Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Welcome To Ask or Share your Answers For Others

Categories

0 votes
3.8k views
in Technique[技术] by (71.8m points)

react16中升级getDerivedStateFromProps的写法

componentWillReceiveProps的写法是这样的
image.png
在文档中发现getDerivedStateFromProps无法访问this, 请问如果我要给一个表单设置值的话要怎么样修改


与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome To Ask or Share your Answers For Others

1 Answer

0 votes
by (71.8m points)

getDerivedStateFromProps是静态方法 访问不了this的 改动前后的props都在参数里


与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

2.1m questions

2.1m answers

60 comments

57.0k users

...