tableview 重用nib cell

 
#import "ViewController.h"
#import "NewsTableViewCell.h"

#define UISCREEN_HEIGHT ([UIScreen mainScreen].bounds.size.height)
#define UISCREEN_WIDTH  ([UIScreen mainScreen].bounds.size.width)
@interface ViewController ()<UITableViewDataSource,UITableViewDelegate>

@property (nonatomic, strong) UITableView               * tableView;
@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    if ([self tableView]) {
        //一定先要注册class 再注册 nib
        [self.tableView registerClass:[NewsTableViewCell class] forCellReuseIdentifier:@"NewsTableViewCell"];
         UINib * nib = [UINib nibWithNibName:@"NewsTableViewCell" bundle:nil];
        [self.tableView registerNib:nib forCellReuseIdentifier:@"NewsTableViewCell"];
    }
    // Do any additional setup after loading the view, typically from a nib.
}
-(UITableView *)tableView
{
    if (!_tableView) {
        _tableView = [[UITableView alloc] initWithFrame:CGRectMake(0, 0, UISCREEN_WIDTH, UISCREEN_HEIGHT) style:UITableViewStylePlain];
        _tableView.backgroundColor = [UIColor clearColor];
        _tableView.separatorStyle = UITableViewCellSeparatorStyleSingleLine;
        _tableView.delegate = self;
        _tableView.dataSource = self;
        
        [self.view addSubview:_tableView];
    }
    return _tableView;
}

-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return 10;
}

-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
    return 120;
}

-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    UITableViewCell * cell = [tableView dequeueReusableCellWithIdentifier:@"NewsTableViewCell" forIndexPath:indexPath];
//    if (!cell) {
//        cell = [[[NSBundle mainBundle] loadNibNamed:@"NewsTableViewCell" owner:self options:nil] lastObject];
//    }
    return cell;
}
- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

@end

  

posted @ 2015-04-21 11:53  Nonato  阅读(368)  评论(0)    收藏  举报