ios - 将所选值放入文本字​​段中

Question

当用户在 pickerView 中选择一个项目并按“确定”按钮时，我必须将所选项目放入 UITextField 中，那么在“确定”按钮的 IBAction 中我应该放置什么？提前谢谢:)这是我的“确定”按钮代码:

-(IBAction)okButton{
    [billTotal setText:@"Hi"];//the text field name is billTotal, this didn't work :(

    [UIView beginAnimations:nil context:nil];
    [UIView setAnimationDuration:0.5];
    CGAffineTransform transform = CGAffineTransformMakeTranslation(0, 480);
    pickerView.transform = transform;
    [UIView commitAnimations];  
}

Answer 1

像这样:

...
NSInteger selectedRow = [picker selectedRowInComponent:0];
billTotal.text = [NSString stringWithFormat:@"%d", selectedRow];
...

This didn't work

检查您的 socket 是否连接到文本字段，并且调用“okButton”选择器