Oc AlertView 添加/删除/修改 到表格 -demo

来源:互联网 发布:魔卡幻想 淘宝 编辑:程序博客网 时间:2024/06/08 15:15

注意:AlertView 要使用8.0版本
先添加导航条
控制器1

#import "ViewController.h"@interface ViewController ()<UIActionSheetDelegate,UIAlertViewDelegate,UITableViewDataSource,UITableViewDelegate>@property(nonatomic ,strong)UITableView *table;@property(nonatomic ,strong)NSMutableArray *Marr;@property(nonatomic ,assign)NSInteger integer;@end@implementation ViewController- (void)viewDidLoad {    [super viewDidLoad];    self.navigationItem.title=@"表格";    UITableView * table =[[UITableView alloc]initWithFrame:self.view.bounds style:UITableViewStylePlain];    table.delegate=self;    table.dataSource=self;    [self.view addSubview:table];    self.Marr=[NSMutableArray arrayWithObjects:@"n",@"n",@"n",@"n",@"n", nil];    UIBarButtonItem * left =[[UIBarButtonItem alloc]initWithTitle:@"编辑" style:UIBarButtonItemStylePlain target:self action:@selector(Edit)];    self.navigationItem.leftBarButtonItem=left;    UIBarButtonItem * right =[[UIBarButtonItem alloc]initWithTitle:@"添加" style:UIBarButtonItemStylePlain target:self action:@selector(Add)];    self.navigationItem.rightBarButtonItem=right;    self.table = table;}//编辑方法- (void)Edit {    //开始编辑    [self.table setEditing:!self.table.editing animated:YES];}- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath{    //从数据源上删除    [self.Marr removeObjectAtIndex:0];    [tableView deleteRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationTop];    [self.table setEditing:NO animated:YES];}//添加和修改-(void)Add{    UIAlertView * alert =[[UIAlertView alloc]initWithTitle:@"信息" message:@"添加" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"确定", nil];    alert.alertViewStyle=UIAlertViewStylePlainTextInput;    alert.delegate=self;    alert.tag=100;    [alert show];}- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex{    UITextField * text =[alertView textFieldAtIndex:0];    if (buttonIndex==1&&alertView.tag==100) {        [self.Marr addObject:text.text];    }    else if(buttonIndex==1 && alertView.tag==101){        [self.Marr replaceObjectAtIndex:self.integer withObject:text.text];    }    [self.table reloadData];}- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{    return self.Marr.count;}- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{    static NSString * cellID =@"cell";    UITableViewCell *cell =[tableView dequeueReusableCellWithIdentifier:cellID];    if (cell==nil) {        cell=[[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cellID];    }    cell.textLabel.text=self.Marr[indexPath.row];    return cell;}- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{    self.integer=indexPath.row;    UIActionSheet * action =[[UIActionSheet alloc]initWithTitle:@"修改信息" delegate:self cancelButtonTitle:@"取消" destructiveButtonTitle:nil otherButtonTitles:@"修改", nil];    action.delegate=self;    [action showInView:self.view];}- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex{    if (buttonIndex==0) {        UIAlertView * alert1 =[[UIAlertView alloc]initWithTitle:@"信息" message:@"修改信息" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"确定", nil];        alert1.alertViewStyle=UIAlertViewStylePlainTextInput;        alert1.delegate=self;        alert1.tag=101;        [alert1 show];    }}@end
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