代码    

import os  import time  import re  import threading  class brid:      def __init__(self):          th=threading.Thread(target=self.dt(),args="")          th.start()          threading.Thread.join(th)          pass      def dt(self):          a=True          while a is True:              print("xx")              time.sleep(3)              a=False      def FileSearch(self,keywords,path):          print("searching...")          results=[]          i=0          j=0          time_start=time.time()          for root,dirs,filenames in os.walk(path):              for file in filenames:                  i=i+1                  if re.search(keywords,file):                      j=j+1                      filef=os.path.join(root,file)                      print(filef)                      results.append(filef)          time_end=time.time()          time_used=time_end-time_start          print("符合的文件 : ",j)          print("共扫描文件 : ",i)          print("花费时间 : ",time_used)          return results        def FileSearchEx(self):          keywords=input("the keywords : ")          path=input("target dir : ")          destination=input("the results : ")          print("searching...")          results=[]          i=0          j=0          time_start=time.time()          for root,dirs,filenames in os.walk(path):              for file in filenames:                  i=i+1                  if re.search(keywords,file):                      j=j+1                      filef=os.path.join(root,file)                      results.append(filef)          time_end=time.time()          time_used=time_end-time_start          fh=open(destination,"w+")          for t in results:              fh.write("\n"+t)          fh.write("\n符合的文件 : "+str(j))          fh.write("\n共扫描文件 : "+str(i))          fh.write("\n花费时间 : "+str(time_used))          fh.close()          os.system(destination)          return results      if __name__=="__main__":      yz=brid()      yz.FileSearchEx()