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>
"}}