feat: add new form support v-model

antdv-demo

@@ -1 +1 @@
-Subproject commit ce10f4f242cdf252dd25df905bada3b5f7f722e2
+Subproject commit 9a67d0070ac57b29c70624e8a630e39146b44725

components/form/Form.jsx

@@ -151,7 +151,7 @@ const Form = {
   },
   provide() {
     return {
-      FormContextProps: this,
+      FormContext: this,
       // https://github.com/vueComponent/ant-design-vue/issues/446
       collectFormItemContext:
         this.form && this.form.templateContext

components/form/FormItem.jsx

@@ -75,7 +75,7 @@ export default {
   },
   inject: {
     isFormItemChildren: { default: false },
-    FormContextProps: { default: () => ({}) },
+    FormContext: { default: () => ({}) },
     decoratorFormProps: { default: () => ({}) },
     collectFormItemContext: { default: () => noop },
     configProvider: { default: () => ConfigConsumerProps },
@@ -85,7 +85,7 @@ export default {
   },
   computed: {
     itemSelfUpdate() {
-      return !!(this.selfUpdate === undefined ? this.FormContextProps.selfUpdate : this.selfUpdate);
+      return !!(this.selfUpdate === undefined ? this.FormContext.selfUpdate : this.selfUpdate);
     },
   },
   created() {
@@ -117,8 +117,8 @@ export default {
   },
   methods: {
     collectContext() {
-      if (this.FormContextProps.form && this.FormContextProps.form.templateContext) {
+      if (this.FormContext.form && this.FormContext.form.templateContext) {
-        const { templateContext } = this.FormContextProps.form;
+        const { templateContext } = this.FormContext.form;
         const vnodes = Object.values(templateContext.$slots || {}).reduce((a, b) => {
           return [...a, ...b];
         }, []);
@@ -356,9 +356,7 @@ export default {
     },
 
     renderWrapper(prefixCls, children) {
-      const { wrapperCol: contextWrapperCol } = this.isFormItemChildren
+      const { wrapperCol: contextWrapperCol } = this.isFormItemChildren ? {} : this.FormContext;
-        ? {}
-        : this.FormContextProps;
       const { wrapperCol } = this;
       const mergedWrapperCol = wrapperCol || contextWrapperCol || {};
       const { style, id, on, ...restProps } = mergedWrapperCol;
@@ -380,7 +378,7 @@ export default {
         labelAlign: contextLabelAlign,
         labelCol: contextLabelCol,
         colon: contextColon,
-      } = this.FormContextProps;
+      } = this.FormContext;
       const { labelAlign, labelCol, colon, id, htmlFor } = this;
       const label = getComponentFromProp(this, 'label');
       const required = this.isRequired();
@@ -481,8 +479,8 @@ export default {
       }
     },
     decoratorChildren(vnodes) {
-      const { FormContextProps } = this;
+      const { FormContext } = this;
-      const getFieldDecorator = FormContextProps.form.getFieldDecorator;
+      const getFieldDecorator = FormContext.form.getFieldDecorator;
       for (let i = 0, len = vnodes.length; i < len; i++) {
         const vnode = vnodes[i];
         if (getSlotOptions(vnode).__ANT_FORM_ITEM) {
@@ -510,7 +508,7 @@ export default {
       decoratorFormProps,
       fieldDecoratorId,
       fieldDecoratorOptions = {},
-      FormContextProps,
+      FormContext,
     } = this;
     let child = filterEmpty($slots.default || []);
     if (decoratorFormProps.form && fieldDecoratorId && child.length) {
@@ -522,7 +520,7 @@ export default {
         '`autoFormCreate` just `decorator` then first children. but you can use JSX to support multiple children',
       );
       this.slotDefault = child;
-    } else if (FormContextProps.form) {
+    } else if (FormContext.form) {
       child = cloneVNodes(child);
       this.slotDefault = this.decoratorChildren(child);
     } else {

components/index.js

@@ -56,6 +56,7 @@ import { default as Divider } from './divider';
 import { default as Dropdown } from './dropdown';
 
 import { default as Form } from './form';
+import { default as NewForm } from './n-form';
 
 import { default as Icon } from './icon';
 
@@ -166,6 +167,7 @@ const components = [
   Divider,
   Dropdown,
   Form,
+  NewForm,
   Icon,
   Input,
   InputNumber,
@@ -254,6 +256,7 @@ export {
   Divider,
   Dropdown,
   Form,
+  NewForm,
   Icon,
   Input,
   InputNumber,

components/input/Input.jsx

@@ -161,6 +161,7 @@ export default {
       this.removePasswordTimeout = setTimeout(() => {
         if (
           this.$refs.input &&
+          this.$refs.input.getAttribute &&
           this.$refs.input.getAttribute('type') === 'password' &&
           this.$refs.input.hasAttribute('value')
         ) {

components/n-form/Form.jsx

@@ -0,0 +1,189 @@
+import PropTypes from '../_util/vue-types';
+import classNames from 'classnames';
+import { ColProps } from '../grid/Col';
+import Vue from 'vue';
+import isRegExp from 'lodash/isRegExp';
+import warning from '../_util/warning';
+import createDOMForm from '../vc-form/src/createDOMForm';
+import createFormField from '../vc-form/src/createFormField';
+import FormItem from './FormItem';
+import { FIELD_META_PROP, FIELD_DATA_PROP } from './constants';
+import { initDefaultProps, getListeners } from '../_util/props-util';
+import { ConfigConsumerProps } from '../config-provider';
+import Base from '../base';
+
+export const FormProps = {
+  layout: PropTypes.oneOf(['horizontal', 'inline', 'vertical']),
+  labelCol: PropTypes.shape(ColProps).loose,
+  wrapperCol: PropTypes.shape(ColProps).loose,
+  colon: PropTypes.bool,
+  labelAlign: PropTypes.oneOf(['left', 'right']),
+  prefixCls: PropTypes.string,
+  hideRequiredMark: PropTypes.bool,
+  model: PropTypes.object,
+  rules: PropTypes.object,
+  validateOnRuleChange: PropTypes.bool,
+};
+
+export const ValidationRule = {
+  /** validation error message */
+  message: PropTypes.string,
+  /** built-in validation type, available options: https://github.com/yiminghe/async-validator#type */
+  type: PropTypes.string,
+  /** indicates whether field is required */
+  required: PropTypes.boolean,
+  /** treat required fields that only contain whitespace as errors */
+  whitespace: PropTypes.boolean,
+  /** validate the exact length of a field */
+  len: PropTypes.number,
+  /** validate the min length of a field */
+  min: PropTypes.number,
+  /** validate the max length of a field */
+  max: PropTypes.number,
+  /** validate the value from a list of possible values */
+  enum: PropTypes.oneOfType([String, PropTypes.arrayOf(String)]),
+  /** validate from a regular expression */
+  pattern: PropTypes.custom(isRegExp),
+  /** transform a value before validation */
+  transform: PropTypes.func,
+  /** custom validate function (Note: callback must be called) */
+  validator: PropTypes.func,
+};
+
+const Form = {
+  name: 'ANForm',
+  props: initDefaultProps(FormProps, {
+    layout: 'horizontal',
+    hideRequiredMark: false,
+    colon: true,
+  }),
+  Item: FormItem,
+  created() {
+    this.fields = [];
+  },
+  provide() {
+    return {
+      FormContext: this,
+    };
+  },
+  inject: {
+    configProvider: { default: () => ConfigConsumerProps },
+  },
+  watch: {
+    rules() {
+      if (this.validateOnRuleChange) {
+        this.validate(() => {});
+      }
+    },
+  },
+  computed: {
+    vertical() {
+      return this.layout === 'vertical';
+    },
+  },
+  methods: {
+    addField(field) {
+      if (field) {
+        this.fields.push(field);
+      }
+    },
+    removeField(field) {
+      if (field.prop) {
+        this.fields.splice(this.fields.indexOf(field), 1);
+      }
+    },
+    onSubmit(e) {
+      if (!getListeners(this).submit) {
+        e.preventDefault();
+      } else {
+        this.$emit('submit', e);
+      }
+    },
+    resetFields() {
+      if (!this.model) {
+        warning(false, 'NewForm', 'model is required for resetFields to work.');
+        return;
+      }
+      this.fields.forEach(field => {
+        field.resetField();
+      });
+    },
+    clearValidate(props = []) {
+      const fields = props.length
+        ? typeof props === 'string'
+          ? this.fields.filter(field => props === field.prop)
+          : this.fields.filter(field => props.indexOf(field.prop) > -1)
+        : this.fields;
+      fields.forEach(field => {
+        field.clearValidate();
+      });
+    },
+    validate(callback) {
+      if (!this.model) {
+        warning(false, 'NewForm', 'model is required for resetFields to work.');
+        return;
+      }
+      let promise;
+      // if no callback, return promise
+      if (typeof callback !== 'function' && window.Promise) {
+        promise = new window.Promise((resolve, reject) => {
+          callback = function(valid) {
+            valid ? resolve(valid) : reject(valid);
+          };
+        });
+      }
+      let valid = true;
+      let count = 0;
+      // 如果需要验证的fields为空，调用验证时立刻返回callback
+      if (this.fields.length === 0 && callback) {
+        callback(true);
+      }
+      let invalidFields = {};
+      this.fields.forEach(field => {
+        field.validate('', (message, field) => {
+          if (message) {
+            valid = false;
+          }
+          invalidFields = objectAssign({}, invalidFields, field);
+          if (typeof callback === 'function' && ++count === this.fields.length) {
+            callback(valid, invalidFields);
+          }
+        });
+      });
+      if (promise) {
+        return promise;
+      }
+    },
+    validateField(props, cb) {
+      props = [].concat(props);
+      const fields = this.fields.filter(field => props.indexOf(field.prop) !== -1);
+      if (!fields.length) {
+        warning(false, 'NewForm', 'please pass correct props!');
+        return;
+      }
+      fields.forEach(field => {
+        field.validate('', cb);
+      });
+    },
+  },
+
+  render() {
+    const { prefixCls: customizePrefixCls, hideRequiredMark, layout, onSubmit, $slots } = this;
+    const getPrefixCls = this.configProvider.getPrefixCls;
+    const prefixCls = getPrefixCls('form', customizePrefixCls);
+
+    const formClassName = classNames(prefixCls, {
+      [`${prefixCls}-horizontal`]: layout === 'horizontal',
+      [`${prefixCls}-vertical`]: layout === 'vertical',
+      [`${prefixCls}-inline`]: layout === 'inline',
+      [`${prefixCls}-hide-required-mark`]: hideRequiredMark,
+    });
+    return (
+      <form onSubmit={onSubmit} class={formClassName}>
+        {$slots.default}
+      </form>
+    );
+  },
+};
+
+export default Form;

components/n-form/FormItem.jsx

@@ -0,0 +1,215 @@
+import AsyncValidator from 'async-validator';
+import PropTypes from '../_util/vue-types';
+import { ColProps } from '../grid/Col';
+import { initDefaultProps, getComponentFromProp, getOptionProps } from '../_util/props-util';
+import BaseMixin from '../_util/BaseMixin';
+import { ConfigConsumerProps } from '../config-provider';
+import FormItem from '../form/FormItem';
+
+function noop() {}
+
+function getPropByPath(obj, path, strict) {
+  let tempObj = obj;
+  path = path.replace(/\[(\w+)\]/g, '.$1');
+  path = path.replace(/^\./, '');
+
+  let keyArr = path.split('.');
+  let i = 0;
+  for (let len = keyArr.length; i < len - 1; ++i) {
+    if (!tempObj && !strict) break;
+    let key = keyArr[i];
+    if (key in tempObj) {
+      tempObj = tempObj[key];
+    } else {
+      if (strict) {
+        throw new Error('please transfer a valid prop path to form item!');
+      }
+      break;
+    }
+  }
+  return {
+    o: tempObj,
+    k: keyArr[i],
+    v: tempObj ? tempObj[keyArr[i]] : null,
+  };
+}
+export const FormItemProps = {
+  id: PropTypes.string,
+  htmlFor: PropTypes.string,
+  prefixCls: PropTypes.string,
+  label: PropTypes.any,
+  help: PropTypes.any,
+  extra: PropTypes.any,
+  labelCol: PropTypes.shape(ColProps).loose,
+  wrapperCol: PropTypes.shape(ColProps).loose,
+  hasFeedback: PropTypes.bool,
+  colon: PropTypes.bool,
+  labelAlign: PropTypes.oneOf(['left', 'right']),
+  name: PropTypes.string,
+  rules: PropTypes.array,
+  required: PropTypes.bool,
+  validateStatus: PropTypes.oneOf(['', 'success', 'warning', 'error', 'validating']),
+};
+
+export default {
+  name: 'ANFormItem',
+  __ANT_NEW_FORM_ITEM: true,
+  mixins: [BaseMixin],
+  props: initDefaultProps(FormItemProps, {
+    hasFeedback: false,
+  }),
+  provide() {
+    return {
+      NewFormItemContext: this,
+    };
+  },
+  inject: {
+    configProvider: { default: () => ConfigConsumerProps },
+    FormContext: { default: () => ({}) },
+  },
+  data() {
+    return {
+      validateState: this.validateStatus,
+      validateMessage: '',
+      validateDisabled: false,
+      validator: {},
+    };
+  },
+
+  computed: {
+    fieldValue() {
+      const model = this.FormContext.model;
+      if (!model || !this.prop) {
+        return;
+      }
+      let path = this.prop;
+      if (path.indexOf(':') !== -1) {
+        path = path.replace(/:/g, '.');
+      }
+      return getPropByPath(model, path, true).v;
+    },
+  },
+  watch: {
+    validateStatus(val) {
+      this.validateState = val;
+    },
+  },
+  mounted() {
+    if (this.prop) {
+      const { addField } = this.FormContext;
+      addField && addField(this);
+      let initialValue = this.fieldValue;
+      if (Array.isArray(initialValue)) {
+        initialValue = [...initialValue];
+      }
+      this.initialValue = initialValue;
+    }
+  },
+  beforeDestroy() {
+    const { removeField } = this.FormContext;
+    removeField && removeField(this);
+  },
+  methods: {
+    validate(trigger, callback = noop) {
+      this.validateDisabled = false;
+      const rules = this.getFilteredRule(trigger);
+      if ((!rules || rules.length === 0) && this.required === undefined) {
+        callback();
+        return true;
+      }
+      this.validateState = 'validating';
+      const descriptor = {};
+      if (rules && rules.length > 0) {
+        rules.forEach(rule => {
+          delete rule.trigger;
+        });
+      }
+      descriptor[this.prop] = rules;
+      const validator = new AsyncValidator(descriptor);
+      const model = {};
+      model[this.prop] = this.fieldValue;
+      validator.validate(model, { firstFields: true }, (errors, invalidFields) => {
+        this.validateState = errors ? 'error' : 'success';
+        this.validateMessage = errors ? errors[0].message : '';
+        callback(this.validateMessage, invalidFields);
+        this.FormContext &&
+          this.FormContext.$emit &&
+          this.FormContext.$emit('validate', this.prop, !errors, this.validateMessage || null);
+      });
+    },
+    getRules() {
+      let formRules = this.FormContext.rules || {};
+      const selfRules = this.rules;
+      const requiredRule = this.required !== undefined ? { required: !!this.required } : [];
+      const prop = getPropByPath(formRules, this.prop || '');
+      formRules = formRules ? prop.o[this.prop || ''] || prop.v : [];
+      return [...selfRules, ...formRules, ...requiredRule];
+    },
+    getFilteredRule(trigger) {
+      const rules = this.getRules();
+      return rules
+        .filter(rule => {
+          if (!rule.trigger || trigger === '') return true;
+          if (Array.isArray(rule.trigger)) {
+            return rule.trigger.indexOf(trigger) > -1;
+          } else {
+            return rule.trigger === trigger;
+          }
+        })
+        .map(rule => ({ ...rule }));
+    },
+    onFieldBlur() {
+      this.validate('blur');
+    },
+    onFieldChange() {
+      if (this.validateDisabled) {
+        this.validateDisabled = false;
+        return;
+      }
+      this.validate('change');
+    },
+    clearValidate() {
+      this.validateState = '';
+      this.validateMessage = '';
+      this.validateDisabled = false;
+    },
+    resetField() {
+      this.validateState = '';
+      this.validateMessage = '';
+      let model = this.FormContext.model || {};
+      let value = this.fieldValue;
+      let path = this.prop;
+      if (path.indexOf(':') !== -1) {
+        path = path.replace(/:/, '.');
+      }
+      let prop = getPropByPath(model, path, true);
+      this.validateDisabled = true;
+      if (Array.isArray(value)) {
+        prop.o[prop.k] = [].concat(this.initialValue);
+      } else {
+        prop.o[prop.k] = this.initialValue;
+      }
+      // reset validateDisabled after onFieldChange triggered
+      this.$nextTick(() => {
+        this.validateDisabled = false;
+      });
+    },
+  },
+  render() {
+    const { $slots } = this;
+    const props = getOptionProps(this);
+    const label = getComponentFromProp(this, 'label');
+    const extra = getComponentFromProp(this, 'extra');
+    const help = getComponentFromProp(this, 'help');
+    const formProps = {
+      props: {
+        ...props,
+        label,
+        extra,
+        validateStatus: this.validateState,
+        help: this.validateMessage || help,
+      },
+    };
+    return <FormItem {...formProps}>{$slots.default}</FormItem>;
+  },
+};

components/n-form/__tests__/demo.test.js

@@ -0,0 +1,3 @@
+import demoTest from '../../../tests/shared/demoTest';
+
+demoTest('n-form');

components/n-form/index.jsx

@@ -0,0 +1,20 @@
+import Vue from 'vue';
+import Form from './Form';
+import ref from 'vue-ref';
+import FormDecoratorDirective from '../_util/FormDecoratorDirective';
+import Base from '../base';
+
+Vue.use(ref, { name: 'ant-ref' });
+Vue.use(FormDecoratorDirective);
+
+export { FormProps, ValidationRule } from './Form';
+export { FormItemProps } from './FormItem';
+
+/* istanbul ignore next */
+Form.install = function(Vue) {
+  Vue.use(Base);
+  Vue.component(Form.name, Form);
+  Vue.component(Form.Item.name, Form.Item);
+};
+
+export default Form;

components/n-form/style/index.js

@@ -0,0 +1,5 @@
+import '../../style/index.less';
+import './index.less';
+
+// style dependencies
+import '../../grid/style';

components/n-form/style/index.less

@@ -0,0 +1,653 @@
+@import '../../style/themes/index';
+@import '../../style/mixins/index';
+@import '../../input/style/mixin';
+@import '../../button/style/mixin';
+@import '../../grid/style/mixin';
+@import './mixin';
+
+@form-prefix-cls: ~'@{ant-prefix}-form';
+@form-component-height: @input-height-base;
+@form-component-max-height: @input-height-lg;
+@form-feedback-icon-size: @font-size-base;
+@form-help-margin-top: (@form-component-height - @form-component-max-height) / 2 + 2px;
+@form-explain-font-size: @font-size-base;
+// Extends additional 1px to fix precision issue.
+// https://github.com/ant-design/ant-design/issues/12803
+// https://github.com/ant-design/ant-design/issues/8220
+@form-explain-precision: 1px;
+@form-explain-height: floor(@form-explain-font-size * @line-height-base);
+
+.@{form-prefix-cls} {
+  .reset-component;
+  .reset-form;
+}
+
+.@{form-prefix-cls}-item-required::before {
+  display: inline-block;
+  margin-right: 4px;
+  color: @label-required-color;
+  font-size: @font-size-base;
+  font-family: SimSun, sans-serif;
+  line-height: 1;
+  content: '*';
+  .@{form-prefix-cls}-hide-required-mark & {
+    display: none;
+  }
+}
+
+.@{form-prefix-cls}-item-label > label {
+  color: @label-color;
+
+  &::after {
+    & when (@form-item-trailing-colon=true) {
+      content: ':';
+    }
+    & when not (@form-item-trailing-colon=true) {
+      content: ' ';
+    }
+
+    position: relative;
+    top: -0.5px;
+    margin: 0 @form-item-label-colon-margin-right 0 @form-item-label-colon-margin-left;
+  }
+
+  &.@{form-prefix-cls}-item-no-colon::after {
+    content: ' ';
+  }
+}
+
+// Form items
+// You should wrap labels and controls in .@{form-prefix-cls}-item for optimum spacing
+.@{form-prefix-cls}-item {
+  label {
+    position: relative;
+
+    > .@{iconfont-css-prefix} {
+      font-size: @font-size-base;
+      vertical-align: top;
+    }
+  }
+
+  .reset-component;
+
+  margin-bottom: @form-item-margin-bottom;
+  vertical-align: top;
+
+  &-control {
+    position: relative;
+    line-height: @form-component-max-height;
+    .clearfix;
+  }
+
+  &-children {
+    position: relative;
+  }
+
+  &-with-help {
+    margin-bottom: max(0, @form-item-margin-bottom - @form-explain-height - @form-help-margin-top);
+  }
+
+  &-label {
+    display: inline-block;
+    overflow: hidden;
+    line-height: @form-component-max-height - 0.0001px;
+    white-space: nowrap;
+    text-align: right;
+    vertical-align: middle;
+
+    &-left {
+      text-align: left;
+    }
+  }
+
+  .@{ant-prefix}-switch {
+    margin: 2px 0 4px;
+  }
+}
+
+.@{form-prefix-cls}-explain,
+.@{form-prefix-cls}-extra {
+  clear: both;
+  min-height: @form-explain-height + @form-explain-precision;
+  margin-top: @form-help-margin-top;
+  color: @text-color-secondary;
+  font-size: @form-explain-font-size;
+  line-height: @line-height-base;
+  transition: color 0.3s @ease-out; // sync input color transition
+}
+
+.@{form-prefix-cls}-explain {
+  margin-bottom: -@form-explain-precision;
+}
+
+.@{form-prefix-cls}-extra {
+  padding-top: 4px;
+}
+
+.@{form-prefix-cls}-text {
+  display: inline-block;
+  padding-right: 8px;
+}
+
+.@{form-prefix-cls}-split {
+  display: block;
+  text-align: center;
+}
+
+form {
+  .has-feedback {
+    .@{ant-prefix}-input {
+      padding-right: @input-padding-horizontal-base + @input-affix-width;
+    }
+
+    // https://github.com/ant-design/ant-design/issues/19884
+    .@{ant-prefix}-input-affix-wrapper {
+      .@{ant-prefix}-input-suffix {
+        padding-right: 18px;
+      }
+      .@{ant-prefix}-input {
+        padding-right: @input-padding-horizontal-base + @input-affix-width * 2;
+      }
+      &.@{ant-prefix}-input-affix-wrapper-input-with-clear-btn {
+        .@{ant-prefix}-input {
+          padding-right: @input-padding-horizontal-base + @input-affix-width * 3;
+        }
+      }
+    }
+
+    // Fix overlapping between feedback icon and <Select>'s arrow.
+    // https://github.com/ant-design/ant-design/issues/4431
+    > .@{ant-prefix}-select .@{ant-prefix}-select-arrow,
+    > .@{ant-prefix}-select .@{ant-prefix}-select-selection__clear,
+    :not(.@{ant-prefix}-input-group-addon) > .@{ant-prefix}-select .@{ant-prefix}-select-arrow,
+    :not(.@{ant-prefix}-input-group-addon)
+      > .@{ant-prefix}-select
+      .@{ant-prefix}-select-selection__clear {
+      right: (@form-component-height / 2) + @form-feedback-icon-size - 2px;
+    }
+    > .@{ant-prefix}-select .@{ant-prefix}-select-selection-selected-value,
+    :not(.@{ant-prefix}-input-group-addon)
+      > .@{ant-prefix}-select
+      .@{ant-prefix}-select-selection-selected-value {
+      padding-right: 42px;
+    }
+
+    .@{ant-prefix}-cascader-picker {
+      &-arrow {
+        margin-right: (@form-component-height / 2) + @form-feedback-icon-size - 13px;
+      }
+      &-clear {
+        right: (@form-component-height / 2) + @form-feedback-icon-size - 2px;
+      }
+    }
+
+    // Fix issue: https://github.com/ant-design/ant-design/issues/7854
+    .@{ant-prefix}-input-search:not(.@{ant-prefix}-input-search-enter-button) {
+      .@{ant-prefix}-input-suffix {
+        right: (@form-component-height / 2) + @form-feedback-icon-size - 2px;
+      }
+    }
+
+    // Fix issue: https://github.com/ant-design/ant-design/issues/4783
+    .@{ant-prefix}-calendar-picker,
+    .@{ant-prefix}-time-picker {
+      &-icon,
+      &-clear {
+        right: (@form-component-height / 2) + @form-feedback-icon-size - 2px;
+      }
+    }
+  }
+
+  .@{ant-prefix}-mentions,
+  textarea.@{ant-prefix}-input {
+    height: auto;
+    margin-bottom: 4px;
+  }
+
+  // input[type=file]
+  .@{ant-prefix}-upload {
+    background: transparent;
+  }
+
+  input[type='radio'],
+  input[type='checkbox'] {
+    width: 14px;
+    height: 14px;
+  }
+
+  // Radios and checkboxes on same line
+  .@{ant-prefix}-radio-inline,
+  .@{ant-prefix}-checkbox-inline {
+    display: inline-block;
+    margin-left: 8px;
+    font-weight: normal;
+    vertical-align: middle;
+    cursor: pointer;
+
+    &:first-child {
+      margin-left: 0;
+    }
+  }
+
+  .@{ant-prefix}-checkbox-vertical,
+  .@{ant-prefix}-radio-vertical {
+    display: block;
+  }
+
+  .@{ant-prefix}-checkbox-vertical + .@{ant-prefix}-checkbox-vertical,
+  .@{ant-prefix}-radio-vertical + .@{ant-prefix}-radio-vertical {
+    margin-left: 0;
+  }
+
+  .@{ant-prefix}-input-number {
+    + .@{form-prefix-cls}-text {
+      margin-left: 8px;
+    }
+    &-handler-wrap {
+      z-index: 2; // https://github.com/ant-design/ant-design/issues/6289
+    }
+  }
+
+  .@{ant-prefix}-select,
+  .@{ant-prefix}-cascader-picker {
+    width: 100%;
+  }
+
+  // Don't impact select inside input group
+  .@{ant-prefix}-input-group .@{ant-prefix}-select,
+  .@{ant-prefix}-input-group .@{ant-prefix}-cascader-picker {
+    width: auto;
+  }
+
+  // fix input with addon position. https://github.com/ant-design/ant-design/issues/8243
+  :not(.@{ant-prefix}-input-group-wrapper) > .@{ant-prefix}-input-group,
+  .@{ant-prefix}-input-group-wrapper {
+    display: inline-block;
+    vertical-align: middle;
+  }
+
+  // https://github.com/ant-design/ant-design/issues/20616
+  &:not(.@{form-prefix-cls}-vertical) {
+    :not(.@{ant-prefix}-input-group-wrapper) > .@{ant-prefix}-input-group,
+    .@{ant-prefix}-input-group-wrapper {
+      position: relative;
+      top: -1px;
+    }
+  }
+}
+
+// Form layout
+//== Vertical Form
+.make-vertical-layout-label() {
+  display: block;
+  margin: @form-vertical-label-margin;
+  padding: @form-vertical-label-padding;
+  line-height: @line-height-base;
+  white-space: initial;
+  text-align: left;
+
+  label::after {
+    display: none;
+  }
+}
+
+.make-vertical-layout() {
+  .@{form-prefix-cls}-item-label,
+  .@{form-prefix-cls}-item-control-wrapper {
+    display: block;
+    width: 100%;
+  }
+  .@{form-prefix-cls}-item-label {
+    .make-vertical-layout-label();
+  }
+}
+
+.@{form-prefix-cls}-vertical .@{form-prefix-cls}-item-label,
+  // when labelCol is 24, it is a vertical form
+.@{ant-prefix}-col-24.@{form-prefix-cls}-item-label,
+.@{ant-prefix}-col-xl-24.@{form-prefix-cls}-item-label {
+  .make-vertical-layout-label();
+}
+
+.@{form-prefix-cls}-vertical {
+  .@{form-prefix-cls}-item {
+    padding-bottom: 8px;
+  }
+  .@{form-prefix-cls}-item-control {
+    line-height: @line-height-base;
+  }
+  .@{form-prefix-cls}-explain {
+    margin-top: 2px;
+    margin-bottom: -4px - @form-explain-precision;
+  }
+  .@{form-prefix-cls}-extra {
+    margin-top: 2px;
+    margin-bottom: -4px;
+  }
+}
+
+@media (max-width: @screen-xs-max) {
+  .make-vertical-layout();
+  .@{ant-prefix}-col-xs-24.@{form-prefix-cls}-item-label {
+    .make-vertical-layout-label();
+  }
+}
+
+@media (max-width: @screen-sm-max) {
+  .@{ant-prefix}-col-sm-24.@{form-prefix-cls}-item-label {
+    .make-vertical-layout-label();
+  }
+}
+
+@media (max-width: @screen-md-max) {
+  .@{ant-prefix}-col-md-24.@{form-prefix-cls}-item-label {
+    .make-vertical-layout-label();
+  }
+}
+
+@media (max-width: @screen-lg-max) {
+  .@{ant-prefix}-col-lg-24.@{form-prefix-cls}-item-label {
+    .make-vertical-layout-label();
+  }
+}
+
+@media (max-width: @screen-xl-max) {
+  .@{ant-prefix}-col-xl-24.@{form-prefix-cls}-item-label {
+    .make-vertical-layout-label();
+  }
+}
+
+//== Inline Form
+.@{form-prefix-cls}-inline {
+  .@{form-prefix-cls}-item {
+    display: inline-block;
+    margin-right: 16px;
+    margin-bottom: 0;
+
+    &-with-help {
+      margin-bottom: @form-item-margin-bottom;
+    }
+
+    > .@{form-prefix-cls}-item-control-wrapper,
+    > .@{form-prefix-cls}-item-label {
+      display: inline-block;
+      vertical-align: top;
+    }
+  }
+
+  .@{form-prefix-cls}-text {
+    display: inline-block;
+  }
+
+  .has-feedback {
+    display: inline-block;
+  }
+}
+
+// Validation state
+.has-success,
+.has-warning,
+.has-error,
+.is-validating {
+  &.has-feedback .@{form-prefix-cls}-item-children-icon {
+    position: absolute;
+    top: 50%;
+    right: 0;
+    z-index: 1;
+    width: @form-component-height;
+    height: 20px;
+    margin-top: -10px;
+    font-size: @form-feedback-icon-size;
+    line-height: 20px;
+    text-align: center;
+    visibility: visible;
+    animation: zoomIn 0.3s @ease-out-back;
+    pointer-events: none;
+
+    & svg {
+      position: absolute;
+      top: 0;
+      right: 0;
+      bottom: 0;
+      left: 0;
+      margin: auto;
+    }
+  }
+}
+
+.has-success {
+  &.has-feedback .@{form-prefix-cls}-item-children-icon {
+    color: @success-color;
+    animation-name: diffZoomIn1 !important;
+  }
+}
+
+.has-warning {
+  .form-control-validation(@warning-color; @warning-color; @form-warning-input-bg;);
+
+  &.has-feedback .@{form-prefix-cls}-item-children-icon {
+    color: @warning-color;
+    animation-name: diffZoomIn3 !important;
+  }
+
+  //select
+  .@{ant-prefix}-select {
+    &-selection {
+      border-color: @warning-color;
+      &:hover {
+        border-color: @warning-color;
+      }
+    }
+    &-open .@{ant-prefix}-select-selection,
+    &-focused .@{ant-prefix}-select-selection {
+      .active(@warning-color);
+    }
+  }
+
+  // arrow and icon
+  .@{ant-prefix}-calendar-picker-icon::after,
+  .@{ant-prefix}-time-picker-icon::after,
+  .@{ant-prefix}-picker-icon::after,
+  .@{ant-prefix}-select-arrow,
+  .@{ant-prefix}-cascader-picker-arrow {
+    color: @warning-color;
+  }
+
+  //input-number, timepicker
+  .@{ant-prefix}-input-number,
+  .@{ant-prefix}-time-picker-input {
+    border-color: @warning-color;
+    &-focused,
+    &:focus {
+      .active(@warning-color);
+    }
+    &:not([disabled]):hover {
+      border-color: @warning-color;
+    }
+  }
+
+  .@{ant-prefix}-cascader-picker {
+    &:focus .@{ant-prefix}-cascader-input {
+      .active(@warning-color);
+    }
+    &:hover .@{ant-prefix}-cascader-input {
+      border-color: @warning-color;
+    }
+  }
+}
+
+.has-error {
+  .form-control-validation(@error-color; @error-color; @form-error-input-bg;);
+
+  &.has-feedback .@{form-prefix-cls}-item-children-icon {
+    color: @error-color;
+    animation-name: diffZoomIn2 !important;
+  }
+
+  //select
+  .@{ant-prefix}-select {
+    &-selection {
+      border-color: @error-color;
+      &:hover {
+        border-color: @error-color;
+      }
+    }
+    &-open .@{ant-prefix}-select-selection,
+    &-focused .@{ant-prefix}-select-selection {
+      .active(@error-color);
+    }
+  }
+
+  .@{ant-prefix}-select.@{ant-prefix}-select-auto-complete {
+    .@{ant-prefix}-input:focus {
+      border-color: @error-color;
+    }
+  }
+
+  .@{ant-prefix}-input-group-addon .@{ant-prefix}-select {
+    &-selection {
+      border-color: transparent;
+      box-shadow: none;
+    }
+  }
+
+  // arrow and icon
+  .@{ant-prefix}-calendar-picker-icon::after,
+  .@{ant-prefix}-time-picker-icon::after,
+  .@{ant-prefix}-picker-icon::after,
+  .@{ant-prefix}-select-arrow,
+  .@{ant-prefix}-cascader-picker-arrow {
+    color: @error-color;
+  }
+
+  //input-number, timepicker
+  .@{ant-prefix}-input-number,
+  .@{ant-prefix}-time-picker-input {
+    border-color: @error-color;
+    &-focused,
+    &:focus {
+      .active(@error-color);
+    }
+    &:not([disabled]):hover {
+      border-color: @error-color;
+    }
+  }
+  .@{ant-prefix}-mention-wrapper {
+    .@{ant-prefix}-mention-editor {
+      &,
+      &:not([disabled]):hover {
+        border-color: @error-color;
+      }
+    }
+    &.@{ant-prefix}-mention-active:not([disabled]) .@{ant-prefix}-mention-editor,
+    .@{ant-prefix}-mention-editor:not([disabled]):focus {
+      .active(@error-color);
+    }
+  }
+
+  .@{ant-prefix}-cascader-picker {
+    &:focus .@{ant-prefix}-cascader-input {
+      .active(@error-color);
+    }
+    &:hover .@{ant-prefix}-cascader-input {
+      border-color: @error-color;
+    }
+  }
+
+  // transfer
+  .@{ant-prefix}-transfer {
+    &-list {
+      border-color: @error-color;
+
+      &-search:not([disabled]) {
+        border-color: @input-border-color;
+
+        &:hover {
+          .hover();
+        }
+
+        &:focus {
+          .active();
+        }
+      }
+    }
+  }
+}
+
+.is-validating {
+  &.has-feedback .@{form-prefix-cls}-item-children-icon {
+    display: inline-block;
+    color: @primary-color;
+  }
+}
+
+.@{ant-prefix}-advanced-search-form {
+  .@{form-prefix-cls}-item {
+    margin-bottom: @form-item-margin-bottom;
+
+    &-with-help {
+      margin-bottom: @form-item-margin-bottom - @form-explain-height - @form-help-margin-top;
+    }
+  }
+}
+
+.show-help-motion(@className, @keyframeName, @duration: @animation-duration-slow) {
+  .make-motion(@className, @keyframeName, @duration);
+  .@{className}-enter,
+  .@{className}-appear {
+    opacity: 0;
+    animation-timing-function: @ease-in-out;
+  }
+  .@{className}-leave {
+    animation-timing-function: @ease-in-out;
+  }
+}
+
+.show-help-motion(show-help, antShowHelp, 0.3s);
+
+@keyframes antShowHelpIn {
+  0% {
+    transform: translateY(-5px);
+    opacity: 0;
+  }
+  100% {
+    transform: translateY(0);
+    opacity: 1;
+  }
+}
+
+@keyframes antShowHelpOut {
+  to {
+    transform: translateY(-5px);
+    opacity: 0;
+  }
+}
+
+// need there different zoom animation
+// otherwise won't trigger anim
+@keyframes diffZoomIn1 {
+  0% {
+    transform: scale(0);
+  }
+  100% {
+    transform: scale(1);
+  }
+}
+
+@keyframes diffZoomIn2 {
+  0% {
+    transform: scale(0);
+  }
+  100% {
+    transform: scale(1);
+  }
+}
+
+@keyframes diffZoomIn3 {
+  0% {
+    transform: scale(0);
+  }
+  100% {
+    transform: scale(1);
+  }
+}

components/n-form/style/mixin.less

@@ -0,0 +1,126 @@
+@import '../../input/style/mixin';
+
+.form-control-validation(@text-color: @input-color; @border-color: @input-border-color; @background-color: @input-bg) {
+  .@{ant-prefix}-form-explain,
+  .@{ant-prefix}-form-split {
+    color: @text-color;
+  }
+  // 输入框的不同校验状态
+  .@{ant-prefix}-input {
+    &,
+    &:hover {
+      background-color: @background-color;
+      border-color: @border-color;
+    }
+
+    &:focus {
+      .active(@border-color);
+    }
+
+    &:not([disabled]):hover {
+      border-color: @border-color;
+    }
+  }
+
+  .@{ant-prefix}-calendar-picker-open .@{ant-prefix}-calendar-picker-input {
+    .active(@border-color);
+  }
+
+  // Input prefix
+  .@{ant-prefix}-input-affix-wrapper {
+    .@{ant-prefix}-input {
+      &,
+      &:hover {
+        background-color: @background-color;
+        border-color: @border-color;
+      }
+
+      &:focus {
+        .active(@border-color);
+      }
+    }
+
+    &:hover .@{ant-prefix}-input:not(.@{ant-prefix}-input-disabled) {
+      border-color: @border-color;
+    }
+  }
+
+  .@{ant-prefix}-input-prefix {
+    color: @text-color;
+  }
+
+  .@{ant-prefix}-input-group-addon {
+    color: @text-color;
+    background-color: @background-color;
+    border-color: @border-color;
+  }
+
+  .has-feedback {
+    color: @text-color;
+  }
+}
+
+// Reset form styles
+// -----------------------------
+// Based on Bootstrap framework
+.reset-form() {
+  legend {
+    display: block;
+    width: 100%;
+    margin-bottom: 20px;
+    padding: 0;
+    color: @text-color-secondary;
+    font-size: @font-size-lg;
+    line-height: inherit;
+    border: 0;
+    border-bottom: @border-width-base @border-style-base @border-color-base;
+  }
+
+  label {
+    font-size: @font-size-base;
+  }
+
+  input[type='search'] {
+    box-sizing: border-box;
+  }
+
+  // Position radios and checkboxes better
+  input[type='radio'],
+  input[type='checkbox'] {
+    line-height: normal;
+  }
+
+  input[type='file'] {
+    display: block;
+  }
+
+  // Make range inputs behave like textual form controls
+  input[type='range'] {
+    display: block;
+    width: 100%;
+  }
+
+  // Make multiple select elements height not fixed
+  select[multiple],
+  select[size] {
+    height: auto;
+  }
+
+  // Focus for file, radio, and checkbox
+  input[type='file']:focus,
+  input[type='radio']:focus,
+  input[type='checkbox']:focus {
+    outline: thin dotted;
+    outline: 5px auto -webkit-focus-ring-color;
+    outline-offset: -2px;
+  }
+
+  // Adjust output element
+  output {
+    display: block;
+    padding-top: 15px;
+    color: @input-color;
+    font-size: @font-size-base;
+    line-height: @line-height-base;
+  }
+}

components/style.js

@@ -59,3 +59,4 @@ import './statistic/style';
 import './result/style';
 import './descriptions/style';
 import './page-header/style';
+import './n-form/style';