functionconnectToDB(){ //创建数据库连接对象varconn =newActiveXObject("ADODB.Connection");//创建数据集对象varrs =newActiveXObject("ADODB.Recordset");try{//数据库连接串varconnectionstring = "DSN=zhg_mysql2;Server=pc-bp18rn0tqu85a1600-public.rwlb.rds.aliyuncs.com;Database=db_zhg;User=lab_...
在JavaScript中连接MySQL数据库需要使用到一个ODBC模块,我们可以使用npm来安装该模块。 打开命令行,进入你的项目目录,执行以下命令来安装ODBC模块: npm install odbc 1. JavaScript连接MySQL示例 下面是一个使用JavaScript连接MySQL数据库的示例代码: constodbc=require('odbc');constconnectionString='DSN=MyDatabase;UID...
var con = new ActiveXObject("ADODB.Connection"); con.ConnectionString = "DRIVER={MySQL ODBC 5.1 Driver};OPTION=3;SERVER=127.0.0.1;User ID=root;Password=123456;Database=mysql;Port=3306"; con.open; var rs = new ActiveXObject("ADODB.Recordset"); rs.open("select * from user", con); while...
This requires a running NDB Cluster, including a MySQL Server with a database named test. The mysql client executable must be in the path. To run the test suite, change to the test directory, then execute command shown here: $> node driver...
connection.end((err)=>{if(err)throwerr;console.log('Database connection closed.');}); 这是一个基本的示例,具体的实现方式可能因所使用的库而有所不同。在实际开发中,你可能还需要处理错误、使用参数化查询等。 对于腾讯云相关产品,腾讯云提供了云数据库 TencentDB,支持多种数据库引擎,如MySQL、SQL Se...
//导入mysql连接包constmysql=require('mysql');//创建连接connconstconn=mysql.createConnection({host:'localhost',user:'root',password:'123456',database:'user'});//连接conn.connect();//查询sql语句letsql:string='select * from user';//使用query方法执行sql语句conn.query(sql,(err:any,result:any...
2.1 Database Connection Example 2.2 Connecting to a Session 2.3 Working with a Session Object 2.4 Using SQL with Session 2.5 Setting the Current Schema 2.6 Dynamic SQL This section explains the concepts of connections and sessions as used by the X DevAPI. Code examples for connecting to a MySQ...
.then(function(response) {letdb =newwindow.SQL.Database(newUint8Array(response.data));// 执行查询lets =newDate().getTime();letr = db.exec("SELECT * FROM sys_user WHERE status = 1;");lete =newDate().getTime();console.info("查询数据耗时:"+ (e - s) +"ms");// 解析数据letob...
localAddress: The source IP address to use for TCP connection. (Optional) socketPath: The path to a unix domain socket to connect to. When used host and port are ignored. user: The MySQL user to authenticate as. password: The password of that MySQL user. database: Name of the database...
var mysql = require('mysql'); var connection = mysql.createConnection({ host : 'localhost', user : 'me', password : 'secret', database : 'my_db' }); connection.connect(); connection.query('SELECT 1 + 1 AS solution', function (error, results, fields) { if (error) throw error;...