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  1. func homeHandler(w http.ResponseWriter, req *http.Request) {
  2.   w.Header().Set("Content-Type", "text/html")
  3.   var text = `
  4. <!DOCTYPE html>
  5. <html>
  6. <head>
  7. <script src='http://a...content-available-to-author-only...s.com/ajax/libs/jquery/1.11.2/jquery.min.js'></script>
  8. <script type="text/javascript">
  9. var fileName = '';
  10. function fileSelected() {
  11.   try {
  12.     var file = document.getElementById('TheFile').files[0];
  13.     if (file) {
  14.       fileName = file.name;
  15.     }
  16.   } catch(err) {
  17.     //nothing
  18.   }
  19.   uploadFile();
  20. }
  21.  
  22. function uploadFile() {
  23.   try {
  24.     var fd = new FormData();
  25.     fd.append("TheFile", document.getElementById('TheFile').files[0]);
  26.     var xhr = new XMLHttpRequest();
  27.     xhr.upload.addEventListener("progress", uploadProgress, false);
  28.     xhr.addEventListener("load", uploadComplete, false);
  29.     xhr.addEventListener("error", uploadFailed, false);
  30.     xhr.addEventListener("abort", uploadCanceled, false);
  31.     xhr.open("POST", "/upload");
  32.     xhr.onreadystatechange = function() {
  33.       if (xhr.readyState == 4 && xhr.status == 200) {
  34.         mycallback(xhr.responseText); // Another callback here
  35.       }
  36.     };
  37.     xhr.send(fd);
  38.   } catch(err) {
  39.     document.getElementById("fileForm").submit();
  40.   }
  41. }
  42.  
  43. function mycallback(data) {
  44.   //alert(data);
  45.   $('#result').html(data);
  46. }
  47.  
  48. function uploadProgress(event) {
  49.   //if (evt.lengthComputable) {
  50.   //  var percentComplete = Math.round(event.loaded * 100 / event.total);
  51.   //  document.getElementById('progressNumber').innerHTML = percentComplete.toString() + '%';
  52.   //}
  53. }
  54.  
  55. function uploadComplete(event) {
  56.   //document.getElementById('progressNumber').innerHTML = 'Upload Complete for ' + fileName;
  57. }
  58.  
  59. function uploadFailed(event) {
  60.   //document.getElementById('progressNumber').innerHTML = 'Error';
  61. }
  62.  
  63. function uploadCanceled(event) {
  64.   //document.getElementById('progressNumber').innerHTML = 'Upload canceled';
  65. }
  66. </script>
  67.  
  68. </head>
  69. <body>
  70. <input type="file" name="TheFile" id="TheFile" onchange="fileSelected()" style="width: 600px; height: 40px; background: white;"><BR>
  71. <div id="progressNumber"></div>
  72. <div id='result'></div>
  73. </body>
  74. </html>
  75.   `
  76.   w.Write([]byte(text))
  77. }
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https://ideone.com/ADy1Wn
language:
Text (text 6.10)
created:
8 years ago
visibility:
public

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