react setstate

1、prevstate参数

https://segmentfault.com/q/1010000008177874

2、不是实时渲染

http://bbs.reactnative.cn/topic/3094/%E4%B8%BA%E4%BB%80%E4%B9%88setstate%E4%B8%8D%E4%BC%9A%E9%87%8D%E6%96%B0%E6%B8%B2%E6%9F%93listview/3

https://blog.csdn.net/Chris__wang/article/details/82625933

https://blog.csdn.net/DianaGreen7/article/details/82666061

https://blog.csdn.net/Juniorselk/article/details/78455422

3、