DatePicker can not load date

Version

2.7.4

Environment

win7 chrome

Reproduction link

http:none

Steps to reproduce

import React , { Component } from 'react';
import { Form , Icon , Input , Button , DatePicker } from 'antd';
import moment from 'moment';

const FormItem = Form.Item;


class Test extends Component {

    componentDidMount(){
        const { setFieldValue , setFieldsValue } = this.props.form;
        // can not load this date
        setFieldsValue({username:'admin',password:'abcde',date:1491462025480})
    }

    handleSubmit = (e)=>{
        e.preventDefault();
        this.props.form.validateFields((e,value)=>{
            if(e)return;
            console.info('value=>',value)
        })
    }
    render(){
        const { getFieldDecorator } = this.props.form;
        return (
            <div>
                <Form layout="horizontal" onSubmit={::this.handleSubmit}>
                    <FormItem>
                        {getFieldDecorator('date',{
                            rules:[{required:true}]
                        })(
                            <DatePicker format={`YYYY-MM-DD HH:mm:ss`}  />
                        )}
                    </FormItem>
                    <Button htmlType="submit" type="primary">submit</Button>
                </Form>
            </div>
        )
    }
}


export default Form.create({})(Test);

What is expected?

load date correctly

What is actually happening?

can not load date

---

antd@2.8.3 errMsg => inputValue.format is not a function

[infeng]

try this:

...
 componentDidMount(){
   const { setFieldValue , setFieldsValue } = this.props.form;
   // can not load this date
   setFieldsValue({username:'admin',password:'abcde'date: moment(1491462025480)})
}
...

[infeng]

value of DatePicker only support type moment. https://ant.design/components/date-picker/#DatePicker