如何使用Java脚本检查与Azure数据库的连接? [英] How do I check for connection to Azure Database using Javascript?
问题描述
根据用于Azure数据库的Cordova应用程序的文档，我将使用此代码连接到Azure数据库...
According to the documentation for the Cordova App for Azure Database, I would use this code to connect to the Azure Database...
客户端=新的WindowsAzure.MobileServiceClient('https://strivemobileapp.azurewebsites.net');
todoItemTable = client.getTable(tableName);
client = new WindowsAzure.MobileServiceClient('https://strivemobileapp.azurewebsites.net');
todoItemTable = client.getTable(tableName);
todoItemTable.read();
todoItemTable.read();
但是，现在我的问题是如何检查是否存在连接?有人知道这是怎么回事吗?我是否必须使用if()来检查client或todoitemtable是否为null?
However, now my problem is how do I check to see if there is a connection? Does anyone know how this works? Would I have to use an if() to check if client or todoitemtable is null?
推荐答案
Hello,
The following example shows how to check for errors trying to connect to SQL Azure:
var Connection = require('tedious').Connection;
var config = {
userName: 'yourusername',
password: 'yourpassword',
server: 'yourserver.database.windows.net',
// If you are on Microsoft Azure, you need this:
options: {encrypt: true, database: 'AdventureWorks'}
};
var connection = new Connection(config);
connection.on('connect', function(err) {
// If no error, then good to proceed.
console.log("Connected");
});
Hope this helps.
Regards,
Alberto Morillo
SQLCoffee.com
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