ios UIview And Button TomCat

//
//  ViewController.h
//  07-TomCat
//
//  Created by zjj on 15/5/8.
//  Copyright (c) 2015年 zjj. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface ViewController : UIViewController

@property (strong, nonatomic) IBOutlet UIImageView *tom;
- (IBAction)btnClik:(UIButton *)sender;

@end

//
//  ViewController.m
//  07-TomCat
//
//  Created by zjj on 15/5/8.
//  Copyright (c) 2015年 zjj. All rights reserved.
//

#import "ViewController.h"

@interface ViewController ()
{
    NSDictionary *_dict;
}
@end

@implementation ViewController
- (void)viewDidLoad {
    [super viewDidLoad];
    // 2.用NSBUndle 读取(tom.plist)文件全路径
    NSBundle *bundle = [NSBundle mainBundle];
    NSString *path = [bundle pathForResource:@"tom" ofType:@"plist"];
    //1.根据文件路径加载字典
    _dict = [NSDictionary dictionaryWithContentsOfFile:path];
 }

- (void)btnClik:(UIButton *)sender
{
    // 是否正在播放动画，是则点击其他按钮无效
    if(_tom.isAnimating)return;
    // 3.取出按钮文字(按钮文字事先要clean title clocr)
    NSString *title = [sender titleForState:UIControlStateNormal];
    int count = [_dict[title]intValue];
    [self catChange:count str:title];
}
- (void)catChange : (int)count str:(NSString *)playName
{
    // 1.创建可变数组
    NSMutableArray *img = [NSMutableArray array];
    // 2.添加图片
    for (int i = 0 ; i < count; i++) {
        //%02d 保留2位多余的用0代替 如01-09 省却if判断
        NSString *name = [NSString stringWithFormat:@"%@_%02d.jpg",playName,i];
        // 加载缓存方法 大批量图片之类 会占用大量内存（内存检测泄露工具）有缓存 却无法释放
//        UIImage *name = [UIImage imageNamed:path];
        // 系统优化
        // 无缓存 用完就释放
        NSString *paths = [[NSBundle mainBundle] pathForResource:name ofType:nil];
        UIImage *imgs = [[UIImage alloc]initWithContentsOfFile:paths];
        [img addObject:imgs];
    }
    // 3.设置动画图片
    _tom.animationImages = img;// 序列帧图画
    // 4.只播放一次
    _tom.animationRepeatCount = 1;
    // 5.设置动画的持续时间
    _tom.animationDuration = 0.1 * count;
    // 6.开始播放动画
    [_tom  startAnimating];
}
@end