button、label、textfield、页面跳转、传值

 1 1.AppDelegate.m
 2 
 3 #import “OneViewController.h”
 4 //一打开就运行的
 5 -(BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
 6 {
 7     self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen]bounds]];
 8     OneViewController *oneController = [[OneViewController alloc] init];
 9     [self.window setRootViewController:oneController];
10     [self.window makeKeyAndVisible];
11     return YES;
12 }
13 
14 2.OneViewController.m
15 
16 #import “TwoViewController.h”
17 -(void)viewDidLoad
18 {
19 [super viewDidLoad];
20 self.view.backgroundColor = [UIColor orangeColor];
21 
22 [self OneButton];
23 }
24 //添加button
25 #pragma mark – Button
26 -(void)OneButton
27 {
28     UIButton *myButton = [[UIButton alloc] init];
29     myButton.frame = CGRectMake(120,300,90,35);
30     myButton.backgroundColor = [UIColor grayColor];
31     [myButton setTitle:”确定” forState:UIControlStateNormal];
32     [self.view.addSubview:myButton];
33 //addSubview: 添加一个视图对接收者的子视图列表。
34     [myButton addTarget:self action:@selector(ClickMyButton) forControlEvents:UIControlEventTouchUpInside];
35 //addTarget: 将目标对象和动作方法与控制关联。
36 }
37 //Button点击事件
38 #pragma mark - Button
39 -(void)ClickButton
40 {
41     TwoViewController *two = [[TwoViewController alloc] init];
42     //跳转到下一页面    
43 　　[self presentViewController:two animated:YES completion:nil];
44 }
45 //跳转到上一页面
46 [self dismissViewControllerAnimated:YES completion:nil];
47 
48 3.Label
49 
50 [self label1];
51 
52 -(void)Label
53 {
54     UILabel *label1 = [[UILabel alloc] initWithFrame:CGRectMake(1,2,3,4)];
55     label1.backgroundColor = [UIColor whiteColor];
56     label1.text = @”显示”;
57     label1.textColor = [UIColor blackColor];
58     [self.view addSubview:label1];
59 }
60 
61 4.TextField
62 
63 [self _text];
64 
65 -(void)TextField
66 {
67     _text = [[UITextField alloc] initWithFrame:CGRectMake(1,2,3,4)];
68     _text.borderStyle = UITextBorderStyleRoundedRect;
69     _text.backgroundColor = [UIColor whiteColor];
70     _text.placeholder = @”请输入密码”;
71     _text.textColor = [UIColor blackColor];
72     _text.keyboardType = UIKeyboardTypeDefault;
73     _text.returnKeyType = UIReturnKeyGo;
74     [self.view addSubview:_text];
75 }