python_weather/web/js/chart2.js
2024-06-07 20:15:48 +08:00

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function echarts_2() {
// 基于准备好的dom初始化echarts实例
var myChart = echarts.init(document.getElementById('echart2'));
var xData = Chart2_Data.x;
var yData1 = Chart2_Data.y1;
var yData2 = Chart2_Data.y2;
var yData3 = Chart2_Data.y3;
// 指定图表的配置项和数据
var option = {
// title: {
// text: '2023年重庆市气温分布图',
// subtext: '数据来源: 气象局'
// },
tooltip: {
trigger: 'axis',
formatter: function (params) {
var content = '';
params.forEach(function (item) {
content += item.seriesName + ' : ' + item.value + '°C<br>';
});
return content;
}
},
legend: {
data: ['最高气温', '最低气温', '平均气温'],
textStyle: { // 设置图例文字的样式
color: '#fff' // 设置图例文字颜色为白色
}
},
grid: {
left: '3%',
right: '4%',
bottom: '3%',
containLabel: true
},
toolbox: {
feature: {
saveAsImage: {}
}
},
xAxis: {
type: 'category',
// boundaryGap: false,
data: xData,
axisLabel: {
interval: 0,
// rotate:50,
show: true,
splitNumber: 15,
textStyle: {
color: "rgba(255,255,255,.6)",
fontSize: '12',
},
}
},
yAxis: {
type: 'value',
axisLabel: {
interval: 0,
// rotate:50,
show: true,
splitNumber: 15,
textStyle: {
color: "rgba(255,255,255,.6)",
fontSize: '12',
},
}
},
dataZoom: [
{
type: 'slider',
start: 0,
end: 100
},
{
type: 'inside',
start: 0,
end: 100
}
],
series: [
{
name: '最高气温',
type: 'line',
smooth: true,
data: yData1,
},
{
name: '最低气温',
type: 'line',
smooth: true,
data: yData2,
},
{
name: '平均气温',
type: 'line',
smooth: true,
data: yData3,
}
]
};
// 使用刚指定的配置项和数据显示图表。
myChart.setOption(option);
window.addEventListener("resize", function () {
myChart.resize();
});
}