请求构造授权页会返回一个OAuth2回传信息 POST 到客户端 ，OAuth 2.0 Form Post Response Mode ，是一个对 OAuth2 的扩展，构造回传信息提交到客户端是通过URL的querystring和fragment这两种方式，这个扩展标准提供了一基于form表单的形式把数据post给客户端的机制。
Request URL:https://p2.xxx.cn/ Request Method:POST Status Code:302 Remote Address:58.220.27.80:443 Referrer Policy:no-referrer-when-downgrade id_token:eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsIng1dCI6ImEzck1VZ01Gdjl0UGNsTGE2eUYzekFrZnF1RSIsImtpZCI6ImEzck1VZ01Gdjl0UGNsTGE2eUYzekFrZnF1RSJ9.eyJpc3MiOiJodHRwczovL3Nzby5jbG91ZGhvdGVscy5jbiIsImF1ZCI6IjEwMDAwMDA1IiwiZXhwIjoxNDk2NTYwMjA1LCJuYmYiOjE0OTY1NjAyMDQsIm5vbmNlIjoiNjM2MzIxNTY5OTYxOTU2NjM4Lk9EZGxaVEJrT1dJdFltVTRNaTAwT1RsaUxUazVaamt0TmpZMFlUa3dOams0TVRFME9EY3pNMk00WldVdE56SXlaaTAwWWpnd0xUbGhaREF0TTJOa05tRTNOelkyTXpKbCIsImlhdCI6MTQ5NjU2MDIwNCwiYXRfaGFzaCI6InJEYVhQcXRaSFZEcUxVSzhscmotUFEiLCJzaWQiOiJhNjBlMDA4NjUyMWU5OWMwOTkxMjJlOWQ1NGU2YTg3MCIsInN1YiI6ImlydmluZyIsImF1dGhfdGltZSI6MTQ5NjU2MDIwNCwiaWRwIjoiaWRzcnYiLCJ1c2VyIjoie1wiVXNlcklEXCI6XCJpcnZpbmdcIixcIlVzZXJOYW1lXCI6XCLlkajmtptcIixcIlVzZXJQd2RcIjpcIioqKioqKlwiLFwiU2FsdFwiOlwiKioqKioqXCIsXCJDaXR5QXJlYUlEXCI6XCIxMDAwMDAwOFwiLFwiQ2l0eUFyZWFOTVwiOlwi5Y2X5Y2O6KW_XCIsXCJDaXR5R3JvdXBJRFwiOlwiXCIsXCJDaXR5R3JvdXBOYW1lXCI6XCJcIixcIkpvYklEXCI6XCJBMDAwM1wiLFwiSm9iVGl0bGVcIjpcIuWfjuWMuumUgOWUruWJr-aAu-ebkVwiLFwiRW1haWxcIjpcInl4ZGVuZ0Bob21laW5ucy5jb21cIixcIkJ1c2luZXNzRGVwXCI6XCJcIixcIlVzZXJTb3VyY2VcIjozLFwiWFR5cGVcIjoyLFwiTW9iaWxlXCI6XCIxMzgxNzk2MzY2MlwiLFwiSG90ZWxDZFwiOlwiMDIxMDY0XCIsXCJIb3RlbE5hbWVcIjpcIuS4iua1t-WcuuS4rei3r-WcsOmTgeermeW6l--8iOWGheWuvu-8iVwiLFwiSG90ZWxKb2JJRFwiOlwiUkpDV0pMXCIsXCJIb3RlbEpvYlRpdGxlXCI6XCLotKLliqHnu4_nkIZcIixcIkJyYW5kQ2RcIjpcIlJKXCIsXCJCcmFuZERlc2NcIjpcIuWmguWutlwiLFwiVXBkYXRlVGltZVwiOlwiMjAxNy0wNS0xOFQwOTo0MDoyMS4wNFwifSIsImFtciI6WyJwYXNzd29yZCJdfQ.c_Dn0xxmLRGsp9_iZ7T2UOhwGf2uVjKwWYeGrKr70HtWDXcoafurb6_JxgEwdcWJzlhv3t9a-Y-LcupLbRBfBO-mP7CcbWM5Jr5zn55-z7RH2QnMlViK17AOOiXrKdCr8kTaGAK2bnkMpYIzk4oUAgWkwS3z0_RQ4G1aAIwIDxRvrKo4DuLwCXGPTYXp7YwAemnpvgywNvDM6yjKEL8KltdKyYWaHg8zxQVEPUOeteLFlsBA6rHJ873YTv-s6XNH3Rx944Sh75qGmPCkv3N3mEIDvHd8emMKyGJ53_Rbr6Jjr6eH_h8XNdwvtSIlH3GRfCgsJXppGxEl-KtRDGaR0w access_token:eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsIng1dCI6ImEzck1VZ01Gdjl0UGNsTGE2eUYzekFrZnF1RSIsImtpZCI6ImEzck1VZ01Gdjl0UGNsTGE2eUYzekFrZnF1RSJ9.eyJpc3MiOiJodHRwczovL3Nzby5jbG91ZGhvdGVscy5jbiIsImF1ZCI6Imh0dHBzOi8vc3NvLmNsb3VkaG90ZWxzLmNuL3Jlc291cmNlcyIsImV4cCI6MTQ5NjU2MDIwNSwibmJmIjoxNDk2NTYwMjA0LCJjbGllbnRfaWQiOiIxMDAwMDAwNSIsInNjb3BlIjpbIm9wZW5pZCIsInByb2ZpbGUiXSwic3ViIjoiaXJ2aW5nIiwiYXV0aF90aW1lIjoxNDk2NTYwMjA0LCJpZHAiOiJpZHNydiIsImFtciI6WyJwYXNzd29yZCJdfQ.e4DeFyh2Jt6dnsry0ALSbEJpj34lbN0u_iW9YAsc_XlSgWm044LeI19xRzgZvzF4lN_4jjwjvMaQPzOO4MOokSmSAjwnMdVg1j2b9U3c7YyqIUQMueHn1hTr06f2kd2OLYLz38RnNilvFf1xAAF8tXs2TOyrHl9L39i6Nb3I7pQenooIoIbP8yRGpGAztRVBBEHf-b1-7b1wmhaDYEKe_dFOXzlNPRjFzrDhvCcoke2SHJ3Zo60c9JQVUKopFPYUF0EN_TDsS4dHeZCE55tLb--1KJpz7e2WVNGMbts7HGUrlpa4O4mwESxN_c1F3V8YVstdEB7i8xYZCSqQHUdE4Q token_type:Bearer expires_in:1 scope:openid profile state:OpenIdConnect.AuthenticationProperties=Tl--AjNJpswyb_R1ytC6SqEKnWP5FWe969jAIK-tPHj7l5bCYieg5fffC111-Bjur08jIafy5-DNg2ESrenp71it4OBCLnUsLXPbFGxlsT6jWwsTmRgJf5HxG-HtsTZm2iIwDkFl2P4GmlUt7GAl8gMuTNlaLqB3M-RuJ2prt603WzMQ session_state:UDOKlCOQmRPUjrKy2bRKz-erQ9Ze4jkre7FwspSAZBA.d02260a76d5c74285e125e59531cea07
注意这一步会返回一个 302 的 Location 头，并且是 HTTP ？