echarts多个数据添加多个纵坐标

在我们echarts开发中,肯定会遇到一个问题。
那就是当有多个数据且数据大小差距太大时,就会出现有些数据小到看不到的情况。
所以在遇到这种情况时,我通常的解决办法就是给他多加一个坐标轴。

option = {
        title: {
            text: '团队项目统计',
            // subtext: '数据来自网络'
        },
        tooltip: {
            trigger: 'axis',
            axisPointer: {
                type: 'shadow',
            },
        },
        toolbox: {
            feature: {
                dataView: {
                    show: false,
                    readOnly: false,
                },
                restore: {
                    show: false,
                },
                saveAsImage: {
                    show: false,
                },
            },
        },
        legend: {
            data: ['项目总数', '经费总数', '人均经费'],
        },
        grid: {
            left: '3%',
            right: '4%',
            bottom: '3%',
            containLabel: true,
        },
        xAxis: {
            type: 'category',
            axisTick: {
                alignWithLabel: false,
            },
            data: _self.yData,
        },
        // 关键性代码
        yAxis: [
            {
                type: 'value',
                name: '经费总数',
                min: 0,
                max: 25000000,
                position: 'left',
                axisLabel: {
                    formatter: '{value}', // 61A0A8
                },
                axisLine: {
                    lineStyle: {
                        color: '#61A0A8',
                    },
                },
            },
            {
                type: 'value',
                name: '人均经费',
                min: 0,
                max: 6500000,
                position: 'right',
                axisLabel: {
                    formatter: '{value}',
                },
                axisLine: {
                    lineStyle: {
                        color: '#334B5C',
                    },
                },
            },
            {
                type: 'value',
                name: '项目总数',
                min: 0,
                max: 200,
                offset: 80, // 偏移
                position: 'right',
                axisLabel: {
                    formatter: '{value}',
                },
                axisLine: {
                    lineStyle: {
                        color: '#C23531',
                    },
                },
            },
        ],
        series: [
            {
                name: '项目总数',
                type: 'bar',
                data: _self.optionData1,
                yAxisIndex: 2, // 相对应的坐标轴
            },
            {
                name: '人均经费',
                type: 'bar',
                data: _self.optionData3,
                yAxisIndex: 1, // 相对应的坐标轴
            },
            {
                name: '经费总数',
                type: 'bar',
                data: _self.optionData2,
                yAxisIndex: 0, // 相对应的坐标轴
            },
        ],
    }

这样就可以添加多个坐标轴,不用担心出现数据显示不出来的问题了。

最后的效果如下:

 

posted on 2020-04-20 13:17  ranyonsue  阅读(4308)  评论(0编辑  收藏  举报

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