通过：127.0.0.1:8000 来访问

发送字符串

# 用socket实现一个简单的服务器，可以通过浏览器来访问import socketdef handle(conn):  # 请求处理函数data = conn.recv(1024)print(data)conn.send(bytes("HTTP/1.1 200 OK\r\n\r\n",encoding="utf-8"))conn.send(bytes("<h1>hello world<h1>",encoding="utf-8"))def main():server = socket.socket()server.bind(("localhost", 8000))server.listen(5)print("服务启动")while True:conn, addr = server.accept()print(conn, addr)handle(conn)conn.close()if __name__ == "__main__":main()"""data
GET / HTTP/1.1
Host: 127.0.0.1:8000
Connection: keep-alive
Cache-Control: max-age=0
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Accept-Encoding: gzip, deflate, sdch, br
Accept-Language: zh-CN,zh;q=0.8
Cookie: csrftoken=u8AqdKAvfHiF0To5s8p3Dqxec2uSWldxnOOpOEbUVLPHTWVWDSUck4zFjNPxjV8V
"""

显示效果

发送html文件

# 改进版服务器，可以从文件中读取文件并发送给客户端
import socketdef handle(conn):buf = conn.recv(1024)conn.send(bytes("HTTP/1.1 200 OK\r\n\r\n",encoding="utf-8"))f = open("index.html", "rb")data = f.read()f.close()conn.send(data)def main():server = socket.socket()server.bind(("localhost", 8000))server.listen(5)print("服务启动")while True:conn, addr = server.accept()print(conn, addr)handle(conn)conn.close()if __name__ == "__main__":main()

显示效果

嵌入变量

# 改进版服务器，可以从文件中读取文件并替换变量 发送给客户端
import socket
import timedef handle(conn):buf = conn.recv(1024)conn.send(bytes("HTTP/1.1 200 OK\r\n\r\n",encoding="utf-8"))f = open("index.html", "r")data = f.read()f.close()now_time = time.strftime("%Y-%m-%d %H:%M:%S",time.localtime())html = data.replace("{{time}}", now_time)conn.send(bytes(html, encoding="utf-8"))def main():server = socket.socket()server.bind(("localhost", 8000))server.listen(5)print("服务启动")while True:conn, addr = server.accept()print(conn, addr)handle(conn)conn.close()if __name__ == "__main__":main()

显示效果

刚刚的{{ time }} 被替换为了当前时间