方式1:
#import "ViewController.h"
@interface ViewController () {
intsectionCounts[5];
}
@property (nonatomic, weak) UITableView *tableView;
@property (nonatomic, strong) NSArray *dataArr;
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
UITableView *tableView = [[UITableView alloc] initWithFrame:self.view.bounds style:UITableViewStyleGrouped];
tableView.dataSource=self;
tableView.delegate=self;
tableView.estimatedSectionHeaderHeight = 0;
tableView.estimatedSectionFooterHeight = 0;
[self.viewaddSubview:tableView];
self.tableView= tableView;
//
self.dataArr = @[@[@"2222",@"11", @"3333", @"ww", @"qqq"], @[@"ww", @"eeeeeee"], @[@" 对的", @"得到的", @"钱钱钱"], @[@"试试"], @[@"让他有太阳", @"吞吞吐吐"]];
}
#pragma mark -- UITableViewDataSource
- (NSInteger)numberOfSectionsInTableView:(UITableView*)tableView {
return 5;
}
- (NSInteger)tableView:(UITableView*)tableView numberOfRowsInSection:(NSInteger)section {
if(sectionCounts[section]) {
return[self.dataArr[section]count];
}
return 0;
}
- (UITableViewCell*)tableView:(UITableView*)tableView cellForRowAtIndexPath:(NSIndexPath*)indexPath {
staticNSString*cellID =@"cell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellID];
if(!cell) {
cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:cellID];
}
NSArray*rowDataArr =self.dataArr[indexPath.section];
cell.textLabel.text= [NSStringstringWithFormat:@"----------%@",rowDataArr[indexPath.row]];
returncell;
}
#pragma mark -- UITableViewDelegate
- (CGFloat)tableView:(UITableView*)tableView heightForRowAtIndexPath:(NSIndexPath*)indexPath {
return 100;
}
- (CGFloat)tableView:(UITableView*)tableView heightForHeaderInSection:(NSInteger)section {
return 50;
}
- (CGFloat)tableView:(UITableView*)tableView heightForFooterInSection:(NSInteger)section {
return 20;
}
- (UIView*)tableView:(UITableView*)tableView viewForHeaderInSection:(NSInteger)section {
UIButton*sectionBtn = [[UIButtonalloc]initWithFrame:CGRectMake(0,0,375,100)];
[sectionBtnaddTarget:self action:@selector(sectionBtnClick:) forControlEvents:UIControlEventTouchUpInside];
sectionBtn.backgroundColor= [UIColorredColor];
sectionBtn.tag= section;
[sectionBtnsetTitle:[NSString stringWithFormat:@"------%ld", section] forState:UIControlStateNormal];
returnsectionBtn;
}
- (void)sectionBtnClick:(UIButton*)sectionBtn {
NSLog(@"---------sdfsdfs---------:%ld", sectionBtn.tag);
intindex = (int)sectionBtn.tag;
NSLog(@"---------ddddd---------:%d", sectionCounts[index]);
sectionCounts[index] = !sectionCounts[index];
[self.tableView reloadSections:[NSIndexSet indexSetWithIndex:index] withRowAnimation:UITableViewRowAnimationFade];
}
- (void)tableView:(UITableView*)tableView didSelectRowAtIndexPath:(NSIndexPath*)indexPath {
[tableViewdeselectRowAtIndexPath:indexPath animated:true];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end
方式2:
#import "ViewController.h"
#import "HZGroupModel.h"
@interface ViewController ()
@property (nonatomic, weak) UITableView *tableView;
@property (nonatomic, strong) NSArray *dataBgArr;
//** <#注释#>*/
@property (nonatomic, strong) NSMutableArray *modelArr;
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
UITableView *tableView = [[UITableView alloc] initWithFrame:self.view.bounds style:UITableViewStyleGrouped];
tableView.dataSource=self;
tableView.delegate=self;
tableView.estimatedSectionHeaderHeight = 0;
tableView.estimatedSectionFooterHeight = 0;
[self.viewaddSubview:tableView];
self.tableView= tableView;
self.dataBgArr = @[@[@"aa", @"ss", @"ddd", @"ff", @"eee"], @[@"qq", @"gg", @"kk"], @[@"vv", @"ccc", @"hhh", @"kkk"], @[@"ccc", @"xxx"], @[@"vvv", @"uuu", @"fdffdfdfddf", @"hjhjhjhhjh"]];
self.modelArr = [NSMutableArray array];
for(NSArray*arrinself.dataBgArr) {
NSLog(@"----arr-----%@", arr);
HZGroupModel*groupModel = [HZGroupModelnew];
groupModel.isOpened=false;
groupModel.modelArr= arr;
[self.modelArraddObject:groupModel];
}
NSLog(@"----sss-----%@", self.modelArr);
[self.tableView reloadData];
}
#pragma mark -- UITableViewDataSource
- (NSInteger)numberOfSectionsInTableView:(UITableView*)tableView {
return self.modelArr.count;
}
- (NSInteger)tableView:(UITableView*)tableView numberOfRowsInSection:(NSInteger)section {
HZGroupModel*groupModel =self.modelArr[section];
if(groupModel.isOpened) {
returngroupModel.modelArr.count;
}
return 0;
}
- (UITableViewCell*)tableView:(UITableView*)tableView cellForRowAtIndexPath:(NSIndexPath*)indexPath {
staticNSString*cellID =@"cell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellID];
if(!cell) {
cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:cellID];
}
HZGroupModel*groupModel =self.modelArr[indexPath.section];
cell.textLabel.text= [NSStringstringWithFormat:@"----------%@",groupModel.modelArr[indexPath.row]];
returncell;
}
#pragma mark -- UITableViewDelegate
- (CGFloat)tableView:(UITableView*)tableView heightForRowAtIndexPath:(NSIndexPath*)indexPath {
return 100;
}
- (CGFloat)tableView:(UITableView*)tableView heightForHeaderInSection:(NSInteger)section {
return 50;
}
- (CGFloat)tableView:(UITableView*)tableView heightForFooterInSection:(NSInteger)section {
return 20;
}
- (UIView*)tableView:(UITableView*)tableView viewForHeaderInSection:(NSInteger)section {
UIButton*sectionBtn = [[UIButtonalloc]initWithFrame:CGRectMake(0,0,375,100)];
[sectionBtnaddTarget:self action:@selector(sectionBtnClick:) forControlEvents:UIControlEventTouchUpInside];
sectionBtn.backgroundColor= [UIColorredColor];
sectionBtn.tag= section +101;
[sectionBtnsetTitle:[NSString stringWithFormat:@"------%ld", section] forState:UIControlStateNormal];
returnsectionBtn;
}
- (void)sectionBtnClick:(UIButton*)sectionBtn {
NSIntegerindex = sectionBtn.tag-101;
//
NSLog(@"----self.modelArr-----%@", self.modelArr);
//
HZGroupModel*groupModel =self.modelArr[index];
NSLog(@"----groupModel-1----%d", groupModel.isOpened);
groupModel.isOpened= !groupModel.isOpened;
NSLog(@"----groupModel-2----%d", groupModel.isOpened);
[self.tableView reloadSections:[NSIndexSet indexSetWithIndex:index] withRowAnimation:UITableViewRowAnimationFade];
}
- (void)tableView:(UITableView*)tableView didSelectRowAtIndexPath:(NSIndexPath*)indexPath {
[tableViewdeselectRowAtIndexPath:indexPath animated:true];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
HZGroupModel的.h文件
#import
@interfaceHZGroupModel :NSObject
@property (nonatomic, strong) NSArray *modelArr;
@property (nonatomic, assign) BOOL isOpened;
@end
