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[vue] vuex的store有几个属性值？分别讲讲它们的作用是什么？ #387

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haizhilin2013 opened this issue Jun 20, 2019 · 3 comments
Open

[vue] vuex的store有几个属性值？分别讲讲它们的作用是什么？ #387

haizhilin2013 opened this issue Jun 20, 2019 · 3 comments
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@haizhilin2013
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[vue] vuex的store有几个属性值？分别讲讲它们的作用是什么？
@haizhilin2013 haizhilin2013 added the vue vue label Jun 20, 2019
@haizhilin2013 haizhilin2013 pinned this issue Jun 26, 2019
@benmo1602
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benmo1602 commented Jul 1, 2019 •
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https://vuex.vuejs.org/zh/

state:存贮公共数据的地方
Getters：获取公共数据的地方
mutations：放的是同步的操作和reducer有点像 通过store的commit方法来让mutations执行
action：放的是异步的操作 通过dispatch的方法让action里面的方法执行
context是store的一个副本

Vuex就是提供一个仓库，store仓库里面放了很多对象其中state即使数据源存放地，

@haizhilin2013 haizhilin2013 unpinned this issue Jul 2, 2019
@WenJieLi1998
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state：存放公共数据的地方
getter：获取根据业务场景处理返回的数据
mutations：唯一修改state的方法，修改过程是同步的
action：异步处理，通过分发操作触发mutation
module：将store模块分割，减少代码臃肿

@waterkitten
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waterkitten commented Aug 7, 2020 •
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https://blog.csdn.net/szuwaterbrother/article/details/10622307
image

const moduleA = {
  state: () => ({ ... }),
  mutations: { ... },
  actions: { ... },
  getters: { ... }
}

const moduleB = {
  state: () => ({ ... }),
  mutations: { ... },
  actions: { ... }
}

const store = new Vuex.Store({
  modules: {
    a: moduleA,
    b: moduleB
  }
})

store.state.a // -> moduleA 的状态
store.state.b // -> moduleB 的状态

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@haizhilin2013 @benmo1602 @WenJieLi1998 @waterkitten