本文介绍了在 UIPickerView 问题中选择第一行的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我有很多文本框和一个带有 toolBar
的 pickerView
,它有一个 done 按钮
.我的问题是我无法从选择器中选择第一行.虽然我在 didSelectRow 中进行了调试,但它不会在其中运行.那么请问我的问题在哪里?
I've a many textfield and a pickerView
with toolBar
and it has a done button
. My issue is I can't select the first row from the picker. While I have debugged in the didSelectRow but it won't run inside it. So please where would be my issue?
func pickerView(pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int) {
var value = currentPickerArray[row]
textFieldOutletArray[currentTag].text = value
}
推荐答案
只需替换示例代码中的 didSelect
方法,如下所示.它会正常工作.
Just replace didSelect
method in your sample code like as bellowed. it will working fine.
@IBAction func doneBtn(sender: AnyObject) {
var row = pickerView.selectedRowInComponent(0);
NSLog("value L %d", row)
pickerView(pickerView, didSelectRow: row, inComponent:0)
}
希望对您有所帮助.
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