原很简单理：
1. fiddler抓包 2. python发包和接收包通过fiddler抓包我发现relax的打卡过程是这样的：
先发送登陆包，然后服务器会返回一个维持会话的cookie； 之后再发一个包获得当天的打卡id； 最后发打卡包。然后使用python的requests库进行发包操作：
将账号密码设为字典，之后发第一个登录包，用字符串操作获得cookie， 并置入下一个获得id的包中，发包，用字符串的切片获得id，置入打卡包， 发包，接受返回信息，如果是200，即成功。最后附上代码
''' 每日打卡2.0版 采用requests库进行发包和接收包 方便快捷，整体用时3 s ''' #加载库 import requests import time from requests.packages.urllib3.exceptions import InsecureRequestWarning #调用忽略警告的库 #忽略警告 requests.packages.urllib3.disable_warnings(InsecureRequestWarning) time1=time.time() #开始进行登录 headers = { 'User-Agent':'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36' } url = 'https://xsc-health.wh.sdu.edu.cn/mobile/rpc?p=/v2/login/login&t=1601598512426' data = {"jsonrpc":"2.0","method":"/v2/login/login","id":1,"params":["202000820","whsdu@202000820","false"]} r = requests.post(url,json=data,verify=False) str1=str(r.cookies) coo=str1[27:67] print(coo) #获取id headers = { "User-Agent": "Mozilla/5.0 (iPad; CPU OS 5_0 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A334 Safari/7534.48.3", "content-type": "application/json", "Cookie":coo} url = 'https://xsc-health.wh.sdu.edu.cn/mobile/rpc?p=/v2/fight/ncp/health/report/getId&t=1601764550719' data = {"jsonrpc":"2.0","method":"/v2/fight/ncp/health/report/getId","id":"1","params":[]} r = requests.post(url,json=data,headers=headers) str2=str(r.text) id1=str2[36:72] print(id1) #发打卡包 headers = { "User-Agent": "Mozilla/5.0 (iPad; CPU OS 5_0 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A334 Safari/7534.48.3", "content-type": "application/json", "Cookie":coo} url = 'https://xsc-health.wh.sdu.edu.cn/mobile/rpc?p=/v2/workorder/action/createWithValidate&t=1601598637325' data = {"jsonrpc":"2.0","method":"/v2/workorder/action/createWithValidate","id":1,"params":[[{"id":id1,"type":"40bca208-5184-11ea-887d-cb65bdaac481","source":"mobile","apply_user":"420ca15c-f5f6-11ea-9f10-6309dd05d1d6","xllb":"本科生","szyx":"c16ecc52-f5f1-11ea-9475-b37e10b6536e","xm":"张大仙","xh":"202000820","xb":"male","lxdh":"110110","jkzt":"健康","shifoufare":"否","tiwen":36.3,"shifoujiuzhenzhuyuan":"","yiyuanmingcheng":"","shifougeli":"fou","gelifangshi":"","gelidizhi":"","dw":"{\"point\":null,\"address\":\"未获取到当前位置\",\"addressComponent\":null}","cunjieqijianshifouzaixiao":"fou","shifouzaixiao":"shi","shifouyifanhuihuocongweilikaixuexiao":"congweilikai","muqiansuozaichengshi":"guoneishengshi","sheng":"c68417d8-5afb-11ea-b7e1-278504feb271","shi":"cf1a8044-5afb-11ea-b815-53bce1ea2b16","qu":"da5508b2-5afb-11ea-b6e0-b70e441af322","xxdz":"文化西路180号","guowaidizhi":"","fanhuishijian":"","jinyigeyueshifouquguohubei":"fou","jinyigeyueshifoujiechuguoquezhenbingli":"fou","jinyigeyueshifoujiechuguoyisibingli":"fou","miqiejiechuguanxi":"","ganranzhe":"否","jiechuzhe":"否","juzhu":"否","fare":"否","hubeijingwai":"否"}],["8a525ad7-5187-11ea-a13f-53bf2079bf35"]]} r = requests.post(url,json=data,headers=headers) print(r.text) time2=time.time() end="<Response [200]>" if end==str(r): print("打卡成功") else: print("打卡失败") print("程序运行时间：",time2-time1,"秒")