使用浏览器访问python写的服务器程序

import socket
import re
import multiprocessing
def service_client(client_socket):
  data = client_socket.recv(1024)
  recv_data=data.decode("utf-8")
  print(recv_data)
  #GET /index.html HTTP/1.1
  ret=re.match(r"[^/]+ /([\S]+\s|\s)",recv_data)
  file_n="index.html"
  if ret:
    if ret.group(1)!=" ":
      print(ret.group(1))
      file_n=ret.group(1)
  else:
    print("代码有误！")
  try:
    with open(file_n,"rb") as f:
      content=f.read()
      f.close()
  except Exception as r:
    print(r)
    content = "<h2>file not found<\h2>".encode("utf-8")
  header="HTTP/1.1 200 OK\r\n"
  empty="\r\n"
  response=(header+empty).encode('utf-8')
  client_socket.send(response)
  client_socket.send(content)
  client_socket.close()
  print("client_socket.close()已调用")
def main():
  tcp_socket=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
  tcp_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
  local_addr=("127.0.0.1",7788)
  tcp_socket.bind(local_addr)
  tcp_socket.listen(128)
  while True:
    client_socket, client_addr = tcp_socket.accept()
    p=multiprocessing.Process(target=service_client,args=(client_socket,))
    p.start()
    # p.join()
  tcp_socket.close()
if __name__ == "__main__":
  main()