#import "ViewController.h"@interface ViewController ()/** 创建一个UIView */@property(nonatomic , weak) UIView * gestureView;@end@implementation ViewController- (void)viewDidLoad {    [super viewDidLoad];    //创建一个uiview    UIView * tempView = [[UIView alloc]initWithFrame:CGRectMake(20, 20, 100, 100)];    //设置背景颜色    tempView.backgroundColor = [UIColor orangeColor];    self.gestureView=tempView;    //创建手势    UIPanGestureRecognizer * pan = [[UIPanGestureRecognizer alloc]initWithTarget:self action:@selector(panGes:)];    //绑定手势    [self.gestureView addGestureRecognizer:pan];    [self.view addSubview:self.gestureView];}- (void)panGes:(UIPanGestureRecognizer *)pan{    CGPoint tranP = [pan translationInView:self.gestureView];    self.gestureView.transform = CGAffineTransformTranslate(self.gestureView.transform, tranP.x, tranP.y);    [pan setTranslation:CGPointZero inView:self.gestureView];}- (void)didReceiveMemoryWarning {    [super didReceiveMemoryWarning];    // Dispose of any resources that can be recreated.}@end