14.2 订单详情

在订单详情界面,我们会大量使用星号语法:

<!DOCTYPE html>

<html xmlns:th="http://www.thymeleaf.org">

  <head>
    <title>Good Thymes Virtual Grocery</title>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
    <link rel="stylesheet" type="text/css" media="all"
          href="../../../css/gtvg.css" th:href="@{/css/gtvg.css}" />
  </head>

  <body th:object="${order}">

    <h1>Order details</h1>

    <div>
      <p><b>Code:</b> <span th:text="*{id}">99</span></p>
      <p>
        <b>Date:</b>
        <span th:text="*{#calendars.format(date,'dd MMM yyyy')}">13 jan 2011</span>
      </p>
    </div>

    <h2>Customer</h2>

    <div th:object="*{customer}">
      <p><b>Name:</b> <span th:text="*{name}">Frederic Tomato</span></p>
      <p>
        <b>Since:</b>
        <span th:text="*{#calendars.format(customerSince,'dd MMM yyyy')}">1 jan 2011</span>
      </p>
    </div>

    <h2>Products</h2>

    <table>
      <tr>
        <th>PRODUCT</th>
        <th>AMOUNT</th>
        <th>PURCHASE PRICE</th>
      </tr>
      <tr th:each="ol,row : *{orderLines}" th:class="${row.odd}? 'odd'">
        <td th:text="${ol.product.name}">Strawberries</td>
        <td th:text="${ol.amount}" class="number">3</td>
        <td th:text="${ol.purchasePrice}" class="number">23.32</td>
      </tr>
    </table>

    <div>
      <b>TOTAL:</b>
      <span th:text="*{#aggregates.sum(orderLines.{purchasePrice * amount})}">35.23</span>
    </div>

    <p>
      <a href="list.html" th:href="@{/order/list}">Return to order list</a>
    </p>

  </body>

</html>

除了嵌套的对象选择,基本没有什么新内容。

<body th:object="${order}">

  ...

  <div th:object="*{customer}">
    <p><b>Name:</b> <span th:text="*{name}">Frederic Tomato</span></p>
    ...
  </div>

  ...
</body>

这里*{name}等价于:

<p><b>Name:</b> <span th:text="${order.customer.name}">Frederic Tomato</span></p>

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