设置一个在编辑状态下点击可改变图片的cell

FileItemTableCell.h

#import 
     
      @interface FileItemTableCell : UITableViewCell{@private    UIImageView*    m_checkImageView;    BOOL            m_checked;}- (void) setChecked:(BOOL)checked;@end
     

FileItemTableCell.m

#import "FileItemTableCell.h"@implementation FileItemTableCell- (void) setCheckImageViewCenter:(CGPoint)pt alpha:(CGFloat)alpha animated:(BOOL)animated{    if (animated)    {                [UIView beginAnimations:nil context:nil];        [UIView setAnimationBeginsFromCurrentState:YES];        [UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];        [UIView setAnimationDuration:0.3];                m_checkImageView.center = pt;        m_checkImageView.alpha = alpha;                [UIView commitAnimations];    }    else    {        m_checkImageView.center = pt;        m_checkImageView.alpha = alpha;    }}- (void) setEditing:(BOOL)editting animated:(BOOL)animated{    if (self.editing == editting)    {        return;    }        [super setEditing:editting animated:animated];        if (editting)    {        self.selectionStyle = UITableViewCellSelectionStyleNone;        //        self.backgroundView = [[UIView alloc] init];//        self.backgroundView.backgroundColor = [UIColor whiteColor];//        self.textLabel.backgroundColor = [UIColor clearColor];//        self.detailTextLabel.backgroundColor = [UIColor clearColor];                if (m_checkImageView == nil)        {            m_checkImageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"Unselected.png"]];            [self addSubview:m_checkImageView];        }                [self setChecked:m_checked];        m_checkImageView.center = CGPointMake(-CGRectGetWidth(m_checkImageView.frame) * 0.5,                                               CGRectGetHeight(self.bounds) * 0.5);        m_checkImageView.alpha = 0.0;        [self setCheckImageViewCenter:CGPointMake(20.5, CGRectGetHeight(self.bounds) * 0.5)                                alpha:1.0 animated:animated];    }    else     {        m_checked = NO;//        self.selectionStyle = UITableViewCellSelectionStyleBlue;        self.backgroundView = nil;                if (m_checkImageView)        {            [self setCheckImageViewCenter:CGPointMake(-CGRectGetWidth(m_checkImageView.frame) * 0.5,                                                       CGRectGetHeight(self.bounds) * 0.5)                                    alpha:0.0                                  animated:animated];        }    }}- (void)dealloc {    m_checkImageView = nil;}- (void) setChecked:(BOOL)checked{    if (checked)    {        m_checkImageView.image = [UIImage imageNamed:@"Selected.png"];        self.backgroundView.backgroundColor = [UIColor colorWithRed:223.0/255.0 green:230.0/255.0 blue:250.0/255.0 alpha:1.0];    }    else    {        m_checkImageView.image = [UIImage imageNamed:@"Unselected.png"];        self.backgroundView.backgroundColor = [UIColor whiteColor];    }    m_checked = checked;}

ViewController.m

#import "ViewController.h"#import "FileItemTableCell.h"@interface Item : NSObject@property (retain, nonatomic) NSString *title;@property (assign, nonatomic) BOOL isChecked;@end@implementation Item@end@interface ViewController ()
     
      @property (nonatomic,strong)UITableView *tableView;@property (retain, nonatomic) NSMutableArray *items;@end@implementation ViewController- (instancetype)init{    self = [super init];    if (self) {        UIBarButtonItem *right = [[UIBarButtonItem alloc]initWithTitle:@"Edit" style:UIBarButtonItemStylePlain target:self  action:@selector(setEditing:animated:)];        self.navigationItem.rightBarButtonItem = right;                UIBarButtonItem *left = [[UIBarButtonItem alloc]initWithTitle:@"删除" style:UIBarButtonItemStylePlain target:self action:@selector(leftBarButtonPressed)];        self.navigationItem.leftBarButtonItem = left;    }    return self;}- (void)viewDidLoad {    [super viewDidLoad];    self.tableView = [[UITableView alloc]initWithFrame:self.view.bounds];    self.tableView.rowHeight = 50;    self.tableView.allowsSelectionDuringEditing = YES;    self.tableView.dataSource =self;    self.tableView.delegate = self;    [self.view addSubview:self.tableView];    self.items = [NSMutableArray arrayWithCapacity:0];    for (int i=0; i<50; i++) {        Item *item = [[Item alloc] init];        item.title = [NSString stringWithFormat:@"%d",i];        item.isChecked = NO;        [_items addObject:item];    }}- (void)leftBarButtonPressed {    NSLog(@"删除");    NSMutableArray *array = [[NSMutableArray alloc]initWithArray:_items];    for (int i = 0; i < array.count; i ++) {        Item* item = [array objectAtIndex:i];        if (item.isChecked) {            [_items removeObject:item];        }    }      [_tableView reloadData];    NSLog(@"%ld",_items.count);}- (void) setEditing:(BOOL)editting animated:(BOOL)animated{    self.navigationItem.rightBarButtonItem.title = _tableView.editing ? @"Edit" : @"Done";    [_tableView setEditing:!_tableView.editing animated:YES];    [self.tableView performSelector:@selector(reloadData) withObject:nil afterDelay:0.3];}#pragma mark -#pragma mark Table view data source- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {    // Return the number of sections.    return 1;}- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{    return [_items count];}- (UITableViewCellEditingStyle)tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath{    return UITableViewCellEditingStyleNone;}// Customize the appearance of table view cells.- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {        static NSString *CellIdentifier = @"Cell";        FileItemTableCell *cell = (FileItemTableCell*)[tableView dequeueReusableCellWithIdentifier:CellIdentifier];    if (cell == nil) {        cell = [[FileItemTableCell alloc] initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:CellIdentifier];        cell.textLabel.font = [cell.textLabel.font fontWithSize:17];    }        cell.accessoryType = UITableViewCellAccessoryNone;    cell.textLabel.textColor = [UIColor blackColor];        Item* item = [_items objectAtIndex:indexPath.row];    cell.textLabel.text = item.title;    [cell setChecked:item.isChecked];    return cell;;    }- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{    Item* item = [_items objectAtIndex:indexPath.row];        if (self.tableView.editing)    {        FileItemTableCell *cell = (FileItemTableCell*)[tableView cellForRowAtIndexPath:indexPath];        item.isChecked = !item.isChecked;        [cell setChecked:item.isChecked];    }    [tableView deselectRowAtIndexPath:indexPath animated:YES];}@end
     

使用对象感觉较之前的字典好理解些，也简单些

效果图：

2015.6.4更新

最新效果图：添加全选功能

 

最新Demo下载地址：

修改了个全选的bug: