Python は単純な HttpServer サーバーを実装します

import socket import sys import getFileContent #声明一个将要绑定的IP和端口，这里是用本地地址 server_address = ('localhost', 8080) class WebServer(): def run(self): print >>sys.stderr, 'starting up on %s port %s' % server_address #实例化一个Socket sock=socket.socket(socket.AF_INET,socket.SOCK_STREAM) #绑定IP和端口 sock.bind(server_address) #设置监听 sock.listen(1) #这里首先给个死循环，其实这里是需要多线程的，再后续版本将会实现 while True: #接受客户端的请求并得到请求信息和请求的端口信息 connection, client_address = sock.accept() print >>sys.stderr, 'waiting for a connection' try: #获取请求信息 data = connection.recv(1024) if data: #发送请求信息 connection.sendall(getFileContent.getHtmlFile(data)) finally: connection.close() if __name__ == '__main__': server=WebServer() server.run()

import sys import os #得到要发送的数据信息 def getHtmlFile(data): msgSendtoClient="" requestType=data[0:data.find("/")].rstrip() #判断是GET请求还是POST请求 if requestType=="GET": msgSendtoClient=responseGetRequest(data,msgSendtoClient) if requestType=="POST": msgSendtoClient=responsePostRequest(data,msgSendtoClient) return msgSendtoClient #打开文件，这里不直接写，二是去取要发送的文件再写 def getFile(msgSendtoClient,file): for line in file: msgSendtoClient+=line return msgSendtoClient #筛选出请求的一个方法 def getMidStr(data,startStr,endStr): startIndex = data.index(startStr) if startIndex>=0: startIndex += len(startStr) endIndex = data.index(endStr) return data[startIndex:endIndex] #获取要发送数据的大小，根据HTTP协议规范，要提前指定发送的实体内容的大小 def getFileSize(fileobject): fileobject.seek(0,2) size = fileobject.tell() return size #设置编码格式和文件类型 def setParaAndContext(msgSendtoClient,type,file,openFileType): msgSendtoClient+="Content-Type: "+type+";charset=utf-8" msgSendtoClient+="Content-Length: "+str(getFileSize(open(file,"r")))+"\n"+"\n" htmlFile=open(file,openFileType) msgSendtoClient=getFile(msgSendtoClient,htmlFile) return msgSendtoClient #GET请求的返回数据 def responseGetRequest(data,msgSendtoClient): return responseRequest(getMidStr(data,'GET /','HTTP/1.1'),msgSendtoClient) #POST请求的返回数据 def responsePostRequest(data,msgSendtoClient): return responseRequest(getMidStr(data,'POST /','HTTP/1.1'),msgSendtoClient) #请求返回数据 def responseRequest(getRequestPath,msgSendtoClient): headFile=open("head.txt","r") msgSendtoClient=getFile(msgSendtoClient,headFile) if getRequestPath==" ": msgSendtoClient=setParaAndContext(msgSendtoClient,"text/html","index.html","r") else: rootPath=getRequestPath if os.path.exists(rootPath) and os.path.isfile(rootPath): if ".html" in rootPath: msgSendtoClient=setParaAndContext(msgSendtoClient,"text/html",rootPath,"r") if ".css" in rootPath: msgSendtoClient=setParaAndContext(msgSendtoClient,"text/css",rootPath,"r") if ".js" in rootPath: msgSendtoClient=setParaAndContext(msgSendtoClient,"application/x-javascript",rootPath,"r") if ".gif" in rootPath: msgSendtoClient=setParaAndContext(msgSendtoClient,"image/gif",rootPath,"rb") if ".doc" in rootPath: msgSendtoClient=setParaAndContext(msgSendtoClient,"application/msword",rootPath,"rb") if ".mp4" in rootPath: msgSendtoClient=setParaAndContext(msgSendtoClient,"video/mpeg4",rootPath,"rb") else: msgSendtoClient=setParaAndContext(msgSendtoClient,"application/x-javascript","file.js","r") return msgSendtoClient