在ViewController中添加
//
// ViewController.m
// iosstudy2024
//
// Created by figo on 2024/8/5.
//#import "ViewController.h"@interface ViewController ()
@property (weak, nonatomic) IBOutlet UIButton *xigua;
- (IBAction)xigua:(id)sender;@end@implementation ViewController- (void)viewDidLoad {[super viewDidLoad];// Do any additional setup after loading the view.//如何动态添加控件//1.new 一个按钮UIButton *uibutton=[[UIButton alloc]init];//2.设置不同状态下标题及颜色[uibutton setTitle:@"hello,world" forState:UIControlStateNormal];[uibutton setTitleColor:[UIColor blueColor] forState:UIControlStateNormal];[uibutton setTitle:@"hello,china" forState:UIControlStateHighlighted];[uibutton setTitleColor:[UIColor redColor] forState:UIControlStateHighlighted];//3.设置不同状态下背景图片UIImage *uiImageNormal=[UIImage imageNamed:@"star"];[uibutton setBackgroundImage:uiImageNormal forState:UIControlStateNormal];UIImage *uiImageHignlighted=[UIImage imageNamed:@"diamond"];[uibutton setBackgroundImage:uiImageHignlighted forState:UIControlStateHighlighted];//4.设置坐标及长和宽CGRect rect=CGRectMake(10, 20, 100, 100);uibutton.frame=rect;//5.添加按钮事件[uibutton addTarget:self action:@selector(customClick) forControlEvents:UIControlEventTouchUpInside];//6.添加到父视图[self.view addSubview:uibutton];}
- (void) customClick{NSLog(@"动态添加事件");}- (IBAction)xigua:(id)sender {NSLog(@"这里是西瓜！");//1.通过frame设置位置(+是向右和向下)和大小/** */
// CGRect originFrame=_xigua.frame;
// originFrame.size.width+=10;
// originFrame.size.height+=10;
// originFrame.origin.x+=10;
// originFrame.origin.y+=10;
// _xigua.frame=originFrame;//2.通过center设置位置,center是中心点/** */CGPoint centerPoint=_xigua.center;centerPoint.x+=100;centerPoint.y+=100;//方法一：头尾式，执行动画//1).开启动画,会平滑一点
// [UIView beginAnimations:nil context:nil];
// //2).设置动画执行时间，单位秒
// [UIView setAnimationDuration:1];
// _xigua.center=centerPoint;//3).提交动画 注释后，动画也可以执行
// [UIView commitAnimations];//方法二：block方式执行动画[UIView animateWithDuration:1 animations:^{_xigua.center=centerPoint;}];//3.通过bounds设置位置(+是向左和向上)和大小/**CGRect originBounds=_xigua.bounds;originBounds.size.width+=10;originBounds.size.height+=10;originBounds.origin.x+=10;originBounds.origin.y+=10;_xigua.bounds=originBounds;*/
}@end
