HighCharts: 设置时间图x轴的宽度

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这个x轴宽度的设置整了好久，被老板催的要死

highcharts的api文档很难找，找了半天也没找到，网上资料少，说的试了下，也没有，我用的图里api文档里没有介绍，这个属性不知道的话，根本不好找。为此，记录下这次事件

实例代码：

<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ include file="/WEB-INF/jsp/include/include_taglibs.jsp"%>{
"code":0,
"data":{
"content":"
<script type='text/javascript'>
try{
var options = {
chart: {
renderTo: '${biz}Trend',
type: 'spline',
height: 215,
width: 460
},
exporting: {
enabled: false
},
title: {
text: '',
x: -20
},
subtitle: {
text: '趋势分析',
x: -160
},
xAxis: {
maxPadding : 0.1,
minPadding : 0.1,
tickWidth:5,
type: 'datetime',
labels: {
rotation: -20,
y: 30,
formatter: function() {
return Highcharts.dateFormat('%Y-%m-%d', this.value);
}
}
},
yAxis: {
title: {
text: ''
},
min: 0
},
tooltip: {
formatter: function() {
return '<b>'+ this.series.name +'</b><br/>'+
Highcharts.dateFormat('%Y-%m-%d', this.x) +': '+ this.y;
}
},
series: [
<s:iterator id='aqtsMap' value='#request.quoteTrendsSeries' status='astat'>
{
<s:iterator id='bqtsKey' value='#aqtsMap.keySet()' status='bstat'>
<s:set name='cqtsList' value='#aqtsMap.get(#bqtsKey)'></s:set>
name: '${bqtsKey}',
data: [
<s:iterator id='dqts' value='#cqtsList' status='dstat'>
[Date.UTC(<s:date name='#dqts.time' format='yyyy'/>,Highcharts.numberFormat(<s:date name='#dqts.time' format='MM'></s:date>,0)-1,<s:date name='#dqts.time' format='dd'/>),<s:property value='#dqts.count'/>]<s:if test='!#dstat.last'>,</s:if>
</s:iterator>
]
</s:iterator>
}
<s:if test='!#astat.last'>,</s:if>
</s:iterator>
]
};
var chart = new Highcharts.Chart(options);
}catch(e){}
</script>
"}}