24.Echars 数据的图表展示
作者：互联网
1,script 加一个echarts的执行目录
2,mychart的初始化,注意div中的id名
3,拷贝的样式模板的各项参数可以参照echarts教程添加修改.
4,有一个散点图无法正确显示,怀疑可能是echarts.min.js不支持此类样式
5,做好数据展示样式后,在app.py中定义调用url路径,返回中加入要展示的数据
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>ECharts</title>
<!-- 引入 echarts.js -->
<script src="E:\date\Python\doubanFlask\static\echarts.min.js"></script>
</head>
<body>
<!-- 为ECharts准备一个具备大小（宽高）的Dom -->
<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
// 指定图表的配置项和数据
var myChart = echarts.init(document.getElementById('main'));
var dataBJ = [
[1,55,9,56,0.46,18,6,"良"],
[2,25,11,21,0.65,34,9,"优"],
[3,56,7,63,0.3,14,5,"良"],
[4,33,7,29,0.33,16,6,"优"],
[5,42,24,44,0.76,40,16,"优"],
[6,82,58,90,1.77,68,33,"良"],
[7,74,49,77,1.46,48,27,"良"],
[8,78,55,80,1.29,59,29,"良"],
[9,267,216,280,4.8,108,64,"重度污染"],
[10,185,127,216,2.52,61,27,"中度污染"],
[11,39,19,38,0.57,31,15,"优"],
[12,41,11,40,0.43,21,7,"优"],
[13,64,38,74,1.04,46,22,"良"],
[14,108,79,120,1.7,75,41,"轻度污染"],
[15,108,63,116,1.48,44,26,"轻度污染"],
[16,33,6,29,0.34,13,5,"优"],
[17,94,66,110,1.54,62,31,"良"],
[18,186,142,192,3.88,93,79,"中度污染"],
[19,57,31,54,0.96,32,14,"良"],
[20,22,8,17,0.48,23,10,"优"],
[21,39,15,36,0.61,29,13,"优"],
[22,94,69,114,2.08,73,39,"良"],
[23,99,73,110,2.43,76,48,"良"],
[24,31,12,30,0.5,32,16,"优"],
[25,42,27,43,1,53,22,"优"],
[26,154,117,157,3.05,92,58,"中度污染"],
[27,234,185,230,4.09,123,69,"重度污染"],
[28,160,120,186,2.77,91,50,"中度污染"],
[29,134,96,165,2.76,83,41,"轻度污染"],
[30,52,24,60,1.03,50,21,"良"],
[31,46,5,49,0.28,10,6,"优"]
];
var dataGZ = [
[1,26,37,27,1.163,27,13,"优"],
[2,85,62,71,1.195,60,8,"良"],
[3,78,38,74,1.363,37,7,"良"],
[4,21,21,36,0.634,40,9,"优"],
[5,41,42,46,0.915,81,13,"优"],
[6,56,52,69,1.067,92,16,"良"],
[7,64,30,28,0.924,51,2,"良"],
[8,55,48,74,1.236,75,26,"良"],
[9,76,85,113,1.237,114,27,"良"],
[10,91,81,104,1.041,56,40,"良"],
[11,84,39,60,0.964,25,11,"良"],
[12,64,51,101,0.862,58,23,"良"],
[13,70,69,120,1.198,65,36,"良"],
[14,77,105,178,2.549,64,16,"良"],
[15,109,68,87,0.996,74,29,"轻度污染"],
[16,73,68,97,0.905,51,34,"良"],
[17,54,27,47,0.592,53,12,"良"],
[18,51,61,97,0.811,65,19,"良"],
[19,91,71,121,1.374,43,18,"良"],
[20,73,102,182,2.787,44,19,"良"],
[21,73,50,76,0.717,31,20,"良"],
[22,84,94,140,2.238,68,18,"良"],
[23,93,77,104,1.165,53,7,"良"],
[24,99,130,227,3.97,55,15,"良"],
[25,146,84,139,1.094,40,17,"轻度污染"],
[26,113,108,137,1.481,48,15,"轻度污染"],
[27,81,48,62,1.619,26,3,"良"],
[28,56,48,68,1.336,37,9,"良"],
[29,82,92,174,3.29,0,13,"良"],
[30,106,116,188,3.628,101,16,"轻度污染"],
[31,118,50,0,1.383,76,11,"轻度污染"]
];
var dataSH = [
[1,91,45,125,0.82,34,23,"良"],
[2,65,27,78,0.86,45,29,"良"],
[3,83,60,84,1.09,73,27,"良"],
[4,109,81,121,1.28,68,51,"轻度污染"],
[5,106,77,114,1.07,55,51,"轻度污染"],
[6,109,81,121,1.28,68,51,"轻度污染"],
[7,106,77,114,1.07,55,51,"轻度污染"],
[8,89,65,78,0.86,51,26,"良"],
[9,53,33,47,0.64,50,17,"良"],
[10,80,55,80,1.01,75,24,"良"],
[11,117,81,124,1.03,45,24,"轻度污染"],
[12,99,71,142,1.1,62,42,"良"],
[13,95,69,130,1.28,74,50,"良"],
[14,116,87,131,1.47,84,40,"轻度污染"],
[15,108,80,121,1.3,85,37,"轻度污染"],
[16,134,83,167,1.16,57,43,"轻度污染"],
[17,79,43,107,1.05,59,37,"良"],
[18,71,46,89,0.86,64,25,"良"],
[19,97,71,113,1.17,88,31,"良"],
[20,84,57,91,0.85,55,31,"良"],
[21,87,63,101,0.9,56,41,"良"],
[22,104,77,119,1.09,73,48,"轻度污染"],
[23,87,62,100,1,72,28,"良"],
[24,168,128,172,1.49,97,56,"中度污染"],
[25,65,45,51,0.74,39,17,"良"],
[26,39,24,38,0.61,47,17,"优"],
[27,39,24,39,0.59,50,19,"优"],
[28,93,68,96,1.05,79,29,"良"],
[29,188,143,197,1.66,99,51,"中度污染"],
[30,174,131,174,1.55,108,50,"中度污染"],
[31,187,143,201,1.39,89,53,"中度污染"]
];
var schema = [
{name: 'date', index: 0, text: '日'},
{name: 'AQIindex', index: 1, text: 'AQI指数'},
{name: 'PM25', index: 2, text: 'PM2.5'},
{name: 'PM10', index: 3, text: 'PM10'},
{name: 'CO', index: 4, text: '一氧化碳（CO）'},
{name: 'NO2', index: 5, text: '二氧化氮（NO2）'},
{name: 'SO2', index: 6, text: '二氧化硫（SO2）'}
];
var itemStyle = {
opacity: 0.8,
shadowBlur: 10,
shadowOffsetX: 0,
shadowOffsetY: 0,
shadowColor: 'rgba(0, 0, 0, 0.5)'
};
option = {
backgroundColor: '#404a59',
color: [
'#dd4444', '#fec42c', '#80F1BE'
],
legend: {
top: 10,
data: ['北京', '上海', '广州'],
textStyle: {
color: '#fff',
fontSize: 16
}
},
grid: {
left: '10%',
right: 150,
top: '18%',
bottom: '10%'
},
tooltip: {
padding: 10,
backgroundColor: '#222',
borderColor: '#777',
borderWidth: 1,
formatter: function (obj) {
var value = obj.value;
return '<div style="border-bottom: 1px solid rgba(255,255,255,.3); font-size: 18px;padding-bottom: 7px;margin-bottom: 7px">'
+ obj.seriesName + ' ' + value[0] + '日：'
+ value[7]
+ '</div>'
+ schema[1].text + '：' + value[1] + '<br>'
+ schema[2].text + '：' + value[2] + '<br>'
+ schema[3].text + '：' + value[3] + '<br>'
+ schema[4].text + '：' + value[4] + '<br>'
+ schema[5].text + '：' + value[5] + '<br>'
+ schema[6].text + '：' + value[6] + '<br>';
}
},
xAxis: {
type: 'value',
name: '日期',
nameGap: 16,
nameTextStyle: {
color: '#fff',
fontSize: 14
},
max: 31,
splitLine: {
show: false
},
axisLine: {
lineStyle: {
color: '#eee'
}
}
},
yAxis: {
type: 'value',
name: 'AQI指数',
nameLocation: 'end',
nameGap: 20,
nameTextStyle: {
color: '#fff',
fontSize: 16
},
axisLine: {
lineStyle: {
color: '#eee'
}
},
splitLine: {
show: false
}
},
visualMap: [
{
left: 'right',
top: '10%',
dimension: 2,
min: 0,
max: 250,
itemWidth: 30,
itemHeight: 120,
calculable: true,
precision: 0.1,
text: ['圆形大小：PM2.5'],
textGap: 30,
textStyle: {
color: '#fff'
},
inRange: {
symbolSize: [10, 70]
},
outOfRange: {
symbolSize: [10, 70],
color: ['rgba(255,255,255,.2)']
},
controller: {
inRange: {
color: ['#c23531']
},
outOfRange: {
color: ['#444']
}
}
},
{
left: 'right',
bottom: '5%',
dimension: 6,
min: 0,
max: 50,
itemHeight: 120,
precision: 0.1,
text: ['明暗：二氧化硫'],
textGap: 30,
textStyle: {
color: '#fff'
},
inRange: {
colorLightness: [1, 0.5]
},
outOfRange: {
color: ['rgba(255,255,255,.2)']
},
controller: {
inRange: {
color: ['#c23531']
},
outOfRange: {
color: ['#444']
}
}
}
],
series: [
{
name: '北京',
type: 'scatter',
itemStyle: itemStyle,
data: dataBJ
},
{
name: '上海',
type: 'scatter',
itemStyle: itemStyle,
data: dataSH
},
{
name: '广州',
type: 'scatter',
itemStyle: itemStyle,
data: dataGZ
}
]
};
// 使用刚指定的配置项和数据显示图表。
myChart.setOption(option);
</script>
</body>
</html>
标签：24,Echars,27,16,color,text,图表,污染,轻度 来源： https://www.cnblogs.com/zpzhou/p/12988408.html