如何从字符串URL中获取主机域名?
GetDomain有1个输入"URL",1个输出"Domain"
示例1
INPUT: http://support.domain.com/default.aspx?id=12345
OUTPUT: support.domain.com
例子2
INPUT: http://www.domain.com/default.aspx?id=12345
OUTPUT: www.domain.com
例子3
INPUT: http://localhost/default.aspx?id=12345
OUTPUT: localhost