我得到了模板错误
XMLHttpRequest cannot load http://127.0.0.1:8000/api/items/yeasts.
No 'Access-Control-Allow-Origin' header is present on the requested resource.
Origin 'null' is therefore not allowed access.
打击
api/项目/视图.py:
^{pr2}$与
self.get_yeasts = function(){
var data = $.ajax({
dataType: "json",
url: "http:/127.0.0.1:8000/api/items/yeasts",
success: onSuccess,
error: onError,
});
}
如果我把这个改成
self.get_yeasts = function(){
var data = $.ajax({
dataType: "json",
url: "http:/127.0.0.1:8000/api/items/yeasts",
success: onSuccess,
error: onError,
beforeSend: function (request) {
request.setRequestHeader("Authorization", "Negotiate");
},
aysnc: true,
});
}
正如建议的,我得到
XMLHttpRequest cannot load http://127.0.0.1:8000/api/items/yeasts. Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'null' is therefore not allowed access.
相反。在
设置.py:
"""
Django settings for homebrew_app project.
For more information on this file, see
https://docs.djangoproject.com/en/1.7/topics/settings/
For the full list of settings and their values, see
https://docs.djangoproject.com/en/1.7/ref/settings/
"""
# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
import os
BASE_DIR = os.path.dirname(os.path.dirname(__file__))
# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/1.7/howto/deployment/checklist/
# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = 'hhp^-#(lx(h4=e3@zq%on7enee0ilngy=p7jybzm#a&kfuau@i'
# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = True
TEMPLATE_DEBUG = True
ALLOWED_HOSTS = []
# Application definition
INSTALLED_APPS = (
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
# 3rd party
'django_extensions',
'rest_framework',
'corsheaders',
# custom
'calculations',
'objects',
)
MIDDLEWARE_CLASSES = (
'django.contrib.sessions.middleware.SessionMiddleware',
'corsheaders.middleware.CorsMiddleware',
'django.middleware.common.CommonMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.auth.middleware.SessionAuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
'django.middleware.clickjacking.XFrameOptionsMiddleware',
)
ROOT_URLCONF = 'homebrew_app.urls'
WSGI_APPLICATION = 'homebrew_app.wsgi.application'
# Database
# https://docs.djangoproject.com/en/1.7/ref/settings/#databases
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.sqlite3',
'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
}
}
# Internationalization
# https://docs.djangoproject.com/en/1.7/topics/i18n/
LANGUAGE_CODE = 'en-us'
TIME_ZONE = 'UTC'
USE_I18N = True
USE_L10N = True
USE_TZ = True
# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/1.7/howto/static-files/
STATIC_URL = '/static/'
CORS_ORIGIN_WHITELIST = (
'localhost:8000',
'127.0.0.1:8000',
'localhost:5000',
'127.0.0.1:5000',
)
Django CORS出现正确的https://github.com/ottoyiu/django-cors-headers
http://127.0.0.1:8000/api/items/yeasts/可以在浏览器中工作,将酵母列表作为列表返回,并在googlechrome中以rest\u框架风格呈现。在
当您试图从另一个域(甚至是端口)获取数据时,就会发生这种情况。解决方案是在“127.0.0.1:8000”上添加http头“Access Control Allow Origin”和值“*”的“Access Control Allow Origin”,并相应地更改端口号。在
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