- 第一种方法:
(1)从viewController跳转到SecondviewController
SecondViewController *secondView=[SecondViewController alloc];
[self presentViewController:secondView animated:YES completion:nil];
(2)从SecondviewController返回viewController
[self dismissViewControllerAnimated:NO completion:nil];
- 第二种方法(self.navigationController):
(1)从viewController跳转到SecondviewController
SecondviewController *svc = [[SecondviewController alloc] init];
//打开新界面 打开用push 返回pop
[self.navigationController pushViewController:svc animated:YES];
(2)从SecondviewController返回viewController
// 获取之前的界面的指针
NSArray *array = ws.navigationController.viewControllers;
[ws.navigationController popToViewController:array[0] animated:YES];
//切换到导航控制器管理的第一个界面
//[ws.navigationController
popToRootViewControllerAnimated:YES];
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