iOS 监听textfield的输入(转) 1:首先 [objc] view plain copy print? [textField addTarget:self action:@selector(textFieldDidChange:) forControlEvents:UIControlEventEditingChanged]; 2:其次 [objc] view plain copy print? -(void)textFieldDidChange :(UITextField *)theTextField{ NSLog( @"text changed: %@", theTextField.text); }