git init

Server/plugs/database/MySQLConnection.ts

@@ -0,0 +1,69 @@
+// MYSQL数据库连接池
+// 版本：v0.1
+const mysql = require('mysql2/promise');
+import Logger from "../Logger";
+import SettingConfig from "../Settingconfig";
+
+class MySQLConnectPool{
+    pool: any;
+
+    constructor()
+    {
+        this.pool = this.createConnectPool();
+        Logger.info("[MySQL] 数据库连接池已创建")
+        setTimeout(async () => {
+            let res = await this.testConnection();
+            if(res)
+                Logger.info("[MySQL] 数据库测试成功")
+            else
+                Logger.error("[MySQL] 数据库测试失败")
+        }, 10);
+    }
+
+    // 内部函数，无需手动调用
+    createConnectPool(){
+        return mysql.createPool({
+            host: SettingConfig.mysql.host,
+            database: SettingConfig.mysql.database,
+            user: SettingConfig.mysql.user,
+            password: SettingConfig.mysql.password,
+            waitForConnections:true,
+            connectionLimit:10,
+            queueLimit:0
+        })
+    }
+
+    // 内部函数，无需手动调用
+    async testConnection(){
+        try {
+            let res = await this.execute("SELECT 1 + 1 As result");
+            if(res[0].result == 2)
+                return 1;
+            else
+                return 0;
+        } catch (error) {
+            Logger.error(`[MYSQL] 数据库测试发生了错误：`+error);
+            return 0;
+        }
+        
+    }
+
+    // 执行SQL语句
+    async execute(sql: string,values = undefined){
+        let connection;
+        try {
+            connection = await this.pool.getConnection();
+            let [rows, fields] = await connection.execute(sql,values);
+            return rows;
+        } catch (error) {
+            Logger.error("[MYSQL] 数据库发生错误:"+error);
+            return undefined;
+        } finally{
+            if(connection)
+                connection.release();
+        }
+    }
+}
+
+let MySQLConnection = new MySQLConnectPool();
+export default MySQLConnection;