tableViewCell列表点击展开显示二级列表
之前在网上看到过这种的，都是封装的或者是用的第三方，这是自己写的，有兴趣大家也可以把他封装起来留着自己用；
#import "ViewController.h"
#define WIDTH [UIScreen mainScreen].bounds.size.width
#define HEIGHT [UIScreen mainScreen].bounds.size.height
@interface ViewController ()<UITableViewDataSource,UITableViewDelegate>
@property (nonatomic, strong) NSMutableArray *dataArray;
@property (nonatomic, strong) NSMutableArray *stateArray;
@property (nonatomic, strong) NSMutableArray *sectionArray;
@property (nonatomic, strong) UITableView *tableView;
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
self.title = @"TableView的点击展开显示";
[self initDataSource];
[self initTable];
}
/**
* 初始化选择行业
*/
- (void)initDataSource
{
_sectionArray = [NSMutableArray arrayWithObjects:@"计算机/互联网/通信",
@"生产/工艺/制造",
@"商业/服务业/个体经营",
@"金融/银行/投资/保险",
@"文化/广告/传媒",
@"娱乐/艺术/表演",
@"医疗/护理/制药",
@"律师/法务",
@"教育/培训",
@"学生",nil];
NSArray *one = @[@"工程狮",@"程序猿",@"UI设计师",@"运营人员",@"产品经理",@"策划师",@"市场拓展",@"网站编辑",@"其他"];
NSArray *two = @[@"管理层",@"技术员",@"检验员",@"质检员",@"就是个工人",@"小组长",@"车间主任",@"其他"];
NSArray *three = @[@"服务员",@"收银员",@"会计",@"文秘",@"保安大哥",@"销售经理",@"造型师",@"厨师",@"采购员",@"业务经理",@"个体户",@"其他"];
NSArray *four = @[@"证券分析师",@"操盘手",@"客户经理",@"保险经纪",@"银行职员",@"投资经理",@"理财顾问",@"保险精算师",@"其他"];
NSArray *five = @[@"作家",@"设计师",@"广告策划",@"主持人",@"编导",@"记者",@"制片人",@"导演",@"草根写手",@"其他"];
NSArray *six = @[@"歌手",@"模特",@"导演",@"经纪人",@"编剧",@"摄影师",@"音乐人",@"制作人",@"艺术家",@"其实我是一个演员",@"其他"];
NSArray *seven = @[@"主治医师",@"营养师",@"护士",@"护工",@"美容师",@"医药代表",@"医务工作者",@"药剂师",@"其他"];
NSArray *eight = @[@"公务员",@"律师",@"警察",@"法官",@"政府工作人员",@"军人",@"其他"];
NSArray *nine = @[@"幼教",@"教师",@"教授",@"户外拓展",@"讲师",@"教练",@"其他"];
NSArray *ten = @[@"中学生",@"大学生",@"研究生",@"博士生",@"留学生"];
_dataArray = [NSMutableArray arrayWithObjects:one,two,three,four,five,six,seven,eight,nine,ten, nil];
_stateArray = [NSMutableArray array];
for (int i = 0; i < _dataArray.count; i++)
{
//所有的分区都是闭合
[_stateArray addObject:@"0"];
}
}
/**
* 初始化TableView
*/
- (void)initTable{
_tableView = [[UITableView alloc]initWithFrame:CGRectMake(0, 0, WIDTH, HEIGHT) style:UITableViewStylePlain];
_tableView.delegate = self;
_tableView.dataSource = self;
_tableView.tableFooterView = [UIView new];
[self.view addSubview:_tableView];
}
#pragma mark - UITableViewDataSource UITableViewDelegate
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
return _sectionArray.count;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
if ([_stateArray[section] isEqualToString:@"1"]){
//如果是展开状态
NSArray *array = [_dataArray objectAtIndex:section];
return array.count;
}else{
//如果是闭合，返回0
return 0;
}
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *cellID = @"cellID";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellID];
if (cell == nil) {
cell = [[UITableViewCell alloc]initWithStyle:(UITableViewCellStyleSubtitle) reuseIdentifier:cellID];
}
cell.textLabel.text = _dataArray[indexPath.section][indexPath.row];
cell.backgroundColor = [UIColor whiteColor];
cell.selectionStyle = UITableViewCellAccessoryNone;
// cell.tag = _dataArray[indexPath.section][indexPath.row];
cell.tag = indexPath.row;
return cell;
}
/**
* 设置section的title
*/
- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section
{
return _sectionArray[section];
}
/**
* 设置头标题的样式,我这里是手写了一个button,在button上放的图片,文字.可以用别的方式
*/
- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section
{
UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
[button setFrame:CGRectMake(0, 0, self.view.frame.size.width, 44)];
[button setTag:section+1];
button.backgroundColor = [UIColor whiteColor];
[button setTitleColor:[UIColor grayColor] forState:UIControlStateNormal];
[button setTitleEdgeInsets:UIEdgeInsetsMake(0, 0, 0, 60)];
[button addTarget:self action:@selector(buttonPress:) forControlEvents:UIControlEventTouchUpInside];
UIImageView *line = [[UIImageView alloc]initWithFrame:CGRectMake(0, button.frame.size.height-1, button.frame.size.width, 1)];
[line setImage:[UIImage imageNamed:@"case_cell_Line"]];
[button addSubview:line];
UIImageView *imgView = [[UIImageView alloc]initWithFrame:CGRectMake(10, (44-22)/2, 22, 22)];
[imgView setImage:[UIImage imageNamed:[NSString stringWithFormat:@"icon-%ld",section+1]]];
[button addSubview:imgView];
UIImageView *_imgView = [[UIImageView alloc]initWithFrame:CGRectMake(self.view.frame.size.width-30, (44-6)/2, 10, 6)];
if ([_stateArray[section] isEqualToString:@"0"]) {
_imgView.image = [UIImage imageNamed:@"icon-sjt"];
}else if ([_stateArray[section] isEqualToString:@"1"]) {
_imgView.image = [UIImage imageNamed:@"icon-xjt"];
}
[button addSubview:_imgView];
UILabel *tlabel = [[UILabel alloc]initWithFrame:CGRectMake(40, (44-20)/2, 200, 20)];
[tlabel setBackgroundColor:[UIColor clearColor]];
[tlabel setFont:[UIFont systemFontOfSize:16]];
[tlabel setText:_sectionArray[section]];
[button addSubview:tlabel];
return button;
}
/**
* headButton点击
*/
- (void)buttonPress:(UIButton *)sender
{
//判断状态值
if ([_stateArray[sender.tag - 1] isEqualToString:@"1"]){
//修改
[_stateArray replaceObjectAtIndex:sender.tag - 1 withObject:@"0"];
}else{
[_stateArray replaceObjectAtIndex:sender.tag - 1 withObject:@"1"];
}
[_tableView reloadSections:[NSIndexSet indexSetWithIndex:sender.tag - 1] withRowAnimation:UITableViewRowAnimationAutomatic];
}
/**
* 返回section的高度
*/
- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section
{
return 44;
}
@end