#import "RootViewController.h"@interface RootViewController ()
@end
@implementation RootViewController
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
// Custom initialization
}
return self;
}- (void)loadView
{
UIView *view = [[UIView alloc] initWithFrame:[UIScreen mainScreen].applicationFrame];
self.view = view;
[view release];NSString *path = [[NSBundle mainBundle] pathForResource:@"ListData" ofType:@"plist"];
_dataDic = [[NSDictionary dictionaryWithContentsOfFile:path] retain];NSArray *keyArray = [NSArray arrayWithArray:[_dataDic allKeys]];
// 排序
_keyArray = [[keyArray sortedArrayUsingSelector:@selector(compare:)] retain];_tableView = [[UITableView alloc] initWithFrame:view.bounds style:UITableViewStylePlain];
_tableView.dataSource = self; // 设置数据源
_tableView.delegate = self; // 设置委托
[self.view addSubview:_tableView];
}- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view.
}- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}#pragma mark - TableView Datasource
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
return [_keyArray count];
} // 表视图当中存在secion的个数，默认是1个- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section;
{
NSArray *data = [_dataDic objectForKey:[_keyArray objectAtIndex:section]];
return [data count];
} // section 中包含row的数量- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
// 定义一个静态标识符
static NSString *cellIdentifier = @"cell";
// 检查是否限制单元格
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellIdentifier];
// 创建单元格
if (cell == nil) {
cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cellIdentifier] autorelease];
}
// 给cell内容赋值NSArray *data = [_dataDic objectForKey:[_keyArray objectAtIndex:indexPath.section]];
NSString *fontName = [data objectAtIndex:indexPath.row];
cell.textLabel.text = fontName;
cell.textLabel.font = [UIFont systemFontOfSize:18];return cell;
} // 创建单元格
- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section
{
return _keyArray[section];
}- (NSArray *)sectionIndexTitlesForTableView:(UITableView *)tableView
{
return _keyArray;
} // 返回索引的内容- (NSInteger)tableView:(UITableView *)tableView sectionForSectionIndexTitle:(NSString *)title atIndex:(NSInteger)index
{
NSLog(@"index : %d title : %@", index, title);
return index;//根据数组是索引内容，根据下表来取得跳转区域，默认也是跳转到下表坐标
} // 选中时，跳转表视图#pragma mark - UITableViewDelegate
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
return 60;
}- (void)dealloc
{
[_tableView release];
_tableView = nil;
[super dealloc];
}@end
ios-表视图－demo5-索引,布布扣,bubuko.com