Python实现读取多个excel;以及统计词频；使用词典

# -*- coding: utf8 -*-
import xlrd
import codecs
import os
def handExcel(path):
    #定义输出文件
    output1 = codecs.open("7.8_userQue.txt","w","utf-8")
    output2 = codecs.open("7.8_StandQue.txt","w","utf-8")

    #定义输入文件
    os.chdir(path)
    names = os.listdir(path)

    j = 1
    for name in names:
        print("读取第%d个excel"%j)
        print(name)
        bk = xlrd.open_workbook(name)
        shxrange = range(bk.nsheets)
        try:
            sh = bk.sheet_by_name("Sheet1")
        except:
            print
            "no sheet in %s named Sheet1" % name
        # 获取行数
        nrows = sh.nrows
        # 获取列数
        ncols = sh.ncols
        print("nrows %d, ncols %d" % (nrows, ncols))
        for i in range(1,nrows):
            cell_value = sh.cell_value(i, 3)
            cell_value1 = sh.cell_value(i, 4)
            output1.write(cell_value+"
")
            output2.write(cell_value1 + "
")
        j += 1
handExcel("D:/Users/cassie.xiao/PycharmProjects/read_excel/three")



---------------------------------------统计词频----------------------------------

# -*- coding: utf8 -*-

import codecs
def getfreq(freqdict):
    output1 = codecs.open("xiaoi_userQue_seg_hanlp.txt", "r", "utf-8")
    print("getfreq....")
    for line in output1.readlines():
        line = line.split(" ")
        for word in line:
            if word in freqdict.keys():
                freqdict[word] += 1
            elif word not in freqdict.keys():
                freqdict[word] = 1
    return freqdict

def sort_out(dic,outfilename):
    print("sort....")
    sort = sorted(dic.items(), key = lambda item:item[1],reverse=True)
    print("out....")
    with codecs.open(outfilename,'w','utf-8') as f:
        for each in sort:
            f.write(each[0]+":"+str(each[1])+"
")
def main():
    freqdict = {}
    freqdict1 = getfreq(freqdict)
    outfilename = "xiaoi_userQue_seg_hanlp_freq.txt"
    sort_out(freqdict1,outfilename)

if __name__ == "__main__":
    main()

--------------------------------------使用词典操作-------------------------------------

# -*- coding: utf8 -*-

import codecs
def getfreq():
    input_xiaoi_userQ = codecs.open(r"300W_xiaoi_jieba_UQ.txt", "r", "utf-8")
    input_xiaoi_standQ = codecs.open(r"300W_xiaoi_jieba_SQ.txt", "r", "utf-8")
    input_noun = codecs.open("noun.txt", "r", "utf-8")
    output_xiaoi_standQ = codecs.open(r"freq_xiaoi&Noun_standQ.txt", "w", "utf-8")
    output_xiaoi_userQ = codecs.open(r"freq_xiaoi&Noun_userQ.txt", "w", "utf-8")
    print("getfreq....")
    #先处理用户问
    dict_userQ = {}
    for line in input_xiaoi_userQ.readlines():
        if not line.startswith(":"):
            pair = line.strip().split(":")
            dict_userQ[pair[0]] = pair[1]
    for line in input_noun.readlines():
        if dict_userQ.has_key(line.strip()):

            ferq = dict_userQ.get(line.strip())
            output_xiaoi_userQ.write(line.strip() + ":" + ferq + "
")
    output_xiaoi_userQ.close()

    #处理标准问
    dict_userQ1 = {}
    for line in input_xiaoi_standQ.readlines():
        if not line.startswith(":"):
            pair = line.strip().split(":")
            # print pair
            dict_userQ1[pair[0]] = pair[1]
    # print(len(dict_userQ1))
    input_noun.seek(0)
    for line in input_noun.readlines():
        print line
        if dict_userQ1.has_key(line.strip()):
            print(line.strip())
            ferq = dict_userQ1.get(line.strip())
            output_xiaoi_standQ.write(line.strip() + ":" + ferq + "
")
    output_xiaoi_standQ.close()
getfreq()