https://api.flattr.com/rest/v2/users/:der_michael{"error":"not_found","error_description":"The requested user could not be found","error_uri":"http:\/\/developers.flattr
这个错误{"error":"flattr_once","error_description":"You are not allowed to flattr this thing more than oncethis period","error_uri":"http:\/\/developers.flattr.net\/api"}就是一个很好的例子。文档中没有提到这一点,但应用程序需要理解这一