#import "ViewController.h"
@interface ViewController ()
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
//任务:
//1.创建输入框,在屏幕中心, 宽度比屏幕小100
UITextField *tf = [[UITextField alloc] initWithFrame:CGRectMake(0, 0, [UIScreen mainScreen].bounds.size.width - 100, 40)];
[self.view addSubview:tf];
tf.center = self.view.center;
//2.文字颜色 蓝色
tf.textColor = [UIColor blueColor];
//3.字体大小 18号
tf.font = [UIFont systemFontOfSize:18];
//4.排版居右
tf.textAlignment = NSTextAlignmentRight;
//5.默认输入提示: 请输入密码
tf.placeholder = @"请输入密码";
//6.清空内容按钮, 在编辑时出现, 默认的也是这样。
tf.clearButtonMode = UITextFieldViewModeWhileEditing;
//7.键盘类型: 纯英文+符号
tf.keyboardType = UIKeyboardTypeASCIICapable;
//8.键盘样式: 黑色
tf.keyboardAppearance = UIKeyboardAppearanceDark;
//9.返回按钮: GO 默认的为return.
tf.returnKeyType = UIReturnKeyGo;
//10.内容为密文 默认的为可见的。
tf.secureTextEntry = YES;
//11.边框风格是 Line(线性的，上面的一条线细一点)风格（2.Bezel（有边框的,有灰色阴影）,3.None(没有边框的) 4. RoundedRect（圆角的）。
tf.borderStyle = UITextBorderStyleLine;
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end
