/**
push
A------>C
pop
C------>B
pop
B------>A
*/
BViewController *controller = [[BViewController alloc] init];
[self.controllers insertObject:controller atIndex:1];
[self.navigationController setViewControllers:self.controllers];
/**
push
A------>C
pop
C------>B
pop
B------>A
*/
BViewController *controller = [[BViewController alloc] init];
[self.controllers insertObject:controller atIndex:1];
[self.navigationController setViewControllers:self.controllers];
本文标题:A---push--->C C---pop---&
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