好吧之前写得那个网易云音乐下载现在不行了，重新查看了一下，原来是链接被重定向了
重定向
稍微修改一下代码就ok了：
<html>
<head>
<meta charset="utf-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>网易云音乐下载--止语</title>
<link rel="shortcut icon" href="//s1.music.126.net/style/favicon.ico?v20180823">
<script src="https://cdn.jsdelivr.net/npm/jquery@1.12.4/dist/jquery.min.js"></script>
<script src="./jquery-1.11.3.min.js"></script>
<!-- 最新版本的 Bootstrap 核心 CSS 文件 -->
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<!-- 最新的 Bootstrap 核心 JavaScript 文件 -->
<script src="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>
<style>
.container-fluid{
background:#E5E7E9;
}
.container{
height:35px;
line-height:35px;
}
.y_title{
font-size:25px;
}
.idwt{
height:20px;
line-height:20px;
}
p a{
font-size:30px;
}
@media only screen and (max-width:768px) {
.bj {
min-height:600px;
background:url(./bj.jpg);
background-repeat:no-repeat;
background-size:768px;
}
}
@media only screen and (min-width:768px) and (max-width:992px) {
.bj {
min-height:1200px;
background:url(./bj.jpg);
background-repeat:no-repeat;
background-size:992px;
}
}
@media only screen and (min-width:992px) and (max-width:9999px) {
.bj {
min-height:1200px;
background:url(./bj.jpg);
background-size:1920px 1200px;
}
}
/*.bj{
background:url(./bj.jpg);
background-size:100% 100%;
}*/
</style>
</head>
<body>
<div class="container-fluid">
<div class="container">
<div class="row">
<div class="col-md-3 y_title">网易云音乐下载</div>
</div>
</div>
</div>
<div class="row bj">
<div class="col-md-4 col-md-offset-4">
<form action="?mod=xz" method="post">
<div class="form-group">
<label for="exampleInputEmail1">音乐ID</label>
<input type="text" class="form-control" name="id" id="exampleInputEmail1" placeholder="音乐ID">
</div>
<button type="submit" class="btn btn-info btn-lg btn-block">下载</button>
</form>
<p>
<?php
$yy = $_GET['mod'];
if($yy == 'xz'){
$id = $_POST['id'];
if(!empty($id)){
if(is_numeric($id) && strlen($id) > 4){
$file = "./music/".$id.".mp3";
$music_name = "".$id.".mp3";
if(!file_exists($file)){
$url = "https://music.163.com/song/media/outer/url?id=".$id.".mp3";
$url = getrealurl($url);
if($url == "http://music.163.com/404") {
echo"<script>alert('无ID:".$id."的歌曲，请检查ID是否正确')</script>";
return true;
}
$mp3 = file_get_contents($url);
if(!empty($mp3) && !is_null(strlen($mp3))){
$fp = fopen($file, "w");
$cg = fwrite($fp,$mp3);
fclose($fp);
if(!empty($cg)){
echo"<a href='".$file."' download='".$music_name."'>资源准备好啦,戳我下载吧</a>";
}
}else{
echo"<script>alert('无ID:".$id."的歌曲，请检查ID是否正确')</script>";
}
}else{
echo"<a href='".$file."' download='".$music_name."'>资源准备好啦,戳我下载吧</a>";
}
}else{
echo "<script>alert('请输入正确的ID')</script>";
}
}else{
echo"<script>alert('ID不能为空')</script>";
}
}
function getrealurl($url,$postData = array(), $options = array()){
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HTTPHEADER,$options);
// 返回 response_header, 该选项非常重要,如果不为 true, 只会获得响应的正文
curl_setopt($ch, CURLOPT_HEADER, true);
//
// 是否不需要响应的正文,为了节省带宽及时间,在只需要响应头的情况下可以不要正文
curl_setopt($ch, CURLOPT_NOBODY, true);
// 使用上面定义的 ua
// curl_setopt($ch, CURLOPT_USERAGENT,$user_agent);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
// 不同的点 开始 为 false
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $postData);
curl_setopt($ch, CURLOPT_TIMEOUT, 30); //设置cURL允许执行的最长秒数
//https请求 不验证证书和host
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
// 不同的点 结束
$data = curl_exec($ch);
curl_close($ch);
preg_match('/location:\s+(.*?)\s+/is',$data,$urlData);
return $urlData[1];
}
?>
</p>
<blockquote class="bs-callout-info">
关于ID，请前往<a href="http://music.163.com" target="_blank">http://music.163.com</a>获取
</blockquote>
<button type="button" class="btn btn-success btn-block" data-toggle="modal" data-target=".bs-example-modal-lg">点击查看获取歌曲ID的方法</button>
<div class="modal fade bs-example-modal-lg" tabindex="-1" role="dialog" aria-labelledby="myLargeModalLabel">
<div class="modal-dialog modal-lg" role="document">
<div class="modal-content">
<h4 class="text-center" style="font-weight:bold;">获取ID方法</h4><hr/>
<p class="" style="font-size:20px;">前往网易云音乐(<a href="http://music.163.com" target="_blank">http://music.163.com</a>)搜索想要下载的歌曲，进入歌曲页面，在地址栏查看歌曲的ID，复制过来就好啦~</p>
<img src="./wyy.png" alt="id示例" width="100%"/>
</div>
</div>
</div>
</div>
</div>
</body>
<script>
var aBtn = document.getElementsByTagName("button")[0]
var aP = document.getElementsByTagName("p")[0]
aBtn.onclick = function(){
aP.innerHTML = "<span class='glyphicon glyphicon-cd'>正在准备资源,请稍等....</span>"
}
</script>
</html>