/*XXXViewController.h*/
// 枚举的创建
typedef NS_ENUM(NSInteger, lastVC) {
OTHERVC, // 其他界面
HOMEVC // 首页进来
};
@property (nonatomic,assign)lastVC lastVc;
// 枚举的使用
XXXViewController * xx = [[XXXViewController alloc]init];
xx.lastVC = HOMEVC;
[self.navigationController pushViewController: xx animated:YES];
/*XXXViewController.m*/
if (_lastVc == HOMEVC) {
[self dismissViewControllerAnimated:YES completion:^{
}];
}else{
[self.navigationController popViewControllerAnimated:YES];
}
