以windows service方式运行Python程序的方法

#!/usr/bin/env python 
# coding: utf-8 
# SmallestService.py 
# 
# A sample demonstrating the smallest possible service written in Python.
import win32serviceutil 
import win32service 
import win32event 
import time 
class SmallestPythonService(win32serviceutil.ServiceFramework): 
  _svc_name_ = "SmallestPythonService" 
  _svc_display_name_ = "The smallest possible Python Service" 
  def __init__(self, args): 
    win32serviceutil.ServiceFramework.__init__(self, args) 
    # Create an event which we will use to wait on. 
    # The "service stop" request will set this event. 
    self.hWaitStop = win32event.CreateEvent(None, 0, 0, None) 
  def SvcStop(self): 
    # Before we do anything, tell the SCM we are starting the stop process. 
    self.ReportServiceStatus(win32service.SERVICE_STOP_PENDING) 
    # And set my event. 
    win32event.SetEvent(self.hWaitStop) 
  def SvcDoRun(self): 
    #把你的程序代码放到这里就OK了 
    f=open('d:\log.txt','w',0) 
    f.write(time.ctime(time.time())) 
    f.close() 
    win32event.WaitForSingleObject(self.hWaitStop, win32event.INFINITE) 
if __name__=='__main__': 
  win32serviceutil.HandleCommandLine(SmallestPythonService)  
  # 括号里的名字可以改成其他的，必须与class名字一致；