为什么我的到不了主页一直到404错误？

老蟒蛇

应该是跳到html主页，我用的pycharm


# coding = utf-8

from socket import *
from multiprocessing import Process
import  re

# 设置静态文件根目录
HTML_ROOT_DIR = "./html"





class HTTPServer(object):
    def __init__(self):
        self.S = socket(AF_INET, SOCK_STREAM)
        self.S.setsockopt(SOL_SOCKET, SO_REUSEADDR, 1)




    def start(self):
        self.S.listen(5)
        while True:
            client_socket, client_address = self.S.accept()
            print("[%s: %s]用户连接上了" % client_address)
            handle_client_process = Process(target=self.handle_client, args=(client_socket,))
            handle_client_process.start()
            client_socket.close()

    def handle_client(self,client_socket):
        """处理客户端请求"""
        request_data = client_socket.recv(1024)
        print(request_data)
        request_lines = request_data.splitlines()
        for line in request_lines:
            print(line)
            # 解析请求报文
        request_start_line = request_lines[0]
        # 提取用户请求的文件名
        print(request_start_line.decode("utf-8"))
        file_name = re.match(r"\w+ +(/[^ ]*) ", request_start_line.decode("utf-8")).group(1)
        if "/" == file_name:
            file_name = "/index.html"
        # 打开文件

        try:
            file = open(HTML_ROOT_DIR + file_name, "rb")
        except IOError:
            response_start_line = "HTTP/1.1 404 Not Found\r\n"
            response_headers = "Server:My server\r\n"
            response_body = "the file is not found!"
        else:
            file_data = file.read()
            file.close()

            # 构造相应数据
            response_start_line = "HTTP/1.1 200 OK\r\n"
            response_headers = "Server:My server\r\n"
            response_body = file_data.decode("utf-8")

        response = response_start_line + response_headers + "\r\n" + response_body
        print("response data:", response)
        client_socket.send(bytes(response, "utf-8"))
        client_socket.close()

    def bind(self, port):
        self.S.bind(("",port))


def main():
    http_server = HTTPServer()
    http_server.bind(8000)
    http_server.start()

if __name__ == "__main__":
    main()

老蟒蛇

1. # coding = utf-8
   
2. 
   
3. from socket import *
   
4. from multiprocessing import Process
   
5. import  re
   
6. 
   
7. # 设置静态文件根目录
   
8. HTML_ROOT_DIR = "./html"
   
9. 
   
10. 
    
11. 
    
12. 
    
13. 
    
14. class HTTPServer(object):
    
15.     def __init__(self):
    
16.         self.S = socket(AF_INET, SOCK_STREAM)
    
17.         self.S.setsockopt(SOL_SOCKET, SO_REUSEADDR, 1)
    
18. 
    
19. 
    
20. 
    
21. 
    
22.     def start(self):
    
23.         self.S.listen(5)
    
24.         while True:
    
25.             client_socket, client_address = self.S.accept()
    
26.             print("[%s: %s]用户连接上了" % client_address)
    
27.             handle_client_process = Process(target=self.handle_client, args=(client_socket,))
    
28.             handle_client_process.start()
    
29.             client_socket.close()
    
30. 
    
31.     def handle_client(self,client_socket):
    
32.         """处理客户端请求"""
    
33.         request_data = client_socket.recv(1024)
    
34.         print(request_data)
    
35.         request_lines = request_data.splitlines()
    
36.         for line in request_lines:
    
37.             print(line)
    
38.             # 解析请求报文
    
39.         request_start_line = request_lines[0]
    
40.         # 提取用户请求的文件名
    
41.         print(request_start_line.decode("utf-8"))
    
42.         file_name = re.match(r"\w+ +(/[^ ]*) ", request_start_line.decode("utf-8")).group(1)
    
43.         if "/" == file_name:
    
44.             file_name = "/index.html"
    
45.         # 打开文件
    
46. 
    
47.         try:
    
48.             file = open(HTML_ROOT_DIR + file_name, "rb")
    
49.         except IOError:
    
50.             response_start_line = "HTTP/1.1 404 Not Found\r\n"
    
51.             response_headers = "Server:My server\r\n"
    
52.             response_body = "the file is not found!"
    
53.         else:
    
54.             file_data = file.read()
    
55.             file.close()
    
56. 
    
57.             # 构造相应数据
    
58.             response_start_line = "HTTP/1.1 200 OK\r\n"
    
59.             response_headers = "Server:My server\r\n"
    
60.             response_body = file_data.decode("utf-8")
    
61. 
    
62.         response = response_start_line + response_headers + "\r\n" + response_body
    
63.         print("response data:", response)
    
64.         client_socket.send(bytes(response, "utf-8"))
    
65.         client_socket.close()
    
66. 
    
67.     def bind(self, port):
    
68.         self.S.bind(("",port))
    
69. 
    
70. 
    
71. def main():
    
72.     http_server = HTTPServer()
    
73.     http_server.bind(8000)
    
74.     http_server.start()
    
75. 
    
76. if __name__ == "__main__":
    
77.     main()

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