EntityPrefetch

实体类型列表»

EntityPrefetch["type"]

获取与指定类型的所有实体关联的可缓存值.

EntityPrefetch[EntityProperty["type","prop"]]

获取指定属性的所有值.

更多信息

  • EntityPrefetch["type"] 获取指定 "type" 的实体的所有可缓存的属性值,并将其保存在系统中.

范例

打开所有单元关闭所有单元

基本范例  (2)

获取 "Planet" 实体的可缓存数据:

预取特定属性:

范围  (3)

EntityPrefetch 可用来预加载给定 Entity 类型的数据:

如果预取的资源不存在,返回 Failure

EntityPrefetch 只获取尚未在系统上出现的属性:

Wolfram Research (2018),EntityPrefetch,Wolfram 语言函数,https://reference.wolfram.com/language/ref/EntityPrefetch.html.

文本

Wolfram Research (2018),EntityPrefetch,Wolfram 语言函数,https://reference.wolfram.com/language/ref/EntityPrefetch.html.

CMS

Wolfram 语言. 2018. "EntityPrefetch." Wolfram 语言与系统参考资料中心. Wolfram Research. https://reference.wolfram.com/language/ref/EntityPrefetch.html.

APA

Wolfram 语言. (2018). EntityPrefetch. Wolfram 语言与系统参考资料中心. 追溯自 https://reference.wolfram.com/language/ref/EntityPrefetch.html 年

BibTeX

@misc{reference.wolfram_2024_entityprefetch, author="Wolfram Research", title="{EntityPrefetch}", year="2018", howpublished="\url{https://reference.wolfram.com/language/ref/EntityPrefetch.html}", note=[Accessed: 22-November-2024 ]}

BibLaTeX

@online{reference.wolfram_2024_entityprefetch, organization={Wolfram Research}, title={EntityPrefetch}, year={2018}, url={https://reference.wolfram.com/language/ref/EntityPrefetch.html}, note=[Accessed: 22-November-2024 ]}