vuex 支持延迟生成store #798
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vuex 支持延迟生成store #798
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场景： 组件树：(R为根组件；C1为R的子组件；C11、C12为C1的子组件， C11，C12下面还有很多下层组件) R |___C1 |____C11 |____C12 |___C1 |____C11 |____C12 |___C1 |____C11 |____C12 C1的每个实例的数据显示是不一样的， 如果使用props传递数据，将会导致所有组件的实例要知道自己的index，不然不知道去修改哪个state。如果vuex支持延时创建store，那么在C1 上面延时生成store，下层组件使用$store的时候，不需要关心当前是哪个store的。
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"如果vuex支持延时创建store，那么在C1 上面延时生成store，下层组件使用$store的时候，不需要关心当前是哪个store的。"这句话是什么意思？ ps：I suggest u to write in Englist, cause mamy developers are foreigners |
yyx990803
reviewed
May 24, 2017
src/mixin.js
Outdated
| @@ -24,6 +24,9 @@ export default function (Vue) { | |||
| const options = this.$options | |||
| // store injection | |||
| if (options.store) { | |||
| if (typeof options.store === 'function') { | |||
| options.store = options.store() | |||
| } | |||
There was a problem hiding this comment.
We can just do
this.$store = typeof options.store === 'function'
? options.store()
: options.store
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场景：
组件树：(R为根组件；C1为R的子组件；C11、C12为C1的子组件， C11，C12下面还有很多下层组件)
R
|___C1
|____C11
|____C12
|___C1
|____C11
|____C12
|___C1
|____C11
|____C12
C1的每个实例的数据显示是不一样的， 如果使用props传递数据，将会导致所有组件的实例要知道自己的index，不然不知道去修改哪个state。如果vuex支持延时创建store，那么在C1 上面延时生成store，下层组件使用$store的时候，不需要关心当前是哪个store的。