FACEBOOK JS SDK ::如何在墙上发布图像

  window.fbAsyncInit = function() {
    FB.init({
      appId      : '{your-app-id}',
      cookie     : true,
      xfbml      : true,
      version    : '{api-version}'
    });

    FB.AppEvents.logPageView();

  };

  (function(d, s, id){
     var js, fjs = d.getElementsByTagName(s)[0];
     if (d.getElementById(id)) {return;}
     js = d.createElement(s); js.id = id;
     js.src = "https://connect.facebook.net/en_US/sdk.js";
     fjs.parentNode.insertBefore(js, fjs);
   }(document, 'script', 'facebook-jssdk'));
</script>

<form id="upload-form">
 <input type="file" id="file-input" />
 <button type="submit">上传图片</button>
</form>

document.getElementById('upload-form').addEventListener('submit', function(event) {
  event.preventDefault();

  var fileInput = document.getElementById('file-input');
  var file = fileInput.files[0];

  var formData = new FormData();
  formData.append('file', file);

  FB.api('/me/photos', 'POST', {
    access_token: '{user-access-token}',
    url: formData
  }, function(response) {
    if (response && !response.error) {
      console.log('Photo uploaded successfully.');
    } else {
      console.log('Error uploading photo: ' + response.error.message);
    }
  });
});