javascript - Sending Audio file/blob from UI to Servlet for saving at server. -

we trying send our audio file ui side using following code

var url = (window.url || window.webkiturl).createobjecturl(blob); var link = document.getelementbyid("save"); link.href = url; link.download = filename || 'output.wav';  var fd = new formdata();   fd.append('fname', 'sample1.wav');   fd.append('data', blob);   $.ajax({       type: 'post',       url: 'audiototext',       data: fd,       processdata: false,       contenttype: "audio/wav"   }); 

but unable process in servlet. can me javascript code send audio file servet , servlet code save audio fie in servlet. in advance.

good day

you can use plugin fileupload

https://github.com/blueimp/jquery-file-upload

there quite full instruction how use spring , ajax:

http://krams915.blogspot.ru/2012/06/file-upload-with-spring-and-jquery-part_2793.html (from wiki of plugin)

quick tutorial (don't forget include plugin)
html code:

<label>name</label>     <form name="fileupload" method="post" class="newsongupload" action="upload.new.song" id="uploadnewfile">     <!--in action - url --!>                     <input type="text" name="songname">                         <i class="glyphicon glyphicon-plus"></i>                             <input type="file" name="files" id="upload-new-document" accept="your accept here">            </form> </div>    

js code:

$(function () {             $('.newsongupload').fileupload({                 multipart: true,                 datatype: 'json'//actually enough plugin works                 //you can write happen after loading in done:yourcode , accept in accept:your types             })         }); 

java spring code:

  @requestmapping(value = {"/upload.new.song"}, method = requestmethod.post) public @responsebody hashmap<string, string> uploadnewsong(httpservletresponse response,                                  @requestparam("file") multipartfile file){ //your code file here can save database or file system file.getbytes() function } 

i hope it'll you