#import "ViewController.h"
#import "CompanyViewController.h"
#import "ResultViewController.h"
@interface ViewController ()
{
CompanyViewController *_company;
ResultViewController *_result;
}
@end
@implementation ViewController
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
//创建2个视图控制器
_company = [[CompanyViewController alloc]init];
_result = [[ResultViewController alloc]init];
//将他们的view添加到当前视图控制器中
[self.view addSubview:_result.view];
[self.view addSubview:_company.view];
//屏幕高度
CGFloat height = [UIScreen mainScreen].bounds.size.height;
//2个button
for (int i = 0; i<2; i++) {
UIButton *btn = [UIButton buttonWithType:UIButtonTypeSystem];
btn.frame = CGRectMake(170*i, height-40, 150, 40);
if (!i) {
[btn setTitle:@"company" forState:UIControlStateNormal];
} else {
[btn setTitle:@"result" forState:UIControlStateNormal];
}
btn.tag = 100+i;
btn.backgroundColor = [UIColor cyanColor];
[btn addTarget:self action:@selector(btnClick:) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:btn];
}
}
//button点击事件
- (void)btnClick:(UIButton *)sender
{
//点击公司按钮就将结果页放到下面
//点击结果按钮就将公司页放到下面
if (sender.tag == 100) {
NSLog(@"company");
[self.view sendSubviewToBack:_result.view];
} else {
NSLog(@"result");
//点击结果页的时候刷新界面界面
[_result refreshData];
[self.view sendSubviewToBack:_company.view];
}
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end
#import "CompanyViewController.h"
#import "AppDelegate.h"
@interface CompanyViewController ()
@end
@implementation CompanyViewController
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
// Custom initialization
}
return self;
}
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
[self.view endEditing:YES];
}
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view.
self.view.backgroundColor = [UIColor orangeColor];
//创建3个输入框
NSArray *strArr = [NSArray arrayWithObjects:@"公司名", @"CEO", @"注册资金", nil];
for (int i = 0; i<3; i++) {
UITextField *tf = [[UITextField alloc]initWithFrame:CGRectMake(40, 80+i*60, 240, 30)];
tf.borderStyle = UITextBorderStyleRoundedRect;
tf.placeholder = strArr[i];
tf.tag = 100+i;
[self.view addSubview:tf];
}
UIButton *btn = [UIButton buttonWithType:UIButtonTypeCustom];
btn.frame = CGRectMake(200, 240, 60, 40);
btn.backgroundColor = [UIColor cyanColor];
[btn setTitle:@"保存" forState:UIControlStateNormal];
[btn addTarget:self action:@selector(btnClick) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:btn];
}
- (void)btnClick
{
NSLog(@"点击了保存按钮");
//[UIApplication sharedApplication]获取到当前应用程序，通过应用程序找到程序的代理（也就是刚开始的AppDelegate的对象）
AppDelegate *ad = [UIApplication sharedApplication].delegate;
//如果代理中保存数据的数组为空，就分配一下空间
if (!ad.dataArr) {
ad.dataArr = [NSMutableArray array];
}
UITextField *name = (UITextField *)[self.view viewWithTag:100];
UITextField *ceo = (UITextField *)[self.view viewWithTag:101];
UITextField *money = (UITextField *)[self.view viewWithTag:102];
//将3个输入框的文字转化成一个字符串
NSString *infoStr = [NSString stringWithFormat:@"公司：%@，ceo：%@，money：%@",name.text,ceo.text,money.text];
//保存到代理的数组中
[ad.dataArr addObject:infoStr];
//清空
name.text = @"";
ceo.text = @"";
money.text = @"";
[self.view endEditing:YES];
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
#import <UIKit/UIKit.h>
@interface ResultViewController : UIViewController
//对外暴露一个方法，用来刷新数据
- (void)refreshData;
@end
#import "ResultViewController.h"
#import "AppDelegate.h"
@interface ResultViewController ()
{
UILabel *_infoLabel;
}
@end
@implementation ResultViewController
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
// Custom initialization
}
return self;
}
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view.
self.view.backgroundColor = [UIColor orangeColor];
_infoLabel = [[UILabel alloc]initWithFrame:self.view.frame];
_infoLabel.numberOfLines = 0;
[self.view addSubview:_infoLabel];
}
//.h中声明的，可以在外部调用，用来刷新数据
- (void)refreshData
{
//找到应用程序的代理对象
AppDelegate *ad = [UIApplication sharedApplication].delegate;
//将代理对象的数组中保存的字符串用换行拼接成一个新的，并展示
_infoLabel.text = [ad.dataArr componentsJoinedByString:@" "];
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}