我是nodejs的新手,并尝试使用nodejs将当前时间戳的mongoDB插入为毫秒,它作为双精度值插入。有人能帮我如何将其插入为NumberLong值吗?
var data = {
myId : uniqueId,
Timestamp : Date.now(), ---> This one is getting inserted as double.
userData : applicationData
}
}
我也尝试像这样插入,但它的插入作为字符串。
var mongo=require('mongodb');
var Long = mongo.Long;
var data = {
myId : uniqueId,
Timestamp : Long.fromString((Date.now() + "")), ---> This one is getting inserted as String.
userData : applicationData
}
}
这是因为JavaScript数字始终是64位浮点数。您可以使用Mongo驱动程序的Long(https://mongodb.github.io/node-mongodb-native/api-bson-generated/long.html)来解决此问题。
var Long = require('mongodb').Long;
var current_millies = new Date().getTime();
var data = {
myId : uniqueId,
timestamp : Long.fromNumber(current_millies),
userData : applicationData
}