搜索发现这个问题,网上的解决方法不明确,对于小白怎么办
直接上代码:
- (void)viewDidLoad { [super viewDidLoad]; self.view.backgroundColor = [UIColor whiteColor]; UITextField *test = [[UITextField alloc]initWithFrame:CGRectMake(100, 59, 100, 20)]; test.placeholder = @"输入帐号"; test.secureTextEntry = YES; self.test = test; [self.view addSubview:test]; } -(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event { if (self.test.secureTextEntry) { NSString *str =self.test.text; self.test.text =@""; self.test.secureTextEntry = NO; self.test.text = str; }else{ NSString *str =self.test.text; self.test.text =@""; self.test.secureTextEntry = YES; self.test.text = str; } }