[英]Node JS, How do i get data from a collection with Mongoose
[英]How do I pass a Mongoose Collection to a function in a js file?
我正在做一個項目,我希望能夠根據表單輸入搜索摩托車數據庫,該表單輸入類似於您在頂部選擇 My Garage 后在 Revzilla.com 上找到的內容。 此表格將在項目中的多個位置使用。
我將 bikeLists 從我的路線/索引文件傳遞給索引
const express = require('express');
const router = express.Router();
const bikeDBModel = require('../models/bike')
const mongoose = require('mongoose');
const { collection } = require('../models/bike');
const BikesDBConnection = mongoose.connection.useDb('bikes')
router.get('/',(req,res)=>{;
const collection = BikesDBConnection.collection('harley-davidson')//Harley is the only Maker supported at the moment(change to all-bikes) soon.
res.render('index', {'bikesList':collection})
});
module.exports = router;
我可以讓它顯示在我的 view/index.ejs 文件中
<%= bikesList %>
<%- include('./partials/part-bikeSelector.ejs') %>
**更新:**根據我的研究,我發現您應該能夠通過執行以下操作使其工作,但我仍然收到“未定義自行車列表”錯誤
<%- include('./partials/part-bikeSelector.ejs', {bikesList:bikeList) %>
但無法將其獲取到 part-bikeSelector.ejs 下的包含文件
<%= bikesList %>
<form action="" method="post" class="bikeSelectorForm">
<div class="yearSelect">
<select name="bikeYear" id="bikeYear" onchange="getBikeModels()">
<option disabled selected value>Year</option>
<% for( let i = new Date().getFullYear(); i >= 2000; i-- ) { %>
<option value="<%= i %>"><%= i %></option>
<% } %>
</select>
</div>
<div class="makeSelect">
<select name="bikeMake" id="bikeMake">
<option disabled selected value>Motorcycle Make</option>
<option value="Harley">Harley Davidson</option>
<optgroup label="Coming Soon">
<option disabled value="Yamaha">Yamaha</option>
<option disabled value="Honda">Honda</option>
<option disabled value="Kawasaki">Kawasaki</option>
<option disabled value="Indian">Indian</option>
</optgroup>
</select>
</div>
</form>
<script src="/js/bikeSelector.js"></script>
理想情況下,我想將它進一步傳遞給從 part-bikeSelector.ejs 鏈接的純 js 文件
const bikeYear_formField = document.getElementById('bikeYear');
//get list of models based on year and make of form fields
function getBikeModels() {
console.log(bikesList);
}
看着這一切都錯了。 答案是重新考慮我的方法。 我創建了一個 REST API,我可以在需要時獲取所有數據。
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