diff --git a/src/api/post.js b/src/api/post.js
new file mode 100644
index 0000000..c49293b
--- /dev/null
+++ b/src/api/post.js
@@ -0,0 +1,52 @@
+import request from './request'
+
+export function getPostsByTopic(topicId) {
+    return request({
+        url: `/api/posts/topic/${topicId}`,
+        method: 'get'
+    })
+}
+
+export function getPostTreeByTopic(topicId) {
+    return request({
+        url: `/api/posts/topic/${topicId}/tree`,
+        method: 'get'
+    })
+}
+
+export function createPost(data) {
+    return request({
+        url: '/api/posts',
+        method: 'post',
+        data
+    })
+}
+
+export function getPostById(id) {
+    return request({
+        url: `/api/posts/${id}`,
+        method: 'get'
+    })
+}
+
+export function updatePost(id, data) {
+    return request({
+        url: `/api/posts/${id}`,
+        method: 'put',
+        data
+    })
+}
+
+export function deletePost(id) {
+    return request({
+        url: `/api/posts/${id}`,
+        method: 'delete'
+    })
+}
+
+export function getUserPosts(userId) {
+    return request({
+        url: `/api/posts/user/${userId}`,
+        method: 'get'
+    })
+} 
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