嘿,我正在做一个项目,我似乎无法理解。我想遍历嵌套数组对象“产品”,以便我可以显示所有内容,而不仅仅是最后一个索引。
// jquery getting our json order data from firebase
$.get("http://localhost:8888/orderslist", (data) => {
// i is for the index of the array of orders
let i = 0;
//for each loop through our array list
$.each(data, function () {
//console.log(data)
//console.log(i);
// is how we arrange the data and show it to the frontpage
$(`<table id = order_table_layout>
<tr>
<th>Customer</th>
<th>Date</th>
<th>Time</th>
<th>Total</th>
<th>Order</th>
<th>Order Status</th>
</tr>
<tr>
<td>${data[i].customer_name}</td>
<td>${data[i].date}</td>
<td>${data[i].time}</td>
<td>${data[i].total} Kr.</td>
<td>
${data[i].products[i].name}
${data[i].products[i].price} Kr.
</td>
<td>
</td>
</tr>
</table>`
).appendTo("#frontpage_new_ordertable");
// counts 1 up for each loop to go through list
i++;
//console.log(i);
});
});
编辑:我正在使用的json数据的示例如下所示:
[
{
id: "4WQITi6aXvQJsKilBMns",
customer_name: "Susanne",
date: "22-12-2002",
time: "12:43:19",
total: 222,
products: [
{ name: "product name", price: 100 },
{ name: "product name2", price: 20 }
]
您的代码中有几个问题。首先,您要为data
数组中的每个对象创建一个全新的表。相反,在表中为每个项目创建一个新行要有意义得多。
同样,您似乎想遍历子products
数组。因此,您需要一个内部循环来为模板文字之外的那些元素创建HTML字符串。
但是,值得注意的是,在您的JS中包含这么多的HTML不是一个好习惯。更好的方法是tr
在HTML中有一个隐藏的模板,您可以克隆该模板,使用data
数组中的数据进行更新,然后将其追加到表的DOM中tbody
。
话虽如此,请尝试以下操作:
//$.get("http://localhost:8888/orderslist", (data) => {
// mock response:
let data = [{id:"4WQITi6aXvQJsKilBMns",customer_name:"Susanne",date:"22-12-2002",time:"12:43:19",total:222,products:[{name:"product name",price:100},{name:"product name2",price:20}]},{id:"asjdkjk21ijjjew",customer_name:"Foo Bar",date:"10-05-2020",time:"16:46:16",total:68,products:[{name:"Lorem ipsum",price:50},{name:"Fizz buzz",price:18}]}];
let rows = data.map(item => {
let $clone = $('#frontpage_new_ordertable tfoot tr').clone();
$clone.find('.customer-name').text(item.customer_name);
$clone.find('.date').text(item.date);
$clone.find('.time').text(item.time);
$clone.find('.total').text(item.total + ' Kr.');
let products = item.products.map(prod => `${prod.name}: ${prod.price} Kr.`);
$clone.find('.products').html(products.join('<br />'));
return $clone;
});
$("#frontpage_new_ordertable tbody").append(rows);
//});
tfoot {
display: none;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<table id="frontpage_new_ordertable">
<tbody>
<tr>
<th>Customer</th>
<th>Date</th>
<th>Time</th>
<th>Total</th>
<th>Order</th>
<th>Order Status</th>
</tr>
</tbody>
<tfoot>
<tr>
<td class="customer-name"></td>
<td class="date"></td>
<td class="time"></td>
<td class="total"></td>
<td class="products"></td>
<td></td>
</tr>
</tfoot>
</table>
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