添加了Announcement相关的类与方法，将时间相关序列化的时区改为了+8:00，修复了TimeUtils不能使用的bug，修改了yml中的转发处理配置

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

@@ -34,14 +34,14 @@ public class SerializeConfig {
             @Override
             public void serialize(LocalDateTime value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
                 if (value != null) {
-                    gen.writeNumber(value.toEpochSecond(ZoneOffset.UTC));
+                    gen.writeNumber(value.toEpochSecond(ZoneOffset.of("+08:00")));
                 }
             }
         });
         javaTimeModule.addDeserializer(LocalDateTime.class, new JsonDeserializer<>() {
             @Override
             public LocalDateTime deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
-                return Instant.ofEpochSecond(p.getValueAsLong(), 0).atOffset(ZoneOffset.UTC).toLocalDateTime();
+                return Instant.ofEpochSecond(p.getValueAsLong(), 0).atOffset(ZoneOffset.of("+08:00")).toLocalDateTime();
             }
         });
 
@@ -57,7 +57,7 @@ public class SerializeConfig {
         javaTimeModule.addDeserializer(LocalDate.class, new JsonDeserializer<>() {
             @Override
             public LocalDate deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
-                return Instant.ofEpochSecond(p.getValueAsLong(), 0).atOffset(ZoneOffset.UTC).toLocalDate();
+                return Instant.ofEpochSecond(p.getValueAsLong(), 0).atOffset(ZoneOffset.of("+08:00")).toLocalDate();
             }
         });
 
@@ -66,14 +66,14 @@ public class SerializeConfig {
             @Override
             public void serialize(LocalTime value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
                 if (value != null) {
-                    gen.writeNumber(value.toEpochSecond(LocalDate.of(1970, 1, 1), ZoneOffset.UTC));
+                    gen.writeNumber(value.toEpochSecond(LocalDate.of(1970, 1, 1), ZoneOffset.of("+08:00")));
                 }
             }
         });
         javaTimeModule.addDeserializer(LocalTime.class, new JsonDeserializer<>() {
             @Override
             public LocalTime deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
-                return Instant.ofEpochSecond(p.getValueAsLong(), 0).atOffset(ZoneOffset.UTC).toLocalTime();
+                return Instant.ofEpochSecond(p.getValueAsLong(), 0).atOffset(ZoneOffset.of("+08:00")).toLocalTime();
             }
         });
 

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

@@ -0,0 +1,83 @@
+package cn.edu.hfut.rmdjzz.projectmanagement.controller;
+
+import cn.edu.hfut.rmdjzz.projectmanagement.entity.Announcement;
+import cn.edu.hfut.rmdjzz.projectmanagement.entity.dto.AnnouncementDto;
+import cn.edu.hfut.rmdjzz.projectmanagement.exception.BadRequestException;
+import cn.edu.hfut.rmdjzz.projectmanagement.exception.ForbiddenException;
+import cn.edu.hfut.rmdjzz.projectmanagement.service.IAnnouncementService;
+import cn.edu.hfut.rmdjzz.projectmanagement.service.IProjectGroupService;
+import cn.edu.hfut.rmdjzz.projectmanagement.utils.TokenUtils;
+import cn.edu.hfut.rmdjzz.projectmanagement.utils.http.ResponseList;
+import cn.edu.hfut.rmdjzz.projectmanagement.utils.http.ResponseMap;
+import lombok.SneakyThrows;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+/**
+ * @author 佘语殊
+ * @since 2022/7/7 11:29
+ */
+@RestController
+@RequestMapping("/project/{projectId}/announcement")
+public class AnnouncementController {
+
+    @Autowired
+    private IAnnouncementService announcementService;
+    @Autowired
+    private IProjectGroupService projectGroupService;
+
+    @SneakyThrows
+    @GetMapping
+    public ResponseList<AnnouncementDto> getAnnouncementList(@RequestHeader("Token") String token, @PathVariable Integer projectId) {
+        if (projectGroupService.getProjectAccessLevel(token, projectId) == 0) {
+            throw new ForbiddenException("无该项目访问权限");
+        }
+        return ResponseList.ofSuccess("查询成功", announcementService.getAnnouncementList(projectId));
+    }
+
+    @SneakyThrows
+    @GetMapping("/{announcementId}")
+    public ResponseMap getAnnouncementById(
+            @RequestHeader("Token") String token,
+            @PathVariable Integer projectId,
+            @PathVariable Long announcementId
+    ){
+        if (projectGroupService.getProjectAccessLevel(token, projectId) == 0) {
+            throw new ForbiddenException("无该项目访问权限");
+        }
+        return ResponseMap.ofSuccess("查询成功");
+    }
+
+    @SneakyThrows
+    @PostMapping
+    public ResponseMap createAnnouncement(
+            @RequestHeader("Token") String token,
+            @PathVariable Integer projectId,
+            @RequestBody Announcement announcement
+    ) {
+        if (projectGroupService.getProjectAccessLevel(token, projectId) > 2) {
+            throw new ForbiddenException("无该操作权限");
+        }
+        announcement.setProjectId(projectId);
+        announcement.setAnnouncementPublisherId(TokenUtils.getStaffId(token));
+        announcement.setAnnouncementPublishTime(null);
+        if (announcementService.save(announcement)) {
+            return ResponseMap.ofSuccess("创建成功");
+        }
+        throw new BadRequestException("创建失败");
+    }
+
+    //TODO: 查询权限高低
+    @PutMapping("/{announcementId}")
+    public ResponseMap modifyAnnouncement(
+            @RequestHeader("Token") String token,
+            @PathVariable Integer projectId,
+            @PathVariable Long announcementId,
+            @RequestBody Announcement announcement
+    ){
+
+        return ResponseMap.ofSuccess("更新成功");
+    }
+
+
+}

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

@@ -80,7 +80,6 @@ public class ProjectGroupController {
         return ResponseMap.ofSuccess("更新成功");
     }
 
-    //TODO: test
     @SneakyThrows
     @GetMapping("/stats")
     public ResponseMap getGroupPositionsStatistics(

src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/entity/Announcement.java

@@ -0,0 +1,27 @@
+package cn.edu.hfut.rmdjzz.projectmanagement.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableField;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableLogic;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+/**
+ * @author 佘语殊
+ * @since 2022/7/7 11:22
+ */
+@Data
+public class Announcement {
+    @TableId(type = IdType.AUTO)
+    private Long announcementId;
+    private Integer projectId;
+    private Integer announcementPublisherId;
+    private LocalDateTime announcementPublishTime;
+    private String announcementTitle;
+    private String announcementContent;
+    @TableField("is_deleted")
+    @TableLogic
+    private Boolean deleted;
+}

src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/entity/Project.java

@@ -48,13 +48,10 @@ public class Project {
     private LocalDate projectClosedDate;
 
     public Boolean checkProjectDate() {
-        if(!TimeUtils.validateTimeLine(projectStartDate, projectFirstTestDate, projectFinalTestDate, projectEndDate)) {
+        if (!TimeUtils.validateDateLine(projectStartDate, projectFirstTestDate, projectFinalTestDate, projectEndDate)) {
             return false;
         }
-        if (!TimeUtils.validateTimeLine(projectStartDate, projectOnlineDate)) {
+        return TimeUtils.validateDateLine(projectStartDate, projectOnlineDate);
-            return false;
-        }
-        return true;
     }
 
     public Boolean checkModification(Project rawProject) {

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

@@ -0,0 +1,19 @@
+package cn.edu.hfut.rmdjzz.projectmanagement.entity.dto;
+
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+/**
+ * @author 佘语殊
+ * @since 2022/7/7 11:33
+ */
+@Data
+public class AnnouncementDto {
+    private Long announcementId;
+    private Integer announcementPublisherId;
+    private String announcementPublisherName;
+    private LocalDateTime announcementPublishTime;
+    private String announcementTitle;
+    private String announcementContent;
+}

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

@@ -0,0 +1,18 @@
+package cn.edu.hfut.rmdjzz.projectmanagement.mapper;
+
+import cn.edu.hfut.rmdjzz.projectmanagement.entity.Announcement;
+import cn.edu.hfut.rmdjzz.projectmanagement.entity.dto.AnnouncementDto;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.apache.ibatis.annotations.Param;
+
+import java.util.List;
+
+/**
+ * @author 佘语殊
+ * @since 2022/7/7 11:26
+ */
+public interface AnnouncementMapper extends BaseMapper<Announcement> {
+    List<AnnouncementDto> selectAnnouncementList(@Param("projectId") Integer projectId);
+
+    AnnouncementDto selectAnnouncementById(@Param("announcementId") Long announcementId);
+}

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

@@ -0,0 +1,17 @@
+package cn.edu.hfut.rmdjzz.projectmanagement.service;
+
+import cn.edu.hfut.rmdjzz.projectmanagement.entity.Announcement;
+import cn.edu.hfut.rmdjzz.projectmanagement.entity.dto.AnnouncementDto;
+import com.baomidou.mybatisplus.extension.service.IService;
+
+import java.util.List;
+
+/**
+ * @author 佘语殊
+ * @since 2022/7/7 11:27
+ */
+public interface IAnnouncementService extends IService<Announcement> {
+    List<AnnouncementDto> getAnnouncementList(Integer projectId);
+
+    AnnouncementDto getAnnouncementById(Long announcementId);
+}

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

@@ -0,0 +1,28 @@
+package cn.edu.hfut.rmdjzz.projectmanagement.service.impl;
+
+import cn.edu.hfut.rmdjzz.projectmanagement.entity.Announcement;
+import cn.edu.hfut.rmdjzz.projectmanagement.entity.dto.AnnouncementDto;
+import cn.edu.hfut.rmdjzz.projectmanagement.mapper.AnnouncementMapper;
+import cn.edu.hfut.rmdjzz.projectmanagement.service.IAnnouncementService;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+/**
+ * @author 佘语殊
+ * @since 2022/7/7 11:28
+ */
+@Service
+public class AnnouncementServiceImpl extends ServiceImpl<AnnouncementMapper, Announcement> implements IAnnouncementService {
+
+    @Override
+    public List<AnnouncementDto> getAnnouncementList(Integer projectId) {
+        return baseMapper.selectAnnouncementList(projectId);
+    }
+
+    @Override
+    public AnnouncementDto getAnnouncementById(Long announcementId) {
+        return null;
+    }
+}

src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/utils/TimeUtils.java

@@ -1,7 +1,7 @@
 package cn.edu.hfut.rmdjzz.projectmanagement.utils;
 
-import java.time.Instant;
+import java.time.LocalDate;
-import java.time.temporal.TemporalAccessor;
+import java.time.LocalDateTime;
 
 /**
  * @author 佘语殊
@@ -11,23 +11,51 @@ public class TimeUtils {
     /**
      * 验证参数是否按时间线先后顺序传入，忽略null
      */
-    public static boolean validateTimeLine(TemporalAccessor... temporalAccessors) {
+    public static boolean validateDateLine(LocalDate... dates) {
         int first;
-        for (first = 0; first < temporalAccessors.length; first++) {
+        for (first = 0; first < dates.length; first++) {
-            if (temporalAccessors[first] != null) {
+            if (dates[first] != null) {
                 break;
             }
         }
-        if (first >= temporalAccessors.length - 1) {
+        if (first >= dates.length - 1) {
             return true;
         }
-        Instant last = Instant.from(temporalAccessors[first]);
+        LocalDate last = dates[first];
-        Instant current;
+        LocalDate current;
-        for (int i = first + 1; i < temporalAccessors.length; i++) {
+        for (int i = first + 1; i < dates.length; i++) {
-            if (temporalAccessors[i] == null) {
+            if (dates[i] == null) {
                 continue;
             }
-            current = Instant.from(temporalAccessors[i]);
+            current = dates[i];
+            if (last.isAfter(current)) {
+                return false;
+            }
+            last = current;
+        }
+        return true;
+    }
+
+    /**
+     * 验证参数是否按时间线先后顺序传入，忽略null
+     */
+    public static boolean validateDateTimeLine(LocalDateTime... dateTimes) {
+        int first;
+        for (first = 0; first < dateTimes.length; first++) {
+            if (dateTimes[first] != null) {
+                break;
+            }
+        }
+        if (first >= dateTimes.length - 1) {
+            return true;
+        }
+        LocalDateTime last = dateTimes[first];
+        LocalDateTime current;
+        for (int i = first + 1; i < dateTimes.length; i++) {
+            if (dateTimes[i] == null) {
+                continue;
+            }
+            current = dateTimes[i];
             if (last.isAfter(current)) {
                 return false;
             }

src/main/resources/application.yml

@@ -29,5 +29,6 @@ server:
       charset: UTF-8
       force: true
       enabled: true
+  forward-headers-strategy: framework
 springdoc:
   packages-to-scan: cn.edu.hfut.rmdjzz.projectmanagement

src/main/resources/mapper/AnnouncementMapper.xml

@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="cn.edu.hfut.rmdjzz.projectmanagement.mapper.AnnouncementMapper">
+    <resultMap id="announcementDto" type="cn.edu.hfut.rmdjzz.projectmanagement.entity.dto.AnnouncementDto">
+        <id property="announcementId" column="announcement_id"/>
+    </resultMap>
+
+    <select id="selectAnnouncementList" resultMap="announcementDto">
+        SELECT announcement_id,
+               announcement_publisher_id,
+               s.staff_fullname AS announcement_publisher_name,
+               announcement_publish_time,
+               announcement_title
+        FROM announcement
+                 JOIN (SELECT staff_id, staff_fullname FROM staff) s
+                      ON staff_id = announcement.announcement_publisher_id
+        WHERE is_deleted = 0
+          AND project_id = #{projectId}
+        ORDER BY announcement_id DESC;
+    </select>
+    <select id="selectAnnouncementById" resultMap="announcementDto">
+        SELECT announcement_id,
+               announcement_publisher_id,
+               s.staff_fullname AS announcement_publisher_name,
+               announcement_publish_time,
+               announcement_title,
+               announcement_content
+        FROM announcement
+                 JOIN (SELECT staff_id, staff_fullname FROM staff) s
+                      ON staff_id = announcement.announcement_publisher_id
+        WHERE is_deleted = 0
+          AND announcement_id = #{announcementId};
+    </select>
+</mapper>

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

@@ -7,6 +7,7 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
 
 import java.time.LocalDate;
+import java.time.LocalDateTime;
 
 /**
  * @author 佘语殊
@@ -21,6 +22,6 @@ public class SerializeTests {
     @SneakyThrows
     @Test
     public void serializeTime() {
-        System.out.println(objectMapper.readValue("1656523481", LocalDate.class));
+        System.out.println(objectMapper.readValue("1657166400", LocalDateTime.class));
     }
 }

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

@@ -0,0 +1,24 @@
+package cn.edu.hfut.rmdjzz.projectmanagement;
+
+import cn.edu.hfut.rmdjzz.projectmanagement.utils.TimeUtils;
+import org.junit.jupiter.api.Test;
+
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+
+/**
+ * @author 佘语殊
+ * @since 2022/7/7 14:36
+ */
+public class UtilTests {
+    @Test
+    public void timeTest() {
+        LocalDateTime a = LocalDateTime.now();
+        LocalDateTime b = LocalDateTime.now().minusDays(1);
+        LocalDateTime c = LocalDateTime.now();
+        LocalDate d = LocalDate.now();
+        LocalTime t = LocalTime.now();
+        System.out.println(TimeUtils.validateDateTimeLine(a, b, c));
+    }
+}