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RQteafactory-NodeJS
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modified:   static/js/sensor-1.js
This commit is contained in:
IrisVega 2024-07-20 15:06:02 +08:00
parent 6db2ee1434
commit 13b080cc47
1 changed files with 4 additions and 20 deletions
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static/js/sensor-1.js
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@ -1,4 +1,3 @@
//折线图
document.addEventListener('DOMContentLoaded', function () { document.addEventListener('DOMContentLoaded', function () {
var chartContainer = document.getElementById('chart-container'); var chartContainer = document.getElementById('chart-container');
var myChart = echarts.init(chartContainer); var myChart = echarts.init(chartContainer);
@ -7,12 +6,12 @@ document.addEventListener('DOMContentLoaded', function () {
var temperatures = []; var temperatures = [];
function fetchAndUpdateData() { function fetchAndUpdateData() {
fetchLatestSensorData()
fetch('http://111.230.197.156:8000/get_sensor_data') fetch('http://111.230.197.156:8000/get_sensor_data')
.then(response => response.json()) .then(response => response.json())
.then(data => { .then(data => {
timestamps = data.timestamps.slice(-200); // 只保留最新的200个数据 timestamps = data.timestamps.slice(-200); // 只保留最新的200个数据
temperatures = data.temperatures.slice(-200); // 只保留最新的200个数据 temperatures = data.temperatures.slice(-200); // 只保留最新的200个数据
var option = { var option = {
title: { title: {
text: '温度数据', text: '温度数据',
@ -52,28 +51,13 @@ document.addEventListener('DOMContentLoaded', function () {
}; };
myChart.setOption(option); myChart.setOption(option);
});
fetch('http://111.230.197.156:8000/get_latest_sensor_data') // 更新最新的温度
.then(response => response.json()) document.getElementById('temperature').textContent = `当前温度: ${temperatures.slice(-1)}℃`;
.then(data => {
document.getElementById('temperature').textContent = `当前温度: ${temperatures.slice(-1)}°C`;
}); });
} }
// 每5秒刷新一次数据 // 每5秒刷新一次数据
setInterval(fetchAndUpdateData, 1000); setInterval(fetchAndUpdateData, 1000);
fetchAndUpdateData(); // 初始加载数据 fetchAndUpdateData();
}); });
//获取当前的湿度
async function fetchLatestSensorData() {
const response = await fetch('http://111.230.197.156:8000/get_latest_sensor_data');
const data = await response.json();
document.getElementById('temperature').textContent = `当前温度: ${temperatures.slice(-1)}℃`;
}