iOS---》点击uitableview 的section展开或隐藏

#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:@"",@"",@"", @"",@"",@"",@"",@"",@"",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 ;
}}
-(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==) {
return [self firstView];
} return [self sectionView:section];
}
-(UIView *)firstView
{
UIView *contentView=[[UIView alloc]initWithFrame:CGRectMake(, , , )];
UILabel *label=[[UILabel alloc]initWithFrame:CGRectMake(, , , )];
label.text=@"--1--";
[contentView addSubview:label];
return contentView;
}
-(UIView *)sectionView:(NSInteger)section
{
UIView *contentView=[[UIView alloc]initWithFrame:CGRectMake(, , , )];
UIButton *btn=[UIButton buttonWithType:UIButtonTypeCustom];
btn.frame=CGRectMake(-, , , );
btn.tag=section;
[btn addTarget:self action:@selector(btnClick:) forControlEvents:UIControlEventTouchUpInside];
UILabel *label=[[UILabel alloc]initWithFrame:CGRectMake(, , , )];
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 ;
}
-(NSInteger)tableView:(UITableView *)tableView indentationLevelForRowAtIndexPath:(NSIndexPath *)indexPath
{
return ;
}
-(void)btnClick:(UIButton *)sender
{
int index=(int)sender.tag;
flag[index]=!flag[index];
[_myTableView reloadData];
}@end