# 阻塞 I/O >收快递，快递如果不到，就干不了其他的活

#  阻塞 I/O     　　　　　　->收快递，快递如果不到，就干不了其他的活

import socket
import time

def blocking(pn):   #页码
    sock = socket.socket()
    url = 'www.baidu.com'
    port = 80
    sock.connect((url,port))  #请求百度
    request = 'GET {} HTTP/1.0\r\nHost: www.baidu.com\r\n\r\n'.format('/s?wd={}'.format(pn))
    sock.send(request.encode())  #编码发送   rrequest的内容

    response = b''
    inf = sock.recv(1024)
    while inf:                #因为一次接收不完， 所以循环接收
        response += inf
        inf = sock.recv(1024)
    #print(response.decode())    #解码打印
    return response

#blocking(1)

def block_way():
    for i in range(10):
        blocking(i)     #搜索wd = 1 和wd = 2 和wd = 3 和wd = 4 和 wd = 5

if __name__ == '__main__':
    start_time = time.time()
    block_way()
    print("请求10次耗时为:{}".format(time.time() - start_time))    #字符串拼接