$.ajax({
  url: 'XXX',
  type: 'PUT',
  dataType: 'json',
  data: {
    's': $("#select-id").find("option:selected").text()
  },
  success: function (data) {
    console.log('ok');
  }
})

def func(request):
  if request.method == 'GET':
    s = request.GET.get('s', None)
    return XXX
  elif request.method == 'POST':
    s = request.POST.get('s', None)
    return XXX
  elif request.method == 'PUT':
    s = request.PUT.get('s', None)          # 我们希望愉快的获取继续处理
    return XXX
  elif request.method == 'DELETE':
    s = request.DELETE.get('s', None)        # 我们希望愉快的获取继续处理
    return XXX
  else:
    pass

#!/usr/bin/env python
# -*- coding:utf8 -*-
# __author__ = '北方姆Q'

from django.http import QueryDict
try:
  from django.utils.deprecation import MiddlewareMixin  # 1.10.x
except ImportError:
  MiddlewareMixin = object                # 1.4.x-1.9.x


class HttpPost2HttpOtherMiddleware(MiddlewareMixin):
  def process_request(self, request):
    """
    可以继续添加HEAD、PATCH、OPTIONS以及自定义方法
    HTTP_X_METHODOVERRIDE貌似是以前版本的key？？？
    :param request: 经过原生中间件处理过后的请求
    :return:
    """
    try:
      http_method = request.META['REQUEST_METHOD']
      if http_method.upper() not in ('GET', 'POST'):
        setattr(request, http_method.upper(), QueryDict(request.body))
    # except KeyError:
    #   http_method = request.META['HTTP_X_METHODOVERRIDE']
    #   if http_method.upper() not in ('GET', 'POST'):
    #     setattr(request, http_method.upper(), QueryDict(request.body))
    except Exception:
      pass
    finally:
      return None

MIDDLEWARE = [
  'django.middleware.security.SecurityMiddleware',
  'django.contrib.sessions.middleware.SessionMiddleware',
  'django.middleware.common.CommonMiddleware',
  'django.middleware.csrf.CsrfViewMiddleware',
  'django.contrib.auth.middleware.AuthenticationMiddleware',
  'django.contrib.messages.middleware.MessageMiddleware',
  'django.middleware.clickjacking.XFrameOptionsMiddleware',
  'yourappname.middleware.HttpPost2HttpOtherMiddleware',              # 改成自己的app名称哦
]