UI09_UITableView 使用 单例
========—————==========————=============———
//
// AppDelegate.m
// AppDelegate.m
// UI09_UITableView
// Created by dllo on 15/10/28.
// Copyright (c) 2015年 z_han. All rights reserved.
//
// Copyright (c) 2015年 z_han. All rights reserved.
//
#import "AppDelegate.h"
#import "RootViewController.h"
@interface AppDelegate ()
@end
@implementation AppDelegate
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
// Override point for customization after application launch.
self.window.backgroundColor = [UIColor whiteColor];
[self.window makeKeyAndVisible];
RootViewController *rootVC = [[RootViewController alloc]init];
UINavigationController *naviC = [[UINavigationController alloc]initWithRootViewController:rootVC];
self.window.rootViewController = naviC;
return YES;
}
@end
//
// RootViewController.m
// UI09_UITableView
// Created by dllo on 15/10/28.
// Copyright (c) 2015年 z_han. All rights reserved.
//#import "RootViewController.h"
// Copyright (c) 2015年 z_han. All rights reserved.
//#import "RootViewController.h"
#import "FirstViewController.h"
#import "Singleton.h"
#import "Student.h"
@interface RootViewController ()<UITableViewDelegate,UITableViewDataSource>
@end
@implementation RootViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view.
self.view.backgroundColor = [UIColor orangeColor];
UITableView *myTableView = [[UITableView alloc]initWithFrame:[[UIScreen mainScreen]bounds] style:UITableViewStylePlain];// 分行的
// UITableViewStyleGrouped 分组的
myTableView.backgroundColor = [UIColor whiteColor];
[self.view addSubview:myTableView];
myTableView.delegate = self;// 基本配置代理
myTableView.dataSource = self;// 数据源代理
// 去掉cell的线
myTableView.separatorStyle = UITableViewCellSeparatorStyleNone;
UIView *headerView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 375, 200)];
headerView.backgroundColor = [UIColor colorWithRed:1.000 green:0.252 blue:0.457 alpha:1.000];
// 设置tableView的表头视图
myTableView.tableHeaderView = headerView;
// [self setAutomaticallyAdjustsScrollViewInsets:NO];
// 刷新整个tableview
[myTableView reloadData];
// 刷新指定的cell
// [myTableView reloadRowsAtIndexPaths:<#(NSArray *)#> withRowAnimation:<#(UITableViewRowAnimation)#>]
// [Singleton shareSingleton];
}
// 设置cell行高
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{
return 100;
#import "Singleton.h"
#import "Student.h"
@interface RootViewController ()<UITableViewDelegate,UITableViewDataSource>
@end
@implementation RootViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view.
self.view.backgroundColor = [UIColor orangeColor];
UITableView *myTableView = [[UITableView alloc]initWithFrame:[[UIScreen mainScreen]bounds] style:UITableViewStylePlain];// 分行的
// UITableViewStyleGrouped 分组的
myTableView.backgroundColor = [UIColor whiteColor];
[self.view addSubview:myTableView];
myTableView.delegate = self;// 基本配置代理
myTableView.dataSource = self;// 数据源代理
// 去掉cell的线
myTableView.separatorStyle = UITableViewCellSeparatorStyleNone;
UIView *headerView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 375, 200)];
headerView.backgroundColor = [UIColor colorWithRed:1.000 green:0.252 blue:0.457 alpha:1.000];
// 设置tableView的表头视图
myTableView.tableHeaderView = headerView;
// [self setAutomaticallyAdjustsScrollViewInsets:NO];
// 刷新整个tableview
[myTableView reloadData];
// 刷新指定的cell
// [myTableView reloadRowsAtIndexPaths:<#(NSArray *)#> withRowAnimation:<#(UITableViewRowAnimation)#>]
// [Singleton shareSingleton];
}
// 设置cell行高
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{
return 100;
}
// 设置Section的个数 区的个数
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{
return [Singleton shareSingleton].studentDic.allKeys.count;
}
// 设置每个Section的行数
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{ NSString *key = [[Singleton shareSingleton].studentDic.allKeys objectAtIndex:section]; // 根据key取出对应的数组
NSMutableArray *array = [[Singleton shareSingleton].studentDic objectForKey:key];
// 当前Section的行数由数组个数决定
return array.count;
}
//
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
//1. 先从重用池里取
// queue：队列 reusable：重用 identifier：标识符
// 标识符是区别不同Cell的唯一标记
static NSString *cellIdentifier = @"cell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellIdentifier];
//2. Cell是否为空，为空则alloc
if (cell == nil) {// 对象可以直接==
// Cell是否为空，为空则创建
// cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cellIdentifier];// style 类型 自己试试
cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:cellIdentifier];// 副标题
}
//** 注意执行顺序 重用机制 显示最后的代码
NSString *string = [NSString stringWithFormat:@"section = %ld,row = %ld",indexPath.section,indexPath.row];
cell.textLabel.text = string;
if ((indexPath.section == 1) && (indexPath.row == 2)) {
cell.textLabel.text = @"第三步";
// 当前Section的行数由数组个数决定
return array.count;
}
//
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
//1. 先从重用池里取
// queue：队列 reusable：重用 identifier：标识符
// 标识符是区别不同Cell的唯一标记
static NSString *cellIdentifier = @"cell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellIdentifier];
//2. Cell是否为空，为空则alloc
if (cell == nil) {// 对象可以直接==
// Cell是否为空，为空则创建
// cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cellIdentifier];// style 类型 自己试试
cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:cellIdentifier];// 副标题
}
//** 注意执行顺序 重用机制 显示最后的代码
NSString *string = [NSString stringWithFormat:@"section = %ld,row = %ld",indexPath.section,indexPath.row];
cell.textLabel.text = string;
if ((indexPath.section == 1) && (indexPath.row == 2)) {
cell.textLabel.text = @"第三步";
}
// 副标题
cell.detailTextLabel.text = @"副标题";
//设置cell显示图片
cell.imageView.image = [UIImage imageNamed:@""];
// 取消cell的置灰效果
// cell.selectionStyle = UITableViewCellSelectionStyleNone;
NSString *key = [[Singleton shareSingleton].studentDic.allKeys objectAtIndex:indexPath.section];
NSMutableArray *array = [[Singleton shareSingleton].studentDic objectForKey:key];
Student *stu = [array objectAtIndex:indexPath.row];
// cell.textLabel.text = stu.name;
//举例刷新（随机数）
NSString *string1 = [NSString stringWithFormat:@"%d",arc4random()%201];
cell.textLabel.text = string1;
return cell;
}
#pragma mark -- 设置字母检索
- (NSArray *)sectionIndexTitlesForTableView:(UITableView *)tableView{
// return [NSArray arrayWithObjects:@"A", @"B", @"C", @"D", nil];
return [Singleton shareSingleton].studentDic.allKeys;
}
// 设置Section表头标题
- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section{
/*if (section == 0) {
return @"A";
}
if (section == 1) {
return @"B";
}
if (section == 2) {
return @"C";
}
return @"D";*/
NSString *key = [[Singleton shareSingleton].studentDic.allKeys objectAtIndex:section];
return key;
}
// 选中cell触发的方法
// didDeselectRowAtIndexPath 选中的时候不触发，选中下一个cell时触发
// didSelectRowAtIndexPath 选中cell时触发
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
/*
// 选中的时候有置灰效果，离开时消失选中效果
[tableView deselectRowAtIndexPath:indexPath animated:YES];
// 自定义cell下标位置路径
NSIndexPath *indexPt = [NSIndexPath indexPathForRow:2 inSection:2];
// 滚动到某一行cell
[tableView scrollToRowAtIndexPath:indexPt atScrollPosition:UITableViewScrollPositionBottom animated:YES];
NSLog(@"section = %ld row = %ld",indexPath.section, indexPath.row);
FirstViewController *firstVC = [[FirstViewController alloc]init];
NSString *string1 = [NSString stringWithFormat:@"section = %ld,row = %ld",indexPath.section,indexPath.row];
firstVC.string = string1;
// firstVC.indexPath = self.indexPath;
[self.navigationController pushViewController: firstVC animated:YES];
*/
// 刷新全部数据
// [tableView reloadData];
// 刷新指定的cell,可以是多行
// 创建指定的某行的下标对象
NSIndexPath *index = [NSIndexPath indexPathForRow:0 inSection:0];
[tableView reloadRowsAtIndexPaths:[NSArray arrayWithObjects:indexPath,index, nil] withRowAnimation:UITableViewRowAnimationBottom];//indexPath 点击的 当前的Row
}
cell.detailTextLabel.text = @"副标题";
//设置cell显示图片
cell.imageView.image = [UIImage imageNamed:@""];
// 取消cell的置灰效果
// cell.selectionStyle = UITableViewCellSelectionStyleNone;
NSString *key = [[Singleton shareSingleton].studentDic.allKeys objectAtIndex:indexPath.section];
NSMutableArray *array = [[Singleton shareSingleton].studentDic objectForKey:key];
Student *stu = [array objectAtIndex:indexPath.row];
// cell.textLabel.text = stu.name;
//举例刷新（随机数）
NSString *string1 = [NSString stringWithFormat:@"%d",arc4random()%201];
cell.textLabel.text = string1;
return cell;
}
#pragma mark -- 设置字母检索
- (NSArray *)sectionIndexTitlesForTableView:(UITableView *)tableView{
// return [NSArray arrayWithObjects:@"A", @"B", @"C", @"D", nil];
return [Singleton shareSingleton].studentDic.allKeys;
}
// 设置Section表头标题
- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section{
/*if (section == 0) {
return @"A";
}
if (section == 1) {
return @"B";
}
if (section == 2) {
return @"C";
}
return @"D";*/
NSString *key = [[Singleton shareSingleton].studentDic.allKeys objectAtIndex:section];
return key;
}
// 选中cell触发的方法
// didDeselectRowAtIndexPath 选中的时候不触发，选中下一个cell时触发
// didSelectRowAtIndexPath 选中cell时触发
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
/*
// 选中的时候有置灰效果，离开时消失选中效果
[tableView deselectRowAtIndexPath:indexPath animated:YES];
// 自定义cell下标位置路径
NSIndexPath *indexPt = [NSIndexPath indexPathForRow:2 inSection:2];
// 滚动到某一行cell
[tableView scrollToRowAtIndexPath:indexPt atScrollPosition:UITableViewScrollPositionBottom animated:YES];
NSLog(@"section = %ld row = %ld",indexPath.section, indexPath.row);
FirstViewController *firstVC = [[FirstViewController alloc]init];
NSString *string1 = [NSString stringWithFormat:@"section = %ld,row = %ld",indexPath.section,indexPath.row];
firstVC.string = string1;
// firstVC.indexPath = self.indexPath;
[self.navigationController pushViewController: firstVC animated:YES];
*/
// 刷新全部数据
// [tableView reloadData];
// 刷新指定的cell,可以是多行
// 创建指定的某行的下标对象
NSIndexPath *index = [NSIndexPath indexPathForRow:0 inSection:0];
[tableView reloadRowsAtIndexPaths:[NSArray arrayWithObjects:indexPath,index, nil] withRowAnimation:UITableViewRowAnimationBottom];//indexPath 点击的 当前的Row
}
@end
========—————==========————===========
//
// FirstViewController.h
// FirstViewController.h
// UI09_UITableView
// Created by dllo on 15/10/28.
// Copyright (c) 2015年 z_han. All rights reserved.
//
// Copyright (c) 2015年 z_han. All rights reserved.
//
#import <UIKit/UIKit.h>
@interface FirstViewController : UIViewController
@property (nonatomic,retain)NSString *string;
//@property (nonatomic, retain)NSInteger indexPath;
@interface FirstViewController : UIViewController
@property (nonatomic,retain)NSString *string;
//@property (nonatomic, retain)NSInteger indexPath;
@end
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view.
self.view.backgroundColor = [UIColor colorWithRed:1.000 green:0.853 blue:0.000 alpha:1.000];
self.navigationItem.title = self.string;
// self.title = [NSString stringWithFormat:@"%d %d",self.indexPath.section, self.indexPath.row];
}
[super viewDidLoad];
// Do any additional setup after loading the view.
self.view.backgroundColor = [UIColor colorWithRed:1.000 green:0.853 blue:0.000 alpha:1.000];
self.navigationItem.title = self.string;
// self.title = [NSString stringWithFormat:@"%d %d",self.indexPath.section, self.indexPath.row];
}
@end
//
// Singleton.h
// UI09_UITableView
// Created by dllo on 15/10/28.
// Copyright (c) 2015年 z_han. All rights reserved.
//
#import <Foundation/Foundation.h>
@interface Singleton : NSObject
+ (instancetype)shareSingleton;
@property (nonatomic, retain)NSMutableDictionary *studentDic;
// Copyright (c) 2015年 z_han. All rights reserved.
//
#import <Foundation/Foundation.h>
@interface Singleton : NSObject
+ (instancetype)shareSingleton;
@property (nonatomic, retain)NSMutableDictionary *studentDic;
@end
//
// Singleton.m
// UI09_UITableView
// Created by dllo on 15/10/28.
// Copyright (c) 2015年 z_han. All rights reserved.
//
#import "Singleton.h"
#import "Student.h"
@implementation Singleton
#warning 问题 为什么不能调用-号方法
+ (instancetype)shareSingleton{
static Singleton *singleton = nil;
if (singleton == nil) {
// if里面只执行一次
singleton = [[Singleton alloc]init];
// self 在+号方法里代表当前的类
[singleton createStudentDic];
}
return singleton;
}
- (void)createStudentDic{
// 张啊
NSMutableDictionary *dic1 = [NSMutableDictionary dictionaryWithObjectsAndKeys:@"张啊", @"name", @"男", @"gender", nil];
// 王婷
NSMutableDictionary *dic2 = [NSMutableDictionary dictionaryWithObjectsAndKeys:@"王婷", @"name", @"女", @"gender", nil];
// 张前
// NSMutableDictionary *dic3 = [NSMutableDictionary dictionaryWithObjectsAndKeys:@"张前", @"name", @"男", @"gender", nil];
NSMutableArray *zhangArray = [NSMutableArray arrayWithObjects:dic1,dic2, nil];
// 王天
NSMutableDictionary *dic3 = [NSMutableDictionary dictionaryWithObjectsAndKeys:@"王天", @"name", @"男", @"gender", nil];
// 王飞
NSMutableDictionary *dic4 = [NSMutableDictionary dictionaryWithObjectsAndKeys:@"王飞", @"name", @"男", @"gender", nil];
NSMutableArray *wangArray = [NSMutableArray arrayWithObjects:dic3, dic4, nil];
// 大字典
NSMutableDictionary *bigDic = [NSMutableDictionary dictionaryWithObjectsAndKeys:zhangArray,@"Z",wangArray,@"W", nil];
NSLog(@"bigDic = %@",bigDic);
// 取两个以上的 要用遍历 for循环
// model
// 将大字典扒开，取到小字典里学生的信息，并赋值给model对象
// 创建最外层大字典
self.studentDic = [NSMutableDictionary dictionary];
for (NSString *Key in bigDic) {
// 根据key取出对应的数组
NSMutableArray *array = [bigDic objectForKey:Key];
// 创建一个新的数组，存model对象
NSMutableArray *stuArray = [NSMutableArray array];
for (NSMutableDictionary *dic in array) {
// 一个学生对象对应一个学生小字典
Student *stu = [[Student alloc]init];
stu.name = [dic objectForKey:@"name"];
stu.gender = [dic objectForKey:@"gender"];
// 将model对象存入数组中
[stuArray addObject:stu];
[stu release];
}
[self.studentDic setObject:stuArray forKey:Key];
}
// Copyright (c) 2015年 z_han. All rights reserved.
//
#import "Singleton.h"
#import "Student.h"
@implementation Singleton
#warning 问题 为什么不能调用-号方法
+ (instancetype)shareSingleton{
static Singleton *singleton = nil;
if (singleton == nil) {
// if里面只执行一次
singleton = [[Singleton alloc]init];
// self 在+号方法里代表当前的类
[singleton createStudentDic];
}
return singleton;
}
- (void)createStudentDic{
// 张啊
NSMutableDictionary *dic1 = [NSMutableDictionary dictionaryWithObjectsAndKeys:@"张啊", @"name", @"男", @"gender", nil];
// 王婷
NSMutableDictionary *dic2 = [NSMutableDictionary dictionaryWithObjectsAndKeys:@"王婷", @"name", @"女", @"gender", nil];
// 张前
// NSMutableDictionary *dic3 = [NSMutableDictionary dictionaryWithObjectsAndKeys:@"张前", @"name", @"男", @"gender", nil];
NSMutableArray *zhangArray = [NSMutableArray arrayWithObjects:dic1,dic2, nil];
// 王天
NSMutableDictionary *dic3 = [NSMutableDictionary dictionaryWithObjectsAndKeys:@"王天", @"name", @"男", @"gender", nil];
// 王飞
NSMutableDictionary *dic4 = [NSMutableDictionary dictionaryWithObjectsAndKeys:@"王飞", @"name", @"男", @"gender", nil];
NSMutableArray *wangArray = [NSMutableArray arrayWithObjects:dic3, dic4, nil];
// 大字典
NSMutableDictionary *bigDic = [NSMutableDictionary dictionaryWithObjectsAndKeys:zhangArray,@"Z",wangArray,@"W", nil];
NSLog(@"bigDic = %@",bigDic);
// 取两个以上的 要用遍历 for循环
// model
// 将大字典扒开，取到小字典里学生的信息，并赋值给model对象
// 创建最外层大字典
self.studentDic = [NSMutableDictionary dictionary];
for (NSString *Key in bigDic) {
// 根据key取出对应的数组
NSMutableArray *array = [bigDic objectForKey:Key];
// 创建一个新的数组，存model对象
NSMutableArray *stuArray = [NSMutableArray array];
for (NSMutableDictionary *dic in array) {
// 一个学生对象对应一个学生小字典
Student *stu = [[Student alloc]init];
stu.name = [dic objectForKey:@"name"];
stu.gender = [dic objectForKey:@"gender"];
// 将model对象存入数组中
[stuArray addObject:stu];
[stu release];
}
[self.studentDic setObject:stuArray forKey:Key];
}
}
@end
//
// Student.h
// UI09_UITableView
//
// Created by dllo on 15/10/21.
// Copyright (c) 2015年 z_han. All rights reserved.
//
#import <Foundation/Foundation.h>
@interface Student : NSObject
@property (nonatomic,copy)NSString *name;
@property (nonatomic,copy)NSString *gender;
// UI09_UITableView
//
// Created by dllo on 15/10/21.
// Copyright (c) 2015年 z_han. All rights reserved.
//
#import <Foundation/Foundation.h>
@interface Student : NSObject
@property (nonatomic,copy)NSString *name;
@property (nonatomic,copy)NSString *gender;
@end
// Student.m
// UI09_UITableView
//
// Created by dllo on 15/10/21.
// Copyright (c) 2015年 z_han. All rights reserved.
//
// Created by dllo on 15/10/21.
// Copyright (c) 2015年 z_han. All rights reserved.
//
#import "Student.h"
@implementation Student
@implementation Student
@end
