早期接触的项目中,聊天界面关于多类型Cell的实现,基本有两种
1.一个父Cell,对应的xib集中了所有子Cell的元素,子Cell继承,没有xib 2.纯代码构建,
一直对于xib的继承有些困惑,看了新项目中的实现,写了Demo,步骤
1)父Cell没有xib,但是有IBOutlet来声明公共元素 2)子Cell继承父Cell,有对应的xib,但是xib中有父Cell的所有UI元素,这些UI元素不用拉线,可以自动对应上
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