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获取请求参数；请求参数生成json格式，存入文件；下载json文件
class SpockDataIntegrationDownloadHandler(tornado.web.RequestHandler):
def post(self):
selectname = self.get_argument('selectname')
json_string = {}
"""
将请求参数放到dict中
"""
type = self.get_argument('type')
starttime = self.get_argument('starttime')
endtime = self.get_argument('end_time')
json_string['starttime'] = starttime
json_string['endtime'] = endtime
json_string['type'] = type
"""
生成json文件
"""
if json_string:
filepath = './jsonfile.conf'
if os.path.exists(filepath):
os.remove(filepath)
ff = open(filepath, 'w')
json.dump(json_string, ff) # 将json格式数据写入文件
ff.close()
"""
下载文件
"""
filename = "jsonfile.conf"
self.set_header ('Content-Type', 'application/octet-stream')
self.set_header ('Content-Disposition', 'attachment; filename=' + filename)
buf_size = 4096
with open(os.path.join('',filepath), 'rb') as f:
while True:
data = f.read(buf_size)
if not data:
break
self.write(data)
self.finish()