Python云端系统开发——将Python数据分析代码发布到Django网站上
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文章目录
步骤1：新建工程：
django-admin startproject mysite
cd mysite
步骤2-1：修改工程：
python manage.py startapp showapp
步骤2-2：在showapp文件夹下新建templates文件夹
把html文件放在templates文件夹下
步骤2-3：在mysite文件夹下新建static文件夹（与mysite/mysite文件夹同级）
把所用的图片放在这个文件夹下
项目构成
步骤2-4：修改showapp文件夹下的views.py，对URL的具体响应功能
from django.shortcuts import render
# Create your views here.
def show(request):
return render(request,"index.html")
def showdemo1(request):
return render(request, "demo1.html")
def showdemo2(request):
return render(request, "demo2.html")
def showdemo3(request):
return render(request, "demo3.html")
def showdemo4(request):
return render(request, "demo4.html")
def showdemo5(request):
return render(request, "demo5.html")
def showdemo6(request):
return render(request, "demo6.html")
def showdemo7(request):
return render(request, "demo7.html")
def showdemo8(request):
return render(request, "demo8.html")
步骤2-5：修改mysite文件夹下的urls.py，指定URL与响应之间的关系
"""mysite URL Configuration
The `urlpatterns` list routes URLs to views. For more information please see:
https://docs.djangoproject.com/en/3.2/topics/http/urls/
Examples:
Function views
1. Add an import: from my_app import views
2. Add a URL to urlpatterns: path('', views.home, name='home')
Class-based views
1. Add an import: from other_app.views import Home
2. Add a URL to urlpatterns: path('', Home.as_view(), name='home')
Including another URLconf
1. Import the include() function: from django.urls import include, path
2. Add a URL to urlpatterns: path('blog/', include('blog.urls'))
"""
from django.contrib import admin
from django.urls import path
from showapp import views
urlpatterns = [
path('index/',views.show),
path('demo1/',views.showdemo1),
path('demo2/',views.showdemo2),
path('demo3/',views.showdemo3),
path('demo4/',views.showdemo4),
path('demo5/',views.showdemo5),
path('demo6/',views.showdemo6),
path('demo7/',views.showdemo7),
path('demo8/',views.showdemo8),
path('admin/', admin.site.urls),
]
index.html文件
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Welcome</title>
<style>
body{background-color:#000}
#nei{height:250px;width:100%;}
#wai{height:500px;width:100%;background-color:#000;overflow: hidden;}
.list1{list-style:none;display:block;}
.div1{width:365px;float:right;margin:0 auto}
select{height:50px;width:250px}
h2{color:white;font-family:"楷体"}
*{
margin: 0;
padding: 0;
}
h1{
font-family:"楷体";
position: absolute;
line-height: 50px;
letter-spacing: 5px;
color: #fff;
width: 300px;
top: 40%;
left: 50%;
margin-left: -200px;
font-size: 30px;
}
</style>
</head>
<body>
<div id="nei">
<br>
<br>
<h2 align="center">Python数据分析实训</h2>
<br>
<br>
<ul>
<div class="div1">
<select onchange="window.location=this.value;">
<option value="http://127.0.0.1:8000/demo1/">Matplotlib图形配置</option>
<option value="http://127.0.0.1:8000/demo2/">Matplotlib子图与多子图</option>
</select>
</div>
<div class="div1">
<select onchange="window.location=this.value;">
<option value="http://127.0.0.1:8000/demo3/">三维图</option>
<option value="http://127.0.0.1:8000/demo4/">Basemap和Seaborn</option>
</select>
</div>
<div class="div1">
<select onchange="window.location=this.value;">
<option value="http://127.0.0.1:8000/demo5/">电商精准营销—数据预处理概述</option>
<option value="http://127.0.0.1:8000/demo6/">电商精准营销—数据清洗</option>
</select>
</div>
<div class="div1">
<select onchange="window.location=this.value;">
<option value="http://127.0.0.1:8000/demo7/">电商精准营销—数据探索与可视化</option>
<option value="http://127.0.0.1:8000/demo8/">电商精准营销—购买意向预测</option>
</select>
</div>
</ul>
</div>
<div id="wai">
<h1>
</h1>
<canvas></canvas>
<script>
var canvas=document.querySelector("canvas");
ctx=canvas.getContext("2d");
w=canvas.width=window.innerWidth;
h=canvas.height=window.innerHeight;
var canvas2=document.createElement("canvas");
ctx2=canvas2.getContext("2d");
canvas2.width=100;
canvas2.height=100;
var a=canvas2.width/2;
var grandient=ctx.createRadialGradient(a,a,0,a,a,a);
grandient.addColorStop(0.025,'#fff');
grandient.addColorStop(0.1, 'hsl(220,59%,18%)');
grandient.addColorStop(0.025, 'hsl(220,60%,33%)');
grandient.addColorStop(1,"transparent");
ctx2.fillStyle=grandient;
ctx2.beginPath();
ctx2.arc(a,a,a,0,Math.PI*2);
ctx2.fill();
ctx2.closePath();
var stars=[];
var count=0;
function Star(){
this.pos=Math.floor(Math.random()* w/2-100);
this.r=Math.floor(Math.random()*100);
this.dx=w/2;
this.dy=h/2;
this.rand=Math.floor(Math.random()*360);
this.speed=this.pos/100000;
stars[count]=this;
count ++;
}
Star.prototype.draw=function(){
var x=Math.sin(this.rand+1)* this.pos+this.dx;
y=Math.cos(this.rand)*this.pos/2+this.dy;
ctx.drawImage(canvas2,x-this.r/2,y-this.r/2,this.r,this.r);
this.rand=this.rand+this.speed;
}
for(var i=0;i<1000;i++){
new Star();
}
function anmit(){
ctx.clearRect(0,0,w,h);
for(var i=0;i<stars.length;i++){
stars[i].draw();
}
requestAnimationFrame(anmit);
}
anmit();
var oH=document.getElementsByTagName("h1")[0];
var arr=["基于Python","电商精准营销","数据分析"],
index=0,
arrLen=arr.length,
strLen=arr[0].length;
pos=0,
row=0,
str="",
timer=null;
function print() {
while(row<index){
str=str+arr[row]+"<br>";
row++;
}
oH.innerHTML=str+arr[index].substring(0,pos);
if(pos==strLen){
index++;
pos =0;
if(index<arr.length){
strLen=arr[index].length;
timer=setTimeout(print,250);
}
}else{
pos++;
timer=setTimeout(print,250);
}
}
setTimeout(print,250);
</script>
</div>
</body>
</html>
完整代码
运行效果
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