Canvas插件ECharts的使用

引入

HTML

<div class="row">
     <div class="col-md-12">
         <div class="box box-solid">
             <div class="box-body text-center"  style="width: 100%;">
                 当前在线人数
                 "font-weight: bold;font-size: x-large"><{$currData|default:'0'}>
            div>
         div>
    div>
div>
<div class="row">
    <div class="col-md-12">
        <div class="box box-solid">
            <div class="box-body text-center" id="line_user_num" style="width: 100%;height:400px;">div>
        div>
    div>
div>

Javascript

// 初始化
var myChart = echarts.init(document.getElementById('line_user_num'));
//Canvas所需数据
var xArray = <{$statsData.time}>;
var yArray = <{$statsData.num}>;

var lineUserNumOption = {
        title: {
            text: '在线人数统计',
            subtext: '',
        },
        tooltip: {
            trigger: 'axis'
        },
        legend: {
            data:['在线人数统计']
        },
        grid: {
            left: '3%',
            right: '4%',
            bottom: '3%',
            containLabel: true
        },
        toolbox: {
            feature: {
                saveAsImage: {}
            }
        },
        xAxis: {
            type: 'category',
            boundaryGap: false,
            data: xArray
        },
        yAxis: {
            type: 'value'
        },
        series: [
            {
                name:'在线用户数量',
                type:'line',
                smooth:true,
                stack: '成员数量',
                data:yArray,
                itemStyle: {
                    normal: {
                        color: '#91c7ae'
                    }
                }
            }
        ]
    };
    myChart.setOption(lineUserNumOption);

页面效果

lineUserNumOption的具体内容从官网示例获取，然后传入示例需要的数据格式即可，地址

http://echarts.baidu.com/examples.html