一 代码
fun.js
function progress(){
setInterval("beginProgress()",200);
}
function beginProgress(){
$.get("progress.PHP",null,function(data){
$("#pg").css("width",data+"%");
$("#pgtext").html("The progress is "+data+"%");
});
}
index.PHP
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <Meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>jQuery制作进度条</title> </head> <script language="javascript" src="js/jquery-1.3.2.js"></script> <script language="javascript" src="js/fun.js"></script> <body> <div style="width:200px; height:12px; border:1px solid #0000FF"> <div id="pg" style="width:0%; height:100%;background-color:#0000FF"></div> </div> <br> <div id="pgtext" style="width:100px; height:20px"></div> <br> <input type="button" value="开始" onclick="progress()" /> </body> </html>
progress.PHP
<?PHP $file = "./count.txt"; $fp = fopen($file,"r"); $txt = fread($fp,filesize($file)); echo $txt; $fp1 = fopen($file,"w"); if($txt<100){ $txt++; fwrite($fp1,$txt); }else{ fwrite($fp1,1); } fclose($fp1); fclose($fp); ?>
二 运行结果
