2020-07-28 10:03:53 +08:00
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---
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title: Datetime 日期时间
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2020-08-05 15:11:26 +08:00
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description:
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2020-07-28 10:03:53 +08:00
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type: 0
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group: null
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menuName: Datetime
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2020-08-05 15:11:26 +08:00
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icon:
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2020-07-28 10:03:53 +08:00
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order: 14
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---
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2020-08-05 15:11:26 +08:00
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2020-07-28 10:03:53 +08:00
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## 基本用法
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```schema:height="500" scope="body"
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{
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"type": "form",
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"api": "https://houtai.baidu.com/api/mock2/form/saveForm",
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"controls": [
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{
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"type": "datetime",
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"name": "datetime",
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"label": "日期时间"
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}
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]
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}
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```
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## 显示格式
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选中任意日期时间,可以看到默认显示日期的格式是像`2020-04-14 12:20:10`这样的格式,如果你想要自定义显示格式,那么可以配置`inputFormat`。
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2020-09-23 11:28:38 +08:00
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例如你想显示`2020年04月14日 12时20分10秒`这样的格式,查找 [moment 文档](https://momentjs.com/docs/#/displaying/format/) 可知配置格式应为 `YYYY年MM月DD日 HH时mm分ss秒`,即:
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2020-07-28 10:03:53 +08:00
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```schema:height="500" scope="body"
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{
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"type": "form",
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"api": "https://houtai.baidu.com/api/mock2/form/saveForm",
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"controls": [
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{
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"type": "datetime",
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"name": "datetime",
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"label": "日期时间",
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"inputFormat": "YYYY年MM月DD日 HH时mm分ss秒"
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}
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]
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}
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```
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选中任意日期时间,观察显示格式
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## 值格式
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选中任意日期时间,可以看到默认表单项的值格式是像`1591862818`这样的时间戳格式。
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```schema:height="500" scope="body"
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{
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"type": "form",
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"debug": true,
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"api": "https://houtai.baidu.com/api/mock2/form/saveForm",
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"controls": [
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{
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"type": "datetime",
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"name": "datetime",
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"label": "日期时间"
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}
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]
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}
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```
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如果你想要其他格式的日期值,,那么可以配置`format`参数用于调整表单项的值格式。
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2020-09-23 11:28:38 +08:00
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例如你调整值为`2020-04-14 12:20:10`这样的格式,查找 [moment 文档](https://momentjs.com/docs/#/displaying/format/) 可知配置格式应为 `YYYY-MM-DD HH:mm:ss`,即:
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2020-07-28 10:03:53 +08:00
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```schema:height="500" scope="body"
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{
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"type": "form",
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"debug": true,
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"api": "https://houtai.baidu.com/api/mock2/form/saveForm",
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"controls": [
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{
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"type": "datetime",
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"name": "datetime",
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"label": "日期时间",
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"format": "YYYY-MM-DD HH:mm:ss"
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}
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]
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}
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```
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选中任意日期时间,观察数据域中表单项值的变化
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## 默认值
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可以设置`value`属性,设置日期选择器的默认值
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### 基本配置
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配置符合当前 [值格式](./datetime#%E5%80%BC%E6%A0%BC%E5%BC%8F) 的默认值。
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```schema:height="500" scope="body"
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{
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"type": "form",
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"debug": true,
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"api": "https://houtai.baidu.com/api/mock2/form/saveForm",
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"controls": [
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{
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"type": "datetime",
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"name": "datetime",
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"label": "日期时间",
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"value": "1591862818"
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}
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]
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}
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```
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### 相对值
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`value` 还支持类似像`"+1hours"`这样的相对值,更加便捷的配置默认值
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```schema:height="500" scope="body"
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{
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"type": "form",
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"debug": true,
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"api": "https://houtai.baidu.com/api/mock2/form/saveForm",
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"controls": [
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{
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"type": "datetime",
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"name": "datetime",
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"label": "日期",
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"value": "+1hours"
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}
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]
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}
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```
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上例中配置了`"value": "+1hours"`,默认就会选中一小时后的时间。
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支持的相对值关键字除了 [Date](./date#%E7%9B%B8%E5%AF%B9%E5%80%BC) 中的以外,还支持:
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- `now`: 当前时间
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- `minute`或`minutes`或`min`或`mins`: 分钟
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- `hour`或`hours`: 小时
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## 限制范围
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可以通过配置`maxDate`和`minDate`显示可选范围
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### 固定时间值
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```schema:height="500" scope="body"
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{
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"type": "form",
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"debug": true,
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"api": "https://houtai.baidu.com/api/mock2/form/saveForm",
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"controls": [
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{
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"type": "datetime",
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"name": "start",
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"label": "开始时间",
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"minDate": "1591862818",
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"description": "限制可选最小日期是 <code>2020-06-11 16:06:58</code>"
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},
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{
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"type": "datetime",
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"name": "end",
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"label": "结束时间",
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"maxDate": "1591862818",
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"description": "限制可选最大日期是 <code>2020-06-11 16:06:58</code>"
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}
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]
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}
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2020-08-05 15:11:26 +08:00
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```
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2020-07-28 10:03:53 +08:00
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### 支持相对值
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范围限制也支持设置 [相对值](./date#%E7%9B%B8%E5%AF%B9%E5%80%BC)。
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```schema:height="500" scope="body"
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{
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"type": "form",
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"debug": true,
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"api": "https://houtai.baidu.com/api/mock2/form/saveForm",
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"controls": [
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{
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"type": "datetime",
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"name": "start",
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"label": "开始时间",
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"minDate": "-1days",
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"description": "限制可选最小日期是昨天"
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}
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]
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}
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```
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### 支持模板
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也支持通过[模板](./template),设置自定义值。
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来一个常见例子,配置两个选择`开始时间`和`结束时间`的时间选择器,需要满足:`开始时间`不能小于`结束时间`,`结束时间`也不能大于`开始时间`,。
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```schema:height="500" scope="body"
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{
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"type": "form",
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"debug": true,
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"api": "https://houtai.baidu.com/api/mock2/form/saveForm",
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"controls": [
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{
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"type": "datetime",
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"name": "start",
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"label": "开始时间",
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"maxDate": "$end"
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},
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{
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"type": "datetime",
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"name": "end",
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"label": "结束时间",
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"minDate": "$start"
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}
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]
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}
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```
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## 快捷键
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你也可以配置`shortcuts`属性支持快捷选择日期
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```schema:height="500" scope="body"
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{
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"type": "form",
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"debug": true,
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"api": "https://houtai.baidu.com/api/mock2/form/saveForm",
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"controls": [
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{
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"type": "datetime",
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"name": "datetime",
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"label": "日期",
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"shortcuts": ["yesterday" ,"today", "tomorrow"]
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}
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]
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}
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```
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上例中我们配置了`"shortcuts": ["yesterday" ,"today", "tomorrow"]`,选择器顶部有将会显示快捷键`昨天`,`今天`和`明天`
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除了支持 的快捷键有
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支持的快捷键除了 [Date](./date#%E5%BF%AB%E6%8D%B7%E9%94%AE) 中的以外,还支持:
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- `now`: 现在
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2020-08-05 15:11:26 +08:00
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- `{n}hoursago` : n 小时前,例如:`1daysago`,下面用法相同
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- `{n}hourslater` : n 小时前,例如:`1daysago`,下面用法相同
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2020-07-28 10:03:53 +08:00
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## UTC
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```schema:height="600" scope="body"
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{
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"type": "form",
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"debug": true,
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"api": "https://houtai.baidu.com/api/mock2/form/saveForm",
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"controls": [
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{
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"type": "datetime",
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"name": "datetime",
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"label": "普通日期时间",
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"format": "YYYY-MM-DD"
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},
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{
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"type": "datetime",
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"name": "datetime-utc",
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"label": "UTC日期时间",
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"utc": true,
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"format": "YYYY-MM-DD"
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}
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]
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}
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```
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## 属性表
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除了支持 [普通表单项属性表](./formitem#%E5%B1%9E%E6%80%A7%E8%A1%A8) 中的配置以外,还支持下面一些配置
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2020-09-23 11:28:38 +08:00
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| 属性名 | 类型 | 默认值 | 说明 |
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| --------------- | --------- | ---------------------- | --------------------------------------------------------------------------------------------------------------- |
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| value | `string` | | [默认值](./datetime#%E9%BB%98%E8%AE%A4%E5%80%BC) |
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| format | `string` | `X` | 日期时间选择器值格式,更多格式类型请参考 [文档](https://momentjs.com/docs/#/displaying/format/) |
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| inputFormat | `string` | `YYYY-MM-DD HH:mm:ss` | 日期时间选择器显示格式,即时间戳格式,更多格式类型请参考 [文档](https://momentjs.com/docs/#/displaying/format/) |
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| placeholder | `string` | `"请选择日期以及时间"` | 占位文本 |
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| shortcuts | `string` | | 日期时间快捷键 |
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| minDate | `string` | | 限制最小日期时间 |
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| maxDate | `string` | | 限制最大日期时间 |
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| utc | `boolean` | `false` | 保存 utc 值 |
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| clearable | `boolean` | `true` | 是否可清除 |
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| timeConstrainst | `object` | `true` | 请参考: [react-datetime](https://github.com/YouCanBookMe/react-datetime) |
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