Django顯示可視化圖表的實踐
一 實戰
1 Django_lab\urls.py
# -*- coding: utf-8 -*- from django.conf.urls import url,include from django.contrib import admin urlpatterns = [ url(r'^admin/', admin.site.urls), # 定義圖表url url(r'^chart/', include('chart.urls')), ]
2 在settings.py中添加圖表應用
INSTALLED_APPS = [ 'django.contrib.admin', 'django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.messages', 'django.contrib.staticfiles', # 圖表應用 'chart', ]
3 chart\urls.py
# -*- coding: utf-8 -*- from django.conf.urls import url,include from . import views urlpatterns = [ # 折線圖的url url(r'^linediagram/$', views.showlinediagram), ]
4 views.py
# -*- coding: utf-8 -*- from django.shortcuts import render from django.http import HttpResponse from matplotlib.figure import Figure from matplotlib.backends.backend_agg import FigureCanvasAgg from matplotlib.dates import DateFormatter import matplotlib.pyplot as plt import random import datetime # 折線圖對應的的模板 def showlinediagram(request): return render(request, 'chart/showlinediagram.html')
5 模板showlinediagram.html
<html> <head> <meta charset="UTF-8" /> <title>Highcharts 教程 | 菜鳥教程(runoob.com)</title> <script src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script> <script src="http://code.highcharts.com/highcharts.js"></script> </head> <body> <div id="container" style="width: 550px; height: 400px; margin: 0 auto"></div> <script language="JavaScript"> $(document).ready(function() { var title = { text: '月平均氣溫' }; var subtitle = { text: 'Source: runoob.com' }; var xAxis = { categories: ['一月', '二月', '三月', '四月', '五月', '六月' ,'七月', '八月', '九月', '十月', '十一月', '十二月'] }; var yAxis = { title: { text: 'Temperature (\xB0C)' }, plotLines: [{ value: 0, width: 1, color: '#808080' }] }; var tooltip = { valueSuffix: '\xB0C' } var legend = { layout: 'vertical', align: 'right', verticalAlign: 'middle', borderWidth: 0 }; var series = [ { name: 'Tokyo', data: [7.0, 6.9, 9.5, 14.5, 18.2, 21.5, 25.2, 26.5, 23.3, 18.3, 13.9, 9.6] }, { name: 'New York', data: [-0.2, 0.8, 5.7, 11.3, 17.0, 22.0, 24.8, 24.1, 20.1, 14.1, 8.6, 2.5] }, { name: 'Berlin', data: [-0.9, 0.6, 3.5, 8.4, 13.5, 17.0, 18.6, 17.9, 14.3, 9.0, 3.9, 1.0] }, { name: 'London', data: [3.9, 4.2, 5.7, 8.5, 11.9, 15.2, 17.0, 16.6, 14.2, 10.3, 6.6, 4.8] } ]; var json = {}; json.title = title; json.subtitle = subtitle; json.xAxis = xAxis; json.yAxis = yAxis; json.tooltip = tooltip; json.legend = legend; json.series = series; $('#container').highcharts(json); }); </script> </body> </html>
二 測試結果
1 瀏覽器輸入:http://localhost:8000/chart/linediagram
2 結果顯示結果
三 參考
https://blog.csdn.net/Temanm/article/details/54141759
https://my.oschina.net/jastme/blog/357142
https://www.hcharts.cn/demo/highcharts/
http://www.runoob.com/highcharts/highcharts-configuration-syntax.html
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