python 培训之Django

时间:2023-03-09 02:05:44
python 培训之Django

  1.Install 

sudo apt-get install python-pip
sudo pip install django==1.8

 2. Create Project

django-admin startproject projname

3. Create App

cd prjname
python manage.py startapp appname

4. Center URL&&setting

Control center in projname/projname/
##url config
Url Pattern setting
url(r^$,include('tcmwebapp.urls')),
url(r'^tcmwebapp',include('tcmwebapp.urls')),
## static url setting
urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)

urlpatterns += static(settings.STATIC_URL, document_root=settings.STATIC_ROOT)

## setting config
INSTALL APP( appname )

5. app urls&&view,

## url config
cd appname/
touch urls.py
url(r'xxx',views.fucname,name=XXX)
### views.py
def fucname():
return HttpResponse("helloworld")
cd projname/
python manage.py runserver
(tip:0.0.0.0:)
chrome localhost:8090
### helloworld

6. Global Config

cd projname/
mkdir static
mkdir templates
cd appname/
mkdir static/appname
mkdir templates/appname

7. static&templates&setting AutoTool: djangobower

7.1 Install.

sudo apt-get install python-software-properties
sudo apt-get install node
sudo apt-get install nodejs
sudo apt-get install npm
sudo apt-get install git
curl -SL http://deb
.nodesource.com/setup_6.x | sudo -E bash -
sudo apt-get install nodejs-legacy
sudo npm install -g bower
sudo pip install django-bower

7.2 Config

http://django-bower.readthedocs.io/en/latest/index.html
import os PROJECT_ROOT = os.path.abspath(
os.path.join(os.path.dirname(__file__), ".."),
) DEBUG = True
TEMPLATE_DEBUG = DEBUG DATABASES = {
'default': {
'ENGINE': 'django.db.backends.sqlite3',
'NAME': 'db',
'USER': '',
'PASSWORD': '',
'HOST': '',
'PORT': '',
}
} STATIC_ROOT = os.path.join(PROJECT_ROOT, 'static') STATIC_URL = '/static/' BOWER_COMPONENTS_ROOT = os.path.join(PROJECT_ROOT, 'components') STATICFILES_FINDERS = (
'django.contrib.staticfiles.finders.FileSystemFinder',
'django.contrib.staticfiles.finders.AppDirectoriesFinder',
'djangobower.finders.BowerFinder',
) SECRET_KEY = 'g^i##va1ewa5d-rw-mevzvx2^udt63@!xu$-&di^19t)5rbm!5' TEMPLATE_LOADERS = (
'django.template.loaders.filesystem.Loader',
'django.template.loaders.app_directories.Loader',
) MIDDLEWARE_CLASSES = (
'django.middleware.common.CommonMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
) ROOT_URLCONF = 'example.urls' WSGI_APPLICATION = 'example.wsgi.application' TEMPLATE_DIRS = (
os.path.join(PROJECT_ROOT, 'templates'),
) INSTALLED_APPS = (
'django.contrib.staticfiles',
'djangobower',
) BOWER_INSTALLED_APPS = (
'jquery',
'underscore',
)

7.2 Use

python manage.py bower_install
python manage.py collectstatic
Change projname center UrlConfig
urlpattern += (settings.STATIC_URL,name=settings.STATIC_Document)
urlpattern +=(settings.MEDIA_URL,name=settings.MEDIA_Document)

8. Design Web Templates

8.1 View distrubution

python 培训之Django

python manage.py makemigrations
python manage.py migrate
### update database

8.2 create html 

8.2.1 base.html

projectname/templates/base.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE =edge">
<meta name="viewport" content = "width=device-width,initial-scale=1">
<title>
{% block title %}WebNet{% endblock %}
</title>
{% load staticfiles %}
<link rel="stylesheet" href={% static 'bootstrap/dist/css/bootstrap.css' %}>
<script src={% static 'jquery/dist/jquery.min.js' %}></script>
<script src={% static 'bootstrap/dist/js/bootstrap.min.js' %}></script>
{% block head %}
{% endblock %}
</head>
<body>
{% block body %}
{% endblock %}
<div class="scripts">
{% block scripts %}
{% endblock %}
</div>
</body>
</html>

8.2.3 user_base.html

{% extends "base.html" %}
{% load staticfiles %}
{% block head %}
<!-- <link rel="stylesheet" href={% static 'usercenter/css/style.css' %}>
--> {% endblock %}
{% block scripts %}
{% endblock %}

8.3.4 web html

{% extends "netapp/base_netapp.html" %}
{% block body %}
<link href="/static/netapp/css/search.css" rel="stylesheet"> <section class="content">
<div class="container-fluid">
<div class="form">
<div class="form-title">心脏毒性网络</div>
<div class="form-body">
<form class="navbar-form" action="/netapp/search" method="post" role="search"> {% csrf_token %}
<table>
<input type="text" class="form-control" name="chem_name" size="60" maxlength="60" placeholder="Chemical Name">
<button type="submit" class="btn btn-danger navbar-btn">Submit</button>
</table>
</form>
</div>
</div>
</div>
</section>
{% endblock %}
{% block scripts %}
<!-- <script src = "/static/usercenter/js/userApp.js"></script> -->
{% endblock %}

8.3.5 css add

.form{
margin-top: 150px;
margin-right: 10px;
margin-left: 10px;
text-align: center;
} .form-title{
font-weight:bold;
font-family:arial,verdana,sans-serif;
font-size:18px;
}

9. Design View

from django.shortcuts import render
from django.http import HttpResponse
from tasks import chem_gene_query
# Create your views here.
def index(request):
return render(request,"netapp/index.html") def search(request):
if request.method == "POST":
message = request.POST["chem_name"]
result = chem_gene_query(message)
return render(request,"netapp/result.html",{"result":result})
return render(request,"netapp/index.html")

10. add scripts in project 

#!/usr/bin/env/python
# -*- coding:UTF-8 -*-
from __future__ import print_function
import MySQLdb
import sys def mysql_connect():
try:
conn = MySQLdb.connect(host="localhost",user="tcd_net",
passwd='tcd_net',db='ctd_net',port=3306,charset='utf8')
cur = conn.cursor()
return conn,cur
except MySQLdb.Error,e:
print(e.args)
sys.exit(1) def query_db(conn,cursor,command):
try:
cursor.execute(command)
conn.commit()
results = cursor.fetchall()
return results
except MySQLdb.Error,e:
print(e.args)
sys.exit(1) def chem_gene_query(chem):
conn,cur = mysql_connect()
query_command = """select chemicalName,chemicalID,casId,
genesymbol,geneid,geneforms,organism,organismid,interaction,
interactionActions,pubmedid from chem_gene where chemicalName = "%s";"""%chem
chem_gene_result = query_db(conn,cur,query_command)
result = []
keys = ["chemicalName","chemicalID","casId","genesymbol",
"geneid","geneforms","organism","organismid",
"interaction","interactionActions","pubmedid"]
for res in chem_gene_result:
out = {}
for i in range(len(res)):
out[keys[i]] = res[i]
if out:
result.append(out)
return result

11. Design results Display

{% extends "netapp/base_netapp.html" %}
{% block body %}
<link href="/static/netapp/css/search.css" rel="stylesheet"> <section class="content">
<div class="container-fluid">
<table class="table table-bordered table-condensed">
<caption>SearchResults</caption>
<thead>
<tr>
<th>chemicalName</th>
<th>genesymbol</th>
<th>interactionActions</th>
<th>pubmedid</th>
</tr>
</thead>
{% for i in result %}
<tbody>
<tr>
<td>{{ i.chemicalName }}</td>
<td>{{ i.genesymbol }}</td>
<td>{{ i.interactionActions }}</td>
<td>{{ i.pubmedid }}</td>
</tr>
</tbody>
{% endfor %}
</table>
</div>
</section>
{% endblock %}
{% block scripts %}
<!-- <script src = "/static/usercenter/js/userApp.js"></script> -->
{% endblock %}