PHP-单独开启商品清单使用handlebars显示到HTML笔记记录

index.php

<div id="commodity-list">      <div class="close">x</div>        <div class="container">        <!-- 此为商品清单Template -->                 </div>      </div></div><!-- 商品清单Template部分 --><script id="commodity-list-item-template" type="text/x-handlebars-template">  <img src="{{img}}" alt="{{img}}">    <div class="content">      <div class="book-name">{{book_name}}</div>      <div class="author">作者：<span>{{author}}</span></div>      <div class="Publishing-house">出版社：<span>{{Publishing_house}}</span></div>      <div class="Publication-date">出版日期：<span>{{Publication_date}}</span></div>      <div class="price">NT${{price}}</div>      <div class="button" data-id="{{id}}">加入购物车</div>    </div></script>

action.js

  var panel={    el: '#panel',  };  var commodity_list_template = $('#commodity-list-item-template').html();  var commodity_list_template_compile = Handlebars.compile(commodity_list_template);    $(panel.el)      .on('click', '#commodity li', function(e) {//开启商品书单清单        e.preventDefault();        var id = $(this).data('id');        $(commodity_list.el).addClass('open');        $.post("commodity_list.php", {id:id},          function (data, textStatus, jqXHR) {            $(commodity_list.el).find('.container').html('');             $(commodity_list.el).find('.container').append(commodity_list_template_compile(data));         });    })

commodity_list.php

<?phpheader('Content-Type: application/json; charset=utf-8');include('../../../db.php');try {$pdo = new PDO("mysql:host=$db[host];dbname=$db[dbname];port=$db[port];charset=$db[charset]", $db['username'], $db['password']);} catch (PDOException $e) {echo "Database connection failed.";exit;}$sql = 'SELECT id, book_name,author, Publishing_house, Publication_date, price, img FROM commodity WHERE id=:id';$statement = $pdo->prepare($sql);$statement->bindValue(':id', $_POST['id'], PDO::PARAM_INT);$result = $statement->execute();$commodity = $statement->fetch(PDO::FETCH_ASSOC);if($result){    echo json_encode(['id'=>$commodity['id'], 'book_name'=> $commodity['book_name'], 'author'=> $commodity['author'],'Publishing_house'=> $commodity['Publishing_house']    ,'Publishing_date'=> $commodity['Publishing_date'],'price'=> $commodity['price'],'img'=> $commodity['img']]);}?>