Django 之奇技淫巧 View

Django View

1. HttpResponse

http.py

 def _read_file(file_name, buffer_size):
	f = open(file_name, "rb")
	while True:
		c = f.read(buffer_size)
		if c:
			yield c
		else:
			break
	f.close()


def down_file(file_name, download_file_name='download.file', content_type='APPLICATION/OCTET-STREAM', buffer_size=1024):
	response = HttpResponse(_read_file(file_name, buffer_size), content_type=content_type);
	response['Content-Type'] = 'application/octet-stream; charset=utf-8'
	response['Content-Disposition'] = 'attachment; filename={0}'.format(download_file_name)
	return response
​

views.py

def out_odt(requesest,name):
template = webodt.ODFTemplate('test.odt')
context = dict(name=name)
document = template.render(Context(context))
base_path = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
output_path = os.path.join(base_path,'_webodt','outputs','out.odt')
with open(output_path,'w') as f:
	f.write(document.read())
	f.close()

return down_file(output_path)
​

下载文件,自定义返回类型
没办法用中文名，等待 hack

response['Content-Disposition'] = 'attachment; filename={0}'.format(download_file_name.encode('UTF-8'))
​

把 download_file_name 进行 urlencode 只在个别浏览器起效