2016-10-17 30 views

回答

1

如何:

Rx.Observable.range(1, 5) 
    // Note this value will get used for every subscription 
    // after it is defined. 
    .startWith(userDefined) 
    .bufferWithCount(2, 1) 
    .subscribe(console.log); 
+0

当然。出于某种原因,我没有想过在bufferWithCount之前尝试startWith。谢谢。 – Core

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