echarts图表的加载动画 

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script src="echarts.min.js"></script>
    <script src="jquery.min.js"></script>
</head>

<body>
<div style="width: 600px;height:400px"></div>
<script>
    // var data =
    var mCharts = echarts.init(document.querySelector("div"))
    mCharts.showLoading() // 在获取数据之前, 显示加载动画
    $.get('json/test_data.json', function (ret) {
        mCharts.hideLoading() // 当服务器数据获取成功之后, 隐藏加载动画
        var axisData = []
        for (var i = 0; i < ret.length; i++) {
            var height = ret[i].height
            var weight = ret[i].weight
            var itemArr = [height, weight]
            axisData.push(itemArr)
        }
        console.log(axisData)
        var option = {
            animation:true,
            animationDuration:6000,
            xAxis: {
                type: 'value',
                scale: true
            },
            yAxis: {
                type: 'value',
                scale: true
            },
            series: [
                {
                    type: 'effectScatter',
                    data: axisData,
                    symbolSize: function (arg) {
                        // console.log(arg)
                        var weight = arg[1]
                        var height = arg[0] / 100
                        // BMI > 28 肥胖
                        // BMI: 体重/ 身高*身高     kg  m
                        var bmi = weight / (height * height)
                        if (bmi > 28) {
                            return 20
                        }
                        return 5
                    },
                    itemStyle: {
                        color: function (arg) {
                            console.log(arg)
                            var weight = arg.data[1]
                            var height = arg.data[0] / 100
                            var bmi = weight / (height * height)
                            if (bmi > 28) {
                                return 'red'
                            }
                            return 'green'
                        }
                    },
                    showEffectOn: 'emphasis',
                    rippleEffect: {
                        scale: 10
                    }
                }
            ]
        };
        mCharts.setOption(option)
    })



</script>
</body>
</html>

 

posted @ 2021-01-30 12:35  好吗，好  阅读(445)  评论(0)    收藏  举报