swift5.0 UIPickerView基础使用
swift5.0 UIPickerView基础使用func addPickerView() {//选择器self.pickerView = UIPickerView()//因为该Controller中实现了UIPickerViewDataSource接口所以将dataSource设置成自己self.pickerView.dataSource = self//将delegate设置成自己self.pickerView.delegate = self//设置PickerView默认值,inComponent索引为0是选择pickerProvincesData数据，row为1是选择pickerProvincesData数据的索引为1的内容self.pickerView.selectRow(1, inComponent: 0, animated: true)//inComponent索引为1是选择pickerCitiesData数据，row为2是选择pickerCitiesData数据的索引为2的内容self.pickerView.selectRow(2, inComponent: 1, animated: true)self.view.addSubview(self.pickerView)addAutoLayout(obj: self.pickerView)//刷新所有数据// self.pickerView.reloadAllComponents()}
文件大小：39.94KB
评论区