nl_tokens: 获取 Bucket 的 地域信息
pl_tokens: function getBucketLocation ( params , callback ) { submitRequest . call ( this , { <mask> : 'name/cos:GetBucketLocation' , method : 'GET' , Bucket : params . Bucket , Region : params . Region , headers : params . Headers , action : 'location' , } , function ( err , data ) { if ( err ) { return callback ( err ) ; } callback ( null , data ) ; } ) ; }