[UITextField addTarget:self action:@selector(textFieldChanged:) forControlEvents:UIControlEventEditingChanged];
#import "ViewController.h"
@interface ViewController ()
@property (weak, nonatomic) IBOutlet UITextField *textF;
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
[self.textF addTarget:self action:@selector(hehe:) forControlEvents:UIControlEventEditingChanged];
}
- (void)hehe:(UITextField *)tf{
NSString *str = tf.text;
NSLog(@"%@",str);
}
@end