UIPickerView設置已選​​中

Question

我有一個uipickerview，您可以選擇已設置為數組的項目，但我正在努力研究如何將uilabel的文本設置為所選選項。

這是我用來創建uipicker委托和數據源的代碼：

-(NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component {
    return [treatments count];
}

- (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView {
    return 1;
}

- (NSString *)pickerView:(UIPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component
{
      return[[treatments objectAtIndex:row]valueForKey:@"treatmentName"];
}

-(void)pickerView:(UIPickerView *)pickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component {

}

我所知道的是，它必須在uipicker didselectrow函數中完成

提前致謝

Answer 1

在下面的方法中設置文本標簽

-(void)pickerView:(UIPickerView *)pickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component {
      yourLbl.text = [[treatments objectAtIndex:row]valueForKey:@"treatmentName"];
}