kk Blog —— 通用基础


date [-d @int|str] [+%s|"+%F %T"]
netstat -ltunp
sar -n DEV 1

腾讯地图--静态地图API

https://lbs.qq.com/service/staticV2/staticGuide/staticDoc#9

图标（markers）

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	echo "<td>";
	$mstr = "&markers=" . $latitude . "," . $longitude;
	$labels = "";
	$et = date('H时i分', strtotime($row->jstime));
	$labels = "&labels=color:0xff0000|bgcolor:0x00ff00|位置{$et}|" . $latitude . "," . $longitude;
	$zoom = ($data['zoom'] == '') ? "" : "&zoom={$data['zoom']}";
	$key = "key";
	$url = "https://apis.map.qq.com/ws/staticmap/v2/?size={$data['size']}{$zoom}&key={$key}{$mstr}{$labels}";
	$pstr = sprintf("<input type=button style='width:40px;vertical-align:baseline;color:blue;' value='%s' onclick=\"showimg('%s','%s')\">", '预览', $url, $row->jstime);
	echo $pstr;
	echo "</td>";

文本（labels） 路径（path）

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  if (!empty($path)) {
      $pn = count($path);
      if ($pn == 1) {
          $path[] = $path[0];
          $jstime[] = $jstime[0];
          $pn ++;
      }

      $mstr = "&markers=" . $path[0] . "|" . $path[$pn - 1];

      //$path = array_reverse($path);
      $pathstr = "weight:3|" . implode('|', $path);

      $labels = "";
      if ($pn > 1) {
          $st = date('H点i', strtotime($jstime[$pn-1]));
          $et = date('H点i', strtotime($jstime[0]));
          $labels = "&labels=color:0xff0000|bgcolor:0x00aa00|起{$st}|{$path[$pn-1]}|止{$et}|{$path[0]}";
      }

      $zoom = ($data['zoom'] == '') ? "" : "&zoom={$data['zoom']}";

      $key = "key";
      $url = "https://apis.map.qq.com/ws/staticmap/v2/?size={$data['size']}{$zoom}&key={$key}&path={$pathstr}{$mstr}{$labels}";

      echo "<script> document.getElementById('imgid0').src = '{$url}'; </script>";

      $sm = strtotime($jstime[$pn-1]);
      $em = strtotime($jstime[0]);
      $mm = (int)(($em - $sm) / 60);
      $ss = (int)($em - $sm) % 60;
      $vv = ($em - $sm != 0) ? round($g1s / ($em - $sm), 2) : 0;
      $dstr= "耗时{$mm}分{$ss}秒; 速度{$vv}米/秒; 路程{$g1s}米; 直线{$disD}米";
      echo "<script> document.getElementById('sid').innerHTML = '{$dstr}'; </script>";
  }

JS 保持屏幕常亮

https://blog.csdn.net/GeniusCyberpunk/article/details/106082103

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<script src='/js/NoSleep.js' type='text/javascript'></script>

<script>
var noSleep = new NoSleep();
noSleep.enable();
// alert('eeee');
</script>

https://juejin.cn/post/7229176086147825722

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<script>
let wakeLock = null;
async function requestScreenWakeLock() {
	try {
		wakeLock = await navigator.wakeLock.request('screen');
		// console.log('Wake Lock activated, screen will stay awake.');
	} catch (err) {
		alert(err);
	}
}
requestScreenWakeLock();
</script>

JS 获取当前的日期和时间

https://www.jyshare.com/codedemo/7672/

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var today = new Date();

//日期
var DD = String(today.getDate()).padStart(2, '0');    // 获取日
var MM = String(today.getMonth() + 1).padStart(2, '0');   // 获取月份，1 月为 0
var yyyy = today.getFullYear();               // 获取年

// 时间
hh =  String(today.getHours()).padStart(2, '0');  // 获取当前小时数(0-23)
mm = String(today.getMinutes()).padStart(2, '0'); // 获取当前分钟数(0-59)
ss = String(today.getSeconds()).padStart(2, '0'); // 获取当前秒数(0-59)

today = yyyy + '-' + MM + '-' + DD + ' ' + hh + ':' + mm + ':' + ss;
document.write(today);