iOS--xuer（registration）

这个登录页面包含了自适应屏幕的大小，数字用户登录键盘是数字键盘、隐藏键盘、隐藏密码等等。

ViewController.h

---

#import <UIKit/UIKit.h>
#import "UIViewExt.h"
@interface ViewController : UIViewController<UITextFieldDelegate>
/**
 *  背景图片
 */
@property(strong,nonatomic) UIImageView *Imagebackgroud;
/**
 *  用户名输入框
 */
@property(strong,nonatomic) UITextField *NameTextfild;
/**
 *  密码输入框
 */
@property(strong,nonatomic) UITextField *PasswordTextfild;
/**
 *  登录按钮
 */
@property(strong,nonatomic) UIButton *LoginButton;
/**
 *  注册按钮
 */
@property(strong,nonatomic) UIButton *RegistrationButton;

@end

ViewController.m

---

#import "ViewController.h"
#define WIDTH   self.view.width
#define HEIGHT  self.view.height

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    [self setBackgroudImage];
    [self setLoginImage];
    [self setTextFiled];
    [self setButton];
}
#pragma Mark - 设置背景图的方法
-(void)setBackgroudImage
{
    self.Imagebackgroud=[[UIImageView alloc] initWithFrame:self.view.frame];
    [self.Imagebackgroud setImage:[UIImage imageNamed:@"beijing"]];
    [self.view addSubview:self.Imagebackgroud];
}

#pragma Mark - 设置输入框
-(void)setTextFiled
{
    // 用户名输入框设置
    self.NameTextfild=[[UITextField alloc] initWithFrame:CGRectMake(WIDTH *0.1, HEIGHT *0.2, WIDTH*0.8, HEIGHT*0.05)];
    self.NameTextfild.backgroundColor=[UIColor clearColor];
    self.NameTextfild.placeholder=@"请输入手机号";
    // 设置输入键盘为数字键盘
    self.NameTextfild.keyboardType=UIKeyboardTypeNumberPad;
    // 设置输入框内的图标  默认为不显示
    self.NameTextfild.leftView=[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"phoneIcon"]];
    self.NameTextfild.leftViewMode=UITextFieldViewModeAlways;
    [self.view addSubview:self.NameTextfild];
    // 设置用户名输入框下的线
    UIView *Nameview=[[UIView alloc]initWithFrame:CGRectMake(WIDTH *0.1, HEIGHT *0.2+HEIGHT*0.05,WIDTH*0.8, 1)];
    Nameview.backgroundColor=[UIColor whiteColor];
    [self.view addSubview:Nameview];

    // 密码输入框设置
    self.PasswordTextfild=[[UITextField alloc] initWithFrame:CGRectMake(WIDTH *0.1,HEIGHT*0.2+HEIGHT*0.06, WIDTH*0.8, HEIGHT*0.05)];
    self.PasswordTextfild.backgroundColor=[UIColor clearColor];
    self.PasswordTextfild.placeholder=@"请输入密码";
    // 设置输入密码保护（隐藏密码）
    self.PasswordTextfild.secureTextEntry=YES;
    // 设置单击return隐藏键盘需要代理
    self.PasswordTextfild.delegate=self;
    // 设置输入框内的图标  默认为不显示
    self.PasswordTextfild.leftView=[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"passwordIcon"]];
    self.PasswordTextfild.leftViewMode=UITextFieldViewModeAlways;
    [self.view addSubview:self.PasswordTextfild];
    // 设置密码输入框下的线
    UIView *Passwordview=[[UIView alloc]initWithFrame:CGRectMake(WIDTH *0.1,HEIGHT*0.31,WIDTH*0.8, 1)];
    Passwordview.backgroundColor=[UIColor whiteColor];
    [self.view addSubview:Passwordview];
}

#pragma Mark -按钮设置方法
-(void)setButton
{
    // 登录按钮设置
    self.LoginButton=[[UIButton alloc] initWithFrame:CGRectMake(WIDTH *0.1, HEIGHT*0.35, WIDTH *0.8, HEIGHT * 0.08)];
    [self.LoginButton setBackgroundImage:[UIImage imageNamed:@"loginButton"] forState:UIControlStateNormal];
    [self.LoginButton setTitle:@"登录" forState:UIControlStateNormal];
    [self.view addSubview:self.LoginButton];

    // 注册按钮设置
    self.RegistrationButton=[[UIButton alloc] initWithFrame:CGRectMake(WIDTH *0.1, HEIGHT * 0.45, WIDTH *0.8, HEIGHT * 0.08)];
    [self.RegistrationButton setBackgroundImage:[UIImage imageNamed:@"rigisterButton"] forState:UIControlStateNormal];
    [self.RegistrationButton setTitle:@"注册" forState:UIControlStateNormal];
    [self.RegistrationButton setTitleColor:[UIColor colorWithRed:0.115 green:0.749 blue:0.769 alpha:1.000] forState:UIControlStateNormal];
    [self.view addSubview:self.RegistrationButton];

}

#pragma Mark  - logo图片设置
-(void)setLoginImage
{
    // 欢迎图片设置
    UIImageView *welcomeView=[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"welcome"]];
    welcomeView.frame=CGRectMake(WIDTH *0.1, HEIGHT*0.05, WIDTH *0.8, HEIGHT *0.08);
    [self.view addSubview:welcomeView];

    // logo图片设置
    UIImageView *LogoView=[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"logo"]];
    LogoView.frame=CGRectMake(WIDTH*0.4, HEIGHT-HEIGHT*0.08, WIDTH*0.2, HEIGHT*0.03);
    [self.view addSubview:LogoView];

}
#pragma Mark - 设置键盘的隐藏
/**
 *  单击空白处隐藏键盘
 *
 *  @param touches 空白处
 *  @param event   单击
 */
-(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{
    if ([self.NameTextfild isFirstResponder]||[self.PasswordTextfild isFirstResponder]) {
        [self.NameTextfild resignFirstResponder];
        [self.PasswordTextfild resignFirstResponder];
    }
}

/**
 *  单击return隐藏键盘
 */
-(BOOL)textFieldShouldReturn:(UITextField *)textField
{
    [self.PasswordTextfild resignFirstResponder];
    return YES;
}
...
@end

运行效果图：

2016-04-06 22:22:01