1
我想刷新我的谷歌圖表每30秒嵌入一次的<div>
,以顯示其所用模型中數據的更新。Django - 使用Javascript刷新模板中div的最佳方法?
這裏是模板:
metrics.html
{% extends 'metrics/metrics_header.html' %}
{% block content %}
<h1>Metrics</h1>
<p>Submitted = {{ submitted }},
Conforming = {{ conforming }}
Transcoding = {{ transcoding }}
Complete = {{ complete }}
Error = {{ error }}
</p>
<script type="text/javascript">
google.charts.load("current", {packages:['corechart']});
google.charts.setOnLoadCallback(drawChart);
function drawChart() {
var data = google.visualization.arrayToDataTable([
['Job State', 'Jobs', { role: "style" }],
['Submitted', {{ submitted }},'blue'],
['Conforming', {{ conforming }},'purple'],
['Transcoding', {{ transcoding }},'yellow'],
['Complete', {{ complete }},'green'],
['Error', {{ error }},'red']
]);
var view = new google.visualization.DataView(data);
view.setColumns([0, 1,
{ calc: "stringify",
sourceColumn: 1,
type: "string",
role: "annotation" },
2]);
var options = {
title: "Total Number of Jobs Processed",
bar: {groupWidth: "100%"},
legend: { position: "none" },
};
var chart = new google.visualization.ColumnChart(document.getElementById("columnchart_values"));
chart.draw(view, options);
}
</script>
<div id="columnchart_values" style="width: 100%; height:600px;"></div>
{% endblock %}
我一直用這個來刷新整個頁面:
<script>
setTimeout(function(){
window.location.reload(true);
}, 5000);
</script>
你可以想像它看起來非常糟糕當整個頁面每5秒重新加載一次時,是否有一種更加令人愉快的方式來重新加載包含jinja2變量的<div>
?