实现两个界面之间内容的传递

//
//  MainViewController.m
//  UI08_TableView界面传值
//
//  Created by dllo on 15/8/7.
//  Copyright (c) 2015年 zhozhicheng. All rights reserved.
//#import "MainViewController.h"
#import "SecondViewController.h"
@interface MainViewController ()<UITableViewDataSource,UITableViewDelegate,SecondViewControllerDelegate>
@property(nonatomic,retain)NSMutableArray *arr;
@property(nonatomic,retain)UITableView *tableView;
@property(nonatomic,retain)UIImageView *imageView;
@end@implementation MainViewController
-(void)dealloc
{[_arr release];[_imageView release];[_tableView release];[super dealloc];
}
-(instancetype)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{self =[super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];if (self) {self.arr = [NSMutableArray arrayWithObjects:@"宋江", @"卢俊义", @"吴用", @"公孙胜", @"关胜", @"林冲", @"秦明" ,@"呼延灼" , @"花容",@"柴进", @"李应", @"朱仝",@"鲁智深",@"武松",nil];}return self;
}- (void)viewDidLoad {[super viewDidLoad];// Do any additional setup after loading the view.self.navigationController.navigationBar.translucent=NO;self.navigationItem.title=@"表视图";self.tableView=[[UITableView alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height) style:UITableViewStylePlain];self.tableView.backgroundColor=[UIColor yellowColor];[self.view addSubview:self.tableView];[self.tableView release];self.tableView.rowHeight=50;self.tableView.dataSource=self;self.tableView.delegate=self;self.imageView=[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"h1.jpeg"]];self.imageView.frame=CGRectMake(0, -200, self.view.frame.size.width, 200);//给tableview加入头视图//宽是tableview的宽度
//    self.tableView.tableHeaderView=self.imageView;[self.tableView addSubview:self.imageView];self.tableView.contentInset=UIEdgeInsetsMake(200, 0, 0, 0);}
#pragma mark tableview的delegate已经签订好scrollerView的协议,仅仅要设置代理人,就能够使用scrollerview的协议方法
//仅仅要滑动就会触发
-(void)scrollViewDidScroll:(UIScrollView *)scrollView
{//获取偏移量CGFloat y=scrollView.contentOffset.y;NSLog(@"%g",y);if (y<0) {self.imageView.frame=CGRectMake(0, y, self.view.frame.size.width, -y);}
}-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{return self.arr.count;
}-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{static NSString *reuse=@"reuse";UITableViewCell *cell =[tableView dequeueReusableCellWithIdentifier:reuse];if (!cell) {cell =[[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:reuse] autorelease];
}cell.textLabel.text=self.arr[indexPath.row];cell.detailTextLabel.text=[NSString stringWithFormat:@"%ld",indexPath.section];cell.imageView.image=[UIImage imageNamed:@"天平.png"];return cell;}- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section
{return @"水浒";
}- (NSArray *)sectionIndexTitlesForTableView:(UITableView *)tableView
{return self.arr;
}-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{return 1;
}- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{SecondViewController *secVC=[[SecondViewController alloc] init];secVC.name= self.arr[indexPath.row];[self.navigationController pushViewController:secVC animated:YES];[secVC release];//secVC.delegate=self;}-(void)changeValue:(NSString *)value
{//属性的数组,相当于数据源,把传过来的值加入到数组中[self.arr addObject:value];//对数据进行刷新[self.tableView reloadData];
}- (void)didReceiveMemoryWarning {[super didReceiveMemoryWarning];// Dispose of any resources that can be recreated.
}/*
#pragma mark - Navigation// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {// Get the new view controller using [segue destinationViewController].// Pass the selected object to the new view controller.
}
*/@end

//
//  SecondViewController.h
//  UI08_TableView界面传值
//
//  Created by dllo on 15/8/7.
//  Copyright (c) 2015年 zhozhicheng. All rights reserved.
//#import <UIKit/UIKit.h>
@protocol SecondViewControllerDelegate <NSObject>//协议方法
-(void)changeValue:(NSString *)value;@end
@interface SecondViewController : UIViewController
@property(nonatomic,copy)NSString *name;@property(nonatomic,assign)id<SecondViewControllerDelegate>delegate;@end

//
//  SecondViewController.m
//  UI08_TableView界面传值
//
//  Created by dllo on 15/8/7.
//  Copyright (c) 2015年 zhozhicheng. All rights reserved.
//#import "SecondViewController.h"@interface SecondViewController ()
@property(nonatomic,retain)UILabel *label;
@property(nonatomic,retain)UITextField *textfield;
@property(nonatomic,retain)UIButton *button;@end@implementation SecondViewController
-(void)dealloc
{[_label release];[_textfield release];[_button release];[_name release];[super dealloc];
}
- (void)viewDidLoad {[super viewDidLoad];// Do any additional setup after loading the view.self.view.backgroundColor=[UIColor cyanColor];self.label=[[UILabel alloc] initWithFrame:CGRectMake(100, 100, 150, 40)];self.label.backgroundColor=[UIColor redColor];self.label.layer.borderWidth=1;self.label.layer.cornerRadius=10;[self.view addSubview:self.label];//赋值self.label.text=self.name;[self.label release];self.textfield=[[UITextField alloc] initWithFrame:CGRectMake(100, 200, 150, 40)];self.textfield.layer.borderWidth=1;self.textfield.layer.cornerRadius=10;[self.view addSubview:self.textfield];[self.textfield release];self.button=[UIButton buttonWithType:UIButtonTypeSystem];self.button.frame=CGRectMake(200, 300, 150, 30);[self.button setTitle:@"返回" forState:UIControlStateNormal];[self.view addSubview:self.button];self.button.layer.borderWidth=1;self.button.layer.cornerRadius=5;[self.button addTarget:self action:@selector(click:) forControlEvents:UIControlEventTouchUpInside];}
-(void)click:(UIButton *)button
{[self.delegate changeValue:self.textfield.text];[self.navigationController popToRootViewControllerAnimated:YES];
}- (void)didReceiveMemoryWarning {[super didReceiveMemoryWarning];// Dispose of any resources that can be recreated.
}/*
#pragma mark - Navigation// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {// Get the new view controller using [segue destinationViewController].// Pass the selected object to the new view controller.
}
*/@end