获取UITableView每行中不同的UITextField输入的内容(例如修改登陆密码)

@interface AZTPasswordModifyViewController ()<UITableViewDelegate, UITableViewDataSource>{

        NSString *_theOldPassword ;

        NSString *_theNewPassword;

        NSString *_theTwiceNewPassword;

    }

 

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath*)indexPath

{

    NSInteger row = [indexPath row];

    

    static NSString  *CellIdentifier = @"CellIdentifier";

    

    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];

    

    if (cell == nil) {

        cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];

        cell.selectionStyle = UITableViewCellSelectionStyleNone;

    }

    

    cell.textLabel.text = [_passwordArray objectAtIndex:row];

    

    CGRect textFieldRect = CGRectMake(0.0, 0.0f, 215.0f, 31.0f);

    UITextField *theTextField = [[UITextField alloc] initWithFrame:textFieldRect];

    theTextField.contentVerticalAlignment = UIControlContentVerticalAlignmentCenter;

    theTextField.returnKeyType = UIReturnKeyDone;

    theTextField.secureTextEntry = YES;

    theTextField.clearButtonMode = YES;

    theTextField.tag = row;

    theTextField.delegate = self;

 

//此方法为关键方法

    [theTextField addTarget:self action:@selector(textFieldWithText:)forControlEvents:UIControlEventEditingChanged];

    

    switch (row) {

        case 0:

            theTextField.placeholder = @"请输入旧密码";

            break;

        case 1:

            theTextField.placeholder = @"请输入新密码";

            break;

        case 2:

            theTextField.placeholder = @"请再次输入新密码";

            break;

        default:

            break;

    }

    

    cell.accessoryView = theTextField; 

    [theTextField release];

    

    return cell;

}

 

- (void)textFieldWithText:(UITextField *)textField

{

    switch (textField.tag) {

        case 0:

            self.theOldPassword = textField.text;

            break;

        case 1:

            self.theNewPassword = textField.text;

            break;

        case 2:

            self.theTwiceNewPassword = textField.text;

            break;

        default:

            break;

    }

}