[HTML] HTML简单实现网络测速

来源：互联网发布：朋友圈推广软件编辑：程序博客网时间：2024/05/06 09:39

1. 简单实现网络测速：

实现原理：通过系统服务器上的图片，来计算出当前访问服务的带宽；
注：准确性就不好说了，做此功能也只是想简单的显示给用户参考，请求的系统服务器的当前带宽！

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title> 网络测速 </title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta name="Generator" content="EditPlus"><meta name="Author" content="xinmingyang"><meta name="Keywords" content=""><meta name="Description" content=""></head><body><!--<div>单位换算：宽带512kbps=64kb/s - 1M=128kb/s - 2M=256kb/s</div>--><div id="box"></div></body><script>setInterval("getSpeed()", 1000);function getSpeed(){var startTime = new Date().getTime();var img = new Image();img.src = "http://127.0.0.1:80/web/resources/img/bandwidth.jpg?timeStamp=" + startTime;img.onload = function(){// 图片大小var size = 204.94 * 1000;var endTime = new Date().getTime();var speed = parseInt(size / (endTime - startTime));var unit = "KB/S";if(speed >= 1024){speed = (speed / 1024).toFixed(2);unit = "MB/S";}document.getElementById("box").innerHTML = "当前带宽："+ speed + unit + "<br/>请求用时：" + (endTime - startTime) / 1000 + "s";};}</script></html>

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