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#文件的处理
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import os
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import re
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from collections import Counter
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from os import listdir
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from os.path import join, isfile, isdir
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import jieba
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filter=[".txt"] #设置过滤后的文件类型 当然可以设置多个类型
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#查找当前文件路径下的所有文本文件
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def all_path(dirname):
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print(dirname)
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xf = 0
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adict = {}
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for subpath in listdir(dirname):
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path = join(dirname, subpath)
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if isfile(path):
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ext = os.path.splitext(path)[1]
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if ext in filter: #筛选文件中以.txt结尾的文件
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xf = xf+1
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path = path.replace(dirname, "")
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path = path.lstrip(path[0:1])
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adict[xf] = path
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elif isdir(path): #跳过文件夹，只查找目录下的文件
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continue
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for key, value in adict.items():
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print(str(key)+" : "+value)
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return adict
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#处理中文文件
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def Copenfile(name):
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strcloud = ""
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cut_words = ""
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for line in open(name, encoding='utf-8'):
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line.strip('\n')
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line = re.sub("[A-Za-z0-9\：\·\?\!\？\；\、\—\，\。\“ \”]", "", line) # 去除杂乱字符
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seg_list = jieba.cut(line, cut_all=False)
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cut_words += (" ".join(seg_list))
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all_words = cut_words.split()
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#将分词结果，以空格为间隔形成字符串，方便进行词云的生成
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for s in range(0, len(all_words)):
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strcloud = strcloud + all_words[s] + ' '
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c = Counter()
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for x in all_words:
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if len(x) > 1 and x != '\r\n': # 长度大于一，并且不为换行等字符
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c[x] += 1
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#新建文件存放词频统计结果
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resfile = "res" + name
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f = open(resfile, 'w', encoding='utf-8')
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print("-----------------------统计词频中--------------------------")
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print('词频统计结果：')
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for (k, v) in c.most_common(len(all_words)):
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print("%s:%d" % (k, v))
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f.write(k + ':' + str(v) + '\n')#将结果存入文件
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f.close() #关闭文件
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return strcloud
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#处理英文文件
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def Eopenfile(name):
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strcloud = ""
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dic = {}#设置字典，存放结果
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allword = []
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for line in open(name, encoding='utf-8'):
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line.lower()#转换为小写字母
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newline = re.split('[ ,.?!;:"]', line.strip('\n'))
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#将分词结果，以空格为间隔形成字符串，方便进行词云的生成
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for s in range(0, len(newline)):
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strcloud = strcloud + newline[s] + ' '
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#统计单词出现次数
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for i in newline:
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if i in dic:
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dic[i] += 1
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else:
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dic[i] = 1
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allword +=newline
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# 新建文件存放词频统计结果
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resfile = "res" + name
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f = open(resfile, 'w', encoding='utf-8')
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# 为便于排序，将词典转化为列表
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items = list(dic.items())
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# 根据单词的频数从高到低排序
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items.sort(key=lambda x: x[1], reverse=True)
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print("-----------------------统计词频中--------------------------")
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print('词频统计结果：')
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for i in range(len(items)):
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print(items[i])
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f.write(str(items[i]) + "\n")#将结果存入文件
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f.close()
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return strcloud
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