#import <UIKit/UIKit.h>@interface TestCell : UITableViewCell@property (weak, nonatomic) IBOutlet UILabel *firstLabel;@property (weak, nonatomic) IBOutlet UILabel *endLabel;@property (weak, nonatomic) IBOutlet UIView *myView;@end#import "TestCell.h"@implementation TestCell- (void)awakeFromNib {    _myView.layer.borderColor=[UIColor clearColor].CGColor;            // Initialization code}- (void)setSelected:(BOOL)selected animated:(BOOL)animated {    [super setSelected:selected animated:animated];    // Configure the view for the selected state}@end#import "ViewController.h"#import "TestCell.h"@interface ViewController ()<UITableViewDataSource,UITableViewDelegate>{    NSMutableArray *rowArray;    BOOL *flag;}@property (weak, nonatomic) IBOutlet UITableView *myTableView;@end@implementation ViewController- (void)viewDidLoad{    [super viewDidLoad];       rowArray=[NSMutableArray arrayWithObjects:@"1",@"2",@"3", @"4",@"5",@"6",@"7",@"8",@"9",nil];    flag = (BOOL*)malloc(rowArray.count*sizeof(BOOL*));     memset(flag, NO, sizeof(*flag));    //_myTableView.separatorStyle=UITableViewCellSeparatorStyleNone;    // Do any additional setup after loading the view, typically from a nib.}- (void)didReceiveMemoryWarning{    [super didReceiveMemoryWarning];    // Dispose of any resources that can be recreated.}-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{    return rowArray.count;}-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{    if (flag[section]) {        return rowArray.count;    }    else    {        return 0;    }}-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{       TestCell *cell=[tableView dequeueReusableCellWithIdentifier:@"TestCell"];    cell.firstLabel.text=rowArray[indexPath.row];    cell.endLabel.text=rowArray[indexPath.row];        return cell;}-(UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section{    if (section==0) {        return [self firstView];    }       return  [self sectionView:section];}-(UIView *)firstView{     UIView *contentView=[[UIView alloc]initWithFrame:CGRectMake(0, 0, 320, 32)];    UILabel *label=[[UILabel alloc]initWithFrame:CGRectMake(10, 15, 40, 15)];    label.text=@"--1--";    [contentView addSubview:label];    return contentView;}-(UIView *)sectionView:(NSInteger)section{    UIView *contentView=[[UIView alloc]initWithFrame:CGRectMake(0, 0, 320, 32)];    UIButton *btn=[UIButton buttonWithType:UIButtonTypeCustom];    btn.frame=CGRectMake(375-50, 15, 30, 16);    btn.tag=section;    [btn addTarget:self action:@selector(btnClick:) forControlEvents:UIControlEventTouchUpInside];    UILabel *label=[[UILabel alloc]initWithFrame:CGRectMake(10, 15, 40, 15)];    label.text=@"测试";    if(flag[section])    {        [ btn setBackgroundImage:[UIImage imageNamed:@"open"] forState:UIControlStateNormal];    }    else    {        [ btn setBackgroundImage:[UIImage imageNamed:@"close"] forState:UIControlStateNormal];    }    [contentView addSubview:btn];    [contentView addSubview:label];    contentView.layer.borderColor=[UIColor lightGrayColor].CGColor;    contentView.layer.borderWidth=1.0;    contentView.alpha=1.0;    return contentView;}-(CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section{    return 40;}-(NSInteger)tableView:(UITableView *)tableView indentationLevelForRowAtIndexPath:(NSIndexPath *)indexPath{    return 2;}-(void)btnClick:(UIButton *)sender{    int index=(int)sender.tag;    flag[index]=!flag[index];    [_myTableView reloadData];}@end