python读取doc

import os, time, fnmatch

from docx import Document

class search:

  def __init__(self, path, search_string, file_filter):

    self.search_path = path

    self.search_string = search_string

    self.file_filter = file_filter

    print ("Search %s in %s..." % (

      self.search_string, self.search_path

    ) )

    print ("_" * 80)

    time_begin = time.time()

    file_count = self.walk()

    print ("_" * 80)

    print ("%s files searched in %0.2fsec." % (

      file_count, (time.time() - time_begin)

    ))

#遍历所有的文件，记录文件数量

  def walk(self):

    file_count = 0

    for root, dirlist, filelist in os.walk(self.search_path, followlinks=True):

      for filename in filelist:

        for file_filter in self.file_filter:

          if fnmatch.fnmatch(filename, file_filter):

            self.search_file(os.path.join(root, filename))

            file_count += 1

    return file_count

#遍历文件中的字符串，并且剪切显示出来

  def search_file(self, filepath):

    d = Document(filepath)

    for para in d.paragraphs:

      if self.search_string in d.paragraphs:

        print(filepath)

        self.cutout_content(content)

#剪切字符串并且显示

  def cutout_content(self, content):

    current_pos = 0

    search_string_len = len(self.search_string)

    for i in xrange(max_cutouts):

      try:

              #从current_pos位置往后寻找self.search_string个字符串

        pos = content.index(self.search_string, current_pos)

      except ValueError:

        break

#将显示窗口定义为寻找到的关键字向前向后各content_extract个字符

      content_window = content[ pos - content_extract : pos + content_extract ]

      print (">>>", content_window.encode("String_Escape"))

      current_pos += pos + search_string_len

    print

#主程序入口

if __name__ == "__main__":

  search_path = r"c:\Users\Administrator\Desktop"

  file_filter = ("*.docx",".doc") # fnmatch-Filter

  search_string = "history"

  content_extract = 35 #获取摘要35

  max_cutouts = 20 #显示窗口20

  search(search_path, search_string, file_filter)