iOS之UIStepper微调器的使用

来源：互联网发布：阿里二手域名编辑：程序博客网时间：2024/04/30 07:25

1、.h

#import <UIKit/UIKit.h>@interface FKViewController : UIViewController@property (strong, nonatomic) IBOutlet UITextField *tf1;@property (strong, nonatomic) IBOutlet UITextField *tf2;@property (strong, nonatomic) IBOutlet UITextField *tf3;@property (strong, nonatomic) IBOutlet UIStepper *stepper;- (IBAction)valueChanged:(UIStepper*)sender;@end

2、.m

#import "FKViewController.h"@interface FKViewController ()@end@implementation FKViewController- (void)viewDidLoad{[super viewDidLoad];// 自定义该UIStepper的减号按钮的图片[self.stepper setDecrementImage:[UIImage imageNamed:@"minus.gif"]forState:UIControlStateNormal];// 自定义该UIStepper的减号按钮的图片[self.stepper setIncrementImage:[UIImage imageNamed:@"plus.gif"]forState:UIControlStateNormal];}- (void)didReceiveMemoryWarning{    [super didReceiveMemoryWarning];}- (IBAction)valueChanged:(UIStepper*)sender {// 分别使用3个UITextField显示对应UIStepper的值switch (sender.tag) {case 1:self.tf1.text = [NSString stringWithFormat:@"%g", sender.value];break;case 2:self.tf2.text = [NSString stringWithFormat:@"%g", sender.value];break;case 3:self.tf3.text = [NSString stringWithFormat:@"%g", sender.value];break;}}@end

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