1:自定义Cell中的代码
#import <UIKit/UIKit.h>
@interface TestCell : UITableViewCell
@property(nonatomic,copy)NSString *content;
/**
* 标记行是否被选中
*/
@property(nonatomic,assign)BOOL isChecked;
@end
#import "TestCell.h"
@interface TestCell()
@property (weak, nonatomic) IBOutlet UIImageView *mark_ImageView;
@property (weak, nonatomic) IBOutlet UILabel *firstLabel;
@end
@implementation TestCell
- (void)awakeFromNib
{
self.mark_ImageView.hidden = YES;
}
- (void)setSelected:(BOOL)selected animated:(BOOL)animated {
[super setSelected:selected animated:animated];
}
-(void)setContent:(NSString *)content
{
if (_content!=content) {
_firstLabel.text=content;
}
}
/**
* 这里只是用到了一张图所以通过来imageview的hidden来显示是否选中
*
* @param isChecked
*/
- (void)setIsChecked:(BOOL)isChecked
{
_isChecked = isChecked;
//选中
if (_isChecked) {
self.mark_ImageView.hidden = NO;
self.mark_ImageView.image = [UIImage imageNamed:@"choice"];
}
else
{
self.mark_ImageView.hidden = YES;
}
}
@end
2:ViewController中的代码
#import "ViewController.h"
#import "TestCell.h"
@interface ViewController ()<UITableViewDataSource,UITableViewDelegate>
@property(nonatomic,strong)NSMutableArray *dataArray;
/**
* 保存选中行的对应的数据
*/
@property(nonatomic,strong)NSMutableArray *markArray;
/**
* 保存标记选中行字典的数组
*/
@property(nonatomic,strong)NSMutableArray *checkArray;
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
for (NSInteger i=0; i<20; i++) {
[self.dataArray addObject:[NSString stringWithFormat:@"选中第%ld行",i]];
}
for (NSInteger i =0; i<self.dataArray.count; i++) {
NSMutableDictionary *resultDict = [NSMutableDictionary dictionaryWithObject:@0 forKey:@"isChecked"];
[self.markArray addObject:resultDict];
}
}
- (NSMutableArray *)dataArray{
if (!_dataArray) {
_dataArray =[NSMutableArray array];
}
return _dataArray;
}
- (NSMutableArray *)markArray{
if (!_markArray) {
_markArray =[NSMutableArray array];
}
return _markArray;
}
- (NSMutableArray *)checkArray{
if (!_checkArray) {
_checkArray =[NSMutableArray array];
}
return _checkArray;
}
-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
return 1;
}
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
return self.dataArray.count;
}
static NSString *cellIdentifier = @"TestCell";
-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
TestCell *cell=[tableView dequeueReusableCellWithIdentifier:cellIdentifier forIndexPath:indexPath];
cell.content= self.dataArray[indexPath.row];
NSDictionary *resultDict = self.markArray[indexPath.row];
cell.isChecked = [resultDict[@"isChecked"] boolValue];
return cell;
}
-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
return 44.0f;
}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
TestCell *cell = (TestCell *)[tableView cellForRowAtIndexPath:indexPath];
NSString *checkString = self.dataArray[indexPath.row];
NSMutableDictionary *checkedResult = self.markArray[indexPath.row];
//isChecked为NO则表明要把这行置为选中状态
if ([checkedResult[@"isChecked"] boolValue]==NO) {
[checkedResult setValue:@1 forKey:@"isChecked"];
cell.isChecked = YES;
[self.checkArray addObject:checkString];
}
else{
[checkedResult setValue:@0 forKey:@"isChecked"];
cell.isChecked = NO;
[self.checkArray removeObject:checkString];
}
[tableView deselectRowAtIndexPath:indexPath animated:YES];
//刷新指定的行
NSIndexPath *indexPath_Row=[NSIndexPath indexPathForRow:indexPath.row inSection:0];
[tableView reloadRowsAtIndexPaths:[NSArray arrayWithObjects:indexPath_Row,nil] withRowAnimation:UITableViewRowAnimationNone];
NSLog(@"self.checkArray =%@",self.checkArray);
}
@end
