Highcharts使用简例及异步动态读取数据

<script src="html/js/jquery.js"></script><script src="html/js/chart/highcharts.js"></script> 

//定义一个Highcharts的变量，初始值为nullvar oChart = null;//定义oChart的布局环境//布局环境组成：X轴、Y轴、数据显示、图标标题var oOptions = {  //设置图表关联显示块和图形样式 chart: {   renderTo: 'container', //设置显示的页面块  //type:'line'    //设置显示的方式  type: 'column' }, //图标标题 title: {   text: '图表展示范例', //设置标题  //text: null, //设置null则不显示标题 }, //x轴 xAxis: {  title: {   text: 'X 轴 标 题'  },  categories: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']  }, //y轴 yAxis: {  title: { text: 'Y 轴 标 题' }, //设置Y轴标题关闭 }, //数据列 series: [{  data:[120,360,560,60,360,160,40,360,60,230,230,300]  }] }; $(document).ready(function(){ oChart = new Highcharts.Chart(oOptions); //异步添加第2条数据列 LoadSerie_Ajax();}); //异步读取数据并加载到图表function LoadSerie_Ajax() {   oChart.showLoading();   $.ajax({    url : 'ajax/get_value.aspx',   type : 'POST',   dataType : 'json',   async : false, //同步处理后面才能处理新添加的series   contentType: "application/x-www-form-urlencoded; charset=utf-8",    success : function(rntData){     var oSeries = {     name: "第二条",     data: rntData.rows1    };    oChart.addSeries(oSeries);   }  });  oChart.hideLoading(); } 

Response.Clear();Response.Write("{/"rows1/":[10,20,30,40,50,200,70,100,90,200,100,60]}");Response.End();  输出的数据格式为 {"rows1":[10,20,30,40,50,200,70,100,90,200,100,60]}  多条的数据格式为 {"rows1":[10,20,30,40,50,200,70,100,90,200,100,60],"rows2":[10,20,30,40,50,200,70,100,90,200,100,60]} 

<div id="container" style="min-width:400px;width:1200px;height:400px;"></div>

$(function () {   var chart_validatestatics;   $(document).ready(function () {    var options_validatestatics = {     chart: {      renderTo: 'container_validatestatics',      type: 'column'     },     title: {      text: '验票分析'     },     subtitle: {      text: 'tourol.cn'     },     xAxis: {    },    yAxis: {     title: {      text: '人数'     }    },    plotOptions: {     bar: {      dataLabels: {       enabled: true      }     }    },    tooltip: {     formatter: function () {      return '<b>' + this.x + '</b><br/>' + this.series.name + ': ' + this.y + '人';     }    },    credits: {     enabled: false    },    series: [{     name: "验票用户",     width: 3    }]   }   $.get("/ajaxhandler/dataupdate.ashx?operate_type=validatestatics", function (data) {    var xatrnames = [];    var yvalidators = [];    for (var i = 0; i < data.rows.length; i++) {     xatrnames.push([       data.rows[i].atrname      ]);     yvalidators.push([       data.rows[i].atrname,       parseInt(data.rows[i].nums)      ]);    }    alert(xatrnames + yvalidators);    options_validatestatics.xAxis.categories = xatrnames    options_validatestatics.series[0].data = yvalidators;    chart_validatestatics = new Highcharts.Chart(options_validatestatics);   });  }); }); 

string json = "{/"rows/":[";  for (int i = 0; i < datas.Rows.Count; i++)  {   json += "{/"atrname/":/"" + datas.Rows[i]["name"] + "/",/"nums/":/"" + datas.Rows[i]["nums"] + "/"},";  }  json = json.TrimEnd(',');  json += "]}";  context.Response.Write(json);  context.Response.Flush();  context.Response.End();