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FormBuilder增加支持Form.List渲染

master
LiuJiaNan 2025-12-02 17:43:11 +08:00
parent d258739d63
commit a131883abc
5 changed files with 315 additions and 105 deletions
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1
components/FormBuilder/FormBuilder.js
View File

@ -45,6 +45,7 @@ const FormBuilder = (props) => {
options={options}
labelCol={labelCol}
span={span}
gutter={gutter}
useAutoGenerateRequired={useAutoGenerateRequired}
initialValues={values}
/>

28
components/FormBuilder/FormItemsRenderer.d.ts vendored
View File

@ -1,5 +1,7 @@
import type { ColProps } from "antd/es/col";
import type { FormItemProps, Rule } from "antd/es/form";
import type { FormListFieldData } from "antd/es/form/FormList";
import type { Gutter } from "antd/es/grid/row";
import type { NamePath } from "rc-field-form/lib/interface";
import type { FC, ReactNode } from "react";
import type { FORM_ITEM_RENDER_ENUM } from "../../enum/formItemRender";
@ -37,6 +39,26 @@ export interface itemsFieldConfig {
*/
export type FormValues = Record<string, any>;
/**
* Form.List 独有的属性
*/
export interface FormListUniqueProps {
/** 是否显示新增按钮，默认 true */
showAddButton?: boolean;
/** 是否显示删除按钮，默认 true */
showRemoveButton?: boolean;
/** 新增按钮的文本，默认 '添加' */
addButtonText?: string;
/** 删除按钮的文本，默认 '删除' */
removeButtonText?: string;
/** 表单配置项 */
options: FormOption[] | ((field: FormListFieldData) => FormOption[]);
/** 点击新增按钮时的默认值 */
addDefaultValue?: FormValues;
/** 点击新增按钮时插入的索引位置 */
addInsertIndex?: number;
}
/**
* 表单配置项
*/
@ -81,6 +103,8 @@ export interface FormOption {
dependencies?: NamePath[];
/** 是否仅用于保存标签，不渲染到页面上，只在表单中保存数据，默认 false */
onlyForLabel?: boolean;
/** Form.List 独有的属性 */
formListUniqueProps?: FormListUniqueProps;
}
/**
@ -97,6 +121,10 @@ export interface FormItemsRendererProps {
useAutoGenerateRequired?: boolean;
/** 初始值，用于在表单未初始化时提供默认值 */
initialValues?: FormValues;
/** 栅格间距，继承自 FormBuilder */
gutter?: Gutter | [Gutter, Gutter];
/** label 栅格配置，继承自 FormBuilder */
labelCol?: ColProps;
}
/**

321
components/FormBuilder/FormItemsRenderer.js
View File

@ -1,5 +1,6 @@
import { InfoCircleOutlined } from "@ant-design/icons";
import {
Button,
Checkbox,
Col,
DatePicker,
@ -8,6 +9,7 @@ import {
Input,
InputNumber,
Radio,
Row,
Select,
Tooltip,
} from "antd";
@ -19,10 +21,19 @@ const { RangePicker } = DatePicker;
/**
* 表单项渲染器组件
* @param {object} props - 组件属性
* @param {Array} props.options - 表单配置项数组
* @param {object} props.labelCol - label 栅格配置
* @param {number} props.gutter - 栅格间距
* @param {number} props.span - 默认栅格占据列数
* @param {boolean} props.collapse - 是否折叠（仅显示前3项）
* @param {boolean} props.useAutoGenerateRequired - 是否自动生成必填规则
* @param {object} props.initialValues - 初始值
*/
const FormItemsRenderer = ({
options,
labelCol,
gutter = 24,
span = 12,
collapse = false,
useAutoGenerateRequired = true,
@ -47,6 +58,31 @@ const FormItemsRenderer = ({
: (option.componentProps || {});
};
// 获取 Form.List 独有的属性
const getFormListUniqueProps = (option) => {
const defaultProps = {
showAddButton: true,
showRemoveButton: true,
addButtonText: "添加",
removeButtonText: "删除",
options: [],
addDefaultValue: {},
addInsertIndex: undefined,
};
if (typeof option.formListUniqueProps === "function") {
return {
...defaultProps,
...option.formListUniqueProps(getFormValues()),
};
}
return {
...defaultProps,
...(option.formListUniqueProps || {}),
};
};
// 获取传给formItem的属性
const getFormItemProps = (option) => {
const formItemProps = typeof option.formItemProps === "function"
@ -92,6 +128,14 @@ const FormItemsRenderer = ({
};
};
// 获取 required
const getRequired = (required) => {
// 支持动态计算 required
return typeof required === "function"
? required(getFormValues())
: (required ?? true);
};
// 获取验证规则
const getRules = (option) => {
if (option.render === FORM_ITEM_RENDER_ENUM.DIVIDER)
@ -115,11 +159,11 @@ const FormItemsRenderer = ({
rules.push({ pattern: /^(\d+)(\.\d{1,2})?$/, message: "请输入正确的数字，最多保留两位小数" });
rules.push({
validator: (_, value) => {
if (value && Math.abs(parseFloat(value)) > Number.MAX_SAFE_INTEGER) {
if (value && Math.abs(Number.parseFloat(value)) > Number.MAX_SAFE_INTEGER) {
return Promise.reject("输入数值超出安全范围");
}
return Promise.resolve();
}
},
});
break;
}
@ -127,12 +171,7 @@ const FormItemsRenderer = ({
if (!useAutoGenerateRequired)
return option.rules ? (Array.isArray(option.rules) ? [...option.rules, ...rules] : [option.rules, ...rules]) : [];
// 支持动态计算 required
const required = typeof option.required === "function"
? option.required(getFormValues())
: (option.required ?? true);
if (required) {
if (getRequired(option.required)) {
const isBlurTrigger = !option.render || [
FORM_ITEM_RENDER_ENUM.INPUT,
FORM_ITEM_RENDER_ENUM.TEXTAREA,
@ -162,6 +201,34 @@ const FormItemsRenderer = ({
return option.key || option.name;
};
// 使用 style 控制显示/隐藏
const getStyle = (index) => {
return collapse && index >= 3 ? { display: "none" } : undefined;
};
// 列数
const getCol = (option) => {
const itemSpan = option.render === FORM_ITEM_RENDER_ENUM.DIVIDER ? 24 : option.span ?? span;
const itemLabelCol = option.labelCol ?? (itemSpan === 24 ? { span: labelCol.span / 2 } : labelCol);
const itemWrapperCol = option.wrapperCol ?? { span: 24 - itemLabelCol.span };
return { span: itemSpan, labelCol: itemLabelCol, wrapperCol: itemWrapperCol };
};
// 获取 hidden
const getHidden = (hidden) => {
// 支持动态计算 hidden
return typeof hidden === "function"
? hidden(getFormValues())
: (hidden ?? false);
};
// 获取 listOptions
const getListOptions = (listOptions, field) => {
return typeof listOptions === "function"
? listOptions(field)
: (listOptions ?? []);
};
// 渲染表单控件
const renderFormControl = (option) => {
const componentProps = getComponentProps(option);
@ -230,13 +297,37 @@ const FormItemsRenderer = ({
return <DatePicker placeholder={placeholder} format="YYYY-MM-DD" style={{ width: "100%" }} {...componentProps} />;
case FORM_ITEM_RENDER_ENUM.DATE_MONTH:
return <DatePicker picker="month" placeholder={placeholder} format="YYYY-MM" style={{ width: "100%" }} {...componentProps} />;
return (
<DatePicker
picker="month"
placeholder={placeholder}
format="YYYY-MM"
style={{ width: "100%" }}
{...componentProps}
/>
);
case FORM_ITEM_RENDER_ENUM.DATE_YEAR:
return <DatePicker picker="year" placeholder={placeholder} format="YYYY" style={{ width: "100%" }} {...componentProps} />;
return (
<DatePicker
picker="year"
placeholder={placeholder}
format="YYYY"
style={{ width: "100%" }}
{...componentProps}
/>
);
case FORM_ITEM_RENDER_ENUM.DATE_WEEK:
return <DatePicker picker="week" placeholder={placeholder} format="YYYY-wo" style={{ width: "100%" }} {...componentProps} />;
return (
<DatePicker
picker="week"
placeholder={placeholder}
format="YYYY-wo"
style={{ width: "100%" }}
{...componentProps}
/>
);
case FORM_ITEM_RENDER_ENUM.DATE_RANGE:
return (
@ -293,21 +384,34 @@ const FormItemsRenderer = ({
);
};
// 渲染普通表单项
const renderFormItem = ({ option, style, col, index, name }) => {
if (getHidden(option.hidden))
return null;
return (
<>
{options.map((option, index) => {
// 列数
const itemSpan = option.render === FORM_ITEM_RENDER_ENUM.DIVIDER ? 24 : option.span ?? span;
const itemLabelCol = option.labelCol ?? (itemSpan === 24 ? { span: labelCol.span / 2 } : labelCol);
const itemWrapperCol = option.wrapperCol ?? { span: 24 - itemLabelCol.span };
// 使用 style 控制显示/隐藏
const style = collapse && index >= 3 ? { display: "none" } : undefined;
<Col key={getKey(option) || index} span={col.span} style={style}>
<Form.Item
name={name || option.name}
label={renderLabel(option)}
rules={getRules(option)}
labelCol={col.labelCol}
wrapperCol={col.wrapperCol}
preserve={false}
{...getFormItemProps(option)}
>
{renderFormControl(option)}
</Form.Item>
</Col>
);
};
// 渲染特殊类型的表单项
const renderOtherTypeItem = ({ option, style, col, index, name }) => {
// 如果是 customizeRender 类型，完全交给外部控制渲染
if (option.customizeRender) {
return (
<Col key={getKey(option) || index} span={itemSpan} style={style}>
<Col key={getKey(option) || index} span={col.span} style={style}>
{option.render}
</Col>
);
@ -318,7 +422,7 @@ const FormItemsRenderer = ({
return (
<Form.Item
key={getKey(option) || index}
name={option.name}
name={name || option.name}
noStyle
preserve={false}
>
@ -330,75 +434,148 @@ const FormItemsRenderer = ({
// 如果是分割线
if (option.render === FORM_ITEM_RENDER_ENUM.DIVIDER) {
return (
<Col key={getKey(option) || index} span={itemSpan} style={style}>
<Col key={getKey(option) || index} span={col.span} style={style}>
<Divider orientation="left">{option.label}</Divider>
</Col>
);
}
// 如果配置了 shouldUpdate 或 dependencies，使用 Form.Item 的联动机制
if ((option.shouldUpdate ?? option.dependencies) || (option?.componentProps?.shouldUpdate ?? option?.componentProps?.dependencies)) {
return null;
};
// 渲染 Form.List
const renderFormList = (option, index, col, style) => {
const formListUniqueProps = getFormListUniqueProps(option);
return (
<Col key={getKey(option) || index} span={col.span} style={style}>
<Form.List name={option.name}>
{(fields, { add, remove }) => (
<>
{fields.map((field, fieldIndex) => {
const listOptions = getListOptions(option.formListUniqueProps.options, field);
return (
<Row gutter={gutter} key={field.key}>
{listOptions.map((listOption, listIndex) => {
const col = getCol(listOption);
const params = {
option: listOption,
style,
col,
index: `${fieldIndex}_${listIndex}`,
name: [field.name, listOption.name],
};
const otherTypeItem = renderOtherTypeItem(params);
if (otherTypeItem)
return otherTypeItem;
// 如果是最后一个表单项，则在其后添加操作按钮
// 这样可以确保每个表单项组都有添加/删除按钮
if (listIndex === listOptions.length - 1) {
return (
<Col key={getKey(listOption) || listIndex} span={col.span} style={style}>
<Form.Item
label={renderLabel(listOption)}
labelCol={col.labelCol}
wrapperCol={col.wrapperCol}
preserve={false}
required={getRequired(listOption.required)}
{...getFormItemProps(listOption)}
>
<div style={{ display: "flex", gap: 10, alignItems: "center" }}>
<Form.Item
noStyle
rules={getRules(listOption)}
name={[field.name, listOption.name]}
>
{renderFormControl(listOption)}
</Form.Item>
{
// 只有当不是第一行时才显示删除按钮
fieldIndex >= 1
? (
formListUniqueProps.showRemoveButton
&& (
<Button
type="primary"
danger
onClick={() => remove(field.name)}
>
{formListUniqueProps.removeButtonText}
</Button>
)
)
: (
// 第一行显示添加按钮
formListUniqueProps.showAddButton
&& (
<Button
type="primary"
onClick={() => add(formListUniqueProps.addDefaultValue, formListUniqueProps.addInsertIndex)}
>
{formListUniqueProps.addButtonText}
</Button>
)
)
}
</div>
</Form.Item>
</Col>
);
}
return renderFormItem(params);
})}
</Row>
);
})}
</>
)}
</Form.List>
</Col>
);
};
// 渲染需要动态更新的表单项
const renderDynamicFormItem = (option, index, style, col) => {
return (
<Form.Item
key={getKey(option) || index}
noStyle
preserve={false}
shouldUpdate={option.shouldUpdate ?? option?.componentProps?.shouldUpdate}
dependencies={option.dependencies || option?.componentProps?.dependencies}
dependencies={option.dependencies ?? option?.componentProps?.dependencies}
>
{() => {
// 支持动态计算 hidden
const hidden = typeof option.hidden === "function"
? option.hidden(getFormValues())
: (option.hidden ?? false);
if (hidden)
return null;
return (
<Col key={getKey(option) || index} span={itemSpan} style={style}>
<Form.Item
name={option.name}
label={renderLabel(option)}
rules={getRules(option)}
labelCol={itemLabelCol}
wrapperCol={itemWrapperCol}
preserve={false}
{...getFormItemProps(option)}
>
{renderFormControl(option)}
</Form.Item>
</Col>
);
return renderFormItem({ option, style, col, index });
}}
</Form.Item>
);
};
return (
<>
{options.map((option, index) => {
const col = getCol(option);
const style = getStyle(index);
// 处理特殊类型的表单项
const otherTypeItem = renderOtherTypeItem({ option, style, col, index });
if (otherTypeItem)
return otherTypeItem;
// 如果是 Form.List
if (option.render === FORM_ITEM_RENDER_ENUM.FORM_LIST) {
return renderFormList(option, index, col, style);
}
// 如果配置了 shouldUpdate 或 dependencies，使用 Form.Item 的联动机制
if ((option.shouldUpdate ?? option.dependencies) || (option?.componentProps?.shouldUpdate ?? option?.componentProps?.dependencies)) {
return renderDynamicFormItem(option, index, style, col);
}
// 普通表单项（静态配置）
// 支持动态计算 hidden
const hidden = typeof option.hidden === "function"
? option.hidden(getFormValues())
: (option.hidden ?? false);
if (hidden)
return null;
return (
<Col key={getKey(option) || index} span={itemSpan} style={style}>
<Form.Item
name={option.name}
label={renderLabel(option)}
rules={getRules(option)}
labelCol={itemLabelCol}
wrapperCol={itemWrapperCol}
preserve={false}
{...getFormItemProps(option)}
>
{renderFormControl(option)}
</Form.Item>
</Col>
);
return renderFormItem({ option, style, col, index });
})}
</>
);

2
enum/formItemRender/index.d.ts vendored
View File

@ -32,4 +32,6 @@ export declare const FORM_ITEM_RENDER_ENUM: {
DATETIME_RANGE: "datetimeRange";
/** 映射为 antd Divider */
DIVIDER: "divider";
/** 映射为 antd FormList */
FORM_LIST: "formList",
};

2
enum/formItemRender/index.js
View File

@ -32,4 +32,6 @@ export const FORM_ITEM_RENDER_ENUM = {
DATETIME_RANGE: "datetimeRange",
/** 映射为 antd Divider */
DIVIDER: "divider",
/** 映射为 antd FormList */
FORM_LIST: "formList",
};