我有一个hapi.js服务器
const Hapi = require('hapi')
const Mongoose = require('mongoose')
const Wreck = require('wreck');
const server = new Hapi.Server({
"host": "localhost",
"port": 3000
})
Mongoose.connect('mongodb://localhost/myDB', { useNewUrlParser: true })
const BlockModel = Mongoose.model('block', {
height: Number,
size: Number,
time: Number
})
server.route({
method: "GET",
path: "/",
handler: async (request, h) => {
Mongoose.model.blocks.remove({}); //<------This is the part of the code I intend to use to delete the collection
const { res, payload } = await Wreck.get('https://api.url');
let myJson = JSON.parse(payload.toString()).blocks
console.log(myJson)
for (let i = 0; i<myJson.length; i++) {
var block = new BlockModel({ height: myJson[i].height, size: myJson[i].size, time: myJson[i].time });
block.save();
}
console.log(myJson)
return "test"
}
})
server.start();
关键是,它能够正常工作并将所需数据保存到我的集合中,但如果我不在每次执行时删除数据,数据库将会不断增长。因此,我打算实现类似于以下内容的功能:
db.blocks.remove({}) //where blocks is my collection
这在mongoconsole中可以正常工作。但我找不到如何在代码中实现它。
BlockModel.remove({}, callback)
。 - kalimba