django是乙個基於python語言的伺服器框架，能夠幫助我們輕易開發乙個web應用，下面記錄一些簡單的安裝使用方法。
sudo pip install django==1.5.1
建立乙個新的web服務（mysite，可以進行路由路徑配置，資料庫配置等）
django-admin.py startproject mysite
建立乙個新的web應用（books，具體**實現）
類似mvc框架，django提供model，view等模組供我們使用（不過django的model更類似於資料庫定義，view類似mvc中的controller，template才是mvc中的view）編輯**如下
books/models.py
from django.db import models
# create your models here.
class publisher(models.model):
name = models.charfield(max_length=30)
address = models.charfield(max_length=50)
city = models.charfield(max_length=60)
state_province = models.charfield(max_length=30)
country = models.charfield(max_length=50)
website = models.urlfield()
def __unicode__(self):
return self.name
#class author(models.model):
# first_name = models.charfield(max_length=30)
# last_name = models.charfield(max_length=40)
# email = models.emailfield()
## def __unicode__(self):
# return u'%s %s' % (self.first_name, self.last_name)
#class book(models.model):
# title = models.charfield(max_length=100)
# authors = models.manytomanyfield(author)
# publisher = models.foreignkey(publisher)
# publication_date = models.datefield()
## def __unicode__(self):
# return self.title
# create your views here.
from django.shortcuts import render_to_response
from books.models import publisher
def list_publishers(request):
publishers = publisher.objects.all()
return render_to_response('list_publishers.html', )
id #}
name #}
mysite/settings.py
'books',
)databases =
}template_dirs = (
'/home/ciaos/mysite/templates',)
mysite/urls.py（利用python強大的正規表示式配置路由）
urlpatterns = patterns('',
# examples:
# url(r'^$', 'mysite.views.home', name='home'),
# url(r'^mysite/', include('mysite.foo.urls')),
# uncomment the admin/doc line below to enable admin documentation:
# url(r'^admin/doc/', include('django.contrib.admindocs.urls')),
# uncomment the next line to enable the admin:
url(r'^publishers/',list_publishers)
)
通過python manage.py shell簡單操作查詢資料庫
執行資料庫如下（如果要後台執行可以使用nohup）
python manage.py runserver
用ab測試
ciaos@linux-53dr:~/mysite> sudo /usr/sbin/ab2 -c 10 -n 10000併發資料等沒有參考意義，因為是在我筆記本的虛擬機器上測試的，主要是與tornado伺服器做對比。用django實現乙個簡易的web應用還是非常方便的。this is apachebench, version 2.3 <$revision: 655654 $>
licensed to the apache software foundation,
benchmarking 127.0.0.1 (be patient)
completed 1000 requests
completed 2000 requests
completed 3000 requests
completed 4000 requests
completed 5000 requests
completed 6000 requests
completed 7000 requests
completed 8000 requests
completed 9000 requests
completed 10000 requests
finished 10000 requests
server software: wsgiserver/0.1
server hostname: 127.0.0.1
server port: 8000
document path: /publishers/
document length: 69 bytes
concurrency level: 10
time taken for tests: 49.311 seconds
complete requests: 10000
failed requests: 0
write errors: 0
total transferred: 2020000 bytes
html transferred: 690000 bytes
requests per second: 202.80 [#/sec] (mean)
time per request: 49.311 [ms] (mean)
time per request: 4.931 [ms] (mean, across all concurrent requests)
transfer rate: 40.00 [kbytes/sec] received
connection times (ms)
min mean[+/-sd] median max
connect: 0 2 38.6 0 1001
processing: 22 47 82.8 36 2562
waiting: 6 41 82.7 31 2553
total: 22 49 91.3 36 2562
percentage of the requests served within a certain time (ms)
50% 36
66% 39
75% 41
80% 42
90% 52
95% 63
98% 100
99% 428
100% 2562 (longest request)
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