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iOS倒计时的实现方法
时间：2022-06-26 06:02:29 编辑：袖梨 来源：一聚教程网
效果
用法
1.导入Timer.h/.m文件
2.所需界面导入头文件 #import “Timer.h”,其他设置参考源码
源码
github：
细节
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| 代码如下 | 复制代码 |
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#import "ViewController.h"
#import "Timer.h"
@interface ViewController ()
@property (nonatomic, strong) UIButton *button;
@property (nonatomic, strong) Timer *timer;
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
// 倒计时界面
self.timer = [[Timer alloc] initWithFrame:CGRectMake(10, 100, 200, 30)];
self.timer.delegate = self;// 记得遵守代理
self.timer.sceonds = 5;
self.timer.layer.borderWidth = 1;
self.timer.layer.cornerRadius = 5;
self.timer.layer.borderColor = [UIColor orangeColor].CGColor;
self.timer.label.font = [UIFont systemFontOfSize:14];
self.timer.label.textColor = [UIColor orangeColor];
[self.view addSubview:self.timer];
self.button = [[UIButton alloc] initWithFrame:CGRectMake(10, 150, 100, 40)];
self.button.layer.borderWidth = 1.0f;
self.button.layer.borderColor = [UIColor blackColor].CGColor;
[self.button setTitle:@"点击"forState:UIControlStateNormal];
[self.button setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
[self.button setTitleColor:[UIColor redColor] forState:UIControlStateHighlighted];
[self.button setTitleColor:[UIColor grayColor] forState:UIControlStateDisabled];
[self.view addSubview:self.button];
[self.button addTarget:self action:@selector(buttonEvent) forControlEvents:UIControlEventTouchUpInside];
}
- (void)buttonEvent {
// 启动倒计时的方法，启动之后设置button点击失效
[self.timer timerStart];
self.button.enabled = NO;
self.button.layer.borderColor = [UIColor grayColor].CGColor;
}
- (void)timerFinished:(Timer *)timer {
// 计时完成之后，button恢复点击
self.button.enabled = YES;
self.button.layer.borderColor = [UIColor blackColor].CGColor;
}
@end
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