string preUrl = "https://www.baidu.com/b2bsearch/jump?sv_cr=92&uign=244bcb32a62d1043477357a3167b3b1d&timeSignOri=1559274805";
在獲得url后,我們需要在獲取指定參數,比如我現在需要獲取timeSignOri參數,那么,可以這么寫:
string param_timeSignOri = HttpUtility.ParseQueryString(preUrl).Get("timeSignOri");