更新

extend/mysql/tool.js

@@ -0,0 +1,50 @@
+const config = require("./config")
+import mysqldump from 'mysqldump';
+
+const Importer = require('mysql-import');
+
+module.exports = class {
+	constructor(app, sequelize) {
+		this.app = app
+		this.sequelize = sequelize
+		this.file = this.app.root + '/' + config.database + '.sql'
+	}
+	
+	//备份数据库所有表
+	async backup(file) {
+		this.file = file || this.app.root + '/' + config.database + '.sql'
+		console.log('备份数据库中...');
+		await mysqldump({
+			connection: {
+				host    : config.options.host,
+				port    : config.options.port,
+				user    : config.username,
+				password: config.password,
+				database: config.database,
+				
+			},
+			dumpToFile: this.file,
+		});
+		console.log('备份数据库完成:', this.file);
+	}
+	//还原备份sql文件
+	async reduction() {
+		console.time("reduction")
+		//先备份旧数据
+		await this.backup(this.app.root + '/' + 'extend/mysql/backup/' + Date.now() + '.sql')
+		//清空数据库
+		await this.sequelize.drop()
+		//导入sql文件
+		const importer = new Importer({
+			host    : config.options.host,
+			port    : config.options.port,
+			user    : config.username,
+			password: config.password,
+			database: config.database,
+		});
+		this.file = this.app.root + '/' + config.database + '.sql'
+		await importer.import(this.file)
+		console.timeEnd("reduction")
+	}
+	
+}