Python--Get and Post

#python3 get and post 简单封装

 from urllib import request, parse
 import json

 def RequestMethod(methodR, url, data_dict, headers_dict):
         if methodR == 'GET':
             req = request.Request
             if data_dict:
                 data_str = parse.urlencode(data_dict)
                 url_str = url + '?' + data_str
                 if headers_dict:
                     req = request.Request(url_str,headers=headers_dict)
                 else:
                     req = request.Request(url_str)
             else:
                 if headers_dict:
                     req = request.Request(url, headers=headers_dict)
                 else:
                     req = request.Request(url)
             with request.urlopen(req) as response:
                 result = json.loads(response.read())
             return result
         elif methodR == 'POST':
             req = request.Request
             data_str = parse.urlencode(data_dict).encode('utf-8')
             if headers_dict:
                 req = request.Request(url, data=data_str, headers=headers_dict)
             else:
                 req = request.Request(url, data=data_str)
             with request.urlopen(req) as response:
                 result = json.loads(response.read())
             return result
         else:
             raise 'error'