我无法使用findByIdAndRemove删除项目

Question

const express = require("express");
const bodyParser = require("body-parser");
const date = require(__dirname + "/date.js");
// getting-started.jsconst mongoose = require('mongoose');
main().catch(err => console.log(err));
async function main() {
await mongoose.connect('mongodb://127.0.0.1:27017/test');
} //------------------------------------------------//const app = express();
app.set('view engine', 'ejs');
app.use(bodyParser.urlencoded({
extended: true
}));
app.use(express.static("public"));
//const items = [];const workItems = [];
const itemsSchema = new mongoose.Schema({
name: String
});
const Item = mongoose.model('items', itemsSchema);
const item1 = new Item({
name: "WELCOME "
});
const item2 = new Item({
name: "hit this to add "
});
const item3 = new Item({
name: "hit "
});
const defaultItems = [item1, item2, item3];
async function getItems() {
const Items = await Item.find({});
return Items;
}
app.get("/", function(req, res) {
const day = date.getDate();
getItems().then(function(FoundItems) {
if (FoundItems.length === 0) {
Item.insertMany(defaultItems).then(function() {
console.log("Added successfully!");
}).catch(function(err) {
console.log(err);
});
res.redirect("/")
} else {
res.render("list", {
listTitle: day,
newListItems: FoundItems
});
}
});
});
app.post("/", function(req, res) {
let itemName = req.body.newItem;
const item = new Item({
name: itemName
});
item.save();
res.redirect("/");
});
app.post("/delete", function(req, res) {
const checkedItemId = req.body.checkbox;
console.log(checkedItemId);
Item.findByIdAndRemove(checkedItemId).then(function() {
console.log("Added successfully!");
}).catch(function(err) {
console.log(err);
});
})
app.get("/work", function(req, res) {
res.render("list", {
listTitle: "Work List",
newListItems: workItems
});
});
app.get("/about", function(req, res) {
res.render("about");
});
app.listen(3000, function() {
console.log("Server started on port 3000");
});

Answer 1

使用findOneAndDelete()函数。

Item.findOneAndDelete({ _id: checkedItemId }).then(function() {
console.log("Removed successfully!");
}).catch(function(err) {
console.log(err);
});