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我正在使用Django Chartit
和Cassandra 3.0
显示图表是我的数据库。在我的浏览器上获取{%load chartit%}。图表未使用图表加载
我试图渲染折线图,但它没有显示图形,而是显示{% load chartit %}
。请提出建议。我使用了Google,但没有帮助。
我认为HTML中的代码是正确的。但我不知道什么是错的。
以下是补充:
Models.py
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
# -*- coding: utf-8 -*-
from django.db import models
# Create your models here.
from cassandra.cqlengine import columns
from django_cassandra_engine.models import DjangoCassandraModel
class PqpModel(DjangoCassandraModel):
prd_id = columns.BigInt(primary_key=True)
X_01 = columns.Decimal()
X_02 = columns.Decimal()
X_03 = columns.Decimal()
X_04 = columns.Decimal()
X_05_1 = columns.Decimal()
X_05_10 = columns.Decimal()
X_05_11 = columns.Decimal()
X_05_12 = columns.Decimal()
urls.py
from django.conf.urls import url, include
from . import views
urlpatterns = [
url(r'^$', views.index, name='index'),
]
views.py
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.shortcuts import render
from django.db import models
from cassandra.cqlengine import connection
from cassandra.cqlengine.management import sync_table
from cassandra.cluster import Cluster
from chartit import DataPool, Chart
from models import PqpModel
from django.http import HttpResponse
# Create your views here.
from django.http import HttpResponse
# def index(request):
# cluster = Cluster(['127.0.0.1'])
# session = cluster.connect()
# session.set_keyspace('samplepqp')
#return HttpResponse(session.execute("""SELECT * FROM qsp_recreate"""))
# insert = PqpModel(prd_id="7859654564465465")
# insert.save()
# cluster.shutdown()
def pqp_line_chart(request):
cluster = Cluster(['127.0.0.1'])
session = cluster.connect()
session.set_keyspace('samplepqp')
cluster.shutdown()
#1: Create a DataPool or PivotDataPool object that specifies what data you need to retrieve and from where.
ds = DataPool(
series=[{'options': {
'source': PqpModel.objects.all()},
'terms': [
'prd_id',
'X_01',
'X_05_1']}
])
# Step 2: Create the Chart object
cht = Chart(
datasource=ds,
series_options=
[{
'options': {
'type': 'line',
'stacking': False},
'terms': {
'prd_id': [
'X_01',
'X_05_1']
}}],
chart_options=
{'title': {
'text': 'QSPRAW DATA 7'},
'xAxis': {
'title': {
'text': 'prd id data'}}})
#return render({'qspraw7_data/index.html': cht})
return render(request, {'pqpchart': cht})
的index.html
<html>
<head>
<script type=”text/javascript” src=”/media/js/jquery-1.7.1.js”></script>
<script type=”text/javascript” src=”/media/js/Highcharts-2.1.9/js/highcharts.js”></script>
{% load chartit %}
</head>
<body>
<div id=”container”>
{{ pqpChart|load_charts:”container” }}
</div>
</body>
</html>
嗨亚历山大,我已经根据你的建议做出了改变。但是图表并没有渲染,我在浏览器中得到了这个结果:“{%load chartit%} {{pqpChart | load_charts:”container“}}”请说清楚一些。 –
更多建议请! –
我现在正在 - >在我的浏览器中,很奇怪! –