用户通过您的应用登录Facebook后，现在该在上获取您请求的数据了FBButton.readPermissions。
迅速：
enum FacebookParametesField : String
{
case FIELDS_KEY = "fields"
case FIELDS_VALUE = "id, email, picture, first_name, last_name"
}
if FBSDKAccessToken.currentAccessToken() != nil
{
// 获取用户Facebook数据
FBSDKGraphRequest(graphPath: "me",
parameters: [FacebookParametesField.FIELDS_KEY.rawValue : FacebookParametesField.FIELDS_VALUE.rawValue])
.startWithCompletionHandler({ (graphConnection : FBSDKGraphRequestConnection!, result : AnyObject!, error : NSError!) -> Void in
if error == nil
{
print("Facebook Graph phaze")
let email = result["email"]
let facebookToken = FBSDKAccessToken.currentAccessToken().tokenString
let userFacebookId = result["id"]
let firstName = result["first_name"]
let lastName = result["last_name"]
if let result = result as? Dictionary<String, AnyObject>
{
if let picture = result["picture"] as? Dictionary<String,AnyObject>
{
if let data = picture["data"] as? Dictionary <String,AnyObject>
{
if let url = data["url"] as? String
{
// 个人资料图片网址
let profilePictureURL = url
}
}
}
}
}
})
}