模板过滤器 - last
定义和用法
该 last 过滤器返回对象的最后一个项目。
对于字符串，last 过滤器返回最后一个字符
使用 first 过滤器返回第一个项目。
语法
模板过滤器通过使用管道 | 字符后跟过滤器的名称来定义。
{{ value|last }}
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