12 +22,12 @@ public class SysLoginUserRedisDAO {
 
     public LoginUser get(String sessionId) {
         String redisKey = formatKey(sessionId);
-        return JSONUtils.parseObject(stringRedisTemplate.opsForValue().get(redisKey), LoginUser.class);
+        return JsonUtils.parseObject(stringRedisTemplate.opsForValue().get(redisKey), LoginUser.class);
     }
 
     public void set(String sessionId, LoginUser loginUser) {
         String redisKey = formatKey(sessionId);
-        stringRedisTemplate.opsForValue().set(redisKey, JSONUtils.toJSONString(loginUser), LOGIN_USER.getTimeout());
+        stringRedisTemplate.opsForValue().set(redisKey, JsonUtils.toJsonString(loginUser), LOGIN_USER.getTimeout());
     }
 
     public void delete(String accessToken) {

src/main/java/cn/iocoder/dashboard/util/json/JsonUtils.java

@@ -1,25 +1,33 @@
 package cn.iocoder.dashboard.util.json;
 
 import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.ObjectMapper;
 
 import java.io.IOException;
+import java.util.Set;
 
 /**
  * JSON 工具类
  *
  * @author 芋道源码
  */
-public class JSONUtils {
+public class JsonUtils {
 
     private static ObjectMapper objectMapper = new ObjectMapper();
 
-    // TODO 芋艿，需要将 Spring 的设置下进来
-    public static void setObjectMapper(ObjectMapper objectMapper) {
-        JSONUtils.objectMapper = objectMapper;
+    /**
+     * 初始化 objectMapper 属性
+     *
+     * 通过这样的方式，使用 Spring 创建的 ObjectMapper Bean
+     *
+     * @param objectMapper ObjectMapper 对象
+     */
+    public static void init(ObjectMapper objectMapper) {
+        JsonUtils.objectMapper = objectMapper;
     }
 
-    public static String toJSONString(Object object) {
+    public static String toJsonString(Object object) {
         try {
             return objectMapper.writeValueAsString(object);
         } catch (JsonProcessingException e) {
@@ -43,4 +51,12 @@ public class JSONUtils {
         }
     }
 
+    public static Object parseObject(String text, TypeReference<Set<Long>> typeReference) {
+        try {
+            return objectMapper.readValue(text, typeReference);
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
 }

src/main/java/cn/iocoder/dashboard/util/servlet/ServletUtils.java

@@ -2,7 +2,7 @@ package cn.iocoder.dashboard.util.servlet;
 
 import cn.hutool.core.io.IoUtil;
 import cn.hutool.extra.servlet.ServletUtil;
-import cn.iocoder.dashboard.util.json.JSONUtils;
+import cn.iocoder.dashboard.util.json.JsonUtils;
 import org.springframework.http.MediaType;
 import org.springframework.web.context.request.RequestAttributes;
 import org.springframework.web.context.request.RequestContextHolder;
@@ -28,7 +28,7 @@ public class ServletUtils {
      */
     @SuppressWarnings("deprecation") // 必须使用 APPLICATION_JSON_UTF8_VALUE，否则会乱码
     public static void writeJSON(HttpServletResponse response, Object object) {
-        String content = JSONUtils.toJSONString(object);
+        String content = JsonUtils.toJsonString(object);
         ServletUtil.write(response, content, MediaType.APPLICATION_JSON_UTF8_VALUE);
     }