修复了添加项目组成员时可以添加root的问题，不会直接处理已存在成员的问题，可以更新不存在成员的问题；更改了下载导入模板的接口，登入banIP的存储方式，get公告时的返回参数；在跨域拦截器中添加了测试用代码

src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/config/RedisConfig.java

@@ -6,6 +6,7 @@ import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.data.redis.connection.RedisConnectionFactory;
 import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.data.redis.core.StringRedisTemplate;
 import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
 
 import javax.annotation.Resource;
@@ -36,4 +37,11 @@ public class RedisConfig {
         return template;
     }
 
+    @Bean
+    public StringRedisTemplate stringRedisTemplate() {
+        StringRedisTemplate template = new StringRedisTemplate();
+        template.setConnectionFactory(factory);
+        return template;
+    }
+
 }

src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/config/SerializeConfig.java

@@ -1,8 +1,10 @@
 package cn.edu.hfut.rmdjzz.projectmanagement.config;
 
+import cn.edu.hfut.rmdjzz.projectmanagement.utils.http.IPAddress;
 import com.fasterxml.jackson.core.JsonGenerator;
 import com.fasterxml.jackson.core.JsonParser;
 import com.fasterxml.jackson.databind.*;
+import com.fasterxml.jackson.databind.module.SimpleModule;
 import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
 import lombok.SneakyThrows;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -25,11 +27,32 @@ public class SerializeConfig {
 
     @Bean
     public ObjectMapper objectMapper() {
-
         ObjectMapper om = new ObjectMapper();
+        om.registerModule(javaTimeModule());
+        om.registerModule(customClassModule());
+        return om;
+    }
+
+    @SuppressWarnings({"Convert2Diamond", "NullableProblems", "rawtypes"})
+    @Bean
+    public Converter<String, Map> mapConverter() {
+        return new Converter<String, Map>() {
+
+            @Autowired
+            private ObjectMapper objectMapper;
+
+            @SneakyThrows
+            @Override
+            public Map convert(String source) {
+                return objectMapper.readValue(source, Map.class);
+            }
+        };
+    }
+
+    private JavaTimeModule javaTimeModule() {
         JavaTimeModule javaTimeModule = new JavaTimeModule();
 
-        //LocalDataTime
+        //LocalDateTime
         javaTimeModule.addSerializer(LocalDateTime.class, new JsonSerializer<>() {
             @Override
             public void serialize(LocalDateTime value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
@@ -77,24 +100,27 @@ public class SerializeConfig {
             }
         });
 
-        om.registerModule(javaTimeModule);
+        return javaTimeModule;
-        return om;
     }
 
-    @SuppressWarnings({"Convert2Diamond", "NullableProblems", "rawtypes"})
+    //TODO: Redis可能改成tostringSerializer
-    @Bean
+    private SimpleModule customClassModule() {
-    public Converter<String, Map> mapConverter() {
+        SimpleModule customClassModule = new SimpleModule("CustomClassModule");
-        return new Converter<String, Map>() {
+        customClassModule.addSerializer(IPAddress.class, new JsonSerializer<>() {
-
-            @Autowired
-            private ObjectMapper objectMapper;
-
-            @SneakyThrows
             @Override
-            public Map convert(String source) {
+            public void serialize(IPAddress value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
-                return objectMapper.readValue(source, Map.class);
+                if (value != null) {
+                    gen.writeString(value.toString());
+                }
             }
-        };
+        });
+        customClassModule.addDeserializer(IPAddress.class, new JsonDeserializer<>() {
+            @Override
+            public IPAddress deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
+                return IPAddress.of(Long.decode(p.getValueAsString()));
+            }
+        });
+        return customClassModule;
     }
 
 }

src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/config/WebConfig.java

@@ -32,6 +32,7 @@ public class WebConfig implements WebMvcConfigurer {
                 .excludePathPatterns("/hello", "/error") //测试
                 .excludePathPatterns("/staff/login") //登录
                 .excludePathPatterns("/swagger-ui.html", "/swagger-resources/**", "/swagger-ui/**",
-                        "/v2/**", "/v3/**", "/webjars/**", "/doc.html"); //swagger
+                        "/v2/**", "/v3/**", "/webjars/**", "/doc.html") //swagger
+                .excludePathPatterns("/favicon.ico", "/public/**"); //静态资源
     }
 }

src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/controller/AnnouncementController.java

@@ -46,7 +46,7 @@ public class AnnouncementController {
         if (projectGroupService.getProjectAccessLevel(token, projectId) == 0) {
             throw new ForbiddenException(IProjectGroupService.UNABLE_TO_ACCESS_PROJECT);
         }
-        return ResponseMap.ofSuccess(announcementService.getAnnouncementById(announcementId));
+        return ResponseMap.ofSuccess(announcementService.getAnnouncementById(projectId, announcementId));
     }
 
     @SneakyThrows

src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/controller/StaffController.java

@@ -2,7 +2,6 @@ package cn.edu.hfut.rmdjzz.projectmanagement.controller;
 
 import cn.edu.hfut.rmdjzz.projectmanagement.entity.Staff;
 import cn.edu.hfut.rmdjzz.projectmanagement.exception.BadRequestException;
-import cn.edu.hfut.rmdjzz.projectmanagement.exception.ForbiddenException;
 import cn.edu.hfut.rmdjzz.projectmanagement.exception.TokenException;
 import cn.edu.hfut.rmdjzz.projectmanagement.service.IStaffService;
 import cn.edu.hfut.rmdjzz.projectmanagement.utils.FileUtils;
@@ -12,12 +11,12 @@ import cn.edu.hfut.rmdjzz.projectmanagement.utils.http.ResponseMap;
 import io.swagger.v3.oas.annotations.Parameter;
 import lombok.SneakyThrows;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
 import org.springframework.util.DigestUtils;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.multipart.MultipartFile;
 
 import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
 import java.util.Objects;
 
 /**
@@ -72,7 +71,8 @@ public class StaffController {
         return ResponseMap.ofSuccess("成功导入" + successCount + "条数据");
     }
 
-    @SneakyThrows
+    //取消功能
+    /*@SneakyThrows
     @GetMapping("/import/template")
     public void downloadTemplate(
             @RequestHeader(TokenUtils.HEADER_TOKEN) String token,
@@ -81,9 +81,18 @@ public class StaffController {
         if (TokenUtils.getStaffGlobalLevel(token) > 2) {
             throw new ForbiddenException(ForbiddenException.UNABLE_TO_OPERATE);
         }
-        if (FileUtils.downloadResource("static/账户导入模板.xlsx", response)) {
+        if (FileUtils.downloadResource("static/public/账户导入模板.xlsx", response)) {
             return;
         }
         throw new BadRequestException(BadRequestException.OPERATE_FAILED);
+    }*/
+
+    @SneakyThrows
+    @GetMapping("/import/template")
+    @ResponseStatus(HttpStatus.SEE_OTHER)
+    public ResponseMap downloadTemplate() {
+        return ResponseMap.of(HttpStatus.SEE_OTHER.value(),
+                HttpStatus.SEE_OTHER.getReasonPhrase())
+                .put("URI","/public/账户导入模板.xlsx");
     }
 }

src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/entity/dto/AnnouncementDTO.java

@@ -13,6 +13,7 @@ public class AnnouncementDTO {
     private Long announcementId;
     private Integer announcementPublisherId;
     private String announcementPublisherName;
+    private Integer announcementPublisherAccessLevel;
     private LocalDateTime announcementPublishTime;
     private String announcementTitle;
     private String announcementContent;

src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/interceptor/CorsInterceptor.java

@@ -7,6 +7,8 @@ import org.springframework.web.servlet.HandlerInterceptor;
 
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
+import java.util.Enumeration;
+import java.util.Iterator;
 
 /**
  * @author 张韬
@@ -20,7 +22,15 @@ public class CorsInterceptor implements HandlerInterceptor {
         response.setHeader("Access-Control-Allow-Origin", "*");
         response.setHeader("Access-Control-Allow-Methods", "*");
         response.setHeader("Access-Control-Allow-Headers", "Content-Type,Token");
-        response.setHeader("Access-Control-Allow-Credentials","false");
+        response.setHeader("Access-Control-Allow-Credentials", "false");
+
+        //test
+        Enumeration<String> headerNames = request.getHeaderNames();
+        Iterator<String> nameIter = headerNames.asIterator();
+        while (nameIter.hasNext()) {
+            System.out.println(nameIter.next());
+        }
+
         // 如果是OPTIONS则结束请求
         if (HttpMethod.OPTIONS.toString().equals(request.getMethod())) {
             response.setStatus(HttpStatus.OK.value());

src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/mapper/AnnouncementMapper.java

@@ -14,5 +14,5 @@ import java.util.List;
 public interface AnnouncementMapper extends BaseMapper<Announcement> {
     List<AnnouncementDTO> selectAnnouncementList(@Param("projectId") Integer projectId);
 
-    AnnouncementDTO selectAnnouncementById(@Param("announcementId") Long announcementId);
+    AnnouncementDTO selectAnnouncementById(@Param("projectId") Integer projectId, @Param("announcementId") Long announcementId);
 }

src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/service/IAnnouncementService.java

@@ -16,7 +16,7 @@ public interface IAnnouncementService extends IService<Announcement> {
 
     List<AnnouncementDTO> getAnnouncementList(Integer projectId);
 
-    AnnouncementDTO getAnnouncementById(Long announcementId);
+    AnnouncementDTO getAnnouncementById(Integer projectId, Long announcementId);
 
     Boolean updateAnnouncement(String token, Integer projectId, Announcement announcement) throws ForbiddenException, BadRequestException;
 

src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/service/IProjectGroupService.java

@@ -28,7 +28,7 @@ public interface IProjectGroupService extends IService<ProjectGroup> {
 
     Boolean removeMember(String token, Integer projectId, Integer targetId) throws ForbiddenException, BadRequestException;
 
-    Boolean updateStaffPositions(String token, Integer projectId, Integer targetId, String positions) throws ForbiddenException;
+    Boolean updateStaffPositions(String token, Integer projectId, Integer targetId, String positions) throws ForbiddenException, BadRequestException;
 
     /**
      * @return 如果不存在就返回0，否则返回AccessLevel；对于全局权限为1的用户，直接返回1

src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/service/impl/AnnouncementServiceImpl.java

@@ -31,8 +31,8 @@ public class AnnouncementServiceImpl extends ServiceImpl<AnnouncementMapper, Ann
     }
 
     @Override
-    public AnnouncementDTO getAnnouncementById(Long announcementId) {
+    public AnnouncementDTO getAnnouncementById(Integer projectId, Long announcementId) {
-        return baseMapper.selectAnnouncementById(announcementId);
+        return baseMapper.selectAnnouncementById(projectId, announcementId);
     }
 
     @Override
@@ -64,8 +64,7 @@ public class AnnouncementServiceImpl extends ServiceImpl<AnnouncementMapper, Ann
             throw new ForbiddenException(ForbiddenException.UNABLE_TO_OPERATE);
         }
         Announcement rawAnnouncement = baseMapper.selectOne(Wrappers.<Announcement>lambdaQuery()
-                .select(Announcement::getProjectId)
+                .select(Announcement::getProjectId, Announcement::getAnnouncementPublisherId)
-                .select(Announcement::getAnnouncementPublisherId)
                 .eq(Announcement::getAnnouncementId, announcementId)
         );
         if (!Objects.equals(projectId, rawAnnouncement.getProjectId())) {

src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/service/impl/ProjectGroupServiceImpl.java

@@ -44,6 +44,9 @@ public class ProjectGroupServiceImpl extends ServiceImpl<ProjectGroupMapper, Pro
 
     @Override
     public Boolean insertNewMember(String token, Integer projectId, String targetUsername, String positions) throws ForbiddenException, BadRequestException {
+        if (targetUsername.equals("root")) {
+            throw new BadRequestException(IStaffService.STAFF_DOES_NOT_EXIST);
+        }
         int accessLevel = getProjectAccessLevel(token, projectId);
         int targetLevel = 3;
 
@@ -51,6 +54,9 @@ public class ProjectGroupServiceImpl extends ServiceImpl<ProjectGroupMapper, Pro
         if (targetStaff == null) {
             throw new BadRequestException(IStaffService.STAFF_DOES_NOT_EXIST);
         }
+        if (getProjectAccessLevelIgnoreGlobalLevel(targetStaff.getStaffId(), projectId) != 0) {
+            throw new BadRequestException("该成员已经在本项目中");
+        }
 
         if (accessLevel == 0) {
             throw new ForbiddenException(IProjectGroupService.UNABLE_TO_ACCESS_PROJECT);
@@ -91,9 +97,12 @@ public class ProjectGroupServiceImpl extends ServiceImpl<ProjectGroupMapper, Pro
     }
 
     @Override
-    public Boolean updateStaffPositions(String token, Integer projectId, Integer targetId, String positions) throws ForbiddenException {
+    public Boolean updateStaffPositions(String token, Integer projectId, Integer targetId, String positions) throws ForbiddenException, BadRequestException {
         int accessLevel = getProjectAccessLevel(token, projectId);
-        int originTargetLevel = getProjectAccessLevelIgnoreGlobalLevel(targetId,  projectId);
+        int originTargetLevel = getProjectAccessLevelIgnoreGlobalLevel(targetId, projectId);
+        if (originTargetLevel == 0) {
+            throw new BadRequestException("该项目中不存在该成员");
+        }
         int targetLevel = 3;
 
         if (accessLevel == 0) {

src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/service/impl/StaffServiceImpl.java

@@ -9,6 +9,7 @@ import cn.edu.hfut.rmdjzz.projectmanagement.utils.BeanUtils;
 import cn.edu.hfut.rmdjzz.projectmanagement.utils.MapBuilder;
 import cn.edu.hfut.rmdjzz.projectmanagement.utils.TimeUtils;
 import cn.edu.hfut.rmdjzz.projectmanagement.utils.TokenUtils;
+import cn.edu.hfut.rmdjzz.projectmanagement.utils.http.IPAddress;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import lombok.extern.slf4j.Slf4j;
@@ -45,34 +46,35 @@ public class StaffServiceImpl extends ServiceImpl<StaffMapper, Staff> implements
     @SuppressWarnings("ConstantConditions")
     @Override
     public Map<String, Object> login(String requestIpAddress, String staffUsername, String password) throws BadRequestException, ForbiddenException {
-        if (Boolean.FALSE.equals(redisTemplate.hasKey(requestIpAddress))) {
+        String requestIpAddressHex = IPAddress.of(requestIpAddress).toString();
-            redisTemplate.opsForValue().set(requestIpAddress, 0, LOGIN_TRY_COUNT_TIMEOUT, TimeUnit.MINUTES);
+        if (Boolean.FALSE.equals(redisTemplate.hasKey(requestIpAddressHex))) {
+            redisTemplate.opsForValue().set(requestIpAddressHex, 0, LOGIN_TRY_COUNT_TIMEOUT, TimeUnit.MINUTES);
         }
-        int loginCount = (int) redisTemplate.opsForValue().get(requestIpAddress);
+        int loginCount = (int) redisTemplate.opsForValue().get(requestIpAddressHex);
 
         if (loginCount >= LOGIN_MAX_TRY_COUNT) {
             throw new ForbiddenException(String.format("还需要等待%s才能登录"
-                    , TimeUtils.secondsFormat(redisTemplate.getExpire(requestIpAddress))));
+                    , TimeUtils.secondsFormat(redisTemplate.getExpire(requestIpAddressHex))));
         }
 
         if (staffUsername == null || staffUsername.strip().length() == 0)
             //throw new BadRequestException("用户名为空");
-            throwLoginException(requestIpAddress, loginCount);
+            throw loginException(requestIpAddressHex, loginCount);
         if (!staffUsername.equals(staffUsername.replaceAll("[^a-zA-Z0-9]", "")))
             //throw new BadRequestException("用户名格式错误");
-            throwLoginException(requestIpAddress, loginCount);
+            throw loginException(requestIpAddressHex, loginCount);
         if (password == null || password.trim().length() != 32)
             //throw new BadRequestException("密码格式错误");
-            throwLoginException(requestIpAddress, loginCount);
+            throw loginException(requestIpAddressHex, loginCount);
 
         Staff staff = getOne(Wrappers.<Staff>lambdaQuery().eq(Staff::getStaffUsername, staffUsername));
         if (staff == null)
             //throw new BadRequestException(STAFF_DOES_NOT_EXIST);
-            throwLoginException(requestIpAddress, loginCount);
+            throw loginException(requestIpAddressHex, loginCount);
 
         password = DigestUtils.md5DigestAsHex((password + staff.getStaffSalt()).getBytes());
         if (!staff.getStaffPassword().equals(password)) {
-            throwLoginException(requestIpAddress, loginCount);
+            throw loginException(requestIpAddressHex, loginCount);
         }
         String token = TokenUtils.getToken(staff.getStaffUsername(), staff.getStaffId(), staff.getStaffGlobalLevel(), tokenDuration);
         redisTemplate.opsForValue().set(
@@ -80,15 +82,16 @@ public class StaffServiceImpl extends ServiceImpl<StaffMapper, Staff> implements
                 token,
                 Objects.requireNonNull(TokenUtils.getDuration(token)), TimeUnit.SECONDS
         );
+        redisTemplate.delete(requestIpAddressHex);
         return new MapBuilder()
                 .put(TokenUtils.HEADER_TOKEN, token)
                 .putAll(BeanUtils.beanToMap(staff, false))
                 .build();
     }
 
-    private void throwLoginException(String requestIpAddress, int loginCount) throws BadRequestException {
+    private BadRequestException loginException(String requestIpAddress, int loginCount) {
         redisTemplate.opsForValue().set(requestIpAddress, ++loginCount, LOGIN_TRY_COUNT_TIMEOUT, TimeUnit.MINUTES);
-        throw new BadRequestException(String.format("登录失败，%d分钟内还有%d次登录机会", LOGIN_TRY_COUNT_TIMEOUT, LOGIN_MAX_TRY_COUNT - loginCount));
+        return new BadRequestException(String.format("登录失败，%d分钟内还有%d次登录机会", LOGIN_TRY_COUNT_TIMEOUT, LOGIN_MAX_TRY_COUNT - loginCount));
     }
 
     @Override

src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/utils/http/IPAddress.java

@@ -0,0 +1,43 @@
+package cn.edu.hfut.rmdjzz.projectmanagement.utils.http;
+
+import lombok.AllArgsConstructor;
+
+import java.util.Collections;
+import java.util.LinkedList;
+import java.util.List;
+
+/**
+ * @author 佘语殊
+ * @since 2022/7/12 17:12
+ */
+@AllArgsConstructor(staticName = "of")
+public class IPAddress {
+    private long ipHex;
+
+    public static IPAddress of(String ip) {
+        long ipHex = 0;
+        String[] split = ip.split("\\.");
+        for (String s : split) {
+            ipHex = (ipHex << 8) + Integer.parseInt(s);
+        }
+        return new IPAddress(ipHex);
+    }
+
+    public String getIpString() {
+        List<String> ipSectionList = new LinkedList<>();
+        long tempHex = ipHex;
+        int section;
+        while (tempHex > 0) {
+            section = (int) (tempHex & 0xFF);
+            ipSectionList.add(String.valueOf(section));
+            tempHex >>= 8;
+        }
+        Collections.reverse(ipSectionList);
+        return String.join(".", ipSectionList);
+    }
+
+    @Override
+    public String toString() {
+        return "#" + Long.toHexString(ipHex);
+    }
+}

src/main/resources/mapper/AnnouncementMapper.xml

@@ -12,7 +12,7 @@
                announcement_publish_time,
                announcement_title
         FROM announcement
-                 JOIN (SELECT staff_id, staff_fullname FROM staff) s
+                 JOIN (SELECT staff_id, staff_fullname FROM staff) AS s
                       ON staff_id = announcement.announcement_publisher_id
         WHERE is_deleted = 0
           AND project_id = #{projectId}
@@ -21,13 +21,18 @@
     <select id="selectAnnouncementById" resultMap="announcementDto">
         SELECT announcement_id,
                announcement_publisher_id,
-               s.staff_fullname AS announcement_publisher_name,
+               s.staff_fullname                   AS announcement_publisher_name,
+               IFNULL(pg.project_access_level, 1) AS announcement_publisher_access_level,
                announcement_publish_time,
                announcement_title,
                announcement_content
         FROM announcement
-                 JOIN (SELECT staff_id, staff_fullname FROM staff) s
+                 JOIN (SELECT staff_id, staff_fullname FROM staff) AS s
-                      ON staff_id = announcement.announcement_publisher_id
+                      ON s.staff_id = announcement.announcement_publisher_id
+                 LEFT JOIN (SELECT staff_id, project_access_level
+                            FROM project_group
+                            WHERE project_id = #{projectId}) AS pg
+                           ON pg.staff_id = announcement_publisher_id
         WHERE is_deleted = 0
           AND announcement_id = #{announcementId};
     </select>

src/test/java/cn/edu/hfut/rmdjzz/projectmanagement/RedisTests.java

@@ -1,9 +1,11 @@
 package cn.edu.hfut.rmdjzz.projectmanagement;
 
+import cn.edu.hfut.rmdjzz.projectmanagement.utils.http.IPAddress;
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.data.redis.core.StringRedisTemplate;
 
 import java.time.LocalDateTime;
 
@@ -15,14 +17,21 @@ import java.time.LocalDateTime;
 public class RedisTests {
     @Autowired
     private RedisTemplate<Object, Object> redisTemplate;
+    @Autowired
+    private StringRedisTemplate stringRedisTemplate;
 
     @Test
     void test() {
-        System.out.println(redisTemplate.opsForValue().get("l1"));
+        System.out.println(redisTemplate.opsForValue().get(0x15A2));
     }
 
     @Test
     void testValue() {
         redisTemplate.opsForValue().set("time", LocalDateTime.now());
     }
+
+    @Test
+    void stringTest() {
+        stringRedisTemplate.opsForValue().set(IPAddress.of("192.168.0.1").toString(),String.valueOf(2));
+    }
 }

src/test/java/cn/edu/hfut/rmdjzz/projectmanagement/SerializeTests.java

@@ -1,12 +1,12 @@
 package cn.edu.hfut.rmdjzz.projectmanagement;
 
+import cn.edu.hfut.rmdjzz.projectmanagement.utils.http.IPAddress;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.SneakyThrows;
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
 
-import java.time.LocalDate;
 import java.time.LocalDateTime;
 
 /**
@@ -24,4 +24,13 @@ public class SerializeTests {
     public void serializeTime() {
         System.out.println(objectMapper.readValue("1657166400", LocalDateTime.class));
     }
+
+    @SneakyThrows
+    @Test
+    public void serializeIPTest() {
+        IPAddress ip = IPAddress.of("192.108.1.1");
+        System.out.println(objectMapper.writeValueAsString(ip));
+        System.out.println(ip.getIpString());
+        System.out.println(objectMapper.readValue("0xc06c0101",IPAddress.class));
+    }
 }