本文实例讲述了PHP设置进度条的方法。分享给大家供大家参考。具体如下：
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<html>
<head>
<style type="text/css"><!--
div {
margin: 1px;
height: 20px;
padding: 1px;
border: 1px solid #000;
width: 275px;
background: #fff;
color: #000;
float: left;
clear: right;
top: 38px;
z-index: 9
}
.percents {
background: #FFF;
border: 1px solid #CCC;
margin: 1px;
height: 20px;
position:absolute;
width:275px;
z-index:10;
left: 10px;
top: 38px;
text-align: center;
}
.blocks {
background: #EEE;
border: 1px solid #CCC;
margin: 1px;
height: 20px;
width: 10px;
position: absolute;
z-index:11;
left: 12px;
top: 38px;
filter: alpha(opacity=50);
-moz-opacity: 0.5;
opacity: 0.5;
-khtml-opacity: .5
}
-->
</style>
</head>
<body>
<?php
if (ob_get_level() == 0) {
ob_start();
}
echo str_pad('Loading... ',4096)."<br />\n";
for ($i = 0; $i < 25; $i++) {
$d = $d + 11;
$m=$d+10;
//This div will show loading percents
echo '<div class="percents">' . $i*4 . '% complete</div>';
//This div will show progress bar
echo '<div class="blocks" style="left: '.$d.'px"> </div>';
flush();
ob_flush();
sleep(1);
}
ob_end_flush();
?>
<div class="percents" style="z-index:12">Done.</div>
</body>
</html>
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希望本文所述对大家的php程序设计有所帮助。