user module API & resource module API

GET /user/thread
POST /resource/version
GET /resource/search
GET /resource/info
GET /resource/hot
GET /resource/hot/slide
GET /resource/hot-trend
PUT /resource/info

Change-Id: I39c94b06a1d69967b8e235a67a0133c8095abb38
diff --git a/src/main/java/com/g9/g9backend/pojo/HotTrend.java b/src/main/java/com/g9/g9backend/pojo/HotTrend.java
new file mode 100644
index 0000000..817b518
--- /dev/null
+++ b/src/main/java/com/g9/g9backend/pojo/HotTrend.java
@@ -0,0 +1,29 @@
+package com.g9.g9backend.pojo;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.Date;
+
+/**
+ * HotTrend 实体类,表示热度趋势的数据模型
+ *
+ * @author hcy
+ */
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class HotTrend {
+
+    @TableId(type = IdType.AUTO)
+    private int hotTrendId;
+
+    private float hot;
+
+    private Date time; // 若命名为currentTime会发生冲突
+
+    private String classify;
+}