JavaScript—数据可视化(ECharts)_简单_前端开发者

Echarts具有丰富的图表,可以说是数据可视化的神器;

1.下载Echarts

官网下载地址:https://echarts.baidu.com/index.html

https://echarts.baidu.com/index.htmlhttps://echarts.baidu.com/index.html

2.Echarts引用案例—柱状图

<head>
    <script src="C:\Users\bt.cn\Desktop\echarts.min.js"></script>
</head>
<body>
    <div id="main" style="width: 600px;height:400px;"></div>
    <script type="text/javascript">
        // 基于准备好的dom,初始化echarts实例
        var myChart = echarts.init(document.getElementById('main'));

        // 指定图表的配置项和数据
        var option = {
            title: {
                text: 'ECharts 示例',
                subtext: '百果园水果销量'
            },
            tooltip: {trigger: 'axis'},
            legend: {
                data:['一月销量','二月销量']
            },
            toolbox: {
                show : true,
                feature : {
                    dataView : {show: true, readOnly: false},
                    magicType : {show: true, type: ['line', 'bar']},
                    restore : {show: true},
                    saveAsImage : {show: true}
                }
            },
            calculable : true,
            xAxis:{
                type:'category',
                data: ["苹果","橘子","火龙果","车厘子","榴莲","百香果"]
            },
            yAxis:{type : 'value'},
            series: [
                {
                    name: '一月销量',
                    type: 'bar',
                    data: [5, 20, 36, 10, 10, 20],
                    color:'#CC0066'
                },
                {
                    name: '二月销量',
                    type: 'bar',
                    data: [6, 15, 36, 15, 20, 15],
                    color:'#009999',
                    itemStyle: {
                        normal: {
                            label: {
                                show: true,      //开启显示
                                position: 'top', //在上方显示
                                textStyle: {     //数值样式
                                    color: 'black',
                                    fontSize: 16
                                }
                            }
                        }
                    },
                }
            ]
        };

        // 使用刚指定的配置项和数据显示图表。
        myChart.setOption(option);
    </script>
</body>
<head>
    <script src="C:\Users\bt.cn\Desktop\echarts.min.js"></script>
</head>
<body>
    <div id="main" style="width: 600px;height:400px;"></div>
    <script type="text/javascript">
        // 基于准备好的dom,初始化echarts实例
        var myChart = echarts.init(document.getElementById('main'));

        // 指定图表的配置项和数据
        var option = {
            title: {
                text: 'ECharts 示例',
                subtext: '百果园水果销量'
            },
            tooltip: {trigger: 'axis'},
            legend: {
                data:['一月销量','二月销量']
            },
            toolbox: {
                show : true,
                feature : {
                    dataView : {show: true, readOnly: false},
                    magicType : {show: true, type: ['line', 'bar']},
                    restore : {show: true},
                    saveAsImage : {show: true}
                }
            },
            calculable : true,
            xAxis:{
                type:'category',
                data: ["苹果","橘子","火龙果","车厘子","榴莲","百香果"]
            },
            yAxis:{type : 'value'},
            series: [
                {
                    name: '一月销量',
                    type: 'bar',
                    data: [5, 20, 36, 10, 10, 20],
                    color:'#CC0066'
                },
                {
                    name: '二月销量',
                    type: 'bar',
                    data: [6, 15, 36, 15, 20, 15],
                    color:'#009999',
                    itemStyle: {
                        normal: {
                            label: {
                                show: true,      //开启显示
                                position: 'top', //在上方显示
                                textStyle: {     //数值样式
                                    color: 'black',
                                    fontSize: 16
                                }
                            }
                        }
                    },
                }
            ]
        };

        // 使用刚指定的配置项和数据显示图表。
        myChart.setOption(option);
    </script>
</body>

https://www.cnblogs.com/OliverQin/p/11077590.html

https://www.cnblogs.com/OliverQin/p/11077590.html

https://blog.csdn.net/qq_40162735/article/details/81977068

https://blog.csdn.net/qq_40162735/article/details/81977068

https://www.echartsjs.com/zh/tutorial.html#5%20%E5%88%86%E9%92%9F%E4%B8%8A%E6%89%8B%20ECharts

https://www.echartsjs.com/zh/tutorial.html#5%20%E5%88%86%E9%92%9F%E4%B8%8A%E6%89%8B%20ECharts

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