问题
How do I manage to customize that message which the placeholder is "Write Something" when I click a Facebook Share button?
回答1:
Few months ago such possibility has been removed from the FB API. So you just cannot
All the possible parameters you can found at: http://developers.facebook.com/docs/reference/dialogs/feed/
来源：https://stackoverflow.com/questions/9591655/customize-message-field-on-facebook-share