一周天气echarts 柱状配置项内容和展示

      option = {
    title: {
        text: '一周天气'
    },
    xAxis: {
        data: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat']
    },
    yAxis: {},
    series: [{
        type: 'bar',
        data:[20, 18, 19, 23, 29, 33, 31]
    }]
};