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index.html
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<!DOCTYPE html>
<html lang="zh-cn">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>首页</title>
<style>
.log{
white-space: pre;
overflow: auto;
}
.comment{
color: green;
opacity: 0.3;
}
.title{
position: sticky;
top: 0;
}
</style>
</head>
<body>
<div>
<div id="time"></div>
<button onclick="refreshLoc()">loc</button>
<button onclick="switchLoc()">switch</button>
<div id="loc" class="log"></div>
<div id="floc" class="log"></div>
<hr>
<div id="localstorage" class="log">localStorage:<ul></ul></div>
<hr>
<input type="checkbox" name="awaking" id="awaking">
<label for="awaking">唤醒</label>
<button id="reawaking" style="display: none;">重新唤醒</button>
<div id="links">
<a href="spaceship.html">小火箭</a>
<a href="waterMark.html">水印制作</a>
<a href="bili.html">bilibili</a>
<a href="百人万元模拟_ECharts.html">百人万元模拟_ECharts</a>
</div>
<input type="checkbox" name="sos" id="sos">
<label for="sos">SOS Light</label>
<span class="comment">(need photo privilege cause the torch api is binded on it)</span>
<div id="sos_log" class="log"></div>
</div>
<script>
o_console_log = console.log;
console.log = function () {
o_console_log.apply(null, [new Date().toLocaleString(), ...arguments]);
};
show_time = () => document
.getElementById('time').innerText = new Date().toLocaleString();
show_time();
setInterval(show_time, 1000);
// 显示localStorage
function rm(key) {
localStorage.removeItem(key);
document.getElementById(key).remove();
}
for (let i = 0; i < localStorage.length; i++) {
let key = localStorage.key(i);
let value_str = localStorage.getItem(key);
try {
let value_obj = JSON.parse(value_str);
value_str = JSON.stringify(value_obj, null, 4);
console.log(key, value_obj);
} catch (error) {
console.log(key, value_str);
}
document.querySelector('#localstorage>ul').innerHTML += (
`<li id='${key}'>${key}: ${value_str} <button onclick="rm('${key}')">删除</button></li>`
)
}
// 唤醒状态切换
awaking = document.getElementById('awaking');
reawaking = document.getElementById('reawaking');
async function awake(){
try {
wakeLock = await navigator.wakeLock.request('screen');
wakeLock.onrelease = () => {
if (awaking.checked) {
console.log('发生非主动释放')
reawaking.style.display = 'block';
}
};
console.log('唤醒成功');
if (reawaking.style.display == 'block') {
reawaking.style.display = 'none';
}
} catch (error) {
awaking.checked = false;
console.log('唤醒失败');
}
}
awaking.addEventListener('change', () => {
if (awaking.checked) {
awake();
} else {
wakeLock.release();
console.log('释放成功');
}
});
reawaking.onclick = awake;
awaking.click();
// 返回页面后恢复唤醒状态
window.addEventListener('visibilitychange', async () => {
console.log(document.visibilityState);
if (document.visibilityState === 'visible') {
if(reawaking.style.display === 'block') reawaking.click();
}
});
</script>
<script>
function jsonStringifyWithComments(obj, infoNode, space = 2) {
const INDENT = ' '.repeat(space);
function stringifyWithComments(value, valueInfoNode, indent = '') {
let comment = '';
if (valueInfoNode && valueInfoNode.__node_info){
comment = `<span class="comment"> // ${valueInfoNode.__node_info}</span>`;
}
if (typeof value === 'object' && value !== null) {
let isArray = Array.isArray(value);
let items = [];
let nextValueInfoNode = {...valueInfoNode, ...{__node_info: null}};
for (let key in value) {
!isArray && (nextValueInfoNode = valueInfoNode[key]);
let itemValue = stringifyWithComments(value[key], nextValueInfoNode, indent + INDENT);
if (isArray) {
items.push(`${indent + INDENT}${itemValue}`);
} else {
items.push(`${indent + INDENT}"${key}": ${itemValue}`);
}
}
if (items.length === 0) {
return isArray ? '[]' : '{}' + comment;
}
if (isArray) {
return `[${comment}\n${items.join('\n')}\n${indent}]`;
} else {
return `{${comment}\n${items.join('\n')}\n${indent}}`;
}
} else if (typeof value === 'string') {
return `"${value},"${comment}`;
} else {
return String(value) + comment;
}
}
return stringifyWithComments(obj, infoNode);
}
infoNode = {
"regeocode": {
"__node_info": "包含详细的地理编码信息",
"addressComponent": {
"__node_info": "描述当前位置的行政区域信息",
"province": {
"__node_info": "省或直辖市名称，例如 '北京市'"
},
"city": {
"__node_info": "市级行政区名称，可能与省同名或者为空，取决于省的类型"
},
"citycode": {
"__node_info": "城市的电话区号"
},
"district": {
"__node_info": "区级行政区域名称"
},
"adcode": {
"__node_info": "行政区域代码"
},
"township": {
"__node_info": "乡镇或街道名称（此字段可选，不是所有请求都有）"
},
"towncode": {
"__node_info": "乡镇/街道编码"
},
"neighborhood": {
"__node_info": "描述社区的相关信息",
"type": {
"__node_info": "社区类型，例如 '住宅区' 或 '商业区'"
}
},
"building": {
"__node_info": "描述建筑物的相关信息",
"type": {
"__node_info": "建筑物类型，例如 '写字楼' 或 '商场'"
}
},
"streetNumber": {
"__node_info": "描述门牌号的相关信息",
"street": {
"__node_info": "街道名称"
},
"number": {
"__node_info": "门牌号码"
},
"location": {
"__node_info": "门牌所在的经纬度坐标"
},
"direction": {
"__node_info": "门牌所在位置相对于请求位置的方向"
},
"distance": {
"__node_info": "门牌到请求位置的距离"
}
},
"seaArea": {
"__node_info": "海域名称（若适用）"
},
"businessAreas": {
"__node_info": "描述商圈的相关信息",
"businessArea": {
"__node_info": "商圈名称"
},
"location": {
"__node_info": "商圈中心的经纬度"
},
"name": {
"__node_info": "商圈中的主要建筑物或地标"
}
}
},
"roads": {
"__node_info": "描述道路的相关信息",
"distance": {
"__node_info": "道路到请求位置的距离"
},
"direction": {
"__node_info": "道路所在方向"
},
"location": {
"__node_info": "道路的经纬度坐标"
}
},
"roadinters": {
"__node_info": "描述道路交叉口的相关信息",
"location": {
"__node_info": "交叉口的经纬度坐标"
},
"distance": {
"__node_info": "交叉口到请求位置的距离"
},
"direction": {
"__node_info": "交叉口所在方向"
},
"first_id": {
"__node_info": "第一条道路的ID"
},
"first_name": {
"__node_info": "第一条道路的名称"
},
},
"pois": {
"__node_info": "描述兴趣点 (POI) 的相关信息",
"id": {
"__node_info": "POI 的唯一标识符"
},
"name": {
"__node_info": "POI 的名称"
},
"type": {
"__node_info": "POI 的类型，例如 '餐厅' 或 '银行'"
},
"tel": {
"__node_info": "POI 的联系电话"
},
"distance": {
"__node_info": "POI 到请求位置的距离"
},
"direction": {
"__node_info": "POI 所在方向"
},
"address": {
"__node_info": "POI 的详细地址"
},
"location": {
"__node_info": "POI 的经纬度坐标"
},
"businessarea": {
"__node_info": "POI 所在的商圈"
}
},
"aois": {
"__node_info": "描述兴趣区域 (AOI) 的相关信息",
"id": {
"__node_info": "AOI 的唯一标识符"
},
"name": {
"__node_info": "AOI 的名称"
},
"adcode": {
"__node_info": "AOI 所在的行政区域代码"
},
"location": {
"__node_info": "AOI 的中心经纬度"
},
"area": {
"__node_info": "AOI 的面积"
},
"distance": {
"__node_info": "AOI 到请求位置的距离"
},
"type": {
"__node_info": "AOI 的类型，例如 '商业' 或 '住宅'"
}
}
}
}
</script>
<script>
function mkUrl(obj) {
let url = obj.base;
let keys = Object.keys(obj.kvs);
for (let i = 0; i < keys.length; i++) {
let k = keys[i];
let v = obj.kvs[k];
if (i == 0) {
url += '?';
}
url = url.concat(k, '=', v);
if (i != keys.length - 1) {
url += '&';
}
}
return url
}
async function gaoDeLoc(gaodeLntLatStr) {
let max_radius = 500;
let requestObj = {
base: 'https://restapi.amap.com/v3/geocode/regeo',
kvs: {
key: '22f56bdaf27f7d13215d03984880ab26',
location: gaodeLntLatStr,
radius: 0,
extensions: 'all',
}
}
let resObj = null;
while(1){
resObj = await fetch(mkUrl(requestObj)).then((res) => res.json())
console.log(`range ${requestObj.kvs.radius} get`, resObj);
if(resObj.status == 1) break;
if (requestObj.kvs.radius <= max_radius) {
requestObj.kvs.radius += 50;
} else break;
}
return resObj
}
async function gaoDeLntLat(longitude, latitude) {
longitude = longitude.toFixed(6);
latitude = latitude.toFixed(6);
let requestObj = {
base: 'https://restapi.amap.com/v3/assistant/coordinate/convert',
kvs: {
key: '22f56bdaf27f7d13215d03984880ab26',
locations: `${longitude},${latitude}`,
coordsys: 'gps',
}
}
gaodeLntLatObj = await fetch(mkUrl(requestObj)).then((res) => res.json())
console.log(gaodeLntLatObj)
return gaodeLntLatObj
}
function refreshLoc() {
navigator.geolocation.getCurrentPosition(
async (position) => {
console.log(position);
locEl.innerHTML = JSON.stringify(position, null, 4);
gdllobj = await gaoDeLntLat(position.coords.longitude, position.coords.latitude)
locEl.innerHTML += '\ngaoDeLntLat: ' + JSON.stringify(gdllobj, null, 4);
resObj = await gaoDeLoc(gdllobj.locations)
locEl.innerHTML += '\ngaoDeLoc: ' + jsonStringifyWithComments(resObj, infoNode, 4);
},
(positionError) => {
console.log(positionError.code, positionError.message)
},
{
enableHighAccuracy: true,
}
);
}
locEl = document.getElementById('loc');
flocEl = document.getElementById('floc');
flocEl.style.display = 'none';
flocEl.innerHTML = '\n'.repeat(100);
refreshLoc();
function switchLoc() {
locEl.style.display = locEl.style.display == 'none' ? 'block' : 'none';
flocEl.style.display = flocEl.style.display == 'none' ? 'block' : 'none';
}
// setInterval(refreshLoc, 5000);
</script>
<script>
sosBtn = document.getElementById('sos');
logEl = document.getElementById('sos_log');
function log(msg) {
logEl.innerHTML += msg + '\n';
}
function clearLog() {
logEl.innerHTML = '';
}
async function getLightCtl() {
// 检查navigator
if (!navigator.mediaDevices || !navigator.mediaDevices.getUserMedia) {
return false;
}
medidaStream = await navigator.mediaDevices.getUserMedia({
video: {
facingMode: 'environment'
}
});
clearLog();
tracks = medidaStream.getVideoTracks();
for (let track of tracks) {
log('Track Kind: ' + track.kind);
log('Track Label: ' + track.label);
log('-'.repeat(5));
let capabilities = track.getCapabilities();
log('Capabilities:\n' + JSON.stringify(capabilities, null, 2));
log('-'.repeat(5));
let settings = track.getSettings();
log('Settings:\n' + JSON.stringify(settings, null, 2));
log('-'.repeat(5));
if (capabilities.torch) {
return {
light_on: () => track.applyConstraints({ torch: true }),
light_off: () => track.applyConstraints({ torch: false }),
light_status: () => track.getSettings().torch
}
}
}
}
function release(){
if (medidaStream) {
for (let track of medidaStream.getTracks()) {
track.stop();
}
medidaStream = null;
lightCtl = null;
sosBtn.checked = false;
}
}
async function sleep(ms) {
await new Promise(resolve => setTimeout(resolve, ms));
}
// sos signal array, [light_length, dark_length, light_length, dark_length, ...]
sosSignal = [
500, 500, 500, 500, 500, 500,
1000, 500, 1000, 500, 1000, 500,];
async function sos(lightCtl) {
if (!lightCtl) {
return;
}
lightCtl.light_off();
while (sosBtn.checked) {
for (let ms of sosSignal) {
if (!sosBtn.checked) break;
if (lightCtl.light_status()) lightCtl.light_off();
else lightCtl.light_on();
await sleep(ms);
}
}
}
lightCtl = null;
sosBtn.addEventListener('change', async function () {
if (this.checked) {
if (!lightCtl) lightCtl = await getLightCtl();
if (!lightCtl) {
alert('No torch api found');
release();
return;
}
sos(lightCtl);
} else {
lightCtl.light_off();
release();
}
});
</script>
</body>
</html>