我一直在尝试使用来自我的远程服务器的源.mp3文件创建音频元素。但我得到了这个错误:
No 'Access-Control-Allow-Origin' header is present on the requested resource.
经过一番研究后,我配置了我的远程服务器的.htaccess文件,以便接受cors请求。
但是我无法弄清楚如何告诉javascript获取远程mp3文件并将其作为我的音频元素的源。我怎样才能实现它?
.htaccess文件:
Handling Options for the CORS
RewriteCond %{REQUEST_METHOD} OPTIONS
RewriteRule ^(.*)$ $1 [L,R=204]
Header set X-Content-Type-Options "nosniff"
Header set X-XSS-Protection "1; mode=block"
# Always set these headers for CORS.
Header always set Access-Control-Max-Age 1728000
Header always set Access-Control-Allow-Origin: "*"
Header always set Access-Control-Allow-Methods: "GET,POST,OPTIONS,DELETE,PUT"
Header always set Access-Control-Allow-Headers: "DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,C$
Header always set Access-Control-Allow-Credentials true
我试过的html文件:
<a href="#" onclick="makeCorsRequest(); return false;">Run Sample</a>
<audio id="audio" controls="controls"></audio>
<script type="text/javascript">
// Create the XHR object.
function createCORSRequest(method, url) {
var xhr = new XMLHttpRequest();
if ("withCredentials" in xhr) {
// XHR for Chrome/Firefox/Opera/Safari.
xhr.open(method, url, true);
} else if (typeof XDomainRequest != "undefined") {
// XDomainRequest for IE.
xhr = new XDomainRequest();
xhr.open(method, url);
} else {
// CORS not supported.
xhr = null;
}
return xhr;
}
// Helper method to parse the title tag from the response.
function getTitle(text) {
return text.match('<title>(.*)?</title>')[1];
}
// Make the actual CORS request.
function makeCorsRequest() {
// This is a sample server that supports CORS.
var url = 'www.ttt.com/urlof_MP3.mp3';
var xhr = createCORSRequest('GET', url);
if (!xhr) {
alert('CORS not supported');
return;
}
// Response handlers.
xhr.onload = function() {
var text = xhr.responseText;
var title = getTitle(text);
alert('Response from CORS request to ' + url + ': ' + title);
};
xhr.onerror = function() {
alert('Woops, there was an error making the request.');
};
xhr.send();
var audio = document.getElementById("audio");
audio.src = xhr.responseText;
}
</script>
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