UI4_注册登录界面

//
//  ViewController.h
//  UI4_注册登录界面
//
//  Created by zhangxueming on 15/7/3.
//  Copyright (c) 2015年 zhangxueming. All rights reserved.
//

#import <UIKit/UIKit.h>
#import "RegisterViewController.h"

@interface ViewController : UIViewController <UITextFieldDelegate,SendDelegateReport>

@end

//
//  ViewController.m
//  UI4_注册登录界面
//
//  Created by zhangxueming on 15/7/3.
//  Copyright (c) 2015年 zhangxueming. All rights reserved.
//

#import "ViewController.h"
#import "RegisterViewController.h"
#import "LoginViewController.h"

@interface ViewController ()
{
RegisterViewController *regis;
}
@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.

    NSArray *textArray = @[@"用户名",@"密码"];
    NSArray *titles = @[@"注册",@"登录"];
    CGFloat size = (self.view.frame.size.width-150)/2;

    for (int i=0; i<2; i++) {
        UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(20, 100+80*i, 80, 50)];
        label.text = textArray[i];
        label.textAlignment = NSTextAlignmentCenter;
        label.font = [UIFont boldSystemFontOfSize:24];
        label.textColor = [UIColor redColor];
        //label.backgroundColor = [UIColor whiteColor];
        [self.view addSubview:label];

        UITextField *textField = [[UITextField alloc] initWithFrame:CGRectMake(100, 100+80*i, self.view.frame.size.width-120, 50)];
        textField.borderStyle = UITextBorderStyleRoundedRect;
        NSString *holder = [NSString stringWithFormat:@"请输入%@", textArray[i]];
        textField.placeholder = holder;
        textField.contentVerticalAlignment = UIControlContentVerticalAlignmentCenter;
        textField.returnKeyType = UIReturnKeyDone;
        textField.tag = 200+i;
        textField.delegate = self;
        [self.view addSubview:textField];

        UIButton *btn = [UIButton buttonWithType:UIButtonTypeSystem];
        btn.frame = CGRectMake(50+i*(size+50), 400, size, 50);
        //btn.backgroundColor = [UIColor cyanColor];
        [btn setTitle:titles[i] forState:UIControlStateNormal];
        btn.titleLabel.font = [UIFont systemFontOfSize:24];

        btn.tag = 300+i;
        [btn addTarget:self action:@selector(btnClicked:) forControlEvents:UIControlEventTouchUpInside];

        [self.view addSubview:btn];
    }

    self.view.backgroundColor = [UIColor yellowColor];
}

- (void)btnClicked:(UIButton *)btn
{
    if (btn.tag == 300) {
        //注册
        regis = [[RegisterViewController alloc] init];
         regis.delegate = self;//设置代理

//        regis.modalTransitionStyle = UIModalTransitionStyleFlipHorizontal;
//        [self presentViewController:regis  animated:YES completion:nil];

        [self.view addSubview:regis.view];
    }
    else if (btn.tag==301)
    {
        //登录
        LoginViewController *login = [[LoginViewController alloc] init];
        login.modalTransitionStyle = UIModalTransitionStyleCoverVertical;
        [self presentViewController:login animated:YES completion:nil];
    }
}
#pragma mark ---SendDelegateReport---

- (void)sendName:(NSString *)name andPassword:(NSString *)password
{
    UITextField *textField1 = (UITextField *)[self.view viewWithTag:200];
    UITextField *textField2 = (UITextField *)[self.view viewWithTag:201];
    textField1.text = name;
    textField2.text = password;
}

#pragma mark ---UITextFiledDelegate---
- (BOOL)textFieldShouldReturn:(UITextField *)textField
{
    //隐藏键盘
    [textField resignFirstResponder];
    return YES;
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

@end

//
//  RegProtocol.h
//  UI4_注册登录界面
//
//  Created by qianfeng on 15/7/4.
//  Copyright (c) 2015年 zhangxueming. All rights reserved.
//

#import <Foundation/Foundation.h>

@protocol SendDelegateReport <NSObject>
- (void)sendName:(NSString *)name andPassword:(NSString *)password;
@end

//
//  RegisterViewController.h
//  UI4_注册登录界面
//
//  Created by zhangxueming on 15/7/3.
//  Copyright (c) 2015年 zhangxueming. All rights reserved.
//

#import <UIKit/UIKit.h>
#import "SendDelegateReport.h"
//制定协议
//@protocol SendDelegateReport <NSObject>
//
//- (void)sendName:(NSString *)name andPassword:(NSString *)password;
//
//@end

@interface RegisterViewController : UIViewController <UITextFieldDelegate>

@property (assign, nonatomic) id <SendDelegateReport>delegate;

@end

//
//  RegisterViewController.m
//  UI4_注册登录界面
//
//  Created by zhangxueming on 15/7/3.
//  Copyright (c) 2015年 zhangxueming. All rights reserved.
//

#import "RegisterViewController.h"
#import "ViewController.h"
@interface RegisterViewController ()
{
    ViewController *v;
}
@end

@implementation RegisterViewController

- (void)viewDidLoad {
    [super viewDidLoad];
     v = [[ViewController alloc] init];
    // Do any additional setup after loading the view.
    NSArray *textArray = @[@"用户名",@"密码",@"邮箱"];
    for (int i=0; i<3; i++) {
        UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(20, 100+i*80, 80, 50)];
        label.text = textArray[i];
        label.textAlignment = NSTextAlignmentCenter;
        label.font = [UIFont systemFontOfSize:24];
        [self.view addSubview:label];

        UITextField *textField = [[UITextField alloc] initWithFrame:CGRectMake(100, 100+i*80, self.view.frame.size.width-120, 50)];
        textField.borderStyle = UITextBorderStyleRoundedRect;
        NSString *holder = [NSString stringWithFormat:@"请输入%@", textArray[i]];
        textField.tag = 200+i;
        textField.placeholder =holder;
        textField.returnKeyType = UIReturnKeyDone;
        textField.delegate = self;
        [self.view addSubview:textField];
    }

    CGFloat size = (self.view.frame.size.width-150)/2;
    NSArray *titles = @[@"取消",@"保存"];

    for (int i=0; i<2; i++) {
        UIButton *btn = [UIButton buttonWithType:UIButtonTypeSystem];
        btn.frame = CGRectMake(50+(size+50)*i, 400, size, 50);
        [btn setTitle:titles[i] forState:UIControlStateNormal];
        btn.titleLabel.font = [UIFont systemFontOfSize:24];
        btn.tag = 300+i;
        [btn addTarget:self action:@selector(btnClicked:) forControlEvents:UIControlEventTouchUpInside];

        [self.view addSubview:btn];
    }

    self.view.backgroundColor = [UIColor cyanColor];
}

- (void)btnClicked:(UIButton *)btn
{
    if (btn.tag==300) {
        //取消
    }
    else if(btn.tag == 301)
    {   //保存
        SEL select = NSSelectorFromString(@"sendName:andPassword:");

       // self.delegate = v;
        if ([self.delegate respondsToSelector:select]) {
            [self.delegate sendName:((UITextField *)[self.view viewWithTag:200]).text andPassword:((UITextField *)[self.view viewWithTag:201]).text];
        }
    }
     //[self dismissViewControllerAnimated:YES completion:nil];

    //[self    presentViewController:v animated:YES completion:nil];

    if([self.view superview])
    {
        [self.view removeFromSuperview];
    }
}

- (BOOL)textFieldShouldReturn:(UITextField *)textField
{
    [textField resignFirstResponder];
    return YES;
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

/*
#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
    // Get the new view controller using [segue destinationViewController].
    // Pass the selected object to the new view controller.
}
*/

@end

//
//  LoginViewController.h
//  UI4_注册登录界面
//
//  Created by zhangxueming on 15/7/3.
//  Copyright (c) 2015年 zhangxueming. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface LoginViewController : UIViewController

@end

//
//  LoginViewController.m
//  UI4_注册登录界面
//
//  Created by zhangxueming on 15/7/3.
//  Copyright (c) 2015年 zhangxueming. All rights reserved.
//

#import "LoginViewController.h"

@interface LoginViewController ()

@end

@implementation LoginViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(50,200, self.view.frame.size.width-100, 100)];
    label.text = @"登录成功";
    label.font = [UIFont italicSystemFontOfSize:35];
    label.textAlignment  = NSTextAlignmentCenter;
    label.textColor = [UIColor redColor];
    [self.view addSubview:label];

    UIButton *btn = [UIButton buttonWithType:UIButtonTypeSystem];
    btn.frame = CGRectMake(50, 400, self.view.frame.size.width-100, 50);
    [btn setTitle:@"退出登录" forState:UIControlStateNormal];
    btn.titleLabel.font = [UIFont systemFontOfSize:24];
    [btn addTarget:self action:@selector(btnClicked) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:btn];

    self.view.backgroundColor = [UIColor greenColor];
}

- (void)btnClicked
{
    [self dismissViewControllerAnimated:YES completion:nil];
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

/*
#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
    // Get the new view controller using [segue destinationViewController].
    // Pass the selected object to the new view controller.
}
*/

@end