echarts柱状图带加载动画

时间 2021-08-15 标签 echarts 柱状图 dom javascript 动画
<body>
<div id="main" style="width: 600px;height:400px;"></div>
<script type="text/javascript">

    // 基于准备好的dom，初始化echarts实例  var myChart = echarts.init(document.getElementById('main'));

    function fetchData(cb) {
        // 通过 setTimeout 模拟异步加载  setTimeout(function () {
            cb({
                categories: ["衬衫","羊毛衫","雪纺衫","裤子","高跟鞋","袜子"],
                data: [5, 20, 36, 10, 10, 20]
            });
        }, 3000);
    }

    // 初始 option  option = {
        title: {
            text: '异步数据加载示例'  },
        tooltip: {},
        legend: {
            data:['销量']
        },
        xAxis: {
            data: []
        },
        yAxis: {},
        series: [{
            name: '销量',
            type: 'bar',
            data: []
        }]
    };

    myChart.showLoading();

    fetchData(function (data) {
        myChart.hideLoading();
        myChart.setOption({
            xAxis: {
                data: data.categories  },
            series: [{
                // 根据名字对应到相应的系列  name: '销量',
                data: data.data  }]
        });
    });
    myChart.setOption(option);

</script>
<script src="js/jquery-3.2.1.min.js"></script>
<script src="js/bootstrap.min.js"></script>
</body>