diff --git a/pt--frontend/src/api/chat.js b/pt--frontend/src/api/chat.js
new file mode 100644
index 0000000..69f8353
--- /dev/null
+++ b/pt--frontend/src/api/chat.js
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+import axios from 'axios';
+
+const BASE_URL = 'http://localhost:8080/chat';  // 根据你的后端接口地址调整
+
+// 发送消息
+export const sendMessage = async ({ senderId, receiverId, content }) => {
+    const now = new Date().toISOString(); // 发送时间
+
+    // 构造后端需要的格式，chatimformation1 或 chatimformation2 中只有一个有值
+    const payload = {
+        friend1: senderId,
+        friend2: receiverId,
+        talkTime: now,
+        chatimformation1: senderId < receiverId ? content : null, // 约定较小 ID 为 friend1 发送的消息
+        chatimformation2: senderId > receiverId ? content : null,
+    };
+
+    const response = await axios.post(`${BASE_URL}/create`, payload);
+    return response.data;
+};
+
+// 获取两个用户之间的聊天记录
+export const getMessagesByUserIds = async (senderId, receiverId) => {
+    const response = await axios.get(`${BASE_URL}/between`, {
+        params: {
+            user1: senderId,
+            user2: receiverId,
+        }
+    });
+    return response.data;
+};
+
+// 可选：获取某用户与所有人的聊天记录（如果你后续需要聊天列表用）
+export const getChatsByUser = async (userId) => {
+    const response = await axios.get(`${BASE_URL}/user/${userId}`);
+    return response.data;
+};