在焦点上打开 datepicker
此示例还包括使用属性：
- 分
- 最大
- startAt
- startView
- 头锤
日期选择器 - 概述 - example.html 的：
<h2>Options</h2>
<p>
<md-checkbox [(ngModel)]="touch">Use touch UI</md-checkbox>
<md-checkbox [(ngModel)]="filterOdd">Filter odd months and dates</md-checkbox>
<md-checkbox [(ngModel)]="yearView">Start in year view</md-checkbox>
</p>
<p>
<md-input-container>
<input mdInput [mdDatepicker]="minDatePicker" [(ngModel)]="minDate" placeholder="Min date" (keydown)="false" (click)="minDatePicker.open()">
<button mdSuffix [mdDatepickerToggle]="minDatePicker"></button>
</md-input-container>
<md-datepicker #minDatePicker [touchUi]="touch"></md-datepicker>
<md-input-container>
<input mdInput [mdDatepicker]="maxDatePicker" [(ngModel)]="maxDate" placeholder="Max date" (keydown)="false" (focus)="maxDatePicker.open()">
<button mdSuffix [mdDatepickerToggle]="maxDatePicker"></button>
</md-input-container>
<md-datepicker #maxDatePicker [touchUi]="touch"></md-datepicker>
</p>
<p>
<md-input-container>
<input mdInput [mdDatepicker]="startAtPicker" [(ngModel)]="startAt" placeholder="Start at date" (keydown)="false" (focus)="startAtPicker.open()">
<button mdSuffix [mdDatepickerToggle]="startAtPicker"></button>
</md-input-container>
<md-datepicker #startAtPicker [touchUi]="touch"></md-datepicker>
</p>
<h2>Result</h2>
<p>
<button [mdDatepickerToggle]="resultPicker"></button>
<md-input-container>
<input mdInput
#resultPickerModel="ngModel"
[mdDatepicker]="resultPicker"
[(ngModel)]="date"
[min]="minDate"
[max]="maxDate"
[mdDatepickerFilter]="filterOdd ? dateFilter : null"
placeholder="Pick a date"
(keydown)="false"
(focus)="resultPicker.open()">
<md-error *ngIf="resultPickerModel.hasError('mdDatepickerMin')">Too early!</md-error>
<md-error *ngIf="resultPickerModel.hasError('mdDatepickerMax')">Too late!</md-error>
<md-error *ngIf="resultPickerModel.hasError('mdDatepickerFilter')">Date unavailable!</md-error>
</md-input-container>
<md-datepicker
#resultPicker
[touchUi]="touch"
[startAt]="startAt"
[startView]="yearView ? 'year' : 'month'">
</md-datepicker>
</p>
<p>
<input [mdDatepicker]="resultPicker2"
[(ngModel)]="date"
[min]="minDate"
[max]="maxDate"
[mdDatepickerFilter]="filterOdd ? dateFilter : null"
(focus)="resultPicker2.open()"
placeholder="Pick a date"
(keydown)="false">
<button [mdDatepickerToggle]="resultPicker2"></button>
<md-datepicker
#resultPicker2
[touchUi]="touch"
[startAt]="startAt"
[startView]="yearView ? 'year' : 'month'">
</md-datepicker>
</p>
日期选择器 - 概述 - example.ts：
import {Component, OnInit} from '@angular/core';
import {MdDatepicker} from '@angular/material';
@Component({
selector: 'datepicker-overview-example',
templateUrl: 'datepicker-overview-example.html'
})
export class DatepickerOverviewExample implements OnInit {
touch: boolean;
filterOdd: boolean;
yearView: boolean;
minDate: Date;
maxDate: Date;
startAt: Date;
date: Date;
dateFilter = (date: Date) => date.getMonth() % 2 == 1 && date.getDate() % 2 == 0;
}