getPort() 函数返回 URL 中的查询部分。
getPort()
n = URL.getQuery(url)
var a=URL.getQuery("http://example.com/go.html?name=bill");var b=URL.getQuery("http://example.com");
var a=URL.getQuery("http://example.com/go.html?name=bill");
var b=URL.getQuery("http://example.com");
a = "bill"b = ""
a = "bill"
b = ""