加入BlogContent工具栏，完成点赞功能

Server/src/APIs/BlogLike.ts

@@ -0,0 +1,34 @@
+import { API } from "../Plugs/API/API";
+import ServerStdResponse from "../ServerStdResponse";
+import MySQLConnection from '../Plugs/MySQLConnection'
+import { Buffer } from 'buffer';
+import axios from "axios";
+
+
+// 点赞
+class BlogLike extends API {
+    constructor() {
+        super('POST', '/blogLike');
+    }
+    private defaultAccessLevel = 6;
+
+    public async onRequset(data: any, res: any) {
+        let { bloguuid } = data;
+        if (!bloguuid || bloguuid.length != 32) {
+            return res.json(ServerStdResponse.INVALID_PARAMS);
+        }
+
+        let blogLikeRes = await MySQLConnection.execute('UPDATE blog SET like_count = like_count + 1 WHERE access_level > ? AND uuid = ? ', [this.defaultAccessLevel, bloguuid]);
+        if (!blogLikeRes) {
+            this.logger.error('点赞博客时，数据库发生错误');
+            return res.json(ServerStdResponse.SERVER_ERROR);
+        }
+        if (blogLikeRes.affectedRows != 1) {
+            this.logger.warn('查询的博客不存在或不可见', bloguuid);
+            return res.json(ServerStdResponse.BLOG.NOTFOUND);
+        }
+        return res.json(ServerStdResponse.OK);
+    }
+}
+
+export default BlogLike;