本篇来学习散点图的实现
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//1. ECharts最基本的代码结构
//2. x轴和y轴数据 二维数组 [ [身高,体重],... ]
//3. 将type的值设置为scatter, x轴和y轴的type都是value
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177.8, "weight": 75.5 }, { "gender": "male", "height": 180.3, "weight": 93.2 }, { "gender": "male", "height": 180.3, "weight": 82.7 }, { "gender": "male", "height": 177.8, "weight": 58 }, { "gender": "male", "height": 177.8, "weight": 79.5 }, { "gender": "male", "height": 177.8, "weight": 78.6 }, { "gender": "male", "height": 177.8, "weight": 71.8 }, { "gender": "male", "height": 177.8, "weight": 116.4 }, { "gender": "male", "height": 163.8, "weight": 72.2 }, { "gender": "male", "height": 188, "weight": 83.6 }, { "gender": "male", "height": 198.1, "weight": 85.5 }, { "gender": "male", "height": 175.3, "weight": 90.9 }, { "gender": "male", "height": 166.4, "weight": 85.9 }, { "gender": "male", "height": 190.5, "weight": 89.1 }, { "gender": "male", "height": 166.4, "weight": 75 }, { "gender": "male", "height": 177.8, "weight": 77.7 }, { "gender": "male", "height": 179.7, "weight": 86.4 }, { "gender": "male", "height": 172.7, "weight": 90.9 }, { "gender": "male", "height": 190.5, "weight": 73.6 }, { "gender": "male", "height": 185.4, "weight": 76.4 }, { "gender": "male", "height": 168.9, "weight": 69.1 }, { "gender": "male", "height": 167.6, "weight": 84.5 }, { "gender": "male", "height": 175.3, "weight": 64.5 }, { "gender": "male", "height": 170.2, "weight": 69.1 }, { "gender": "male", "height": 190.5, "weight": 108.6 }, { "gender": "male", "height": 177.8, "weight": 86.4 }, { "gender": "male", "height": 190.5, "weight": 80.9 }, { "gender": "male", "height": 177.8, "weight": 87.7 }, { "gender": "male", "height": 184.2, "weight": 94.5 }, { "gender": "male", "height": 176.5, "weight": 80.2 }, { "gender": "male", "height": 177.8, "weight": 72 }, { "gender": "male", "height": 180.3, "weight": 71.4 }, { "gender": "male", "height": 171.4, "weight": 72.7 }, { "gender": "male", "height": 172.7, "weight": 84.1 }, { "gender": "male", "height": 172.7, "weight": 76.8 }, { "gender": "male", "height": 177.8, "weight": 63.6 }, { "gender": "male", "height": 177.8, "weight": 80.9 }, { "gender": "male", "height": 182.9, "weight": 80.9 }, { "gender": "male", "height": 170.2, "weight": 85.5 }, { "gender": "male", "height": 167.6, "weight": 68.6 }, { "gender": "male", "height": 175.3, "weight": 67.7 }, { "gender": "male", "height": 165.1, "weight": 66.4 }, { "gender": "male", "height": 185.4, "weight": 102.3 }, { "gender": "male", "height": 181.6, "weight": 70.5 }, { "gender": "male", "height": 172.7, "weight": 95.9 }, { "gender": "male", "height": 190.5, "weight": 84.1 }, { "gender": "male", "height": 179.1, "weight": 87.3 }, { "gender": "male", "height": 175.3, "weight": 71.8 }, { "gender": "male", "height": 170.2, "weight": 65.9 }, { "gender": "male", "height": 193, "weight": 95.9 }, { "gender": "male", "height": 171.4, "weight": 91.4 }, { "gender": "male", "height": 177.8, "weight": 81.8 }, { "gender": "male", "height": 177.8, "weight": 96.8 }, { "gender": "male", "height": 167.6, "weight": 69.1 }, { "gender": "male", "height": 167.6, "weight": 82.7 }, { "gender": "male", "height": 180.3, "weight": 75.5 }, { "gender": "male", "height": 182.9, "weight": 79.5 }, { "gender": "male", "height": 176.5, "weight": 73.6 }, { "gender": "male", "height": 186.7, "weight": 91.8 }, { "gender": "male", "height": 188, "weight": 84.1 }, { "gender": "male", "height": 188, "weight": 85.9 }, { "gender": "male", "height": 177.8, "weight": 81.8 }, { "gender": "male", "height": 174, "weight": 82.5 }, { "gender": "male", "height": 177.8, "weight": 80.5 }, { "gender": "male", "height": 171.4, "weight": 70 }, { "gender": "male", "height": 185.4, "weight": 81.8 }, { "gender": "male", "height": 185.4, "weight": 84.1 }, { "gender": "male", "height": 188, "weight": 90.5 }, { "gender": "male", "height": 188, "weight": 91.4 }, { "gender": "male", "height": 182.9, "weight": 89.1 }, { "gender": "male", "height": 176.5, "weight": 85 }, { "gender": "male", "height": 175.3, "weight": 69.1 }, { "gender": "male", "height": 175.3, "weight": 73.6 }, { "gender": "male", "height": 188, "weight": 80.5 }, { "gender": "male", "height": 188, "weight": 82.7 }, { "gender": "male", "height": 175.3, "weight": 86.4 }, { "gender": "male", "height": 170.5, "weight": 67.7 }, { "gender": "male", "height": 179.1, "weight": 92.7 }, { "gender": "male", "height": 177.8, "weight": 93.6 }, { "gender": "male", "height": 175.3, "weight": 70.9 }, { "gender": "male", "height": 182.9, "weight": 75 }, { "gender": "male", "height": 170.8, "weight": 93.2 }, { "gender": "male", "height": 188, "weight": 93.2 }, { "gender": "male", "height": 180.3, "weight": 77.7 }, { "gender": "male", "height": 177.8, "weight": 61.4 }, { "gender": "male", "height": 185.4, "weight": 94.1 }, { "gender": "male", "height": 168.9, "weight": 75 }, { "gender": "male", "height": 185.4, "weight": 83.6 }, { "gender": "male", "height": 180.3, "weight": 85.5 }, { "gender": "male", "height": 174, "weight": 73.9 }, { "gender": "male", "height": 167.6, "weight": 66.8 }, { "gender": "male", "height": 182.9, "weight": 87.3 }, { "gender": "male", "height": 160, "weight": 72.3 }, { "gender": "male", "height": 180.3, "weight": 88.6 }, { "gender": "male", "height": 167.6, "weight": 75.5 }, { "gender": "male", "height": 186.7, "weight": 101.4 }, { "gender": "male", "height": 175.3, "weight": 91.1 }, { "gender": "male", "height": 175.3, "weight": 67.3 }, { "gender": "male", "height": 175.9, "weight": 77.7 }, { "gender": "male", "height": 175.3, "weight": 81.8 }, { "gender": "male", "height": 179.1, "weight": 75.5 }, { "gender": "male", "height": 181.6, "weight": 84.5 }, { "gender": "male", "height": 177.8, "weight": 76.6 }, { "gender": "male", "height": 182.9, "weight": 85 }, { "gender": "male", "height": 177.8, "weight": 102.5 }, { "gender": "male", "height": 184.2, "weight": 77.3 }, { "gender": "male", "height": 179.1, "weight": 71.8 }, { "gender": "male", "height": 176.5, "weight": 87.9 }, { "gender": "male", "height": 188, "weight": 94.3 }, { "gender": "male", "height": 174, "weight": 70.9 }, { "gender": "male", "height": 167.6, "weight": 64.5 }, { "gender": "male", "height": 170.2, "weight": 77.3 }, { "gender": "male", "height": 167.6, "weight": 72.3 }, { "gender": "male", "height": 188, "weight": 87.3 }, { "gender": "male", "height": 174, "weight": 80 }, { "gender": "male", "height": 176.5, "weight": 82.3 }, { "gender": "male", "height": 180.3, "weight": 73.6 }, { "gender": "male", "height": 167.6, "weight": 74.1 }, { "gender": "male", "height": 188, "weight": 85.9 }, { "gender": "male", "height": 180.3, "weight": 73.2 }, { "gender": "male", "height": 167.6, "weight": 76.3 }, { "gender": "male", "height": 183, "weight": 65.9 }, { "gender": "male", "height": 183, "weight": 90.9 }, { "gender": "male", "height": 179.1, "weight": 89.1 }, { "gender": "male", "height": 170.2, "weight": 62.3 }, { "gender": "male", "height": 177.8, "weight": 82.7 }, { "gender": "male", "height": 179.1, "weight": 79.1 }, { "gender": "male", "height": 190.5, "weight": 98.2 }, { "gender": "male", "height": 177.8, "weight": 84.1 }, { "gender": "male", "height": 180.3, "weight": 83.2 }, { "gender": "male", "height": 180.3, "weight": 83.2 }]
var axisData = []
for( var i=0;i<data.length;i++) {
var height = data[i].height
var weight = data[i].weight
var newArr = [height, weight]
axisData.push(newArr)
}
console.log(axisData)
var mCharts = echarts.init(document.querySelector("div"))
var option = {
xAxis: {
type: 'value',
scale: true
},
yAxis: {
type: 'value',
scale: true
},
series: [
{
type: 'scatter', // 指明图表的类型为散点图
data: axisData
}
]
}
mCharts.setOption(option)
</script>
</body>
</html>效果
var option = {
series: [
{
type: 'scatter',
data: axisData,
symbolSize: 25,
itemStyle: {
color: 'green',
}
}
]
}
type:effectScatter：能够产生涟漪动画的效果
rippleEffect ：可以配置涟漪动画的大小
showEffectOn：以控制涟漪动画在什么时候产生, 它的可选值有两个: render 和 emphasis
var option = {
series: [
{
type: 'effectScatter', // 产生涟漪动画的效果
showEffectOn: 'emphasis', // 鼠标移过某个散点的时候, 该散点开始涟漪动；可选其他值 rende
rippleEffect:{
scale:3 // 涟漪动画的大小
}
}
]
}
<!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>
<!-- cdn方式 引入echarts.js文件 -->
<script src="https://cdn.jsdelivr.net/npm/echarts@5.4.1/dist/echarts.min.js"></script>
</head>
<body>
<div style="width: 600px;height:400px"></div>
<script>
//1. ECharts最基本的代码结构
//2. x轴和y轴数据 二维数组 [ [身高,体重],... ]
//3. 将type的值设置为scatter, x轴和y轴的type都是value
var data = [{"gender": "female", "height": 161.2, "weight": 51.6}, {
"gender": "female",
"height": 167.5,
"weight": 59
}, {"gender": "female", "height": 159.5, "weight": 49.2}, {
"gender": "female",
"height": 157,
"weight": 63
}, {"gender": "female", "height": 155.8, "weight": 53.6}, {
"gender": "female",
"height": 170,
"weight": 59
}, {"gender": "female", "height": 159.1, "weight": 47.6}, {
"gender": "female",
"height": 166,
"weight": 69.8
}, {"gender": "female", "height": 176.2, "weight": 66.8}, {
"gender": "female",
"height": 160.2,
"weight": 75.2
}, {"gender": "female", "height": 172.5, "weight": 55.2}, {
"gender": "female",
"height": 170.9,
"weight": 54.2
}, {"gender": "female", "height": 172.9, "weight": 62.5}, {
"gender": "female",
"height": 153.4,
"weight": 42
}, {"gender": "female", "height": 160, "weight": 50}, {
"gender": "female",
"height": 147.2,
"weight": 49.8
}, {"gender": "female", "height": 168.2, "weight": 49.2}, {
"gender": "female",
"height": 175,
"weight": 73.2
}, {"gender": "female", "height": 157, "weight": 47.8}, {
"gender": "female",
"height": 167.6,
"weight": 68.8
}, {"gender": "female", "height": 159.5, "weight": 50.6}, {
"gender": "female",
"height": 175,
"weight": 82.5
}, {"gender": "female", "height": 166.8, "weight": 57.2}, {
"gender": "female",
"height": 176.5,
"weight": 87.8
}, {"gender": "female", "height": 170.2, "weight": 72.8}, {
"gender": "female",
"height": 174,
"weight": 54.5
}, {"gender": "female", "height": 173, "weight": 59.8}, {
"gender": "female",
"height": 179.9,
"weight": 67.3
}, {"gender": "female", "height": 170.5, "weight": 67.8}, {
"gender": "female",
"height": 160,
"weight": 47
}, {"gender": "female", "height": 154.4, "weight": 46.2}, {
"gender": "female",
"height": 162,
"weight": 55
}, {"gender": "female", "height": 176.5, "weight": 83}, {
"gender": "female",
"height": 160,
"weight": 54.4
}, {"gender": "female", "height": 152, "weight": 45.8}, {
"gender": "female",
"height": 162.1,
"weight": 53.6
}, {"gender": "female", "height": 170, "weight": 73.2}, {
"gender": "female",
"height": 160.2,
"weight": 52.1
}, {"gender": "female", "height": 161.3, "weight": 67.9}, {
"gender": "female",
"height": 166.4,
"weight": 56.6
}, {"gender": "female", "height": 168.9, "weight": 62.3}, {
"gender": "female",
"height": 163.8,
"weight": 58.5
}, {"gender": "female", "height": 167.6, "weight": 54.5}, {
"gender": "female",
"height": 160,
"weight": 50.2
}, {"gender": "female", "height": 161.3, "weight": 60.3}, {
"gender": "female",
"height": 167.6,
"weight": 58.3
}, {"gender": "female", "height": 165.1, "weight": 56.2}, {
"gender": "female",
"height": 160,
"weight": 50.2
}, {"gender": "female", "height": 170, "weight": 72.9}, {
"gender": "female",
"height": 157.5,
"weight": 59.8
}, {"gender": "female", "height": 167.6, "weight": 61}, {
"gender": "female",
"height": 160.7,
"weight": 69.1
}, {"gender": "female", "height": 163.2, "weight": 55.9}, {
"gender": "female",
"height": 152.4,
"weight": 46.5
}, {"gender": "female", "height": 157.5, "weight": 54.3}, {
"gender": "female",
"height": 168.3,
"weight": 54.8
}, {"gender": "female", "height": 180.3, "weight": 60.7}, {
"gender": "female",
"height": 165.5,
"weight": 60
}, {"gender": "female", "height": 165, "weight": 62}, {
"gender": "female",
"height": 164.5,
"weight": 60.3
}, {"gender": "female", "height": 156, "weight": 52.7}, {
"gender": "female",
"height": 160,
"weight": 74.3
}, {"gender": "female", "height": 163, "weight": 62}, {
"gender": "female",
"height": 165.7,
"weight": 73.1
}, {"gender": "female", "height": 161, "weight": 80}, {
"gender": "female",
"height": 162,
"weight": 54.7
}, {"gender": "female", "height": 166, "weight": 53.2}, {
"gender": "female",
"height": 174,
"weight": 75.7
}, {"gender": "female", "height": 172.7, "weight": 61.1}, {
"gender": "female",
"height": 167.6,
"weight": 55.7
}, {"gender": "female", "height": 151.1, "weight": 48.7}, {
"gender": "female",
"height": 164.5,
"weight": 52.3
}, {"gender": "female", "height": 163.5, "weight": 50}, {
"gender": "female",
"height": 152,
"weight": 59.3
}, {"gender": "female", "height": 169, "weight": 62.5}, {
"gender": "female",
"height": 164,
"weight": 55.7
}, {"gender": "female", "height": 161.2, "weight": 54.8}, {
"gender": "female",
"height": 155,
"weight": 45.9
}, {"gender": "female", "height": 170, "weight": 70.6}, {
"gender": "female",
"height": 176.2,
"weight": 67.2
}, {"gender": "female", "height": 170, "weight": 69.4}, {
"gender": "female",
"height": 162.5,
"weight": 58.2
}, {"gender": "female", "height": 170.3, "weight": 64.8}, {
"gender": "female",
"height": 164.1,
"weight": 71.6
}, {"gender": "female", "height": 169.5, "weight": 52.8}, {
"gender": "female",
"height": 163.2,
"weight": 59.8
}, {"gender": "female", "height": 154.5, "weight": 49}, {
"gender": "female",
"height": 159.8,
"weight": 50
}, {"gender": "female", "height": 173.2, "weight": 69.2}, {
"gender": "female",
"height": 170,
"weight": 55.9
}, {"gender": "female", "height": 161.4, "weight": 63.4}, {
"gender": "female",
"height": 169,
"weight": 58.2
}, {"gender": "female", "height": 166.2, "weight": 58.6}, {
"gender": "female",
"height": 159.4,
"weight": 45.7
}, {"gender": "female", "height": 162.5, "weight": 52.2}, {
"gender": "female",
"height": 159,
"weight": 48.6
}, {"gender": "female", "height": 162.8, "weight": 57.8}, {
"gender": "female",
"height": 159,
"weight": 55.6
}, {"gender": "female", "height": 179.8, "weight": 66.8}, {
"gender": "female",
"height": 162.9,
"weight": 59.4
}, {"gender": "female", "height": 161, "weight": 53.6}, {
"gender": "female",
"height": 151.1,
"weight": 73.2
}, {"gender": "female", "height": 168.2, "weight": 53.4}, {
"gender": "female",
"height": 168.9,
"weight": 69
}, {"gender": "female", "height": 173.2, "weight": 58.4}, {
"gender": "female",
"height": 171.8,
"weight": 56.2
}, {"gender": "female", "height": 178, "weight": 70.6}, {
"gender": "female",
"height": 164.3,
"weight": 59.8
}, {"gender": "female", "height": 163, "weight": 72}, {
"gender": "female",
"height": 168.5,
"weight": 65.2
}, {"gender": "female", "height": 166.8, "weight": 56.6}, {
"gender": "female",
"height": 172.7,
"weight": 105.2
}, {"gender": "female", "height": 163.5, "weight": 51.8}, {
"gender": "female",
"height": 169.4,
"weight": 63.4
}, {"gender": "female", "height": 167.8, "weight": 59}, {
"gender": "female",
"height": 159.5,
"weight": 47.6
}, {"gender": "female", "height": 167.6, "weight": 63}, {
"gender": "female",
"height": 161.2,
"weight": 55.2
}, {"gender": "female", "height": 160, "weight": 45}, {
"gender": "female",
"height": 163.2,
"weight": 54
}, {"gender": "female", "height": 162.2, "weight": 50.2}, {
"gender": "female",
"height": 161.3,
"weight": 60.2
}, {"gender": "female", "height": 149.5, "weight": 44.8}, {
"gender": "female",
"height": 157.5,
"weight": 58.8
}, {"gender": "female", "height": 163.2, "weight": 56.4}, {
"gender": "female",
"height": 172.7,
"weight": 62
}, {"gender": "female", "height": 155, "weight": 49.2}, {
"gender": "female",
"height": 156.5,
"weight": 67.2
}, {"gender": "female", "height": 164, "weight": 53.8}, {
"gender": "female",
"height": 160.9,
"weight": 54.4
}, {"gender": "female", "height": 162.8, "weight": 58}, {
"gender": "female",
"height": 167,
"weight": 59.8
}, {"gender": "female", "height": 160, "weight": 54.8}, {
"gender": "female",
"height": 160,
"weight": 43.2
}, {"gender": "female", "height": 168.9, "weight": 60.5}, {
"gender": "female",
"height": 158.2,
"weight": 46.4
}, {"gender": "female", "height": 156, "weight": 64.4}, {
"gender": "female",
"height": 160,
"weight": 48.8
}, {"gender": "female", "height": 167.1, "weight": 62.2}, {
"gender": "female",
"height": 158,
"weight": 55.5
}, {"gender": "female", "height": 167.6, "weight": 57.8}, {
"gender": "female",
"height": 156,
"weight": 54.6
}, {"gender": "female", "height": 162.1, "weight": 59.2}, {
"gender": "female",
"height": 173.4,
"weight": 52.7
}, {"gender": "female", "height": 159.8, "weight": 53.2}, {
"gender": "female",
"height": 170.5,
"weight": 64.5
}, {"gender": "female", "height": 159.2, "weight": 51.8}, {
"gender": "female",
"height": 157.5,
"weight": 56
}, {"gender": "female", "height": 161.3, "weight": 63.6}, {
"gender": "female",
"height": 162.6,
"weight": 63.2
}, {"gender": "female", "height": 160, "weight": 59.5}, {
"gender": "female",
"height": 168.9,
"weight": 56.8
}, {"gender": "female", "height": 165.1, "weight": 64.1}, {
"gender": "female",
"height": 162.6,
"weight": 50
}, {"gender": "female", "height": 165.1, "weight": 72.3}, {
"gender": "female",
"height": 166.4,
"weight": 55
}, {"gender": "female", "height": 160, "weight": 55.9}, {
"gender": "female",
"height": 152.4,
"weight": 60.4
}, {"gender": "female", "height": 170.2, "weight": 69.1}, {
"gender": "female",
"height": 162.6,
"weight": 84.5
}, {"gender": "female", "height": 170.2, "weight": 55.9}, {
"gender": "female",
"height": 158.8,
"weight": 55.5
}, {"gender": "female", "height": 172.7, "weight": 69.5}, {
"gender": "female",
"height": 167.6,
"weight": 76.4
}, {"gender": "female", "height": 162.6, "weight": 61.4}, {
"gender": "female",
"height": 167.6,
"weight": 65.9
}, {"gender": "female", "height": 156.2, "weight": 58.6}, {
"gender": "female",
"height": 175.2,
"weight": 66.8
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}
console.log(axisData)
var mCharts = echarts.init(document.querySelector("div"))
var option = {
// 4. 调整配置项, 脱离0值比例
xAxis: {
type: 'value',
scale: true
},
yAxis: {
type: 'value',
scale: true
},
series: [
{
// type: 'scatter', // 指明图表的类型为散点图
type: 'effectScatter', // 涟漪动画的效果
data: axisData,
// symbolSize: 15, // 控制散点大小
// itemStyle: { // 散点颜色
// color: 'green'
// }
showEffectOn: 'emphasis', // 鼠标移过某个散点的时候, 该散点开始涟漪动；可选其他值 render
rippleEffect: {
scale: 3
},
symbolSize: function (arg) {
var weight = arg[1]
var height = arg[0] / 100
// BMI > 28 则代表肥胖, 肥胖的人用大的散点标识, 正常的人用小散点标识
// 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) {
var weight = arg.data[1]
var height = arg.data[0] / 100
var bmi = weight / (height * height)
if (bmi > 28) {
return 'red'
}
return 'green'
}
}
}
]
}
mCharts.setOption(option)
</script>
</body>
</html>
