环境数接口程序精简代码，返回值添加doc ID

沈斌

2016-12-27 91f9c379ab371ceed4f94cc6a8269af5e9d8955d

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var mongoClient = require('mongodb').MongoClient;
 
var url = "mongodb://MBP-108-ON-01.local:27017,MBP-108-ON-01.local:27018,MBP-108-ON-01.local:27019/test_db";
mongoClient.connect(url, function(err, db) {
    db.collection("test_collection").find({ }).limit(1).next(function(err, doc){
        console.log(doc)
    });
});