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+<!DOCTYPE html>
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+<html>
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+
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+<head>
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+ <meta charset="UTF-8">
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+ <title>温度监控</title>
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+ <script type="text/javascript" src="./static/echarts.min.js"></script>
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+</head>
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+
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+<body>
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+ <div id="charts" class="chart-container" style="width:900px; height:500px;"></div>
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+ <script>
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+ // init echarts
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+ const dom = document.getElementById('charts')
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+ const chart = echarts.init(dom)
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+ const Arr = []
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+ const option = {
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+ backgroundColor: 'white',
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+ grid: {
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+ top: '30%',
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+ left: '20%',
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+ right: '20%',
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+ bottom: '30%',
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+ containLabel: true,
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+ },
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+
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+ tooltip: {
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+ trigger: "axis",
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+ },
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+ xAxis: {
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+ data: [],
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+ axisLine: {
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+ show: true,
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+ lineStyle: {
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+ color: '#E5E6EB',
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+ }
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+ },
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+ axisLabel: {
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+ color: '#86909C',
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+ fontSize: 12,
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+ },
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+ },
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+ yAxis: [{
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+ type: 'value',
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+ nameTextStyle: {
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+ color: "#000",
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+ fontSize: 14,
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+ padding: [0, 0, 0, 30]
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+ },
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+ axisLabel: {
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+ color: '#4E5969',
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+ fontSize: 12
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+ },
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+ splitLine: { //网格线
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+ "show": false,
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+ }
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+ }],
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+ series: [
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+ {
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+ type: 'line',
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+ smooth: true,
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+ showSymbol: false,
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+ barWidth: 20,
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+ data: [],
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+ itemStyle: {
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+ normal: {
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+ color: "#4080FF",
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+ width: 2
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+ },
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+ },
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+ }
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+ ]
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+ }
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+
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+ function getData() {
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+ fetch('http://127.0.0.1:5673/data', { method: 'GET', Headers: { 'Content-Type': 'application/json' } }).then((res => res.json())).then(res => {
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+ if (Arr.length > 300) Arr.shift()
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+ Arr.push(res)
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+ const series = Arr.map(el=>el.value)
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+ const xAxis = Arr.map(el => el.time)
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+ option.xAxis.data = xAxis
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+ option.series[0].data = series
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+ chart.setOption(option)
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+ console.log('服务器回来的数据',res,Arr);
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+
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+ })
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+ }
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+ getData()
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+ // 每3秒请求一次数据
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+ setInterval(() => {
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+ getData()
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+ }, 3000);
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+
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+ </script>
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+</body>
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+
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+</html>
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