django環境搭建和第一個介面
django環境搭建
首先下載需要的原始碼包然後按照如下步驟安裝
yum install apr-devel
yum install apr-util-devel
yum install atlas-devel
cd python && ./configure --prefix=/home/work/env/python -enable-shared CFLAGS=-fPIC
cd setuptool && /home/work/env/python/bin/python setup.py install
cd pysqlite && /home/work/env/python/bin/python setup.py install
cd django && /home/work/env/python/bin/python setup.py install
cd redis && make && ln -s redis-cli /home/work/env/redis/redis-cli && ln -s redis-server /home/work/env/redis/redis-server
cd redispy && /home/work/env/python/bin/python setup.py install
cd redisco && /home/work/env/python/bin/python setup.py install
cd httpd && ./configure --prefix=/home/work/env/apache --enable-rewrite --enable-so --enable-headers --enable-expires --enable-deflate
配置apache
LoadModule wsgi_module modules/mod_wsgi.so
WSGIScriptAlias / /home/work/wwwroot/myproject/myproject/wsgi.py
WSGIPythonPath /home/work/wwwroot/myproject
<Directory /home/work/wwwroot/myproject>
<Files wsgi.py>
Order allow,deny
Allow from all
</Files>
</Directory>
配置好以後,建立一個django的project
django-admin.py startproject myproject
manage.py startapp test
註冊app,編輯myproject/settings.py
INSTALLED_APPS = ( 'django.contrib.admin', 'django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.messages', 'django.contrib.staticfiles', 'common',#註冊APP 'apachereduce', 'mysqlreduce', ) MIDDLEWARE_CLASSES = ( 'django.contrib.sessions.middleware.SessionMiddleware', 'django.middleware.common.CommonMiddleware', #'django.middleware.csrf.CsrfViewMiddleware',#因為是純後端API,前邊還有php作為驗證和中轉等,所以這裡去掉csrf驗證 'django.contrib.auth.middleware.AuthenticationMiddleware', 'django.contrib.auth.middleware.SessionAuthenticationMiddleware', 'django.contrib.messages.middleware.MessageMiddleware', 'django.middleware.clickjacking.XFrameOptionsMiddleware', )
配置url轉發
myproject/urls.py
from django.conf.urls import patterns, include, url
from django.contrib import admin
urlpatterns = patterns('',
# Examples:
# url(r'^$', 'reduceserver.views.home', name='home'),
# url(r'^blog/', include('blog.urls')),
# url(r'^admin/', include(admin.site.urls)),
url(r'^api/v1/test/', include('test.urls')),
)
test/urls.py
from django.conf.urls import patterns, url
from test import views
urlpatterns = patterns('',
url(r'^(.*)/_hello$', views.hello, name='hello'),
)
test/views.py
from django.shortcuts import render
from django.http import HttpResponse
import json
def callreduce(request, index):
#testget = request.GET.get('testget')#get引數獲取方法
token = request.META.get('HTTP_TOKEN')#head引數獲取方法,注意引數名實際為“CTOKEN”,但是在django裡需要在前邊加“HTTP_”防止和內建的引數混淆
post = json.loads(request.body)#post引數獲取方法
query = post['query']
return HttpResponse('Hello World!!!')