node 服务器添加数据到 SQL server

var sql = require("mssql");
var config = {
    user: "sa",
    password: "******",   //密码
    database: 'ShopDB',
    server: 'localhost',

}

sql.connect(config, function () {
    sql.query("insert into dbo.UserTable values('admin','123')", function (error, results, fields) {
        if (results.rowsAffected[0] >= 1) {
            sql.query("select * from dbo.UserTable", function (error, results, fields) {
                console.log(results.recordsets[0]);

                sql.close();
            });
        }
    });
});