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IM SDK Web API 文档
IM SDK Web API 文档
types
isFileMessageBody
Function isFileMessageBody
isFileMessageBody
(
body
:
MessageBody
)
:
body
is
FileMessageBody
类型守卫：判断是否为文件消息体
Parameters
body
:
MessageBody
Returns
body
is
FileMessageBody
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IM SDK Web API 文档
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类型守卫：判断是否为文件消息体