1
我想刷新我的谷歌图表每30秒嵌入一次的<div>
,以显示其所用模型中数据的更新。Django - 使用Javascript刷新模板中div的最佳方法?
这里是模板:
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 %}
我一直用这个来刷新整个页面:
<script>
setTimeout(function(){
window.location.reload(true);
}, 5000);
</script>
你可以想像它看起来非常糟糕当整个页面每5秒重新加载一次时,是否有一种更加令人愉快的方式来重新加载包含jinja2变量的<div>
?