我的表中有 20 百万行。我正在尝试使用http://www.jqplot.com/tests/date-axes.php(日期与时间)绘制时间戳图 jquery 如何处理这么多要绘制的数据它。两个问题:
1.如何从下面的代码构造一个数组:
line1=[['2008-09-30',4], ['2008-10-30',6], ['2008-11-30',5], ['2008-12-30',9], ['2009-01-30',8]];`
2.在这种情况下我该如何即兴创作代码:
def get_data(request):
cdr = Cdr.objects.values_list('start_of_call',flat=True)
context_instance=RequestContext(request, {}))
return render_to_response('cdr/get_data.html', context_instance=RequestContext(request, {'cdr':cdr}))
模板:
<script class="code" type="text/javascript">
$(document).ready(function(){
{% for c in cdr %}
{{ c|date:"d M Y"}}
{% endfor %}
How to construct the below array line from for loop or using jquery methods
//var line1=[['2008-09-30',4], ['2008-10-30',6], ['2008-11-30',5], ['2008-12-30',9], ['2009-01-30',8]];
var plot1 = $.jqplot('chart1', [line1], {
title:'Default Date Axis',
axes:{xaxis:{renderer:$.jqplot.DateAxisRenderer}},
series:[{lineWidth:4, markerOptions:{style:'square'}}]
});
});
</script>
EDIT
line1=[['2008-09-30',4], ['2008-10-30',6], ['2008-11-30',5], ['2008-12-30',9], ['2009-01-30',8]];`
在上面的行 4,6,5,9,8 是小时
EDIT2
CDR 值:
[datetime.datetime(2012, 9, 13, 15, 54, 52, tzinfo=<UTC>), datetime.datetime(2012, 9, 22, 18, 24, 18, tzinfo=<UTC>), datetime.datetime(2012, 9, 6, 7, 42, 50, tzinfo=<UTC>), datetime.datetime(2012, 9, 7, 21, 27, 13, tzinfo=<UTC>), datetime.datetime(2012, 9, 3, 11, 57, 9, tzinfo=<UTC>), datetime.datetime(2012, 9, 1, 17, 23, 41, tzinfo=<UTC>), datetime.datetime(2012, 9, 15, 6, 14, 33, tzinfo=<UTC>), datetime.datetime(2012, 9, 4, 5, 36, 30, tzinfo=<UTC>), datetime.datetime(2012, 9, 17, 10, 45, 6, tzinfo=<UTC>), datetime.datetime(2012, 10, 1, 3, 1, 17, tzinfo=<UTC>), datetime.datetime(2012, 9, 27, 8, 36, 41, tzinfo=<UTC>), datetime.datetime(2012, 9, 30, 3, 12, 18, tzinfo=<UTC>), datetime.datetime(2012, 9, 18, 4, 8, 49, tzinfo=<UTC>), datetime.datetime(2012, 9, 2, 7, 21, tzinfo=<UTC>), datetime.datetime(2012, 9, 19, 16, 57, 34, tzinfo=<UTC>), datetime.datetime(2012, 9, 17, 17, 14, 49, tzinfo=<UTC>), datetime.datetime(2012, 9, 1, 22, 40, 33, tzinfo=<UTC>), datetime.datetime(2012, 9, 15, 1, 7, 39, tzinfo=<UTC>), datetime.datetime(2012, 9, 22, 17, 11, 45, tzinfo=<UTC>), datetime.datetime(2012, 9, 10, 3, 16, 21, tzinfo=<UTC>), '...(remaining elements truncated)...']