通过ajax传递Blob生成文件 [英] Pass Blob through ajax to generate a file

问题描述

我正在尝试捕获音频记录器(https://github.com/cwilso/AudioRecorder)并通过 Ajax 向 blob 发送一个 php 文件，该文件将接收 blob 内容并创建文件(在本例中为波形文件).

I'm trying to capture audiorecorder (https://github.com/cwilso/AudioRecorder) and send the blob through Ajax a php file, which will receive the blob content and create the file(the wave file in this case).

Ajax 调用:

audioRecorder.exportWAV(function(blob) {
      var url = (window.URL || window.webkitURL).createObjectURL(blob);
      console.log(url);
      var filename = <?php echo $filename;?>;
      $.ajaxFileUpload({
        url :  "lib/vocal_render.php",
        secureuri      :false,
        dataType : blob.type,
        data: blob,
        success: function(data, status) {
          if(data.status != 'error')
            alert("boa!");
        }
      });
    }); 

和我的 php 文件 (vocal_render.php):

and my php file (vocal_render.php):

<?php 

if(!empty($_POST)){
    $data = implode($_POST); //transforms the char array with the blob url to a string
    $fname = "11" . ".wav";

    $file = fopen("../ext/wav/testes/" .$fname, 'w');
    fwrite($file, $data);
    fclose($file);
}?>

P.S:我是 blob 和 ajax 的新手.提前致谢.

P.S:I'm newbie with blobs and ajax. Thanks in advance.

推荐答案

尝试将文件作为表单数据上传

Try uploading the file as form data

audioRecorder.exportWAV(function(blob) {

      var url = (window.URL || window.webkitURL).createObjectURL(blob);
      console.log(url);

      var filename = <?php echo $filename;?>;
      var data = new FormData();
      data.append('file', blob);

      $.ajax({
        url :  "lib/vocal_render.php",
        type: 'POST',
        data: data,
        contentType: false,
        processData: false,
        success: function(data) {
          alert("boa!");
        },    
        error: function() {
          alert("not so boa!");
        }
      });
}); 

.

<?php 

if(isset($_FILES['file']) and !$_FILES['file']['error']){
    $fname = "11" . ".wav";

    move_uploaded_file($_FILES['file']['tmp_name'], "../ext/wav/testes/" . $fname);
}
?>

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