//
//  ViewController.m
//  AniTab
//
//  Created by XianMingYou on 15/2/26.
//  Copyright (c) 2015年 XianMingYou. All rights reserved.
//

#import "ViewController.h"
#import "ShowCell.h"@interface ViewController ()<UITableViewDataSource, UITableViewDelegate>@property (nonatomic, strong) UITableView     *tableView;
@property (nonatomic, strong) NSMutableArray  *dataSource;@end@implementation ViewController- (void)viewDidLoad {[super viewDidLoad];// 初始化数据源self.dataSource = [NSMutableArray new];for (int i = 0; i < 40; i++) {[self.dataSource addObject:[NSString stringWithFormat:@"%02d YouXianMing", i]];}// 初始化tableViewself.tableView = [[UITableView alloc] initWithFrame:self.view.boundsstyle:UITableViewStylePlain];[self.view addSubview:self.tableView];self.tableView.delegate   = self;self.tableView.dataSource = self;[self.tableView registerClass:[ShowCell class]forCellReuseIdentifier:@"ShowCell"];
}#pragma mark - tableView代理
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {return self.dataSource.count;
}- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {ShowCell *cell = [tableView dequeueReusableCellWithIdentifier:@"ShowCell"];[cell accessData:self.dataSource[indexPath.row]];return cell;
}#pragma mark cell显示的时候
- (void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath {ShowCell *showCell = (ShowCell *)cell;[showCell show];
}#pragma mark cell消失的时候
- (void)tableView:(UITableView *)tableView didEndDisplayingCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath*)indexPath {ShowCell *showCell = (ShowCell *)cell;[showCell hide];
}#pragma mark cell高度
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {return 100;
}@end

//
//  ShowCell.h
//  AniTab
//
//  Created by XianMingYou on 15/2/26.
//  Copyright (c) 2015年 XianMingYou. All rights reserved.
//

#import <UIKit/UIKit.h>@interface ShowCell : UITableViewCell/***  动画显示*/
- (void)show;/***  动画隐藏*/
- (void)hide;/***  处理数据**  @param data 数据源*/
- (void)accessData:(id)data;@end

//
//  ShowCell.m
//  AniTab
//
//  Created by XianMingYou on 15/2/26.
//  Copyright (c) 2015年 XianMingYou. All rights reserved.
//

#import "ShowCell.h"@interface ShowCellStoreValue : NSObject
@property (nonatomic) CGRect startRect;
@property (nonatomic) CGRect endRect;
@end
@implementation ShowCellStoreValue
@end@interface ShowCell ()@property (nonatomic, strong) UILabel            *label;
@property (nonatomic, strong) ShowCellStoreValue *storeValue;@end@implementation ShowCell- (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier {if (self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]) {self.label = [[UILabel alloc] initWithFrame:CGRectMake(10, 30, 300, 50)];self.label.font = [UIFont italicSystemFontOfSize:30.f];[self addSubview:self.label];self.storeValue = [ShowCellStoreValue new];self.storeValue.startRect = self.label.frame;self.storeValue.endRect   = CGRectMake(10, 30 + 20, 300, 50);}return self;
}- (void)accessData:(id)data {NSString *str = data;if ([str isKindOfClass:[NSString class]]) {self.label.text = str;}
}/***  动画显示*/
- (void)show {[UIView animateWithDuration:1.f animations:^{self.label.frame = self.storeValue.endRect;}];
}- (void)hide {[self.label.layer removeAllAnimations];self.label.frame = self.storeValue.startRect;
}@end