一：進入 http://developer.baidu.com/console#manage/apilist!

二：記錄下API Key和Secret Key

三：Server端使用百度OAuth2.0授權呼叫開放API流程
詳細文件：http://developer.baidu.com/wiki/index.php?title=docs/oauth/application

1.在瀏覽器中輸入：https://openapi.baidu.com/oauth/2.0/authorize?response_type=code&client_id={API Key}&redirect_uri=oob
2. 複製下授權碼
3. 獲取到

{
    "access_token": "1.a6b7dbd428f731035f771b8d15063f61.86400.1292922000-2346678-124328",
    "expires_in": 86400,
    "refresh_token": "2.385d55f8615fdfd9edb7c4b5ebdc3e39.604800.1293440400-2346678-124328",
    "scope": "basic email",
    "session_key": "ANXxSNjwQDugf8615OnqeikRMu2bKaXCdlLxn",
    "session_secret": "248APxvxjCZ0VEC43EYrvxqaK4oZExMB",
}

http://developer.baidu.com/wiki/index.php?title=docs/pcs/guide/token_authorize