java Thymeleaf th：每个元素之间添加昏迷

Thymeleaf th:each adding coma between elements

提问by Kamil Witkowski

I have collection X

我有收藏 X

I iterate through it and write it like that:

我遍历它并像这样写：

<span th:each="a, stat : ${X}"
      th:text="${X[__${stat.index}__].someProperty} + ','">
</span>

my other try was:

我的另一个尝试是：

<span th:each="a, stat : ${X}" th:for="|a${stat.index}|"
      th:text="${X[__${stat.index}__].someProperty} + ','">
</span>

unfortunately the output is the same.

不幸的是，输出是一样的。

the output in the span is:

跨度中的输出是：

test1, test2, test3,

I want the output to be:

我希望输出是：

test1, test2, test3

without the comma at the end. How can I achieve that?

结尾没有逗号。我怎样才能做到这一点？

Solution:

解决方案：

1. Beware of The value of attribute th:textassociated with an element type spanmust not contain the '<' character.

1. 注意th:text与元素类型关联的属性值span不得包含“<”字符。

Code:

代码：

<span th:each="a, stat : ${X}"
      th:text=" ${X[__${stat.index}__].someProperty} +  (${stat.size-1 > stat.index}? ',':'') ">
</span>

回答by ndrone

Thymeleaf has an iteration property lastsee the documentation here: http://www.thymeleaf.org/doc/tutorials/2.1/usingthymeleaf.html#keeping-iteration-status

Thymeleaf 有一个迭代属性，last请参阅此处的文档：http: //www.thymeleaf.org/doc/tutorials/2.1/usingthymeleaf.html#keeping-iteration-status

use

利用

<span th:each="a, iterStat : ${X}" th:text="!${iterStat.last} ? ${a} + ',': ${a}"></span>