指定出口IP，发起HTTP请求
# -*- coding=utf-8 -*- import socket import requests true_socket = socket.socket ipbind='xxx.xxx.xxx.xxx' def bound_socket(*a, **k): sock = true_socket(*a, **k) # 端口是0， 操作系统会自动选择可用的端口号 sock.bind((ipbind, 0)) return sock socket.socket = bound_socket r = requests.get('http://ip.cn/') print r.status_code