var ObjectID = require("mongodb").ObjectID; module.exports = function (app, db) { app.get("/notes", (req, res) => { db.collection("test") .find({}) .toArray((err, item) => { if (err) { res.send({ error: "An error" }); } else { res.send(item); } }); }); //查询答案的接口 app.get("/answer/:id", (req, res) => { const id = req.params.id const details = {"hid":id} db.collection('vueanswer').findOne(details, (err, item) => { if (err) { res.send({'error':'An error has occurred'}); } else { res.send(item); } }); }); app.post("/notes", (req, res) => { const note = { name: req.body.name, content: req.body.content, createtime: req.body.createtime, }; db.collection("test").insert(note, (err, result) => { if (err) { res.send({ error: "An error" }); } else { res.send(result.ops[0]); } }); }); };