4 class类 web服务器
2024-09-04 08:48:14
1.换行符
2.pycharm 连接Ubuntu
1）添加环境变量
2）查看ip
3）配置目录
4）上传或者下载
3.面向对象抽象web服务器
1）版本1：类
class HttpServer(object):
""""""
pass http_server = HttpServer()
2）版本2：初始化
class HttpServer(object):
""""""
def __init__(self,port):
self.server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
self.server_socket.bind(("",port ))
self.server_socket.listen(128) http_server = HttpServer(8080)
3）版本3：定义方法
class HttpServer(object):
""""""
def __init__(self,port):
self.server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
self.server_socket.bind(("", port))
self.server_socket.listen(128) def start(self):
pass def hand_client(self):
pass http_server = HttpServer(8080)
http_server.start()
4）版本4：调整
#-*- coding:utf-8 -*-
import socket
import re
#空行
from multiprocessing import Process # 设置静态文件根目录
HTML_ROOT_DIR = "./html" #常量全部要大写 class HttpServer(object):
""""""
def __init__(self,port):
self.server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
self.server_socket.bind(("", port)) def start(self):
self.server_socket.listen(128)
while True:
client_socket, client_address = self.server_socket.accept() # 赋值的时候有空格
print("[%s,%s]用户连接上了" % client_address)
hand_client_process = Process(target=self.hand_client, args=(client_socket,))
# =函数名 不能有空格
hand_client_process.start()
client_socket.close() # 多进程会复制 client_socket def hand_client(self,client_socket):
"""处理客户端请求""" # 推荐""""""
# 获取客户端请求数据
request_data = client_socket.recv(1024)
print("request_data:", request_data)
request_data = request_data.decode("utf-8")
request_lines = request_data.splitlines()
print(request_lines) # 解析请求报文
for line in request_lines:
print(line)
# GET /favicon.ico HTTP/1.1
request_start_line = request_lines[0]
# 提取用户请求的文件名
file_name = re.match(r"\w+ +(/[^ ]*)", request_start_line).group(1)
print(file_name) if "/" == file_name: # 常量放在等号的左边
file_name = "/index.html" # 打开文件读取内容
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() # 构造响应数据 # 空一格在加注释
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:", response) # 向客户端返回相应数据
client_socket.send(bytes(response, "utf-8")) # 关闭客户端连接
client_socket.close() def main():
http_server = HttpServer(8080)
http_server.start() if __name__ == "__main__":
main()
5）版本5：增加bind方法
#-*- coding:utf-8 -*-
import socket
import re
#空行
from multiprocessing import Process # 设置静态文件根目录
HTML_ROOT_DIR = "./html" #常量全部要大写 class HttpServer(object):
""""""
def __init__(self):
self.server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) def start(self):
self.server_socket.listen(128)
while True:
client_socket, client_address = self.server_socket.accept() # 赋值的时候有空格
print("[%s,%s]用户连接上了" % client_address)
hand_client_process = Process(target=self.hand_client, args=(client_socket,))
# =函数名 不能有空格
hand_client_process.start()
client_socket.close() # 多进程会复制 client_socket def hand_client(self,client_socket):
"""处理客户端请求""" # 推荐""""""
# 获取客户端请求数据
request_data = client_socket.recv(1024)
print("request_data:", request_data)
request_data = request_data.decode("utf-8")
request_lines = request_data.splitlines()
print(request_lines) # 解析请求报文
for line in request_lines:
print(line)
# GET /favicon.ico HTTP/1.1
request_start_line = request_lines[0]
# 提取用户请求的文件名
file_name = re.match(r"\w+ +(/[^ ]*)", request_start_line).group(1)
print(file_name) if "/" == file_name: # 常量放在等号的左边
file_name = "/index.html" # 打开文件读取内容
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() # 构造响应数据 # 空一格在加注释
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:", response) # 向客户端返回相应数据
client_socket.send(bytes(response, "utf-8")) # 关闭客户端连接
client_socket.close() def bind(self,port):
self.server_socket.bind(("", port)) def main():
http_server = HttpServer()
http_server.bind(8080)
http_server.start() if __name__ == "__main__":
main()
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