效果图就不上了
用了才知道好
改了大半天
麻烦死了
上代码
import re
import urllib
import requests.packages.urllib3
import time
import os
from urllib.request import urlopen
import requests
from tqdm import tqdm
class Getfile(): #下载文件
def __init__(self,url):
self.url=url
#self.filename=filename
self.re=requests.head(url,allow_redirects=True) #运行head方法时重定向
def getsize(self):
try:
self.file_total=int(self.re.headers['Content-Length']) #获取下载文件大小
return self.file_total
except:
print('无法获取下载文件大小'+ '\n'*2)
exit()
def getfilename(self): #获取默认下载文件名
filename=''
if 'Content-Disposition' in self.re.headers:
n=self.re.headers.get('Content-Disposition').split('name=')[1]
filename=urllib.parse.unquote(n,encoding='utf8')
elif os.path.splitext(self.re.url)[1]!='':
filename=os.path.basename(self.re.url)
return filename
def download_from_url(url, path):
"""
@param: url to download file
@param: dst place to put the file
"""
file_size = int(urlopen(url).info().get('Content-Length', -1))
if os.path.exists(path):
first_byte = os.path.getsize(path)
else:
first_byte = 0
if first_byte >= file_size:
return file_size
header = {"Range": "bytes=%s-%s" % (first_byte, file_size)}
pbar = tqdm(
total=file_size, initial=first_byte,
unit='B', unit_scale=True, desc='progress:')
req = requests.get(url, headers=header, stream=True)
with(open(path, 'wb')) as f:
for chunk in req.iter_content(chunk_size=1024):
if chunk:
f.write(chunk)
pbar.update(1024)
pbar.close()
return file_size
if __name__ == '__main__':
url = input('请输入地址：')
while not re.match('^(https?|ftp)://.+$',url):
url = input("网址格式错误，请重新输入:")
file1=Getfile(url)
file_total=file1.getsize()
filename=file1.getfilename()
if filename=='':
filename=input('无法获取下载文件名,请自行输入:')
print ("下载的文件为："+str('%.2f' % (file_total/1024/1024))+"MB"+ '\n'*2)
print ("开始下载文件:"+filename)
filename_strip = filename.strip()[1:-1]
download_from_url(url, 'E:/000000/'+ filename_strip)
print(filename_strip + ' 下载成功！' + '\n'*2 + '10s后退出窗口')#非cmd或linux运行可注释掉
time.sleep(10)
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