python建立web服务的实例方法

 from SimpleXMLRPCServer import SimpleXMLRPCServer def file_reader(file_name): with open(file_name, 'r') as f: return f.read() server = SimpleXMLRPCServer(('localhost', 8000)) server.register_introspection_functions() server.register_function(file_reader) server.serve_forever()

 import re import socket     def service_cilent(new_socket):   request = new_socket.recv(1024).decode("utf-8")   # Python splitlines() 按照行('\r', '\r\n', \n')分隔，返回一个包含各行作为元素的列表，如果参数 keepends 为 False，不包含换行符，如果为 True，则保留换行符。   request_lines = request.splitlines()   print(request_lines)   file_name = ""   ret = re.match(r"[^/]+(/[^ ]*)", request_lines[0])   if ret:     file_name = ret.group(1)     if file_name == "/":       file_name = "index.html"   try:     f = open(file_name, "rb")   except:     response = "HTTP/1.1 404 NOT FOUND\r\n\r\n"     response += "------file not found-----"     new_socket.send(response.encode("utf-8"))   else:     # 打开文件成功就读文件 然后关闭文件指针     html_content = f.read()     f.close()     # 准备发送给浏览器的数据---header     response = "HTTP/1.1 200 OK\r\n\r\n"     # 将response header发送给浏览器     new_socket.send(response.encode("utf-8"))     # 将response body发送给浏览器     new_socket.send(html_content)   # 关闭套接字   new_socket.close()     def main():   # 创建套接字   tcp_server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)   # tcp_server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)   # 绑定   tcp_server_socket.bind(("", 7089))   # 监听套接字   tcp_server_socket.listen(128)   while True:     new_socket, cilent_addr = tcp_server_socket.accept()     service_cilent(new_socket)   # 关闭监听套接字   tcp_server_socket.close()     if __name__ == '__main__':   main()