add

build.gradle

@@ -25,6 +25,10 @@ dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
 	implementation 'org.springframework.boot:spring-boot-starter-web'
 	runtimeOnly 'com.h2database:h2'
+	implementation 'io.jsonwebtoken:jjwt-api:0.12.5'
+	runtimeOnly 'io.jsonwebtoken:jjwt-impl:0.12.5'
+	runtimeOnly 'io.jsonwebtoken:jjwt-jackson:0.12.5'
+
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 	testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
 }

src/main/java/com/lk/paopao/controller/PostController.java

@@ -0,0 +1,27 @@
+package com.lk.paopao.controller;
+
+import com.lk.paopao.dto.PostRequest;
+import com.lk.paopao.entity.Post;
+import com.lk.paopao.service.PostService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.HashMap;
+import java.util.Map;
+
+@RestController
+@RequestMapping("/v1/post")
+public class PostController {
+    @Autowired
+    private PostService postService;
+
+    @PostMapping
+    public Map<String, Object> create(@RequestBody PostRequest postRequest, @RequestAttribute("username") String username){
+        Post post = postService.create(postRequest, username);
+        Map<String, Object> result= new HashMap<>();
+        result.put("code", 0);
+        result.put("msg", "success");
+        result.put("data", post);
+        return  result;
+    }
+}

src/main/java/com/lk/paopao/dto/PostContentRequest.java

@@ -0,0 +1,31 @@
+package com.lk.paopao.dto;
+
+public class PostContentRequest {
+    private String content;
+    private int type;
+    private int sort;
+
+    public String getContent() {
+        return content;
+    }
+
+    public void setContent(String content) {
+        this.content = content;
+    }
+
+    public int getType() {
+        return type;
+    }
+
+    public void setType(int type) {
+        this.type = type;
+    }
+
+    public int getSort() {
+        return sort;
+    }
+
+    public void setSort(int sort) {
+        this.sort = sort;
+    }
+}

src/main/java/com/lk/paopao/dto/PostRequest.java

@@ -0,0 +1,56 @@
+package com.lk.paopao.dto;
+
+import java.util.List;
+
+public class PostRequest {
+    private List<PostContentRequest> contents;
+
+    private List<String> tags;
+
+    private List<String> users;
+
+    private int attachmentPrice;
+
+    private int visibility;
+
+
+    public List<PostContentRequest> getContents() {
+        return contents;
+    }
+
+    public void setContents(List<PostContentRequest> contents) {
+        this.contents = contents;
+    }
+
+    public List<String> getTags() {
+        return tags;
+    }
+
+    public void setTags(List<String> tags) {
+        this.tags = tags;
+    }
+
+    public List<String> getUsers() {
+        return users;
+    }
+
+    public void setUsers(List<String> users) {
+        this.users = users;
+    }
+
+    public int getAttachmentPrice() {
+        return attachmentPrice;
+    }
+
+    public void setAttachmentPrice(int attachmentPrice) {
+        this.attachmentPrice = attachmentPrice;
+    }
+
+    public int getVisibility() {
+        return visibility;
+    }
+
+    public void setVisibility(int visibility) {
+        this.visibility = visibility;
+    }
+}

src/main/java/com/lk/paopao/entity/Post.java

@@ -0,0 +1,132 @@
+package com.lk.paopao.entity;
+
+import jakarta.persistence.*;
+
+import java.util.List;
+
+@Entity
+public class Post {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @OneToMany(mappedBy = "post", cascade = CascadeType.PERSIST)
+    private List<PostContent> contents;
+
+    @ManyToOne
+    private User user;
+
+    private Long createOn;
+
+    private String location;
+
+    private int stars = 0;
+
+    private int collections = 0;
+
+    private int comments = 0;
+
+    private int visibility = 0;
+
+    private int attachmentPrice;
+
+    private String tags;
+
+    private String atUsers;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public List<PostContent> getContents() {
+        return contents;
+    }
+
+    public void setContents(List<PostContent> contents) {
+        this.contents = contents;
+    }
+
+    public User getUser() {
+        return user;
+    }
+
+    public void setUser(User user) {
+        this.user = user;
+    }
+
+    public Long getCreateOn() {
+        return createOn;
+    }
+
+    public void setCreateOn(Long createOn) {
+        this.createOn = createOn;
+    }
+
+    public String getLocation() {
+        return location;
+    }
+
+    public void setLocation(String location) {
+        this.location = location;
+    }
+
+    public int getStars() {
+        return stars;
+    }
+
+    public void setStars(int stars) {
+        this.stars = stars;
+    }
+
+    public int getCollections() {
+        return collections;
+    }
+
+    public void setCollections(int collections) {
+        this.collections = collections;
+    }
+
+    public int getComments() {
+        return comments;
+    }
+
+    public void setComments(int comments) {
+        this.comments = comments;
+    }
+
+    public int getVisibility() {
+        return visibility;
+    }
+
+    public void setVisibility(int visibility) {
+        this.visibility = visibility;
+    }
+
+    public int getAttachmentPrice() {
+        return attachmentPrice;
+    }
+
+    public void setAttachmentPrice(int attachmentPrice) {
+        this.attachmentPrice = attachmentPrice;
+    }
+
+    public String getTags() {
+        return tags;
+    }
+
+    public void setTags(String tags) {
+        this.tags = tags;
+    }
+
+    public String getAtUsers() {
+        return atUsers;
+    }
+
+    public void setAtUsers(String atUsers) {
+        this.atUsers = atUsers;
+    }
+}

src/main/java/com/lk/paopao/entity/PostContent.java

@@ -0,0 +1,63 @@
+package com.lk.paopao.entity;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import jakarta.persistence.*;
+
+@Entity
+public class PostContent {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @Column(nullable = false)
+    private String content;
+
+    private int type;
+
+    private int sort;
+
+    @ManyToOne
+    @JsonIgnore
+    private Post post;
+
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getContent() {
+        return content;
+    }
+
+    public void setContent(String content) {
+        this.content = content;
+    }
+
+    public int getType() {
+        return type;
+    }
+
+    public void setType(int type) {
+        this.type = type;
+    }
+
+    public int getSort() {
+        return sort;
+    }
+
+    public void setSort(int sort) {
+        this.sort = sort;
+    }
+
+    public Post getPost() {
+        return post;
+    }
+
+    public void setPost(Post post) {
+        this.post = post;
+    }
+}

src/main/java/com/lk/paopao/repository/PostContentRepository.java

@@ -0,0 +1,7 @@
+package com.lk.paopao.repository;
+
+import com.lk.paopao.entity.PostContent;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface PostContentRepository extends JpaRepository<PostContent, Long> {
+}

src/main/java/com/lk/paopao/repository/PostRepository.java

@@ -0,0 +1,7 @@
+package com.lk.paopao.repository;
+
+import com.lk.paopao.entity.Post;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface PostRepository extends JpaRepository<Post, Long> {
+}

src/main/java/com/lk/paopao/service/PostService.java

@@ -0,0 +1,48 @@
+package com.lk.paopao.service;
+
+import com.lk.paopao.dto.PostContentRequest;
+import com.lk.paopao.dto.PostRequest;
+import com.lk.paopao.entity.Post;
+import com.lk.paopao.entity.PostContent;
+import com.lk.paopao.repository.PostRepository;
+import com.lk.paopao.repository.UserRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@Service
+public class PostService {
+
+    @Autowired
+    private PostRepository postRepository;
+
+    @Autowired
+    private UserRepository userRepository;
+
+    public Post create(PostRequest postRequest, String username) {
+
+        Post post  = new Post();
+        post.setCreateOn(System.currentTimeMillis());
+        post.setUser(userRepository.findByUsername(username));
+        post.setAttachmentPrice(postRequest.getAttachmentPrice());
+        post.setVisibility(postRequest.getVisibility());
+
+        post.setTags(String.join(",", postRequest.getTags()));
+        post.setAtUsers(String.join(",", postRequest.getUsers()));
+
+        List<PostContent> contents = new ArrayList<>();
+        for(PostContentRequest content : postRequest.getContents()){
+            PostContent postContent = new PostContent();
+            postContent.setContent(content.getContent());
+            postContent.setSort(content.getSort());
+            postContent.setType(content.getType());
+            postContent.setPost(post);
+            contents.add(postContent);
+        }
+        post.setContents(contents);
+        return postRepository.save(post);
+
+    }
+}