yibo_oo的博客

#define kIconKey @"icon" #import "ViewController.h" @interface ViewController () // 当前索引值 @property (nonatomic,assign) int index; //索引标签 @property (weak, nonatomic) IBOutlet UILabel *indexLabel; // 图像数据 @property (nonatomic, strong) NSArray *imageArray; // 图像控件 @property (weak, nonatomic) IBOutlet UIImageView *imageView; // 图像描述 @property (weak, nonatomic) IBOutlet UILabel *dscView; // 上一张按钮控件 @property (weak, nonatomic) IBOutlet UIButton *preBtn; // 下一张按钮控件 @property (weak, nonatomic) IBOutlet UIButton *nextBtn; // 上一张按钮 - (IBAction)previous; // 下一张按钮 - (IBAction)next; @end

// // ViewController.m // 04-transform // // Created by yibooo on 16/1/15. // Copyright © 2016年 yibooo. All rights reserved. // #import "ViewController.h" @interface ViewController () - (IBAction)up; - (IBAction)leftRotate; @end @implementation ViewController - (IBAction)up { // 1.取得头像按钮 UIButton *head = (UIButton *)[self.view viewWithTag:10]; // 2.每次向上移动10距离 head.transform = CGAffineTransformTranslate(head.transform, 0, -10); } - (IBAction)leftRotate { UIButton *head = (UIButton *)[self.view viewWithTag:10]; // 旋转 head.transform = CGAffineTransformRotate(head.transform, -M_PI_4); } @end

#import "ViewController.h" @interface ViewController () @property (weak, nonatomic) IBOutlet UITextField *qqField; @property (weak, nonatomic) IBOutlet UITextField *pwdField; - (IBAction)login; @end @implementation ViewController - (IBAction)login { NSLog(@"QQ号是：%@, 密码是：%@", self.qqField.text, self.pwdField.text); } @end

// 1.创建按钮 UIButton *btn = [[UIButton alloc] init]; // 2.添加按钮 [self.view addSubview:btn]; // 3.设置frame btn.frame = CGRectMake(50, 50, 100, 100); // 4.设置背景图片 // 4.1通过文件名加载图片(凡事PNG图片，不用加拓展名) UIImage *normal = [UIImage imageNamed:@"btn_01"]; // 4.2设置普通状态下的背景图片 [btn setBackgroundImage:normal forState:UIControlStateNormal];

@interface ViewController () // 头像 @property (nonatomic, weak) IBOutlet UIButton *head; // 移动 - (IBAction)move:(UIButton *)btn; // 放大 - (IBAction)big; // 缩小 - (IBAction)small; @end

简单的加法计算器。 //计算 - (IBAction) caculate { // 取出文本框的内容 NSString * num1Text = self.num1TextField.text; NSString * num2Text = self.num2TextField.text; // 把字符串转换为int类型 NSInteger result = num1Text.intValue + num2Text.intValue; // 改变文本框的值 self.resultLabel.text = [NSString stringWithFormat:@"%ld", (long)result]; // 退出键盘 // [self.num1TextField resignFirstResponder]; // [self.num2TextField resignFirstResponder]; // 只要是自己或自己的子控件呼叫出来的键盘，都可以通过这个方法来退出键盘 [self.view endEditing:YES]; }