问题描述
正如问题的标题所提到的:"cellForRowAtIndexPath" 和 "willDisplayCell: forRowAtIndexPath:" 有什么区别?`
Just as the question's title mentions:What's the difference between "cellForRowAtIndexPath" and "willDisplayCell: forRowAtIndexPath:"?`
我认为可以在 cellForRowAtIndexPath 或 willDisplayCell: forRowAtIndexPath:" 中完成单元格配置！
I think cell configuration can be done either in cellForRowAtIndexPath or willDisplayCell: forRowAtIndexPath:"!
推荐答案
你说得对，单元格配置(理论上)可以在两种方法中完成.
You are right, cell configuration can (in theory) be done in both methods.
然而，几乎所有的UITableView 都有一个实现了cellForRowAtIndexPath: 的数据源(它是协议中的必需方法).另一方面，willDisplayCell:forRowAtIndexPath:(这是委托的一个方法，不是数据源)是可选的.
However, almost all UITableView have a data source which implements cellForRowAtIndexPath: (it is a required method in the protocol). On the other hand, the willDisplayCell:forRowAtIndexPath: (which is a method of the delegate, not the data source) is optional.
由于配置单元格通常取决于您想要显示的数据，cellForRowAtIndexPath: 是迄今为止进行单元格配置最常见的地方.(我什至不记得使用了 willDisplayCell:forRowAtIndexPath:).
As configuring a cell is usually dependent on the data you want to show, cellForRowAtIndexPath: is by far the most common place to do cell configuration. (I can't even remember using willDisplayCell:forRowAtIndexPath:).
@NSDeveloper:你说得对.谢谢提示.
@NSDeveloper: you're right. Thanks for the hint.
这篇关于iOS UITableView:“cellForRowAtIndexPath"和“cellForRowAtIndexPath"有什么不同?和“willDisplayCell:forRowAtIndexPath:"的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！