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492 lines
15 KiB
Markdown
492 lines
15 KiB
Markdown
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## DatePicker
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Use Date Picker for date input.
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### Enter Date
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Basic date picker measured by 'day'.
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:::demo The measurement is determined by the `type` attribute. You can enable quick options by creating a `picker-options` object with `shortcuts` property. The disabled date is set by `disabledDate`, which is a function.
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```html
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<template>
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<div class="block">
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<span class="demonstration">Default</span>
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<el-date-picker
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v-model="value1"
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type="date"
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placeholder="Pick a day">
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</el-date-picker>
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</div>
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<div class="block">
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<span class="demonstration">Picker with quick options</span>
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<el-date-picker
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v-model="value2"
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type="date"
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placeholder="Pick a day"
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:picker-options="pickerOptions">
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</el-date-picker>
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</div>
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</template>
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<script>
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export default {
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data() {
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return {
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pickerOptions: {
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disabledDate(time) {
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return time.getTime() > Date.now();
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},
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shortcuts: [{
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text: 'Today',
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onClick(picker) {
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picker.$emit('pick', new Date());
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}
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}, {
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text: 'Yesterday',
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onClick(picker) {
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const date = new Date();
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date.setTime(date.getTime() - 3600 * 1000 * 24);
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picker.$emit('pick', date);
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}
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}, {
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text: 'A week ago',
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onClick(picker) {
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const date = new Date();
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date.setTime(date.getTime() - 3600 * 1000 * 24 * 7);
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picker.$emit('pick', date);
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}
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}]
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},
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value1: '',
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value2: '',
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};
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}
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};
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</script>
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```
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:::
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### Other measurements
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You can choose week, month, year or multiple dates by extending the standard date picker component.
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:::demo
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```html
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<div class="container">
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<div class="block">
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<span class="demonstration">Week</span>
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<el-date-picker
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v-model="value1"
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type="week"
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format="Week WW"
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placeholder="Pick a week">
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</el-date-picker>
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</div>
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<div class="block">
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<span class="demonstration">Month</span>
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<el-date-picker
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v-model="value2"
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type="month"
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placeholder="Pick a month">
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</el-date-picker>
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</div>
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</div>
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<div class="container">
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<div class="block">
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<span class="demonstration">Year</span>
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<el-date-picker
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v-model="value3"
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type="year"
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placeholder="Pick a year">
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</el-date-picker>
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</div>
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<div class="block">
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<span class="demonstration">Dates</span>
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<el-date-picker
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type="dates"
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v-model="value4"
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placeholder="Pick one or more dates">
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</el-date-picker>
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</div>
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</div>
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<script>
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export default {
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data() {
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return {
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value1: '',
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value2: '',
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value3: '',
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value4: ''
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};
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}
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};
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</script>
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```
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:::
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### Date Range
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Picking a date range is supported.
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:::demo When in range mode, the left and right panels are linked by default. If you want the two panels to switch current months independently, you can use the `unlink-panels` attribute.
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```html
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<template>
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<div class="block">
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<span class="demonstration">Default</span>
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<el-date-picker
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v-model="value1"
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type="daterange"
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range-separator="To"
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start-placeholder="Start date"
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end-placeholder="End date">
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</el-date-picker>
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</div>
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<div class="block">
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<span class="demonstration">With quick options</span>
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<el-date-picker
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v-model="value2"
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type="daterange"
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align="right"
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unlink-panels
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range-separator="To"
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start-placeholder="Start date"
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end-placeholder="End date"
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:picker-options="pickerOptions">
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</el-date-picker>
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</div>
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</template>
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<script>
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export default {
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data() {
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return {
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pickerOptions: {
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shortcuts: [{
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text: 'Last week',
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onClick(picker) {
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const end = new Date();
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const start = new Date();
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start.setTime(start.getTime() - 3600 * 1000 * 24 * 7);
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picker.$emit('pick', [start, end]);
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}
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}, {
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text: 'Last month',
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onClick(picker) {
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const end = new Date();
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const start = new Date();
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start.setTime(start.getTime() - 3600 * 1000 * 24 * 30);
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picker.$emit('pick', [start, end]);
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}
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}, {
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text: 'Last 3 months',
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onClick(picker) {
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const end = new Date();
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const start = new Date();
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start.setTime(start.getTime() - 3600 * 1000 * 24 * 90);
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picker.$emit('pick', [start, end]);
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}
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}]
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},
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value1: '',
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value2: ''
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};
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}
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};
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</script>
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```
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:::
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### Month Range
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Picking a month range is supported.
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:::demo When in range mode, the left and right panels are linked by default. If you want the two panels to switch current years independently, you can use the `unlink-panels` attribute.
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```html
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<template>
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<div class="block">
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<span class="demonstration">Default</span>
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<el-date-picker
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v-model="value1"
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type="monthrange"
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range-separator="To"
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start-placeholder="Start month"
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end-placeholder="End month">
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</el-date-picker>
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</div>
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<div class="block">
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<span class="demonstration">With quick options</span>
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<el-date-picker
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v-model="value2"
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type="monthrange"
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align="right"
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unlink-panels
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range-separator="To"
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start-placeholder="Start month"
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end-placeholder="End month"
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:picker-options="pickerOptions">
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</el-date-picker>
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</div>
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</template>
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<script>
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export default {
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data() {
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return {
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pickerOptions: {
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shortcuts: [{
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text: 'This month',
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onClick(picker) {
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picker.$emit('pick', [new Date(), new Date()]);
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}
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}, {
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text: 'This year',
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onClick(picker) {
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const end = new Date();
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const start = new Date(new Date().getFullYear(), 0);
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picker.$emit('pick', [start, end]);
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}
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}, {
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text: 'Last 6 months',
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onClick(picker) {
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const end = new Date();
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const start = new Date();
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start.setMonth(start.getMonth() - 6);
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picker.$emit('pick', [start, end]);
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}
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}]
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},
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value1: '',
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value2: ''
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};
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}
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};
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</script>
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```
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:::
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### Default Value
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If user hasn't picked a date, shows today's calendar by default. You can use `default-value` to set another date. Its value should be parsable by `new Date()`.
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If type is `daterange`, `default-value` sets the left side calendar.
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:::demo
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```html
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<template>
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<div class="block">
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<span class="demonstration">date</span>
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<el-date-picker
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v-model="value1"
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type="date"
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placeholder="Pick a date"
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default-value="2010-10-01">
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</el-date-picker>
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</div>
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<div class="block">
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<span class="demonstration">daterange</span>
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<el-date-picker
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v-model="value2"
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type="daterange"
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align="right"
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start-placeholder="Start Date"
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end-placeholder="End Date"
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default-value="2010-10-01">
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</el-date-picker>
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</div>
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</template>
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<script>
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export default {
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data() {
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return {
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value1: '',
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value2: ''
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};
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}
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};
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</script>
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```
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:::
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### Date Formats
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Use `format` to control displayed text's format in the input box. Use `value-format` to control binding value's format.
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By default, the component accepts and emits a `Date` object. Below are supported format strings, using UTC 2017-01-02 03:04:05 as an example:
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:::warning
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Pay attention to capitalization
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:::
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| format | meaning | note | example |
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|------|------|------|------|------|
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| `yyyy` | year | | 2017 |
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| `M` | month | no leading 0 | 1 |
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| `MM` | month | | 01 |
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| `MMM` | month | | Jan |
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| `MMMM` | month | | January |
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| `W` | week | only for week picker's `format`; no leading 0 | 1 |
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| `WW` | week | only for week picker's `format`| 01 |
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| `d` | day | no leading 0 | 2 |
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| `dd` | day | | 02 |
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| `H` | hour | 24-hour clock; no leading 0 | 3 |
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| `HH` | hour | 24-hour clock | 03 |
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| `h` | hour | 12-hour clock; must be used with `A` or `a`; no leading 0 | 3 |
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| `hh` | hour | 12-hour clock; must be used with `A` or `a` | 03 |
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| `m` | minute | no leading 0 | 4 |
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| `mm` | minute | | 04 |
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| `s` | second | no leading 0 | 5 |
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| `ss` | second | | 05 |
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| `A` | AM/PM | only for `format`, uppercased | AM |
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| `a` | am/pm | only for `format`, lowercased | am |
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| `timestamp` | JS timestamp | only for `value-format`; binding value will be a `number` | 1483326245000 |
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| `[MM]` | No escape characters | To escape characters, wrap them in square brackets (e.g. [A] [MM]) | MM |
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:::demo
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```html
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<template>
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<div class="block">
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<span class="demonstration">Emits Date object</span>
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<div class="demonstration">Value: {{ value1 }}</div>
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<el-date-picker
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v-model="value1"
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type="date"
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placeholder="Pick a Date"
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format="yyyy/MM/dd">
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</el-date-picker>
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</div>
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<div class="block">
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<span class="demonstration">Use value-format</span>
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<div class="demonstration">Value: {{ value2 }}</div>
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<el-date-picker
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v-model="value2"
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type="date"
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placeholder="Pick a Date"
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format="yyyy/MM/dd"
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value-format="yyyy-MM-dd">
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</el-date-picker>
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</div>
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<div class="block">
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<span class="demonstration">Timestamp</span>
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<div class="demonstration">Value：{{ value3 }}</div>
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<el-date-picker
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v-model="value3"
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type="date"
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placeholder="Pick a Date"
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format="yyyy/MM/dd"
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value-format="timestamp">
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</el-date-picker>
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</div>
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</template>
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<script>
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export default {
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data() {
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return {
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value1: '',
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value2: '',
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value3: ''
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};
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}
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};
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</script>
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```
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:::
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### Default time for start date and end date
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When picking a date range, you can assign the time part for start date and end date.
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:::demo By default, the time part of start date and end date are both `00:00:00`. Setting `default-time` can change their time respectively. It accepts an array of up to two strings with the format of `12:00:00`. The first string sets the time for the start date, and the second for the end date.
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```html
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<template>
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<div class="block">
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<p>Component value：{{ value }}</p>
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<el-date-picker
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v-model="value"
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type="daterange"
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start-placeholder="Start date"
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end-placeholder="End date"
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:default-time="['00:00:00', '23:59:59']">
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</el-date-picker>
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</div>
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</template>
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<script>
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export default {
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data() {
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return {
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value: ''
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};
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}
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};
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</script>
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```
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:::
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### Attributes
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| Attribute | Description | Type | Accepted Values | Default |
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|---------- |-------------- |---------- |-------------------------------- |-------- |
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| value / v-model | binding value | date(DatePicker) / array(DateRangePicker) | — | — |
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| readonly | whether DatePicker is read only | boolean | — | false |
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| disabled | whether DatePicker is disabled | boolean | — | false |
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| size | size of Input | string | large/small/mini | — |
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| editable | whether the input is editable | boolean | — | true |
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| clearable | whether to show clear button | boolean | — | true |
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| placeholder | placeholder in non-range mode | string | — | — |
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| start-placeholder | placeholder for the start date in range mode | string | — | — |
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| end-placeholder | placeholder for the end date in range mode | string | — | — |
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| type | type of the picker | string | year/month/date/dates/datetime/ week/datetimerange/daterange/ monthrange | date |
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| format | format of the displayed value in the input box | string | see [date formats](#/en-US/component/date-picker#date-formats) | yyyy-MM-dd |
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| align | alignment | left/center/right | left |
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| popper-class | custom class name for DatePicker's dropdown | string | — | — |
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| picker-options | additional options, check the table below | object | — | {} |
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| range-separator | range separator | string | — | '-' |
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| default-value | optional, default date of the calendar | Date | anything accepted by `new Date()` | — |
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| default-time | optional, the time value to use when selecting date range | string[] | Array with length 2, each item is a string like `12:00:00`. The first item for the start date and then second item for the end date | — |
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| value-format | optional, format of binding value. If not specified, the binding value will be a Date object | string | see [date formats](#/en-US/component/date-picker#date-formats) | — |
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| name | same as `name` in native input | string | — | — |
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| unlink-panels | unlink two date-panels in range-picker | boolean | — | false |
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| prefix-icon | Custom prefix icon class | string | — | el-icon-date |
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| clear-icon | Custom clear icon class | string | — | el-icon-circle-close |
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| validate-event | whether to trigger form validation | boolean | - | true |
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### Picker Options
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| Attribute | Description | Type | Accepted Values | Default |
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|---------- |-------------- |---------- |-------------------------------- |-------- |
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| shortcuts | a { text, onClick } object array to set shortcut options, check the table below | object[] | — | — |
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| disabledDate | a function determining if a date is disabled with that date as its parameter. Should return a Boolean | function | — | — |
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| cellClassName | set custom className | Function(Date) | — | — |
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| firstDayOfWeek | first day of week | Number | 1 to 7 | 7 |
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| onPick | a callback that triggers when the selected date is changed. Only for `daterange` and `datetimerange`. | Function({ maxDate, minDate }) | - | - |
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### shortcuts
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| Attribute | Description | Type | Accepted Values | Default |
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|---------- |-------------- |---------- |-------------------------------- |-------- |
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| text | title of the shortcut | string | — | — |
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| onClick | callback function, triggers when the shortcut is clicked, with the `vm` as its parameter. You can change the picker value by emitting the `pick` event. Example: `vm.$emit('pick', new Date())`| function | — | — |
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### Events
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| Event Name | Description | Parameters |
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|---------|--------|---------|
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| change | triggers when user confirms the value | component's binding value |
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| blur | triggers when Input blurs | component instance |
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| focus | triggers when Input focuses | component instance |
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### Methods
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| Method | Description | Parameters |
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|------|--------|-------|
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| focus | focus the Input component | — |
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### Slots
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| Name | Description |
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|---------|-------------|
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| range-separator | custom range separator content |
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