美国储蓄率、投资率和净出口echarts 折线配置项内容和展示

markarea属性无法显示

      //第七十三行的markarea属性和stock不兼容
option = {
    toolbox: {
        show: true,
        feature: {
            saveAsImage: {
                pixelRatio: 5
            }
        }
    },
    title: [{
        text: '美国储蓄率、投资率和净出口',
        left: 'center'
    }, ],
    tooltip: {
        trigger: 'axis',
        formatter: '{b}<br/>{a0}  : {c0}<br/>{a1}  :{c1}'
    },
    legend: {
        orient: 'vertical',
        left: 'left',
        data: ['Gross capital formation', 'Saving rate', 'Net export']
    },
    xAxis: {
        type: 'category',
        // axisTick: {
        //     alignWithLabel: true,
        //     interval: 0
        // },
        splitLine: {
            show: false
        },
        data: ["1990", "1991", "1992", "1993", "1994", "1995", "1996", "1997", "1998", "1999", "2000", "2001", "2002", "2003", "2004", "2005", "2006", "2007", "2008", "2009", "2010", "2011", "2012", "2013", "2014", "2015", "2016"]
    },
    grid: {
        left: '3%',
        right: '4%',
        top: '15%',
        bottom: '3%',
        containLabel: true
    },
    yAxis: [{
            type: 'value',
            scale: true,
            min: 12,
            splitLine: {
                show: false
            },
            axisLabel: {
                formatter: '{value}%'
                // name: 'y'
            },
        },
        {
            type: 'value',
            name: "千亿美元",
            splitLine: {
                show: false
            }
        }
    ],
    series: [{
            name: 'Saving rate',
            type: 'line',
            stack: '总量',
            smooth: true,
            data: [18.77, 18.84, 17.71, 17.06, 17.85, 18.73, 19.6, 20.79, 21.34, 20.91, 20.77, 19.63, 18.3, 17.47, 17.66, 18.04, 19.31, 17.51, 15.67, 14.57, 15.32, 15.95, 17.98, 18.54, 19.58, 19.44, 18.09],
        },
        {
            name: 'Gross capital formation',
            type: 'line',
            smooth: true,
            stack: '总量',
            areaStyle: {
                normal: {
                    opacity: 0.3
                }
            },
            lineStyle: {
                normal: {
                    type: 'dashed'
                }
            },
            data: [2.7, 1.22, 2.31, 3.28, 3.36, 2.47, 2.03, 1.57, 1.51, 2.41, 2.8, 2.43, 3.28, 4.19, 4.86, 5.18, 4.02, 4.84, 5.11, 2.94, 3.08, 2.59, 1.37, 1.22, 0.6, 0.99, 1.6],
        },

        {
            name: 'Net export',
            type: 'bar',
            markArea: {
                data: [
                    [{
                        name: '突出显示',
                        xAxis: "2000",
                    }, {
                        xAxis: "2010",
                    }]
                ]
            },
            itemStyle: {
                opacity: 0.3
            },
            yAxisIndex: 1,

            data: [-0.81, -0.31, -0.39, -0.7, -0.99, -0.96, -1.04, -1.08, -1.66, -2.59, -3.73, -3.62, -4.19, -4.94, -6.1, -7.14, -7.62, -7.05, -7.09, -3.84, -4.95, -5.49, -5.37, -4.62, -4.9, -5, -5.05],
        },

    ]
};