tableview简单例子和简单遍历

Instruction_set_list.h

#import <UIKit/UIKit.h>

@interface Instruction_set_list : UIViewController
@property (strong,nonatomic)UITableView *tableviewInstruction;
@property(nonatomic,strong)NSArray *rightArr;
@end

 

#import "Instruction_set_list.h"
#import "File_list.h"

#define fDeviceWidth ([UIScreen mainScreen].bounds.size.width)
#define fDeviceHeight ([UIScreen mainScreen].bounds.size.height)
@interface Instruction_set_list ()<UITableViewDataSource,UITableViewDelegate>

@end

@implementation Instruction_set_list

- (void)viewDidLoad {
    [super viewDidLoad];
    //    创建tableview
    [self setTableView];
    //    下拉刷新
    [self setupRefresh];
}

// 下拉刷新
- (void)setupRefresh {
    NSLog(@"setupRefresh -- 下拉刷新");
    UIRefreshControl *refreshControl = [[UIRefreshControl alloc] init];
    [refreshControl addTarget:self action:@selector(refreshClick:) forControlEvents:UIControlEventValueChanged];
    refreshControl.attributedTitle = [[NSAttributedString alloc]initWithString:@"拼命刷新中！"];
    //刷新图形时的颜色，即刷新的时候那个菊花的颜色
    refreshControl.tintColor = [UIColor redColor];
    
    [self.tableviewInstruction addSubview:refreshControl];
    [refreshControl beginRefreshing];
    [self refreshClick:refreshControl];
}
// 下拉刷新触发，在此获取数据
- (void)refreshClick:(UIRefreshControl *)refreshControl {
//    [self.rightArr removeAllObjects];//清除旧数据，每次都加载最新的数据
//    
    [refreshControl endRefreshing];
    [self.tableviewInstruction reloadData];// 刷新tableView即可
}
#pragma mark -创建tableview
-(void)setTableView{
    _tableviewInstruction = [[UITableView alloc]initWithFrame:CGRectMake(0,0,fDeviceWidth,fDeviceHeight) style:UITableViewStylePlain];
    _tableviewInstruction.delegate =self;//写了这两句话哟调用delegate*/
    _tableviewInstruction.dataSource=self;
    [self.view addSubview:_tableviewInstruction];
}
#pragma mark - Table view data source
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    return self.rightArr.count;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    
    static NSString *ID=@"cell";
    
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:ID];
    
    if(cell==nil){
        cell=[[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:ID];
    }
//    cell.textLabel.text=[NSString stringWithFormat:@"至爱小播指令集-----------------%zd",indexPath.row];
    if (indexPath.row==0) {
        cell.textLabel.text = @"666";
    }
    cell.textLabel.text = self.rightArr[indexPath.row];
    cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator; //显示最右边的箭头
    
    return cell;
}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    File_list *ShowViewController=[[File_list alloc]init];
    UITableViewCell *cell = [tableView cellForRowAtIndexPath:indexPath];
    NSLog(@"%ld",(long)indexPath.row);
    NSLog(@"%@",cell.textLabel.text);
    ShowViewController.navigationItem.title=cell.textLabel.text;
    [self.navigationController pushViewController:ShowViewController animated:NO];

}

@end

 

简单的遍历：

 for (TGCurrencyInlist *obj in arr) {
        [self.popUpButton_First addItemWithTitle:obj.ccy_code];
    }
   
    for (int i = 0; i < arr.count; i++) {
        TGCurrencyInlist *rowInlist = arr[i];
        [self.popUpButton_First addItemWithTitle:rowInlist.ccy_code];
    }