1 //修改彈出對話框的樣式
 2 alertView.alertViewStyle = UIAlertViewStylePlainTextInput;
 3 
 4 //根據(jù)索引獲取指定的某個(gè)文本框
 5 [alertView textFieldAtIndex :0]
 6 [alertView textFieldAtIndex :0].text = her.name;
 7 
 8 //通過UIAlertView的代理來監(jiān)聽對話框中的按鈕的點(diǎn)擊事件
 9 //實(shí)現(xiàn)UIAlertView的 
10 -(void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex 代理方法

 1 -(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
 2     CZHero *hero = self.heros[indexPath.row];
 3     UIAlertView *alertView = [[UIAlertView alloc]initWithTitle:@"提示" message:nil delegate:self cancelButtonTitle:@"取消" otherButtonTitels:@"確定",nil];
 4 
 5     alertView.alertViewStyle = UIAlertViewStylePlainTextInput;
 6     [alertView textFieldAtIndex:0].text = hero.name;
 7 
 8     //記錄當(dāng)前點(diǎn)擊行的行號
 9     alertView.tag = indexPath.row;
10     [alertView show]
11 }
12 
13 #pragma mark - alertView的代理方法
14 -(void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger) buttonIndex{
15     //判斷點(diǎn)擊的是哪個(gè)按鈕
16     if(buttonIndex ==1){
17         //獲取文本框中的數(shù)據(jù)
18         NSString *name = [alertView textFieldAtIndex:0].text;
19 
20         //修改模型數(shù)據(jù)
21         //根據(jù)行號,獲取當(dāng)前點(diǎn)擊行的模型數(shù)據(jù)
22         CZHero *hero = self.heros[alertView.tag];
23         hero.name = name;
24 
25         //重新刷新TableView數(shù)據(jù)
26         //重新刷新整個(gè)TableView,UITableView會重新向 datasource請求數(shù)據(jù)
27         //重新調(diào)用數(shù)據(jù)源方法
28         //[self.tableView reloadData];//不好重新刷新整個(gè)TableView
29        
30         //局部刷新
31         //創(chuàng)建一個(gè)indexPath對象
32         NSIndexPath *path = [NSIndexPath indexPathForRow:alertView.tag inSection:0];
33 
34         [self.tableView reloadRowsAtIndexPaths:@[path] withRowAnimation:UITableViewRowAnimationLeft];
35     }
36 }