利用百度echarts做图表简单入门例子

百度有一款开源的图表控件,号称是大数据时代最好的图表控件。刚好目前的项目需要用图表展示给客户看数据,所以就选择这个三方的控件。对这种控件一般来说使用起来应该没有太大的难度,基本就是按照它的规则组装json数据,关键是配置上面, 如果刚开始入门,不太懂,可能真要花点时间来搞的。我整理了一个最基本的入门例子,里面有详细的注释,按这种方式去加载相关 js 就没有问题了:
程序代码 程序代码

<!DOCTYPE html>
<head>
    <meta charset="GBK">
    <title>ECharts</title>
</head>

<body>
    <!-- 为ECharts准备一个具备大小(宽高)的Dom -->
    <div id="main" style="height:400px"></div>
    <!-- 功能测试 -->
        
    <!-- ECharts单文件引入 -->
    <script src="./js/echarts.js"></script>
    <script type="text/javascript">
        // 路径配置
        require.config({
            paths: {
                echarts: './js'
            }
        });
        
        // 使用
        require(
            [
                'echarts',
                'echarts/chart/bar' // 使用柱状图就加载bar模块,按需加载
            ],
            function (ec) {
                // 基于准备好的dom,初始化echarts图表
                var myChart = ec.init(document.getElementById('main'));
                
                var option = {
                    tooltip : {
                        trigger: 'axis',
                        axisPointer : {            // 坐标轴指示器,坐标轴触发有效
                            type : 'shadow'        // 默认为直线,可选为:'line' | 'shadow'
                        }
                    },
                    legend: {
                        data:['直接访问', '邮件营销','联盟广告','视频广告','搜索引擎']
                    },
                    toolbox: {
                        show : false,
                        feature : {
                            mark : {show: true},
                            dataView : {show: true, readOnly: false},
                            magicType : {show: true, type: ['line', 'bar', 'stack', 'tiled']},
                            restore : {show: true},
                            saveAsImage : {show: true}
                        }
                    },
                    calculable : true,
                    xAxis : [
                        {
                            type : 'value'
                        }
                    ],
                    yAxis : [
                        {
                            type : 'category',
                            data : ['周一','周二','周三','周四','周五','周六','周日']
                        }
                    ],
                    series : [
                        {
                            name:'直接访问',
                            type:'bar',
                            stack: '总量',
                            itemStyle : { normal: {label : {show: true, position: 'insideRight'}}},
                            data:[320, 302, 301, 334, 390, 330, 320]
                        },
                        {
                            name:'邮件营销',
                            type:'bar',
                            stack: '总量',
                            itemStyle : { normal: {label : {show: true, position: 'insideRight'}}},
                            data:[120, 132, 101, 134, 90, 230, 210]
                        },
                        {
                            name:'联盟广告',
                            type:'bar',
                            stack: '总量',
                            itemStyle : { normal: {label : {show: true, position: 'insideRight'}}},
                            data:[220, 182, 191, 234, 290, 330, 310]
                        },
                        {
                            name:'视频广告',
                            type:'bar',
                            stack: '总量',
                            itemStyle : { normal: {label : {show: true, position: 'insideRight'}}},
                            data:[150, 212, 201, 154, 190, 330, 410]
                        },
                        {
                            name:'搜索引擎',
                            type:'bar',
                            stack: '总量',
                            itemStyle : { normal: {label : {show: true, position: 'insideRight'}}},
                            data:[820, 832, 901, 934, 1290, 1330, 1320]
                        }
                    ]
                };
                
                 // 为echarts对象加载数据
                myChart.setOption(option);
                
                // 根据窗口自动缩放
                window.onresize = myChart.resize;
                
                // 绑定事件测试
                var ecConfig = require('echarts/config');
                myChart.on(ecConfig.EVENT.CLICK, function(param){
                    // 需要的参数都可以从这里面获取.
                    alert(param);
                })
            }
        );
        
        
        
    </script>
</body>




整个例子代码下载,包含了百度 echarts包.

下载文件 百度echarts 简单入门例子下载


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