数值为0时如何判断控制不显示echarts 饼配置项内容和展示

数值为0时如何判断控制不显示

      option = {
    tooltip: {
        trigger: 'item',
        formatter: "{a} <br/>{b}: {c} ({d}%)"
    },
    legend: {
        orient: 'vertical',
        x: 'left',
        data: ['Others', 'PRH', 'Private tenants', 'Owner-occupiers']
    },
    series: [{
        name: '资金流出',
        type: 'pie',
        radius: ['75%', '85%'],
        itemStyle: {
            normal: {
                label: {
                    position: 'inner',
                    show: false
                },
                labelLine: {
                    show: false
                }
            }
        },
        data: [{
            value: '-',
            name: 'Others'
        }, {
            value: 71128,
            name: 'PRH'
        }, {
            value: 3870.2,
            name: 'Private tenants'
        }, {
            value: 27823.6,
            name: 'Owner-occupiers'
        }]
    }, {
        name: '资金流出',
        type: 'pie',
        radius: ['75%', '85%'],
        itemStyle: {
            normal: {
                label: {
                    position: 'outer',
                    formatter: '{b} {d}%',
                },
                labelLine: {
                    show: true
                }
            }
        },
        data: [{
            value: '-',
            name: 'Others'
        }, {
            value: 71128,
            name: 'PRH'
        }, {
            value: 3870.2,
            name: 'Private tenants'
        }, {
            value: 27823.6,
            name: 'Owner-occupiers'
        }]
    }]
};