UI_UITableView界面传值(将前面的属性传值和协议传值结合起来)

RootViewController.m#import "RootViewController.h"#import "SecondViewController.h"@interface RootViewController ()<UITableViewDataSource,UITableViewDelegate,SecondViewControllerDelegate>@property(nonatomic, retain)UITableView *tableView;@property(nonatomic, retain)NSMutableArray *array;@end@implementation RootViewController- (void)dealloc{    [_array release];    [_tableView release];    [super dealloc];}- (instancetype)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];    if (self) {        self.array = [NSMutableArray arrayWithObjects:@"宋江", @"卢俊义", @"吴用", @"公孙胜", @"关胜", @"林冲", @"秦明" ,@"呼延灼" , @"花荣",@"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.view.backgroundColor = [UIColor whiteColor];    // 创建一个tableView,并且签好两个协议    self.tableView = [[UITableView alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height) style:UITableViewStylePlain];    self.tableView.backgroundColor = [UIColor greenColor];    [self.view addSubview:self.tableView];    [_tableView release];    self.tableView.dataSource = self;    self.tableView.delegate = self;    self.tableView.rowHeight = 100;    // Plist文件用法    NSString *path = [[NSBundle mainBundle] pathForResource:@"Student" ofType:@"plist"];    NSDictionary *dic = [NSDictionary dictionaryWithContentsOfFile:path];    NSLog(@"%@",dic);}- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {    return self.array.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.array[indexPath.row];    cell.detailTextLabel.text = @"水浒";    cell.imageView.image = [UIImage imageNamed:@"10.jpg"];    return cell;}- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {    NSLog(@"%ld", indexPath.row);    SecondViewController *second = [[SecondViewController alloc] init];    [self.navigationController pushViewController:second animated:YES];    [second release];    // 利用属性传值.    second.str = self.array[indexPath.row];    second.delegate = self;}- (void)takeValue:(NSString *)strValue {    // 把传过来的字符串放到数组中.    [self.array addObject:strValue];    // 刷新tableView.    [self.tableView reloadData];}

SecondViewController.h#import <UIKit/UIKit.h>@protocol SecondViewControllerDelegate <NSObject>- (void)takeValue:(NSString *)strValue;@end@interface SecondViewController : UIViewController@property(nonatomic, copy)NSString *str;@property(nonatomic, assign)id<SecondViewControllerDelegate>delegate;@end

SecondViewController.m#import "SecondViewController.h"@interface SecondViewController ()@property(nonatomic, retain)UITextField *textField;@end@implementation SecondViewController- (void)dealloc{    [_textField release];    [super dealloc];}- (void)viewDidLoad {    [super viewDidLoad];    // Do any additional setup after loading the view.    self.view.backgroundColor = [UIColor whiteColor];    self.textField = [[UITextField alloc] initWithFrame:CGRectMake(100, 100, 200, 50)];    self.textField.layer.borderWidth = 1;    self.textField.layer.cornerRadius = 10;    [self.view addSubview:self.textField];    [_textField release];    self.textField.text = self.str;    UIButton *button = [UIButton buttonWithType:UIButtonTypeSystem];    button.frame = CGRectMake(100, 200, 200, 50);    [button setTitle:@"返回" forState:UIControlStateNormal];    button.layer.borderWidth = 1;    button.layer.cornerRadius = 10 ;    [self.view addSubview:button];    [button addTarget:self action:@selector(clickAction:) forControlEvents:UIControlEventTouchUpInside];}- (void)clickAction:(UIButton *)button {    [self.navigationController popToRootViewControllerAnimated:YES];    [self.delegate takeValue:self.textField.text];}