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但是上传大一些的文件或者含有控制字符的时候SecureCRT提示
zmodem transfer canceled by remote side

解决：使用 rz -e 命令可以解决这个问题

lrzsz是一个unix通信套件提供的X，Y，和ZModem文件传输协议,可以用在windows与linux 系统之间的文件传输，体积小速度快。
lrzsz的功能
非常便携，使用GNU autoconf自动配置。
崩溃恢复。
最多8KB的块大小(ZMODEM8K)。
国际化(使用GNU gettext)。存在程序输出的德语翻译。
比原始来源安全得多。
高性能。说“ make vcheck-z”并查看BPS速率-我最近看到每秒1.4 MB的速度 通过管道(在I586 / 133系统上，通过管道传输大文件。击败它！)。
良好的块大小计算(尝试根据发生的错误数来计算最佳块大小)。
lrzsz 在线安装
yum -y install lrzsz
上传本地文件到服务器
[roooot@123zasb5ywp0rkfeZ www]# rz
下载服务器文件到本地
[root@123zasb5ywp0rkf www]# sz a.txt

项目需要，在mac上将打包好的文件(四五百兆)自动上传到web后台，用了两种方式上传，都报了类似的错误，在windows和linux上测试不会报错，但是到了mac打包机上就会报错：
①第一种报错：
Traceback (most recent call last):
File "my_upload.py", line 61, in <module>
upload_pack(f)
File "my_upload.py", line 54, in upload_pack
r = requests.post(url, form, files=files)
File "/Library/Python/2.7/site-packages/requests-2.9.1-py2.7.egg/requests/api.py", line 107, in post
return request('post', url, data=data, json=json, **kwargs)
File "/Library/Python/2.7/site-packages/requests-2.9.1-py2.7.egg/requests/api.py", line 53, in request
return session.request(method=method, url=url, **kwargs)
File "/Library/Python/2.7/site-packages/requests-2.9.1-py2.7.egg/requests/sessions.py", line 468, in request
resp = self.send(prep, **send_kwargs)
File "/Library/Python/2.7/site-packages/requests-2.9.1-py2.7.egg/requests/sessions.py", line 576, in send
r = adapter.send(request, **kwargs)
File "/Library/Python/2.7/site-packages/requests-2.9.1-py2.7.egg/requests/adapters.py", line 426, in send
raise ConnectionError(err, request=request)
requests.exceptions.ConnectionError: ('Connection aborted.', error(32, 'Broken pipe'))
代码：
# -*- coding: UTF-8 -*-
import requests
import json
import sys
reload(sys)
sys.setdefaultencoding("utf-8")
url = 'http://10.242.12.121:9096/auto_upload/'
# config
channel = unicode('test2').encode('utf-8')
form = {'platform': 'Android', 'channel': channel, 'publish_time': '2016-08-01 00:00', 'remarks': 'auto_test', 'code': 'HH'}
files = {'file': ('D3174449.apk', open('D3174449.apk', 'rb'), 'application/octet-stream')}
print 'upload...'
s = requests.session()
r = s.post(url, form, files=files, timeout=500)
print r.text
# print unicode(json.loads(r.text)).encode('utf-8')
print 'upload_end'
第二种报错：urllib2.URLError: 
代码：
#!/usr/bin/python
# -*- coding: utf-8 -*-
import sys
reload(sys)
sys.setdefaultencoding("utf-8")
# buld post body data
import urllib2
import time
boundary = '----WebKitFormBoundary3hYfNZFUuz8yiMid'
data = []
data.append('--%s' % boundary)
data.append('Content-Disposition: form-data; name="%s"\r\n' % 'platform')
data.append('Android')
data.append('--%s' % boundary)
data.append('Content-Disposition: form-data; name="%s"\r\n' % 'channel')
data.append('360')
data.append('--%s' % boundary)
data.append('Content-Disposition: form-data; name="%s"\r\n' % 'publish_time')
data.append('2016-08-23 00:00')
data.append('--%s' % boundary)
data.append('Content-Disposition: form-data; name="%s"\r\n' % 'remarks')
data.append('hh2')
data.append('--%s' % boundary)
data.append('Content-Disposition: form-data; name="%s"\r\n' % 'code')
data.append('HH')
data.append('--%s' % boundary)
fr = open(u'./D3174449.apk', 'rb')
data.append('Content-Disposition: form-data; name="%s"; filename="D3174449.apk"' % 'file')
data.append('Content-Type: %s\r\n' % 'application/octet-stream')
data.append(fr.read())
fr.close()
data.append('--%s--\r\n' % boundary)
http_url = 'http://10.242.12.121:9096/auto_upload/'
http_body = '\r\n'.join(data)
print 'upload...'
try:
# buld http request
req = urllib2.Request(http_url, data=http_body)
# header
#req.add_header('Content-Type', 'multipart/form-data; boundary=%s' % boundary)
#req.add_header('User-Agent', 'Mozilla/5.0')
#req.add_header('Referer', 'http://10.246.13.129:9099/auto_upload/')
req.add_header('Accept', 'application/json, text/javascript, */*; q=0.01')
req.add_header('Accept-Encoding', 'gzip, deflate')
req.add_header('Accept-Language', 'zh-CN,zh;q=0.8')
req.add_header('Connection', 'keep-alive')
#req.add_header('Content-Length', '620')
req.add_header('Content-Type', 'multipart/form-data; boundary=%s' % boundary)
req.add_header('Cookie', 'session=.eJyrVkosLclQsjLUUUrOT0lVsqpWUkhSslIKdgmsUqoFCRYVALkZGXkmBhYGSjpKqbmJmTkIEQeQAr281JLUxOJUveT8XKCStNKcnLzEXKBhSjGlFgaphjGlZilmlkq1AP-KIUg.Cp7ldw.cDtv8It9wXz12qb7JbI5gf08rew')
req.add_header('Origin', 'http://10.246.13.129:9096')
req.add_header('Referer', 'http://10.246.13.129:9096/auto_upload/')
req.add_header('User-Agent', 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36')
req.add_header('X-Requested-With', 'XMLHttpRequest')
# post data to server
resp = urllib2.urlopen(req, timeout=500)
# get response
qrcont = resp.read()
print qrcont
except Exception, e:
print e
print 'upload end'
搜索能力有限，去谷歌搜了下没有找到合适的解决办法，或者是理解不够：
https://github.com/kennethrei…
服务端代码：
def auto_upload():
"""
上传文件
"""
try:
file = request.files['file']
except:
print 'file fail'
print 'myautofile_debug', file
platform = request.form.get('platform')
channel = request.form.get('channel')
publish_time = request.form.get('publish_time')
remarks = request.form.get('remarks')
code = request.form.get('code')
#create channel if channel does not exist
data = {'platform': platform, 'channel': channel, 'remarks': '', 'app_num': 0, 'code': code}
result = app.config['mongo'].insert_channel_data(data)
print 'result:', result
#if result is not False:
# 增加渠道目录
platform_dir = os.path.join(app.config['UPLOAD_FOLDER'], code, platform)
channel_dir = os.path.join(platform_dir, channel)
print 'add_channel', platform_dir, channel_dir, os.path.exists(platform_dir), os.path.exists(channel_dir)
#try:
if not os.path.exists(platform_dir):
os.mkdir(platform_dir)
if not os.path.exists(channel_dir):
os.mkdir(channel_dir)
#except:
#return Response(json.dumps('fail'), mimetype='application/json')
# channel = channel.encode('utf-8')
relative_path = code + os.sep + platform + os.sep + channel + os.sep
#print 'upload_file', relative_path
if file:
# filename = secure_filename(file.filename)
filename = file.filename
filename = gen_file_name(filename, relative_path)
mimetype = file.content_type
#print 'auto_mimetype:', mimetype
if not allowed_file(file.filename, platform):
#print 'not allowed'
result = uploadfile(name=filename, type=mimetype, size=0, not_allowed_msg="文件类型错误！")
else:
# save file to disk
uploaded_file_path = os.path.join(app.config['UPLOAD_FOLDER'], relative_path + filename)
file.save(uploaded_file_path)
# get file size after saving
size = os.path.getsize(uploaded_file_path)
size_str = _formatFileSize(size)
#print 'size', size, size_str
# save data into database
data = {}
data['code'] = code
data['platform'] = platform
data['channel'] = channel
data['filename'] = filename
data['url'] = uploaded_file_path
data['size'] = size_str
data['publish_time'] = publish_time
data['upload_time'] = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
data['remarks'] = remarks
app.config['mongo'].insert_app_data(data)
# return json for js call back
result = uploadfile(name=filename, type=mimetype, size=size, relative_path = relative_path)
return json.dumps({"files": [result.get_file()]})
你这个一般都需要结合服务器端的软件代码、框架版本之类的来解决啊，不过既然你特意说了Windows、Linux和MAC的差异，我只知道一个比较重要的差异，就是MAC操作系统在对方shutdown的情况下不能保持半连接状态，一段时间后悔自动关闭，所以如果你的服务器端在还没有传输完文件的情况下就以某种方式SHUTDOWN了写的一端，就会在传输中出错，比如说先发送了返回值，再慢慢接收数据。没有别的信息的话只能先这么猜了。