完善BlogContent接口，完善ServerDtdResponse

Server/src/APIs/GetBlogContent.ts

@@ -0,0 +1,56 @@
+import { API } from "../Plugs/API/API";
+import ServerStdResponse from "../ServerStdResponse";
+import MySQLConnection from '../Plugs/MySQLConnection'
+import { Buffer } from 'buffer';
+import axios from "axios";
+
+
+// 获取博客内容
+class GetBlogContent extends API {
+    constructor() {
+        super('GET', '/blogContent');
+    }
+    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 blogContentRes = await MySQLConnection.execute('SELECT * from blog WHERE access_level > ? AND uuid = ? ', [this.defaultAccessLevel, bloguuid]);
+        if (!blogContentRes) {
+            this.logger.error('查询时数据库发生错误');
+            return res.json(ServerStdResponse.SERVER_ERROR);
+        }
+        if (blogContentRes.length != 1) {
+            this.logger.warn('查询的博客不存在或不可见', bloguuid);
+            return res.json(ServerStdResponse.BLOG.NOTFOUND);
+        }
+        // 返回处理后的数据
+        try {
+            const markdownUrl = blogContentRes[0].src;
+            const response = await axios.get(markdownUrl);
+            const base64Content = Buffer.from(response.data, 'utf-8').toString('base64');
+
+            MySQLConnection.execute('UPDATE blog SET visit_count = visit_count + 1 WHERE uuid = ?', [bloguuid]);
+            return res.json({
+                ...ServerStdResponse.OK, data: {
+                    data: base64Content,
+                    info: {
+                        title: blogContentRes[0].title,
+                        description: blogContentRes[0].description,
+                        publish_time: blogContentRes[0].publish_time,
+                        visit_count: blogContentRes[0].visit_count,
+                        like_count: blogContentRes[0].like_count
+                    }
+                }
+            });
+        } catch (error) {
+            this.logger.error('获取博客文章内容时发生错误', error)
+            return res.json(ServerStdResponse.SERVER_ERROR);
+        }
+    }
+}
+
+export default GetBlogContent;