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node.js - node.js、ejs - 无法使用 JSON 格式节点服务器数据库中的数据填充 ejs 页面

问题描述

我目前正在学习一个教程，以提高我对条带集成的理解。它需要以下步骤：

  1. 配置前端
  2. 从 JSON 数据库中检索和显示前端信息
  3. 将信息发送到条带 API
  4. 支付成功后跳转到网页并显示成功信息

我目前卡在第 2 项上。

我已经根据教程生成了 html 页面，并且静态页面显示正常。请参考https://github.com/walakaka77/stripe-project的主分支

但是，当我尝试显示基于 JSON 数据库的商品页面时，Cannot GET /store.html在尝试检索商店页面的数据时收到此错误

请参考https://github.com/walakaka77/stripe-project的 itemDatabase 分支 见下面的代码片段。

节点js服务器代码：

if (process.env.NODE_ENV !== 'production') {
    require('dotenv').config()
  }

const stripeSecretKey = process.env.STRIPE_SECRET_KEY
const stripePublicKey = process.env.STRIPE_PUBLIC_KEY

console.log(stripeSecretKey, stripePublicKey)

const express = require('express')
const app = express()
const fs = require('fs')

app.set('view engine', 'ejs')
//app.use(express.json())
app.use(express.static('public'))

app.listen(3000)

存储 ejs 文件（基于 JSON 数据库循环和显示页面 - 见下文）

<!DOCTYPE html>
<html>
    <head>
        <title>The Generics | Store</title>
        <meta name="description" content="This is the description">
        <link rel="stylesheet" href="styles.css" />
        <script src="https://checkout.stripe.com/checkout.js" defer></script>
        <script>
            var stripePublicKey = '<%= stripePublicKey %>'
        </script>
        <script src="store.js" defer></script>
    </head>
    <body>
        <header class="main-header">
            <nav class="main-nav nav">
                <ul>
                    <li><a href="index.html">HOME</a></li>
                    <li><a href="store.html">STORE</a></li>
                    <li><a href="about.html">ABOUT</a></li>
                </ul>
            </nav>
            <h1 class="band-name band-name-large">The Generics</h1>
        </header>
        <section class="container content-section">
            <h2 class="section-header">MUSIC</h2>
            <div class="shop-items">
                <% items.music.forEach(function(item){ %>
                    <div class="shop-item" data-item-id="<%= item.id %>">
                        <span class="shop-item-title"><%= item.name %></span>
                        <img class="shop-item-image" src="Images/<%= item.imgName %>">
                        <div class="shop-item-details">
                            <span class="shop-item-price">$<%= item.price / 100 %></span>
                            <button class="btn btn-primary shop-item-button" type="button">ADD TO CART</button>
                        </div>
                    </div>
                <% }) %>
            </div>
        </section>
        <section class="container content-section">
            <h2 class="section-header">MERCH</h2>
            <div class="shop-items">
                <% items.merch.forEach(function(item){ %>
                    <div class="shop-item" data-item-id="<%= item.id %>">
                        <span class="shop-item-title"><%= item.name %></span>
                        <img class="shop-item-image" src="Images/<%= item.imgName %>">
                        <div class="shop-item-details">
                            <span class="shop-item-price">$<%= item.price / 100 %></span>
                            <button class="btn btn-primary shop-item-button" type="button">ADD TO CART</button>
                        </div>
                    </div>
                <% }) %>
            </div>
        </section>
        <section class="container content-section">
            <h2 class="section-header">CART</h2>
            <div class="cart-row">
                <span class="cart-item cart-header cart-column">ITEM</span>
                <span class="cart-price cart-header cart-column">PRICE</span>
                <span class="cart-quantity cart-header cart-column">QUANTITY</span>
            </div>
            <div class="cart-items">
            </div>
            <div class="cart-total">
                <strong class="cart-total-title">Total</strong>
                <span class="cart-total-price">$0</span>
            </div>
            <button class="btn btn-primary btn-purchase" type="button">PURCHASE</button>
        </section>
        <footer class="main-footer">
            <div class="container main-footer-container">
                <h3 class="band-name">The Generics</h3>
                <ul class="nav footer-nav">
                    <li>
                        <a href="https://www.youtube.com" target="_blank">
                            <img src="Images/YouTube Logo.png">
                        </a>
                    </li>
                    <li>
                        <a href="https://www.spotify.com" target="_blank">
                            <img src="Images/Spotify Logo.png">
                        </a>
                    </li>
                    <li>
                        <a href="https://www.facebook.com" target="_blank">
                            <img src="Images/Facebook Logo.png">
                        </a>
                    </li>
                </ul>
            </div>
        </footer>
    </body>
</html>

JSON 数据库项目

{
    "music": [
      {
        "id": 1,
        "name": "Album 1",
        "price": 1299,
        "imgName": "Album 1.png"
      },
      {
        "id": 2,
        "name": "Album 2",
        "price": 1499,
        "imgName": "Album 2.png"
      },
      {
        "id": 3,
        "name": "Album 3",
        "price": 999,
        "imgName": "Album 3.png"
      },
      {
        "id": 4,
        "name": "Album 4",
        "price": 1999,
        "imgName": "Album 4.png"
      }
    ],
    "merch": [
      {
        "id": 5,
        "name": "T-Shirt",
        "price": 1999,
        "imgName": "Shirt.png"
      },
      {
        "id": 6,
        "name": "Coffee Cup",
        "price": 699,
        "imgName": "Cofee.png"
      }
    ]
  }

有人能告诉我为什么我在尝试查看商店页面时出错。请让我知道是否有其他信息会有所帮助

标签： node.jsjson

解决方案

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