## API
### TDDatePicker
#### 默认构造方法

| 参数 | 类型 | 默认值 | 说明 |
| --- | --- | --- | --- |
| title | String | - | 选择器标题 |
| onConfirm | DatePickerCallback? | - | 选择器确认按钮回调 |
| rightText | String? | - | 右侧按钮文案 |
| leftText | String? | - | 左侧按钮文案 |
| onCancel | DatePickerCallback? | - | 选择器取消按钮回调 |
| backgroundColor | Color? | - | 背景颜色 |
| titleDividerColor | Color? | - | 标题分割线颜色 |
| topRadius | double? | - | 顶部圆角 |
| titleHeight | double? | - | 标题高度 |
| padding | EdgeInsets? | - | 适配padding |
| leftPadding | double? | - | 左边填充 |
| rightPadding | double? | - | 右边填充 |
| leftTextStyle | TextStyle? | - | 自定义左侧文案样式 |
| rightTextStyle | TextStyle? | - | 自定义右侧文案样式 |
| centerTextStyle | TextStyle? | - | 自定义中间文案样式 |
| customSelectWidget | Widget? | - | 自定义选择框样式 |
| itemDistanceCalculator | ItemDistanceCalculator? | - | 根据距离计算字体颜色、透明度、粗细 |
| model | DatePickerModel | - | 数据模型 |
| showTitle | bool | true | 是否展示标题 |
| pickerHeight | double | 200 | 选择器List的视窗高度，默认200 |
| pickerItemCount | int | - | 选择器List视窗中item个数，pickerHeight / pickerItemCount即item高度 |
| onSelectedItemChanged | void Function(int index)? | - | 选择器选中项改变回调 |
| key |  | - |  |

```
```
 ### TDPicker

#### 静态方法

| 名称 | 返回类型 | 参数 | 说明 |
| --- | --- | --- | --- |
| showDatePicker |  |   required null context,  required String title,  required DatePickerCallback? onConfirm,  DatePickerCallback? onCancel,  bool useYear,  bool useMonth,  bool useDay,  bool useHour,  bool useMinute,  bool useSecond,  bool useWeekDay,  Color? barrierColor,  List<int> dateStart,  List<int>? dateEnd,  List<int>? initialDate,  String? rightText,  String? leftText,  TextStyle? leftTextStyle,  TextStyle? centerTextStyle,  TextStyle? rightTextStyle,  Color? titleDividerColor,  Duration duration,  double pickerHeight,  int pickerItemCount, | 显示时间选择器 |
| showMultiPicker |  |   required null context,  String? title,  required MultiPickerCallback? onConfirm,  MultiPickerCallback? onCancel,  required List<List<String>> data,  List<int>? initialIndexes,  Duration duration,  Color? barrierColor,  double pickerHeight,  String? rightText,  String? leftText,  TextStyle? leftTextStyle,  TextStyle? centerTextStyle,  TextStyle? rightTextStyle,  Color? titleDividerColor,  double? topPadding,  int pickerItemCount, | 显示多级选择器 |
| showMultiLinkedPicker |  |   required null context,  String? title,  required MultiPickerCallback? onConfirm,  MultiPickerCallback? onCancel,  required Map data,  required int columnNum,  required List initialData,  Duration duration,  Color? barrierColor,  String? rightText,  String? leftText,  TextStyle? leftTextStyle,  TextStyle? centerTextStyle,  TextStyle? rightTextStyle,  double pickerHeight,  Color? titleDividerColor,  double? topPadding,  int pickerItemCount, | 显示多级联动选择器 |