- (void)objectDidDragged:(UIPanGestureRecognizer *)paramSender {    if (paramSender.state != UIGestureRecognizerStateEnded && paramSender.state != UIGestureRecognizerStateFailed){        //通过使用 locationInView 这个方法,来获取到手势的坐标        CGPoint location = [paramSender locationInView:paramSender.view.superview];        paramSender.view.center = location;    }}

////  ViewController.m//  PanGesTest////  Created by Vivien on 16/9/18.//  Copyright © 2016年 Vivien. All rights reserved.//#import "Masonry.h"#import "ViewController.h"@interface ViewController (){        NSTimer *timer ;    int count;        CGPoint panPoint;}@property (strong, nonatomic) UIView *panView;@property (strong, nonatomic) UILabel *countLabel;@end@implementation ViewController- (void)viewDidLoad {    [super viewDidLoad];    // Do any additional setup after loading the view, typically from a nib.        _panView = [[UIView alloc]init];    _panView.backgroundColor = [UIColor grayColor];    [self.view addSubview:_panView];            UIPanGestureRecognizer *panGR = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(objectDidDragged:)];    //限定操作的触点数    [panGR setMaximumNumberOfTouches:1];    [panGR setMinimumNumberOfTouches:1];    //将手势添加到draggableObj里    [_panView addGestureRecognizer:panGR];        [_panView mas_remakeConstraints:^(MASConstraintMaker *make) {        make.top.mas_equalTo(self.view).offset(10);        make.left.mas_equalTo(self.view).offset(30);        make.width.mas_equalTo(150);        make.height.mas_equalTo(50);    }];        _countLabel  = [[UILabel alloc]initWithFrame:CGRectMake(0, 0, 100, 20)];    [_countLabel setText:@"00000"];    [_countLabel setTextColor:[UIColor redColor]];    [_countLabel setTextAlignment:NSTextAlignmentCenter];    [_countLabel setFont:[UIFont systemFontOfSize:13]];    [_panView addSubview:_countLabel];        [_countLabel mas_makeConstraints:^(MASConstraintMaker *make) {        make.left.right.top.mas_equalTo(_panView);        make.height.mas_equalTo(20);    }];         timer = [NSTimer scheduledTimerWithTimeInterval:1 target:self selector:@selector(countAdd) userInfo:nil repeats:YES];    [timer fire];    count = 0;}- (void)didReceiveMemoryWarning {    [super didReceiveMemoryWarning];    // Dispose of any resources that can be recreated.}- (void)objectDidDragged:(UIPanGestureRecognizer *)sender {        if (sender.state == UIGestureRecognizerStateBegan) {        panPoint = [sender locationInView:_panView];                NSLog(@"panPoint:%@",NSStringFromCGPoint(panPoint));    }    if (sender.state != UIGestureRecognizerStateEnded && sender.state != UIGestureRecognizerStateFailed)    {        CGPoint inViewLoction = [sender locationInView:self.view];//sender.view.superview        CGPoint location = [sender translationInView:sender.view.superview];                NSLog(@"locationInView:%@,translationInView:%@",NSStringFromCGPoint(inViewLoction),NSStringFromCGPoint(location));//        sender.view.center = inViewLoction;        [_panView mas_remakeConstraints:^(MASConstraintMaker *make) {            make.width.mas_equalTo(150);            make.height.mas_equalTo(50);            make.left.mas_equalTo(inViewLoction.x-panPoint.x);            make.top.mas_equalTo(inViewLoction.y-panPoint.y);//            make.left.mas_equalTo(0).offset(inViewLoction.x-panPoint.x);//            make.top.mas_equalTo(0).offset(inViewLoction.y-panPoint.y);        }];                NSLog(@"className:%@",NSStringFromClass([sender.view.superview class]));        [sender setTranslation:CGPointZero inView:self.view];    }}- (void)countAdd{    count ++;    [_countLabel setText:[NSString stringWithFormat:@"%d",count]];}@end