DatePicker 绑定字符串类型的时间格式

[hylarucoder]

• I have searched the issues of this repository and believe that this is not a duplicate.

What problem does this feature solve?

希望可以在Value上直接使用字符串格式的日期,

在现有的API基础上, 如果我要达到这个效果. 就必须要先包一层

<template>
    <date-picker
            v-model="value"
    >

    </date-picker>
</template>

<script>
  import { DatePicker } from 'ant-design-vue'
  import moment from 'moment'

  export default {
    name: 'IDatePicker',
    components: {
      DatePicker,
    },
    watch: {
      value: function (val) {
        let value = moment(val).format('YYYY-MM-DD');
        this.$emit('update:value', value)
      },
    },
    data() {
      return {
        value: null,
      }
    },
  }
</script>

在外面这么用

<a-form-item label="创建日期">
<i-date-picker
:value.sync="params.created_at__date"
style="width: 100%"

/>
</a-form-item>

然后取出来的 created_at__date 为 “2018-09-01”

elementui 也有类似实现 https://element.eleme.io/#/zh-CN/component/datetime-picker#attributes

What does the proposed API look like?

<a-form-item label="创建日期">
<i-date-picker
:value.sync="params.created_at__date"
style="width: 100%"
value_format="YYYY-MM-DD" # 如果没有指定 value_format 则使用的是 momentjs 的时间
/>
</a-form-item>

[duyngha]

I got the same issue with the value formating. Any updates?

[hjianjie]

我也遇到同样的问题，是否可以直接支持绑定字符串

[webjipeng]

同样的问题，我需要直接string的类型，不要monent的

[iisquare]

一样的痛点，打算自定义个组件，先抗着😂看这issue的处理速度，等不上了

[kevinZhang035]

不能再同意

[liamwang]

Table 和 DatePicker 这两个组件远不如 element-ui 方便

[github-actions]

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