tableview

//
//  ViewController.m
//  tableview
//
//  Created by chenvinci on 2017/2/12.
//  Copyright © 2017年 cuijing. All rights reserved.
//

#import "ViewController.h"

@interface ViewController ()<UITableViewDataSource>

@property(nonatomic,strong) UITableView* myView;

@property(nonatomic,strong) UIView* headerView;

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    [self myView];
    self.myView.rowHeight = 60;
    self.headerView = [[UIView alloc]init];
    
    //headerView
    UIImageView*img = [[UIImageView alloc]init];
    img.image = [UIImage imageNamed:@"k.jpg"];
    self.headerView.frame = CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height/self.view.frame.size.width*img.image.size.width);
    img.frame = self.headerView.frame;
    [self.headerView addSubview:img];
    
    self.myView.tableHeaderView = self.headerView;
    
}

-(UITableView*) myView{
    if (!_myView) {
        _myView = [[UITableView alloc]initWithFrame:self.view.frame style:UITableViewStylePlain];
        [self.view addSubview:_myView];
        _myView.dataSource = self;
    }
    return _myView;
}

//有多少节
-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{
    return 1;
}
//每节几行
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
    return 3;
}
//tableviewcell
-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
    
    //indextPath.section 节
    //indexPath.row 行
    static NSString*identifier = @"cell";
    
    //重用cell
    UITableViewCell* cell = [tableView dequeueReusableCellWithIdentifier:identifier];
    if (cell == nil) {
        cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identifier];
    }else{
        NSLog(@"cell重用");
    }
        cell.textLabel.text = @"汪峰";
    cell.detailTextLabel.text = @"春天里";
    cell.imageView.image = [UIImage imageNamed:@"0.jpg"];
    cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;//->
    return cell;
}

//tableview的 style :grouped
-(NSString *)tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section{
    if (section == 0) {
        return @"kkk end";
    }else{
        return @"kkk2 end";
    }
}

-(NSString*)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section{
    if (section == 0) {
        return @"kkk ";
    }else{
        return @"kkk2 ";
    }
}

@end