Echarts在线免费图表

 
            option = {
    title: {
        text: '发表文献分布'
    },
    xAxis: {
        data: ['2007', '2008', '2009', '2010', '2011', '2012', '2013','2014','2015','2016','2017','2018']
    },
    yAxis: {},
    series: [{
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        data:[7, 18, 79, 15, 14, 10, 11,12,9,2,6,6,]
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