Node.js 通过websocket播放音频
我正在建立一个聊天室,如果有新消息,我希望用户收到一个声音通知。目前,我正在发送客户端将收到的所有文件,如下所示:Node.js 通过websocket播放音频,node.js,websocket,Node.js,Websocket,我正在建立一个聊天室,如果有新消息,我希望用户收到一个声音通知。目前,我正在发送客户端将收到的所有文件,如下所示: var http_files = {}; [ ["/jquery.min.js","application/javascript"], ["/css/main.css","text/css"], ["/resumesound.mp3","audio/mpeg"], <-- doesn't work ["/css/normalize.css",
var http_files = {};
[
["/jquery.min.js","application/javascript"],
["/css/main.css","text/css"],
["/resumesound.mp3","audio/mpeg"], <-- doesn't work
["/css/normalize.css","text/css"],
["/js/main.js","text/javascript"],
["/js/vendor/modernizr-2.6.2.min.js","text/javascript"],
["/chat-frontend.js","application/javascript"],
["/index.html","text/html"]
].forEach(function(fn){
http_files[fn[0]]={
content : fs.readFileSync('.'+fn[0]).toString(),
contentType : fn[1]
};
});
var server = http.createServer(function(request, response) {
// this doubles as a way to serve the files, and a connection for websocket to use
var file = http_files[request.url];
if (file) {
response.writeHeader(200,{"content-type" : file.contentType});
response.write(file.content);
return response.end();
}
response.writeHeader(404,{"content-type" : "text/plain"});
response.write("not found");
return response.end();
});
由于音频是二进制的,而不是纯文本的,所以在将文件发送给客户端之前,我必须“取消字符串化” 改变这一行就成功了:
content : fs.readFileSync('.'+fn[0]).toString(),
致:
代码:
var http_files = {};
[
["/jquery.min.js","application/javascript"],
["/css/main.css","text/css"],
["/resumesound.mp3","audio/mpeg"],
["/css/normalize.css","text/css"],
["/js/main.js","text/javascript"],
["/js/vendor/modernizr-2.6.2.min.js","text/javascript"],
["/chat-frontend.js","application/javascript"],
["/index.html","text/html"]
].forEach(function(fn){
http_files[fn[0]]={
content : fs.readFileSync('.'+fn[0]).toString(),
contentType : fn[1]
};
});
嗯,我看到一个toString()发生在二进制内容上…@Gimby哦,是的,你是对的。我甚至没想过。嗯,如果我使用二进制流,那么问题就解决了?
content : fs.readFileSync('.'+fn[0]),
var http_files = {};
[
["/jquery.min.js","application/javascript"],
["/css/main.css","text/css"],
["/resumesound.mp3","audio/mpeg"],
["/css/normalize.css","text/css"],
["/js/main.js","text/javascript"],
["/js/vendor/modernizr-2.6.2.min.js","text/javascript"],
["/chat-frontend.js","application/javascript"],
["/index.html","text/html"]
].forEach(function(fn){
http_files[fn[0]]={
content : fs.readFileSync('.'+fn[0]).toString(),
contentType : fn[1]
};
});