mimeParams.get(name)
-
name<string> -
返回:<string> | <null> 如果没有具有给定
name的名称/值对,则为字符串或null。¥Returns: <string> | <null> A string or
nullif there is no name-value pair with the givenname.
返回名称为 name 的第一个名称-值对的值。如果没有这样的对,则返回 null。
¥Returns the value of the first name-value pair whose name is name. If there
are no such pairs, null is returned.