Python遍历文件夹和读写文件的方法

#-*- coding: UTF-8 -*- '''1、读取指定目录下的所有文件2、读取指定文件，输出文件内容3、创建一个文件并保存到指定目录'''import os# 遍历指定目录，显示目录下的所有文件名def eachFile(filepath):    pathDir =  os.listdir(filepath)    for allDir in pathDir:        child = os.path.join('%s%s' % (filepath, allDir))        PRint child.decode('gbk') # .decode('gbk')是解决中文显示乱码问题# 读取文件内容并打印def readFile(filename):    fopen = open(filename, 'r') # r 代表read    for eachLine in fopen:        print "读取到得内容如下：",eachLine    fopen.close()    # 输入多行文字，写入指定文件并保存到指定文件夹def writeFile(filename):    fopen = open(filename, 'w')    print "/r请任意输入多行文字"," ( 输入 .号回车保存)"    while True:        aLine = raw_input()        if aLine != ".":            fopen.write('%s%s' % (aLine, os.linesep))        else:            print "文件已保存!"            break    fopen.close()if __name__ == '__main__':    filePath = "D://FileDemo//Java//myJava.txt"    filePathI = "D://FileDemo//Python//pt.py"    filePathC = "C://"    eachFile(filePathC)    readFile(filePath)    writeFile(filePathI)