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如果调度了一个动作，是否会调用每个Redux减速器？

[英]Will every Redux reducer be called if an action is being dispatched?

原文 2016-01-26 21:06:20 4 1 javascript/ reactjs/ redux

a simple question about redux. 一个关于redux的简单问题。 Is it true that if an action has been dispatched, each and every reducer is being called? 的确，如果已经调度了一个动作，那么每个缩减器都会被调用？ I don't have the ability to specify one reducer function for a specific action but need to check for the action type within the reducer. 我无法为特定动作指定一个reducer函数，但需要检查reducer中的动作类型。

Is this correct? 这个对吗？ How do you guys take care of your reducers? 你们如何保养减速机？ Sounds to me like those functions will get pretty messy..? 在我看来，这些功能会变得非常混乱。

1 个解决方案

Yes, every reducer is called. 是的，每个减速器都被调用。

It doesn't get messy as reducers without actions will just default to the switch default case. 它不会变得混乱，因为没有动作的减速器只会默认为switch default情况。 So you don't even have to worry about it. 因此，您甚至不必担心。

You can also use combineReducers to split your reducers in multiple functions. 您还可以使用CombineReducers将减速器拆分为多个功能。

调度动作后未调用Reducer - Reducer not called after action is dispatched

Redux reducer没有被调用 - Redux reducer not being called

Redux Reducer-正在分派但未保存到状态的对象数组 - Redux Reducer - Array of objects being dispatched but not being saved to state

Redux减速器被两次调用 - Redux reducer being called twice

调度动作时未调用redux connect mapStateToProps - redux connect mapStateToProps not called when action is dispatched

动作没有传递给reducer - Redux - Action not being passed to the reducer - Redux

Redux - 动作被调度，但不适用于减速器 - Redux - action gets dispatched, but doesn't work with the reducer

即使在分派动作并接收到有效负载后，Reducer也不被调用 - Reducer is not called even after action is dispatched and payload is received

收听Redux中已调度的动作 - Listen for dispatched action in Redux

为什么 Redux 减速器被称为减速器？ - Why is a Redux reducer called a reducer?

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相关问题 调度动作后未调用Reducer - Reducer not called after action is dispatched Redux reducer没有被调用 - Redux reducer not being called Redux Reducer-正在分派但未保存到状态的对象数组 - Redux Reducer - Array of objects being dispatched but not being saved to state Redux减速器被两次调用 - Redux reducer being called twice 调度动作时未调用redux connect mapStateToProps - redux connect mapStateToProps not called when action is dispatched 动作没有传递给reducer - Redux - Action not being passed to the reducer - Redux Redux - 动作被调度，但不适用于减速器 - Redux - action gets dispatched, but doesn't work with the reducer 即使在分派动作并接收到有效负载后，Reducer也不被调用 - Reducer is not called even after action is dispatched and payload is received 收听Redux中已调度的动作 - Listen for dispatched action in Redux 为什么 Redux 减速器被称为减速器？ - Why is a Redux reducer called a reducer?

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