December 2017
Intermediate to advanced
329 pages
6h 9m
Chinese
Content preview from React学习手册
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184
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第
8
章
},
{
"id": "58d9caee-6ea6-4d7b-9984-65b145031979",
"title": "Lawn",
"color": "#67bf4f",
"rating": 1,
"timestamp": "Thu Mar 10 2016 01:11:12 GMT-0800 (PST)"
},
{
"id": "a5685c39-6bdc-4727-9188-6c9a00bf7f95",
"title": "Party Pink",
"color": "#ff00f7",
"rating": 5,
"timestamp": "Wed Mar 9 2016 03:26:00 GMT-0800 (PST)"
}
],
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}
现在我们已经确定了应用程序
State
的基本结构，接下来看看如何通过
Action
更新和修
改这些
State
。
Action
在上一节中，我们介绍了一个非常重要的
Redux
规则：应用程序的
State
应该存放在单
个不可变对象中。不可变意味着这个
State
对象无法变更。最终我们将会通过整体替换
的方式更新这个
State
对象。为此，我们需要获得具体的变更指令。这也是
Action
提供
的内容：需要变更应用程序
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