Create counter-React,Redux and react-redux #6
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将第三章3.9.4的代码完成了,并进行了扩展:
1、初始状态不只是value,还有一个star,即将状态设置为一个对象,可以传递多个值
2、reducers函数用Object.assign(),帮助初学者理解redux的不可改变性
3、丰富了计数器的功能,帮助初学者理解怎样哪些属性是ocunter组件自己的,哪些是通过容器组件得到的