摘要:
1.属性传值和协议传值 1 #import "RootViewController.h" 2 #import "SecondViewController.h" 3 #warning 第四步:签订协议 4 @interface RootViewController ()<SecondViewContr 阅读全文
摘要:
1 #import "ViewController.h" 2 3 int age = 18; 4 typedef int(^MaxBlock)(int,int); 5 @interface ViewController () 6 7 @end 8 9 @implementation ViewCont 阅读全文