单个通知到多个对象？ [英] Single Notification to multiple objects?

问题描述

有没有方法发布单一通知，并有两个不同的对象执行两种不同的方法？

Is there a way to post single notification and have two different objects execute two different methods?

[[NSNotificationCenter defaultCenter] postNotificationName:@"locationAdded" object:nil];

OBJECT ONE ：

[[NSNotificationCenter defaultCenter] addObserver:self 
                                         selector:@selector(reloadAnnotations:) 
                                             name:@"locationAdded" 
                                           object:nil];

OBJECT TWO ：

[[NSNotificationCenter defaultCenter] addObserver:self 
                                         selector:@selector(reloadAnnotations:) 
                                             name:@"locationAdded" 
                                           object:nil];

。
。
。

. . .

或者我怀疑我需要发布两个独立的通知， / p>

Or as I suspect would I need to post two separate notifications with unique names (i.e.)

[[NSNotificationCenter defaultCenter] postNotificationName:@"updateTable" object:nil];
[[NSNotificationCenter defaultCenter] postNotificationName:@"updateMapView" object:nil];

推荐答案

通知会传递给每个观察者，在发布之前添加。
所以你只需要一个通知。选择器可以不同。

The notification gets delivered to each observer, which has been added before posting it. So you need only a single notification. The selectors can be different.

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