Python学习笔记-Txt文件转Excel文件

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Txt文件转Excel 2003文件（Excel 2003 一个工作表行数限制65536，列数限制256）

# -*- coding:utf-8 -*-

import os
import sys
import xlwt
import datetime

default_encoding = 'utf-8'
if sys.getdefaultencoding() != default_encoding:
    print sys.getdefaultencoding()
    reload(sys)
    sys.setdefaultencoding(default_encoding)
    

if __name__=='__main__':  
    startTime = datetime.datetime.now()
    
    if len(sys.argv)!=2:
        sys.exit(1)

    path=os.path.join(os.getcwd(), sys.argv[1])

    if not os.path.exists(path):
        print "ERROR: %s can not find" %path
        sys.exit(1)
        
    xlsxPath = os.path.join(os.path.dirname(path), 
        os.path.splitext(os.path.basename(path))[0] + '.xls')
        
    workbook = xlwt.Workbook(encoding='utf-8')  
    
    BUFSIZE = 1024
    EXCEL_ROWS = 65535
    EXCEL_COLS = 256
    FIELD_SEPARATOR = ','
    with open(path, 'r') as f:
        nrows, total_rows = 0, 0
        lines = f.readlines(BUFSIZE)
        while lines:
            for line in lines:
                if (nrows % EXCEL_ROWS == 0) :
                    wsheet = workbook.add_sheet('sheet' + str(total_rows), cell_overwrite_ok = True)
                    nrows = 0
                values = line.split(FIELD_SEPARATOR)
                cols_num = EXCEL_COLS if len(values) > EXCEL_COLS else len(values)
                for ncol in xrange(cols_num):
                    wsheet.write(nrows, ncol, values[ncol])  
                nrows = nrows + 1
                total_rows = total_rows + 1
            lines = f.readlines(BUFSIZE)
            
    workbook.save(xlsxPath)  
    endTime = datetime.datetime.now()
    print "spend time %s seconds" %((endTime - startTime).seconds)

Txt文件转Excel 2007文件（Excel 2007 一个工作表行数限制1048576，列数限制16384）

# -*- coding:utf-8 -*-

import os
import sys
import datetime
import xlsxwriter

default_encoding = 'utf-8'
if sys.getdefaultencoding() != default_encoding:
    print sys.getdefaultencoding()
    reload(sys)
    sys.setdefaultencoding(default_encoding)
    

if __name__ == '__main__':  
    startTime = datetime.datetime.now()
    
    if len(sys.argv)!=2:
        sys.exit(1)

    path=os.path.join(os.getcwd(), sys.argv[1])

    if not os.path.exists(path):
        print "ERROR: %s can not find" % path
        sys.exit(1)
        
    xlsxPath = os.path.join(os.path.dirname(path),
        os.path.splitext(os.path.basename(path))[0] + '.xlsx')
        
    workbook = xlsxwriter.Workbook(xlsxPath)
    
    BUFSIZE = 1024
    EXCEL_ROWS = 1040000
    EXCEL_COLS = 16384
    FIELD_SEPARATOR = ','
    with open(path, 'r') as f:
        nrows, total_rows, sheet_num = 0, 0, 0
        lines = f.readlines(BUFSIZE)
        while lines:
            for line in lines:
                if (total_rows % EXCEL_ROWS == 0) :
                    worksheet = workbook.add_worksheet(name = 'sheet' + str(sheet_num))
                    nrows = 0
                    sheet_num = sheet_num + 1
                values = line.split(FIELD_SEPARATOR)
                cols_num = EXCEL_COLS if len(values) > EXCEL_COLS else len(values)
                for ncol in xrange(cols_num):
                    worksheet.write(nrows, ncol, values[ncol])  
                nrows = nrows + 1
                total_rows = total_rows + 1
            lines = f.readlines(BUFSIZE)

    workbook.close()

    endTime = datetime.datetime.now()
    print "spend time %s seconds" % ((endTime - startTime).seconds)