utf8Stream.write(data)
当创建流时将 options.contentMode
设置为 'utf8'
时,data
参数必须是字符串。如果 contentMode
设置为 'buffer'
,则 data
参数必须是 <Buffer>。
¥When the options.contentMode
is set to 'utf8'
when the stream is created,
the data
argument must be a string. If the contentMode
is set to 'buffer'
,
the data
argument must be a <Buffer>.