element/examples/docs/datetime-picker.md

<script>
  module.exports = {
    data() {
      return {
        pickerOptions1: {
          shortcuts: [{
            text: '今天',
            onClick(picker) {
              picker.$emit('pick', new Date());
            }
          }, {
            text: '昨天',
            onClick(picker) {
              const date = new Date();
              date.setTime(date.getTime() - 3600 * 1000 * 24);
              picker.$emit('pick', date);
            }
          }, {
            text: '一周前',
            onClick(picker) {
              const date = new Date();
              date.setTime(date.getTime() - 3600 * 1000 * 24 * 7);
              picker.$emit('pick', date);
            }
          }]
        },
        pickerOptions2: {
          shortcuts: [{
            text: '最近一周',
            onClick(picker) {
              const end = new Date();
              const start = new Date();
              start.setTime(start.getTime() - 3600 * 1000 * 24 * 7);
              picker.$emit('pick', [start, end]);
            }
          }, {
            text: '最近一个月',
            onClick(picker) {
              const end = new Date();
              const start = new Date();
              start.setTime(start.getTime() - 3600 * 1000 * 24 * 30);
              picker.$emit('pick', [start, end]);
            }
          }, {
            text: '最近三个月',
            onClick(picker) {
              const end = new Date();
              const start = new Date();
              start.setTime(start.getTime() - 3600 * 1000 * 24 * 90);
              picker.$emit('pick', [start, end]);
            }
          }]
        },
        value1: '',
        value2: '',
        value3: new Date(),
        value4: '',
        value5: '',
        value6: '',
        value7: '',
        value8: '',
        value9: '',
        value10: '',
        value11: '',
        value12: '',
        value13: '',
        value14: '',
        value15: '',
        value16: ''
      };
    }
  };
</script>

<style>
.demo-block.demo-datetime-picker .source {
    padding: 0;
    display: flex;
  }
  
  .demo-datetime-picker .block {
    padding: 30px 0;
    text-align: center;
    border-right: solid 1px #EFF2F6;
    flex: 1;
    &:last-child {
      border-right: none;
    }
  }
  
  .demo-datetime-picker .demonstration {
    display: block;
    color: #8492a6;
    font-size: 14px;
    margin-bottom: 20px;
  }
</style>

## 日期时间选择器

在同一个选择器里选择日期和时间

###  日期和时间点

:::demo 通过设置`type`属性为`datetime`，即可在同一个选择器里同时进行日期和时间的选择。快捷选项的使用方法与 Date Picker 相同。
```html
<template>
  <div class="block">
    <span class="demonstration">默认</span>
    <el-date-picker
      v-model="value1"
      type="datetime"
      placeholder="选择日期时间">
    </el-date-picker>
  </div>
  <div class="block">
    <span class="demonstration">带快捷选项</span>
    <el-date-picker
      v-model="value2"
      type="datetime"
      placeholder="选择日期时间"
      :picker-options="pickerOptions1">
    </el-date-picker>
  </div>
</template>

<script>
  export default {
    data() {
      return {
        pickerOptions1: {
          shortcuts: [{
            text: '今天',
            onClick(picker) {
              picker.$emit('pick', new Date());
            }
          }, {
            text: '昨天',
            onClick(picker) {
              const date = new Date();
              picker.$emit('pick', new Date(date.getTime() - 3600 * 1000 * 24));
            }
          }, {
            text: '一周前',
            onClick(picker) {
              const date = new Date();
              picker.$emit('pick', new Date(date.getTime() - 3600 * 1000 * 24 * 7));
            }
          }]
        },
        value1: '',
        value2: ''
      };
    }
  };
</script>
```
:::

### 日期和时间范围

:::demo 设置`type`为`datetimerange`即可选择日期和时间范围
```html
<template>
  <div class="block">
    <span class="demonstration">默认</span>
    <el-date-picker
      v-model="value3"
      type="datetimerange"
      placeholder="选择时间范围"
      style="width:260px">
    </el-date-picker>
  </div>
  <div class="block">
    <span class="demonstration">带快捷选项</span>
    <el-date-picker
      v-model="value4"
      type="datetimerange"
      :picker-options="pickerOptions2"
      placeholder="选择时间范围"
      style="width:260px">
    </el-date-picker>
  </div>
</template>

<script>
  export default {
    data() {
      return {
        pickerOptions2: {
          shortcuts: [{
            text: '最近一周',
            onClick(picker) {
              const end = new Date();
              const start = end.getTime() - 3600 * 1000 * 24 * 7;
              picker.$emit('pick', [start, end]);
            }
           }, {
            text: '最近一个月',
            onClick(picker) {
              const end = new Date();
              const start = end.getTime() - 3600 * 1000 * 24 * 30;
              picker.$emit('pick', [start, end]); 
            }
           }, {
            text: '最近三个月',
            onClick(picker) {
              const end = new Date();
              const start = end.getTime() - 3600 * 1000 * 24 * 90;
              picker.$emit('pick', [start, end]);
            }
          }]
        },
        value3: '',
        value4: ''
      };
    }
  };
</script>
```
:::

### Attributes
| 参数      | 说明          | 类型      | 可选值                           | 默认值  |
|---------- |-------------- |---------- |--------------------------------  |-------- |
| readonly | 只读 | boolean | — | false |
| placeholder | 占位内容 | string | — | — |
| type | 显示类型 | string | year/month/date/datetime/week | date |
| format | 时间日期格式化 | string | 年 `yyyy`，月 `MM`，日 `dd`，<br>小时 `HH`，分 `mm`，秒 `ss` | yyyy-MM-dd |
| shortcuts | 快捷选项列表，配置信息<br>查看下表 | object[] | — | — |

### Shortcuts
| 参数      | 说明          | 类型      | 可选值                           | 默认值  |
|---------- |-------------- |---------- |--------------------------------  |-------- |
| text | 标题文本 | string | — | — |
| onClick | 选中后的回调函数，参数是 vm，可通过触发 'pick' 事件设置<br>选择器的值。例如 vm.$emit('pick', new Date()) | function | — | — |