有時候需要處理很多請求，顯然，一個一個去處理是要花費很多時間的
我們就需要用到並發的方式，python並發請求的方法很多，從簡單到復雜。
本案例，介紹一個超級簡單，使用grequests庫，實現並發請求
案例應該是一系列查詢的操作，具體忘記了，很久前寫的，接口參數狠簡單，headers、body，帶上cookie就好了
因為是查詢一組數據，所有先把查詢對象變量化（可以寫到excel里去讀，這里就不介紹了，提供這個思路）
構造頭信息，直接復制
執行請求步驟，這一步是核心內容
完整代碼
import grequests import requests cookies = { '__guid': 'x', 'UM_distinctid': '1713e1c320b108-x-4e4c0f20-15f900-1713e1c320c299', 'token': 'Bearer xxx.xxx.K6Z2EvPnaKLZSJW2TGBJiLvVro8wnxpFbrMhcfkHmVm8', 'online.xxx.com_mid3503': 'xxx', 'wx_Guestcookie19009': '%7b%22StoreId%22%xx%2c%xx%22%3a0%2c%x%22%3a%22%22%2c%22QueitErr%22%3a%22%22%7d', 'wx_Storecookie19009': 'xx', 'online.xxx.com': 'xx', 'production.xxx.com': 'xxxx', 'production.xxx.com_mid47243': 'xxxxx', 'wx_Guestcookie2948': '%7b%22StoreId%22%3a2948%2c%xxx%22%3a0%2c%22WxOpenId%22%3a%22%22%2c%22QueitErr%22%3a%22%22%7d', 'vshop_cookie2948': 'xxxx', 'sensorsdata2015jssdkcross': '%7B%22distinct_id%22%3A%xxx-076acb82c3e26f-4e4c0f20-1440000-1713e1c047632b%22%2C%22%24device_id%22%3A%221713e1c0475449-076acb82c3e26f-4e4c0f20-1440000-1713e1c047632b%22%2C%22props%22%3A%7B%22%24latest_traffic_source_type%22%3A%22%E7%9B%B4%E6%8E%A5%E6%B5%81%E9%87%8F%22%2C%22%24latest_referrer%22%3A%22%22%2C%22%24latest_referrer_host%22%3A%22%22%2C%22%24latest_search_keyword%22%3A%22%E6%9C%AA%E5%8F%96%E5%88%B0%E5%80%BC_%E7%9B%B4%E6%8E%A5%E6%89%93%E5%BC%80%22%7D%2C%22ip_address%22%3A%22175.0.128.172%22%7D', 'monitor_count': '15', } headers = { 'Connection': 'keep-alive', 'Pragma': 'no-cache', 'Cache-Control': 'no-cache', 'Accept': 'application/json, text/plain, */*', 'Origin': 'https://my.xxx.com', 'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.108 Safari/537.36', 'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8', 'Sec-Fetch-Site': 'same-origin', 'Sec-Fetch-Mode': 'cors', 'Referer': 'https://my.xxxx.com/Order/Delivered', 'Accept-Encoding': 'gzip, deflate, br', 'Accept-Language': 'zh-CN,zh;q=0.9', } data1 = {'ids': '1086131'} data2 = {'ids': '1086132'} data3 = {'ids': '1086133'} data4 = {'ids': '1086134'} data5 = {'ids': '1086135'} data6 = {'ids': '1086136'} data7 = {'ids': '1086137'} data8 = {'ids': '1086138'} data9 = {'ids': '1086139'} data10 = {'ids': '1086140'} req_list = [ # 請求列表 grequests.post('https://my.xx.com/Order/ConfirmDelivery', headers=headers, cookies=cookies, data=data1), grequests.post('https://my.xxx.com/Order/ConfirmDelivery', headers=headers, cookies=cookies, data=data2), grequests.post('https://my.xxx.com/Order/ConfirmDelivery', headers=headers, cookies=cookies, data=data3), grequests.post('https://my.xxx.com/Order/ConfirmDelivery', headers=headers, cookies=cookies, data=data4), grequests.post('https://my.xxx.com/Order/ConfirmDelivery', headers=headers, cookies=cookies, data=data4), grequests.post('https://my.xx.com/Order/ConfirmDelivery', headers=headers, cookies=cookies, data=data5), grequests.post('https://my.xxx.com/Order/ConfirmDelivery', headers=headers, cookies=cookies, data=data6), grequests.post('https://my.xxx.com/Order/ConfirmDelivery', headers=headers, cookies=cookies, data=data7), grequests.post('https://my.xxx.com/Order/ConfirmDelivery', headers=headers, cookies=cookies, data=data8), grequests.post('https://my.xx.com/Order/ConfirmDelivery', headers=headers, cookies=cookies, data=data10), ] res_list = grequests.map(req_list) # 並行發送，等最后一個運行完后返回 print(res_list[0].text) # 打印第一個請求的響應文本