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<script src='https://cdn.bootcdn.net/ajax/libs/echarts/5.2.2/echarts.min.js'></script>
<title>CSI Motion Detection</title>
<div id='chart' style='width: 1200px; height: 800px;'></div>
<script type="text/javascript">
var chart = echarts.init(document.getElementById('chart'));
var option = {
title: {
text: '实时数据',
backgroundColor: 'rgb(128,128,128)',
textStyle:{fontSize:48},
left: 'right'
},
tooltip: {
trigger: 'axis'
},
xAxis: {
type: 'category',
data: [] // 这里用于存放X轴数据
},
yAxis: {
type: 'value',
min:0,
max:1
},
series: [{
data: [], // 这里用于存放Y轴数据
type: 'line'
}]
};
chart.setOption(option);
function updateChart(data) {
option.xAxis.data.push(data.t);
option.series[0].data.push(data.x);
if (option.xAxis.data.length >= 20){
option.xAxis.data.shift();
option.series[0].data.shift();
}
if (data.x > 0.5){
option.title.text='Motion Detected';
option.title.backgroundColor='rgb(0,200,0)';
}
else {
option.title.text='No Motion';
option.title.backgroundColor='rgb(128,128,128)';
}
chart.setOption(option);
}
var socket = new WebSocket("ws://localhost:4200"); // 替换为你的WebSocket服务器地址
socket.onopen = function(event) {
console.log('WebSocket connected');
};
socket.onmessage = function(event) {
var data = JSON.parse(event.data); // 假设服务器发送的数据是JSON格式的字符串
updateChart(data); // 调用函数更新图表数据
};
socket.onclose = function(event) {
console.log('WebSocket closed');
};
socket.onerror = function(error) {
console.log('WebSocket error: ' + error);
};
</script>
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