#!/usr/bin/python
# -*- coding:utf-8 -*-
file = open('C:/Users/Administrator/Desktop/a/b.txt','w')
file.write('你好，\n  世界。')

import os
path="./"
for root,dirs,files in os.walk(path):
for name in files:
#print name
if name.endswith(".html"):
#print root,dirs,name 
filename=root+"/"+name
f=open(filename,"r")
filecontent=""
line=f.readline() 
while line:
l=line.replace(":/arcgis_js_api","/arcgisapi")
filecontent=filecontent+l
line=f.readline()
f.close()
f=file(filename,"w")
f.writelines(filecontent)
f.close()