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Implement car dashboard using js

php中世界最好的语言Original: 2018-04-17 17:10:044372browse
This time I will bring you the use of js to implement a car dashboard, and what are the precautions for using js to implement a car dashboard. The following is a practical case, let's take a look.
<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
    <style>
        #test,#hehe{
            width: 100%;
            height: 500px;
        }
    </style>
</head>
<body>
<p id="test"></p>
<p id="hehe"></p>
</body>
<script src="js/jquery.min.js"></script>
<script src="js/echarts-all.js"></script>
<script>
    var myChart1;
    var option = {
        tooltip : {
            trigger: 'axis'
        },
        legend: {
            data:['最高','最低']
        },
        toolbox: {
            show : true,
            feature : {
                mark : {show: true},
                dataView : {readOnly:false},
                magicType : {show: true, type: ['line', 'bar', 'stack', 'tiled']},
                restore : {show: true},
                saveAsImage : {show: true}
            }
        },
        calculable : true,
        xAxis : [
            {
                type : 'category',
                boundaryGap : true,
                data : function (){
                    var list = [];
                    for (var i = 1; i <= 30; i++) {
                        list.push(&#39;2013-03-&#39; + i);
                    }
                    return list;
                }()
            }
        ],
        yAxis : [
            {
                type : &#39;value&#39;
            }
        ],
        series : [
            {
                name:&#39;最低&#39;,
                type:&#39;bar&#39;,
                data:function (){
                    var list = [];
                    for (var i = 1; i <= 5; i++) {
                        list.push(Math.round(Math.random()* 10));
                    }
                    return list;
                }()
            }
        ]
    };
    myChart=echarts.init(document.getElementById(&#39;test&#39;));
    myChart.setOption(option);
    var ecConfig = echarts.config;
    myChart1=echarts.init(document.getElementById(&#39;hehe&#39;));
    myChart.on(ecConfig.EVENT.HOVER, function(params){
        var data=params.value;
        var option1 = {
            tooltip : {
                formatter: "{a} <br/>{b} : {c}%"
            },
            toolbox: {
                show : true,
                feature : {
                    mark : {show: true},
                    restore : {show: true},
                    saveAsImage : {show: true}
                }
            },
            series : [
                {
                    name:'业务指标',
                    type:'gauge',
                    startAngle: 180,
                    endAngle: 0,
                    center : ['50%', '90%'],    // 默认全局居中
                    radius : 320,
                    axisLine: {            // 坐标轴线
                        lineStyle: {       // 属性lineStyle控制线条样式
                            width: 200
                        }
                    },
                    axisTick: {            // 坐标轴小标记
                        splitNumber: 10,   // 每份split细分多少段
                        length :12,        // 属性length控制线长
                    },
                    axisLabel: {           // 坐标轴文本标签，详见axis.axisLabel
                        formatter: function(v){
                            switch (v+''){
                                case '10': return '低';
                                case '50': return '中';
                                case '90': return '高';
                                default: return '';
                            }
                        },
                        textStyle: {       // 其余属性默认使用全局文本样式，详见TEXTSTYLE
                            color: '#fff',
                            fontSize: 15,
                            fontWeight: 'bolder'
                        }
                    },
                    pointer: {
                        width:50,
                        length: '90%',
                        color: 'rgba(255, 255, 255, 0.8)'
                    },
                    title : {
                        show : true,
                        offsetCenter: [0, '-60%'],       // x, y，单位px
                        textStyle: {       // 其余属性默认使用全局文本样式，详见TEXTSTYLE
                            color: '#fff',
                            fontSize: 30
                        }
                    },
                    detail : {
                        show : true,
                        backgroundColor: 'rgba(0,0,0,0)',
                        borderWidth: 0,
                        borderColor: '#ccc',
                        width: 100,
                        height: 40,
                        offsetCenter: [0, -40],       // x, y，单位px
                        formatter:'{value}%',
                        textStyle: {       // 其余属性默认使用全局文本样式，详见TEXTSTYLE
                            fontSize : 50
                        }
                    },
                    data:[{value: data*10, name: '完成率'}]
                }
            ]
        };
        option1.series[0].data[0].value = data;
        myChart1.setOption(option1,true);
    });
//    myChart.on(ecConfig.EVENT.DATA_ZOOM, eConsole);
//    myChart.on(ecConfig.EVENT.LEGEND_SELECTED, eConsole);
//    myChart.on(ecConfig.EVENT.MAGIC_TYPE_CHANGED, eConsole);
//    myChart.on(ecConfig.EVENT.DATA_VIEW_CHANGED, eConsole);
</script>
</html>
I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website!
Implement car dashboard using js

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