2019年03月02日   码农之路   22,561 次浏览

<th:block></th:block>是Thymeleaf提供的唯一的一个Thymeleaf块级元素,其特殊性在于Thymeleaf模板引擎在处理<th:block>的时候会删掉它本身,标签本身不显示,而保留其内容,应用场景主要有如下两个:

1、同时控制相连两个标签是否显示
如下代码:

<div id="div1" th:if="...">
</div>
<div id="div2" th:if="...">
</div>

div1和div2中两个if条件一样时,可以改成如下写法:

<th:block th:if="...">
	<div id="div1">
	</div>
	<div id="div2">
	</div>
</th:block>

2、循环同级标签
比如在表格中需要使用th:each循环两个tr,在不知道th:block标签时,可能会用th:each配合th:if使用,但是使用th:block就简单了,如下:

<table>
	<th:block th:each="...">
		<tr>...</tr>
		<tr>...</tr>
	</th:block>
</table>

 

 

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  • 1# 匿名:
    2021-02-01 14:49

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