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<?php /* 本源码来源于网络 http://user.qzone.qq.com/292672703 */ header("content-Type: text/html; charset=utf-8"); //定义编码 set_time_limit (0);//不限时 24 * 60 * 60 //语言包数组 $lang_cn = array ( ‘0‘ => ‘文件地址‘, ‘1‘ => ‘输入密码‘, ‘2‘ => ‘下载耗时‘, ‘3‘ => ‘微秒,文件大小‘, ‘4‘ => ‘字节‘, ‘5‘ => ‘下载成功‘, ‘6‘ => ‘无效密码‘, ‘7‘ => ‘请重新输入‘, ‘8‘ => ‘远程文件下载‘, ‘9‘ => ‘不能打开文件‘, ‘10‘=> ‘不能写入文件‘, ‘11‘=> ‘文件地址‘, ‘12‘=> ‘下载时间‘, ‘13‘=> ‘文件不可写入‘, ‘14‘=> ‘成功地将‘, ‘15‘=> ‘操作记录成功写入!‘, ‘16‘=> ‘系统已将此次操作写入日志记录!‘, ‘17‘=> ‘写入失败‘, ‘18‘=> ‘文件不存在,试图创建,‘, ‘19‘=> ‘创建失败！‘, ‘20‘=>‘文件大小‘, ‘21‘=>‘未知‘, ‘22‘=>‘已经下载‘, ‘23‘=>‘完成进度‘, ‘24‘=>‘必须为绝对地址，且前面要加http://‘ ); //China,中文 $lang_en = array ( ‘0‘ => ‘File‘, ‘1‘ => ‘Pass‘, ‘2‘ => ‘DownTime‘, ‘3‘ => ‘Ms, file size‘, ‘4‘ => ‘Byte‘, ‘5‘ => ‘Download complete‘, ‘6‘ => ‘Invalid password‘, ‘7‘ => ‘Please try again‘, ‘8‘ => ‘Happy flying blog - Remote File Download‘, ‘9‘ => ‘Can not open file‘, ‘10‘=> ‘Can not write file‘, ‘11‘=> ‘Query File‘, ‘12‘=> ‘Query Time‘, ‘13‘=> ‘file not writeable‘, ‘14‘=> ‘I have success save‘, ‘15‘=> ‘Write successful!‘, ‘16‘=> ‘The operating system has written to the log records!‘, ‘17‘=> ‘Success or failure‘, ‘18‘=> ‘File does not exist, attempting to create,‘, ‘19‘=> ‘Create Failed‘, ‘20‘=>‘File Size‘, ‘21‘=>‘Unknown length‘, ‘22‘=>‘Have downloaded‘, ‘23‘=>‘Download progress‘, ‘24‘=>‘Must be an absolute address‘ ); //English,英文 $Language = $lang_cn; //切换语言 $Archives = ‘log.txt‘; //Log文件 $Folder = ‘qq292672703/‘; //下载目录 $password = ‘292672703‘; //管理密码 ?> <!--简单控制地址长度--> <SCRIPT language=javascript> function CheckPost() { if (myform.url.value.length<10) { alert("文件地址不能小于10个字符，请认真填写！"); myform.url.focus(); return false; } } </SCRIPT> <!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" lang="zh-cn"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title><?php echo $Language[8]; ?></title> </head> <body> <form method="post" name="myform" onsubmit="return CheckPost();"> <?php echo $Language[0]; ?>: <input name="url" type="text" value="http://" size="50%"/> <font color="red"><?php echo $Language[24]; ?></font><br> <?php echo $Language[1]; ?>: <input name="password" type="password"size="30%" /><br> <input name="submit" type="submit" value="确认下载" /> </form><br /> <table border="1" width="100%"> <tr> <td width="20%"><?php echo $Language[20]; ?></td> <td width="80%"><font color="red"><div id="filesize"><?php echo $Language[21]; ?></font> <?php echo $Language[4]; ?></div></td> </tr> <tr> <td> <?php echo $Language[22]; ?></td><td><font color="red"><div id="downloaded">0</font> <?php echo $Language[4]; ?></div></td> </tr> <tr> <td> <?php echo $Language[23]; ?></td><td><font color="red"><div id="progressbar" style="float:left;width:1px; text-align:center; color:#FFFFFF; background-color:#0066CC"></div><div id="progressText" style=" float:left">0%</div></font></td> </tr> </table> <!--文件计算、进度显示--> <script type="text/javascript"> //文件长度 var filesize=0; function $(obj) { return document.getElementById(obj); } //设置文件长度 function setFileSize(fsize) { filesize=fsize; $("filesize").innerHTML=fsize; } //设置已经下载的,并计算百分比 function setDownloaded(fsize) { $("downloaded").innerHTML=fsize; if(filesize>0) { var percent=Math.round(fsize*100/filesize); $("progressbar").style.width=(percent+"%"); if(percent>0) { $("progressbar").innerHTML=percent+"%"; $("progressText").innerHTML=""; } else { $("progressText").innerHTML=percent+"%"; } } } </script> <?php //密码验证 if ($_POST[‘password‘] == $password) { class runtime { var $StartTime = 0; var $StopTime = 0; function get_microtime() { list($usec, $sec) = explode(‘ ‘, microtime()); return ((float)$usec + (float)$sec); } function start() { $this->StartTime = $this->get_microtime(); } function stop() { $this->StopTime = $this->get_microtime(); } function spent() { return round(($this->StopTime - $this->StartTime) * 1000, 1); } } //消耗时间 $runtime= new runtime; $runtime->start(); // 下载 if (!isset($_POST[‘submit‘])) die(); $destination_folder = $Folder; if(!is_dir($destination_folder)) mkdir($destination_folder,0777); $url = $_POST[‘url‘]; $file = fopen ($url, "rb"); if ($file) { // 获取文件大小 $filesize=-1; $headers = get_headers($url, 1); if ((!array_key_exists("Content-Length", $headers))) { $filesize=0; } $filesize= $headers["Content-Length"]; $newfname = $destination_folder . basename($url); //不是所有的文件都会先返回大小的， //有些动态页面不先返回总大小，这样就无法计算进度了 if($filesize != -1) { echo "<script>setFileSize($filesize);</script>"; //在前台显示文件大小 } $newf = fopen ($newfname, "wb"); $downlen=0; if ($newf) while(!feof($file)) { $data=fread($file, 1024 * 8 ); //默认获取8K $downlen+=strlen($data); // 累计已经下载的字节数 fwrite($newf, $data, 1024 * 8 ); echo "<script>setDownloaded($downlen);</script>"; //在前台显示已经下载文件大小 ob_flush(); flush(); } } if ($file) { fclose($file); } if ($newf) { fclose($newf); } $runtime->stop();//停止计算 //乱七八糟的东西 -0-； $downtime = ‘<p>‘.$Language[2].‘:<font color="blue"> ‘.$runtime->spent().‘ </font>‘.$Language[3].‘<font color="blue"> ‘.$headers["Content-Length"].‘ </font>‘.$Language[4].‘.</p><br>‘; $downok = ‘<p><font color="red">‘.$Language[5].‘！‘.date("Y-m-d H:i:s").‘</font></p><br>‘; } elseif(isset($_POST[‘password‘])) { $passerror = ‘<p><font color="red">‘.$Language[6].‘！‘.$Language[7].‘!</font></p><br>‘; } $Export = $downtime.$downok.$passerror; if(isset($_POST[‘url‘]) && ($_POST[‘password‘] == $password)) { $filename = $Archives; $somecontent = $Language[11].‘: ‘.$url."\r\n".$Language[2].": ".$runtime->spent().$Language[3].": ".$headers["Content-Length"].$Language[4]."\r\n".$Language[12].‘: ‘.date("Y-m-d H:i:s")."\r\n"."\r\n"; if (!file_exists($filename)) { $echo_1 = $Language[18]; if (!fopen($filename, ‘w‘)) { $echo_2 = $Language[19]; } } // 文件操作 if (is_writable($filename)) //判断是否可写 { if (!$handle = fopen($filename, ‘a+‘)) //打开文件 { $echo_3 = $Language[9].$filename; //当打不开时 } else { if (fwrite($handle, $somecontent) === false)//写入 { $echo_4 = $Language[10].$filename; } else { $echo_5 = $Language[15]; } fclose($handle);//关闭连接 } } else { $echo_6 = $Language[17]; } } $echo = $echo_1.$echo_2.$echo_3.$echo_4.$echo_5.$echo_6; ?> <?php echo $Export; ?> <p><font color="blue"><?php echo $echo; ?></font></p> </body> </html>
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原文地址：http://www.cnblogs.com/yhdsir/p/4924086.html
