替换带代码里所有 fastjson 的内容，统一使用 jackson

不考虑使用 gson 的原因，是基本停止了维护

pom.xml

@@ -31,7 +31,6 @@
 <!--        <swagger.version>2.9.2</swagger.version>-->
 <!--		<kaptcha.version>2.3.2</kaptcha.version>-->
 <!--        <pagehelper.boot.version>1.3.0</pagehelper.boot.version>-->
-<!--        <fastjson.version>1.2.74</fastjson.version>-->
 <!--        <oshi.version>5.3.6</oshi.version>-->
 <!--        <jna.version>5.6.0</jna.version>-->
 <!--        <commons.io.version>2.5</commons.io.version>-->
@@ -55,7 +54,6 @@
         <lombok.version>1.16.14</lombok.version>
         <mapstruct.version>1.4.1.Final</mapstruct.version>
         <jjwt.version>0.9.1</jjwt.version>
-        <fastjson.version>1.2.75</fastjson.version>
         <hutool.version>5.5.6</hutool.version>
         <easyexcel.verion>2.2.7</easyexcel.verion>
     </properties>
@@ -64,32 +62,6 @@
     <dependencyManagement>
         <dependencies>
 
-<!--            &lt;!&ndash; 解析客户端操作系统、浏览器等 &ndash;&gt;-->
-<!--            <dependency>-->
-<!--                <groupId>eu.bitwalker</groupId>-->
-<!--                <artifactId>UserAgentUtils</artifactId>-->
-<!--                <version>${bitwalker.version}</version>-->
-<!--            </dependency>-->
-
-<!--            &lt;!&ndash; 获取系统信息 &ndash;&gt;-->
-<!--            <dependency>-->
-<!--                <groupId>com.github.oshi</groupId>-->
-<!--                <artifactId>oshi-core</artifactId>-->
-<!--                <version>${oshi.version}</version>-->
-<!--            </dependency>-->
-
-<!--            <dependency>-->
-<!--                <groupId>net.java.dev.jna</groupId>-->
-<!--                <artifactId>jna</artifactId>-->
-<!--                <version>${jna.version}</version>-->
-<!--            </dependency>-->
-
-<!--            <dependency>-->
-<!--                <groupId>net.java.dev.jna</groupId>-->
-<!--                <artifactId>jna-platform</artifactId>-->
-<!--                <version>${jna.version}</version>-->
-<!--            </dependency>-->
-
 <!--            &lt;!&ndash;velocity代码生成使用模板 &ndash;&gt;-->
 <!--            <dependency>-->
 <!--                <groupId>org.apache.velocity</groupId>-->
@@ -211,25 +183,12 @@
             <version>${jjwt.version}</version>
         </dependency>
 
-        <dependency>
-            <groupId>com.alibaba</groupId>
-            <artifactId>fastjson</artifactId>
-            <version>${fastjson.version}</version>
-        </dependency>
-
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
             <version>${lombok.version}</version>
         </dependency>
 
-        <dependency>
-            <!-- 解析客户端操作系统、浏览器等 TODO 芋艿：后面看看 hutool 有没替代 -->
-            <groupId>eu.bitwalker</groupId>
-            <artifactId>UserAgentUtils</artifactId>
-            <version>1.21</version>
-        </dependency>
-
         <dependency>
             <groupId>org.mapstruct</groupId>
             <artifactId>mapstruct</artifactId> <!-- use mapstruct-jdk8 for Java 8 or higher -->

ruoyi-ui/src/utils/request.js

@@ -61,9 +61,10 @@ service.interceptors.response.use(res => {
         }
       ).then(() => {
         store.dispatch('LogOut').then(() => {
-          if (location.pathname !== '/login') { // 避免重复跳转
+          // if (location.pathname !== '/login') { // 避免重复跳转
+          //
+          // }
           location.href = '/index';
-          }
         })
       })
     } else if (code === 500) {

src/main/java/cn/iocoder/dashboard/common/pojo/CommonResult.java

@@ -4,7 +4,6 @@ import cn.iocoder.dashboard.common.exception.ErrorCode;
 import cn.iocoder.dashboard.common.exception.GlobalException;
 import cn.iocoder.dashboard.common.exception.ServiceException;
 import cn.iocoder.dashboard.common.exception.enums.GlobalErrorCodeConstants;
-import com.alibaba.fastjson.annotation.JSONField;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import lombok.Data;
 import org.springframework.util.Assert;
@@ -69,13 +68,11 @@ public final class CommonResult<T> implements Serializable {
         return result;
     }
 
-    @JSONField(serialize = false) // 避免 fastjson 序列化
     @JsonIgnore // 避免 jackson 序列化
     public boolean isSuccess() {
         return GlobalErrorCodeConstants.SUCCESS.getCode().equals(code);
     }
 
-    @JSONField(serialize = false) // 避免 fastjson 序列化
     @JsonIgnore // 避免 jackson 序列化
     public boolean isError() {
         return !isSuccess();

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

@@ -11,8 +11,8 @@ 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.servlet.ServletUtils;
-import com.alibaba.fastjson.JSON;
 import com.google.common.collect.Maps;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
@@ -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 JSON.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 JSON.toJSONString(result);
+        return JSONUtils.toJSONString(result);
     }
 
     private static boolean isIgnoreArgs(Object object) {

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

@@ -0,0 +1,45 @@
+package cn.iocoder.dashboard.framework.mybatis.core.type;
+
+import cn.iocoder.dashboard.modules.system.dal.mysql.dataobject.user.SysUserDO;
+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;
+
+/**
+ * 参考 {@link com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler} 实现
+ * 在我们将字符串反序列化为 Set 并且泛型为 Long 时，如果每个元素的数值太小，会被处理成 Integer 类型，导致可能存在隐性的 BUG。
+ *
+ * 例如说哦，{@link SysUserDO#getPostIds()} 属性
+ *
+ * @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();
+
+    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);
+        }
+    }
+
+    @Override
+    protected String toJson(Object obj) {
+        try {
+            return objectMapper.writeValueAsString(obj);
+        } catch (JsonProcessingException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+}

src/main/java/cn/iocoder/dashboard/framework/redis/config/RedisConfig.java

@@ -1,7 +1,6 @@
 package cn.iocoder.dashboard.framework.redis.config;
 
 import cn.iocoder.dashboard.framework.redis.core.pubsub.AbstractChannelMessageListener;
-import com.alibaba.fastjson.support.spring.GenericFastJsonRedisSerializer;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
@@ -29,7 +28,7 @@ public class RedisConfig {
         // 使用 String 序列化方式，序列化 KEY 。
         template.setKeySerializer(RedisSerializer.string());
         // 使用 JSON 序列化方式（库是 FastJSON ），序列化 VALUE 。
-        template.setValueSerializer(new GenericFastJsonRedisSerializer());
+        template.setValueSerializer(RedisSerializer.json());
         return template;
     }
 

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

@@ -1,6 +1,6 @@
 package cn.iocoder.dashboard.framework.redis.core.pubsub;
 
-import com.alibaba.fastjson.annotation.JSONField;
+import com.fasterxml.jackson.annotation.JsonIgnore;
 
 /**
  * Redis Channel Message 接口
@@ -12,7 +12,7 @@ public interface ChannelMessage {
      *
      * @return Channel
      */
-    @JSONField(serialize = false) // 必须序列化
+    @JsonIgnore // 必须序列化
     String getChannel();
 
 }

src/main/java/cn/iocoder/dashboard/framework/security/core/LoginUser.java

@@ -1,7 +1,7 @@
 package cn.iocoder.dashboard.framework.security.core;
 
 import cn.iocoder.dashboard.common.enums.CommonStatusEnum;
-import com.alibaba.fastjson.annotation.JSONField;
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import lombok.Data;
 import org.springframework.security.core.GrantedAuthority;
 import org.springframework.security.core.userdetails.UserDetails;
@@ -49,43 +49,43 @@ public class LoginUser implements UserDetails {
     private Integer status;
 
     @Override
-    @JSONField(serialize = false) // 避免序列化
+    @JsonIgnore// 避免序列化
     public String getPassword() {
         return password;
     }
 
     @Override
-    @JSONField(serialize = false) // 避免序列化
+    @JsonIgnore
     public String getUsername() {
         return username;
     }
 
     @Override
-    @JSONField(serialize = false) // 避免序列化
+    @JsonIgnore// 避免序列化
     public boolean isEnabled() {
         return CommonStatusEnum.ENABLE.getStatus().equals(status);
     }
 
     @Override
-    @JSONField(serialize = false) // 避免序列化
+    @JsonIgnore// 避免序列化
     public Collection<? extends GrantedAuthority> getAuthorities() {
         return null;
     }
 
     @Override
-    @JSONField(serialize = false) // 避免序列化
+    @JsonIgnore// 避免序列化
     public boolean isAccountNonExpired() {
         return true; // 返回 true，不依赖 Spring Security 判断
     }
 
     @Override
-    @JSONField(serialize = false) // 避免序列化
+    @JsonIgnore// 避免序列化
     public boolean isAccountNonLocked() {
         return true; // 返回 true，不依赖 Spring Security 判断
     }
 
     @Override
-    @JSONField(serialize = false) // 避免序列化
+    @JsonIgnore// 避免序列化
     public boolean isCredentialsNonExpired() {
         return true;  // 返回 true，不依赖 Spring Security 判断
     }

src/main/java/cn/iocoder/dashboard/framework/web/config/WebConfiguration.java

@@ -1,15 +1,9 @@
 package cn.iocoder.dashboard.framework.web.config;
 
-import cn.iocoder.dashboard.util.servlet.ServletUtils;
-import com.alibaba.fastjson.serializer.SerializerFeature;
-import com.alibaba.fastjson.support.config.FastJsonConfig;
-import com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.core.annotation.Order;
-import org.springframework.http.MediaType;
-import org.springframework.http.converter.HttpMessageConverter;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.cors.CorsConfiguration;
 import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
@@ -18,10 +12,6 @@ import org.springframework.web.servlet.config.annotation.PathMatchConfigurer;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 
 import javax.annotation.Resource;
-import javax.servlet.http.HttpServletRequest;
-import java.nio.charset.Charset;
-import java.util.Collections;
-import java.util.List;
 
 /**
  * Web 配置类
@@ -40,46 +30,6 @@ public class WebConfiguration implements WebMvcConfigurer {
                 && clazz.getPackage().getName().startsWith(webProperties.getControllerPackage()));
     }
 
-    // ========== MessageConverter 相关 ==========
-
-    @Override
-    public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
-        // 创建 FastJsonHttpMessageConverter 对象
-        // 重写 canRead 和 canWrite 方法，判断只处理自己写的 API 为前缀的 URL。原因是，FastJSON 和一些三方框架集成存在问题，例如说：
-        //      1. 与 Spring Boot Admin 时，由于 Registration 基于 Builder 构造对象，导致它无法反序列化
-        //      2. 与 Spring Boot Actuator 时，貌似也存在问题，具体还没去排查。
-        // 但是，为什么不替换回 Jackson 呢？
-        // 原因是，一些 Number 数值比较小时，反序列化回来是 Integer 类型，实际是 Long 类型。此时，在序列化时，会报 Integer 无法转换成 Long 的异常
-        FastJsonHttpMessageConverter fastJsonHttpMessageConverter = new FastJsonHttpMessageConverter() {
-
-            @Override
-            protected boolean canRead(MediaType mediaType) {
-                return isApiPrefix() && super.canRead(mediaType);
-            }
-
-            @Override
-            protected boolean canWrite(MediaType mediaType) {
-                return isApiPrefix() && super.canWrite(mediaType);
-            }
-
-            private boolean isApiPrefix() {
-                HttpServletRequest request = ServletUtils.getRequest();
-                return request != null && request.getRequestURI().startsWith(webProperties.getApiPrefix());
-            }
-
-        };
-        // 自定义 FastJson 配置
-        FastJsonConfig fastJsonConfig = new FastJsonConfig();
-        fastJsonConfig.setCharset(Charset.defaultCharset()); // 设置字符集
-        fastJsonConfig.setSerializerFeatures(SerializerFeature.DisableCircularReferenceDetect, // 剔除循环引用
-                SerializerFeature.WriteNonStringKeyAsString); // 解决 Integer 作为 Key 时，转换为 String 类型，避免浏览器报错
-        fastJsonHttpMessageConverter.setFastJsonConfig(fastJsonConfig);
-        // 设置支持的 MediaType
-        fastJsonHttpMessageConverter.setSupportedMediaTypes(Collections.singletonList(MediaType.APPLICATION_JSON));
-        // 添加到 converters 中
-        converters.add(0, fastJsonHttpMessageConverter); // 注意，添加到最开头，放在 MappingJackson2XmlHttpMessageConverter 前面
-    }
-
     // ========== Filter 相关 ==========
 
     /**

src/main/java/cn/iocoder/dashboard/modules/system/dal/mysql/dataobject/logger/SysOperateLogDO.java

@@ -1,13 +1,13 @@
 package cn.iocoder.dashboard.modules.system.dal.mysql.dataobject.logger;
 
 import cn.iocoder.dashboard.common.pojo.CommonResult;
+import cn.iocoder.dashboard.framework.logger.operatelog.core.enums.OperateTypeEnum;
 import cn.iocoder.dashboard.framework.mybatis.core.dataobject.BaseDO;
 import cn.iocoder.dashboard.modules.system.dal.mysql.dataobject.user.SysUserDO;
-import cn.iocoder.dashboard.framework.logger.operatelog.core.enums.OperateTypeEnum;
 import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
-import com.baomidou.mybatisplus.extension.handlers.FastjsonTypeHandler;
+import com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 
@@ -75,7 +75,7 @@ public class SysOperateLogDO extends BaseDO {
      * 拓展字段，有些复杂的业务，需要记录一些字段
      * 例如说，记录订单编号，则可以添加 key 为 "orderId"，value 为订单编号
      */
-    @TableField(typeHandler = FastjsonTypeHandler.class)
+    @TableField(typeHandler = JacksonTypeHandler.class)
     private Map<String, Object> exts;
 
     /**

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

@@ -2,13 +2,13 @@ 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.security.core.enums.DataScopeEnum;
 import cn.iocoder.dashboard.modules.system.enums.permission.RoleCodeEnum;
 import cn.iocoder.dashboard.modules.system.enums.permission.SysRoleTypeEnum;
 import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
-import com.baomidou.mybatisplus.extension.handlers.FastjsonTypeHandler;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 
@@ -71,7 +71,7 @@ public class SysRoleDO extends BaseDO {
      *
      * 适用于 {@link #dataScope} 的值为 {@link DataScopeEnum#DEPT_CUSTOM} 时
      */
-    @TableField(typeHandler = FastjsonTypeHandler.class)
+    @TableField(typeHandler = JacksonLongSetTypeHandler.class)
     private Set<Long> dataScopeDeptIds;
 
 }

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

@@ -2,11 +2,11 @@ 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.modules.system.enums.common.SysSexEnum;
 import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
-import com.baomidou.mybatisplus.extension.handlers.FastjsonTypeHandler;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
@@ -54,7 +54,7 @@ public class SysUserDO extends BaseDO {
     /**
      * 岗位编号数组
      */
-    @TableField(typeHandler = FastjsonTypeHandler.class)
+    @TableField(typeHandler = JacksonLongSetTypeHandler.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 com.alibaba.fastjson.JSON;
+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 JSON.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, JSON.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/modules/system/dal/redis/dao/common/SysCaptchaRedisDAO.java

@@ -1,12 +1,9 @@
 package cn.iocoder.dashboard.modules.system.dal.redis.dao.common;
 
-import cn.iocoder.dashboard.framework.security.core.LoginUser;
-import com.alibaba.fastjson.JSON;
 import org.springframework.data.redis.core.StringRedisTemplate;
 import org.springframework.stereotype.Repository;
 
 import javax.annotation.Resource;
-
 import java.time.Duration;
 
 import static cn.iocoder.dashboard.modules.system.dal.redis.RedisKeyConstants.CAPTCHA_CODE;

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

@@ -1,6 +1,9 @@
 package cn.iocoder.dashboard.util.json;
 
-import com.alibaba.fastjson.JSON;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import java.io.IOException;
 
 /**
  * JSON 工具类
@@ -9,16 +12,35 @@ import com.alibaba.fastjson.JSON;
  */
 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;
+    }
+
     public static String toJSONString(Object object) {
-        return JSON.toJSONString(object);
+        try {
+            return objectMapper.writeValueAsString(object);
+        } catch (JsonProcessingException e) {
+            throw new RuntimeException(e);
+        }
     }
 
     public static <T> T parseObject(String text, Class<T> clazz) {
-        return JSON.parseObject(text, clazz);
+        try {
+            return objectMapper.readValue(text, clazz);
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
     }
 
     public static <T> T parseObject(byte[] bytes, Class<T> clazz) {
-        return JSON.parseObject(bytes, clazz);
+        try {
+            return objectMapper.readValue(bytes, clazz);
+        } 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 com.alibaba.fastjson.JSON;
+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 = JSON.toJSONString(object);
+        String content = JSONUtils.toJSONString(object);
         ServletUtil.write(response, content, MediaType.APPLICATION_JSON_UTF8_VALUE);
     }
 

src/main/resources/application.yaml

@@ -31,6 +31,11 @@ spring:
         url: http://127.0.0.1:8080/${spring.boot.admin.context-path} # 设置 Spring Boot Admin Server 地址
       # Spring Boot Admin Server 服务端的相关配置
       context-path: /admin # 配置 Spring
+  # Jackson 配置项
+  jackson:
+    serialization:
+      write-dates-as-timestamps: true # 设置时间的格式，使用时间戳
+      write-date-timestamps-as-nanoseconds: false # 设置不使用 nanoseconds 的格式。例如说 1611460870.401，而是直接 1611460870401
 
 # 芋道配置项，设置当前项目所有自定义的配置
 yudao: