Provide validation for fllowing input filed: `Select``Radio``DatePicker``InputNumber``Cascader`. To use `validateFieldsAndScroll` with form validation, it will scroll the form to the failed input field which is not in visible area.
| form | Decorated by `Form.create()` will be automatically set `this.props.form` property, so just pass to form, you don't need to set it by yourself after 1.7.0 | object | No
| onSubmit | Defines a function will be called if form data validation is successful | Function(e:Event) | |
| prefixCls | This is the css class name of form component，default value is ant-form，generally you don't need to set it by yourself | string | 'ant-form' |
| onFieldsChange | Defines a function will called When the value of child of `Form.Item` changed, you can save filed value to Redux store in this function if you need. | Function(props, fields) |
| mapPropsToFields | Convert props to corresponding field value，you can read the values of Redux store in this function if you need | Function(props): Object{ fieldName: Object{ value } } |
If you the form has been decorated by `Form.create` then it has `this.props.form` property, `this.props.form` provides some APIs as follows:
| getFieldsValue | get specified fields' value, if you don't specify any parameters, you will get all fields' value. | Function([fieldNames: string[]]) |
| getFieldValue | get specified field's value | Function(fieldName: string) |
| setFieldsValue | set specified fields' value | Function(obj: object) |
| setFields | set specified fields' value and Error | Function(obj: object) |
| validateFields | validate specified fields and get theirs value and Error | Function([fieldNames: string[]], [options: object], callback: Function(errors, values)) |
| validateFieldsAndScroll | This function is similar to `validateFields`, but after validation, if the target field is not in visible area of form, form will be automatically scrolled to the target field area | reference to `validateFields` |
| getFieldError | get specified field's Error | Function(name) |
| isFieldValidating | To check specified field is being validated | Function(name) |
| resetFields | reset specified fields' value and status, if you don't specify any parameters, it will reset all fields of form | Function([names: string[]]) |
| getFieldProps | two-way binding for form, please read below for details | |
### this.props.form.getFieldProps(id, options)
#### Special attention
Can't use `getFieldProps` in functional component: https://github.com/facebook/react/pull/6534
The return value of `getFieldProps` contains `id`、`value`(or any other props `valuePropName` that you specified),`ref`,`onChange`(or any other `trigger``validateTrigger` that you specified), **shouldn't set same property again** in order to avoid conflict. If you concerntate on the details on return value, you can print them to console by `console.log`.
> Don't use `defaultValue` in form, please use `initialValue` instead of it.
| options.id | The unique identity is required | string | |
| options.valuePropName | Props of children node, for exmaple, the prop of Switch is 'checked' | string | 'value' |
| options.initialValue | You can specify initial value, type, optional value of children node | | |
| options.trigger | When to collect the value of children node | string | 'onChange' |
| options.getValueFromEvent | To convert parameters of onChange to the value of control, for example, set value of DatePicker: `(date, dateString) => dateString` | function(..args) | [reference](https://github.com/react-component/form#optiongetvaluefromevent) |
| options.validateTrigger | When to validate the value of children node | string | 'onChange' |
| options.onXXX | Because `getFieldProps` will replace events like `onChange` (`trigger``validateTrigger`, if you still wnat to bind these events, please set them in `options` | function | no |
| options.exclusive | Whether it is exclusive with other controls, particularly for Radio | boolean | false |
### Form.Item
> To put one child in Form.Item is recommended, if it has multiple children, `help` `required` `validateStatus` can't be generated automatically.
| labelCol | The lay out of label, you can set `span``offset` to something like `{span: 3, offset: 12}` that same with `<Col>` | object | | |
| wrapperCol | To set layout for input controls, reference to labelCol | object | | |
| help | Prompt message, if you don't specify it, the prompt message will be generated by validation rule | string | | |
| extra | Provide extra prompt message, it is similar to help, if you need to display error message and prompt message in the same time, please use this | string | | |
| required | Whether it is required, if you don't specify it, it will be generated by validation rule| bool | | false |
| validateStatus | The validation status, if you don't specify it, it will be generated by validation rule | string | 'success' 'warning' 'error' 'validating' | |
| hasFeedback | To use this with validateStatus, display validation status icon, only use with Input component is recommended | bool | | false |
| prefixCls | This is the css class name of form component，default value is ant-form，generally you don't need to set it by yourself | string | | 'ant-form' |
