antd react form.list动态增减表单项Switch受控

每一天，每一步2024-08-03 13:13

javascript 复制代码

import React, { useState } from 'react';
import { Form, Input, Switch, Button } from 'antd';
 
const Demo = () => {
  const [switches, setSwitches] = useState({});
 
  const onFinish = (values) => {
    console.log('Received values of form: ', values);
  };
 
  return (
    <Form
      name="dynamic_form_item"
      onFinish={onFinish}
      autoComplete="off"
    >
      <Form.List name="list">
        {(fields, { add, remove }) => (
          <>
            {fields.map((field, index) => (
              <Form.Item
                {...field}
                name={[field.name]}
                key={field.key}
                fieldKey={field.fieldKey}
              >
                <Input placeholder="Input number" />
                <Switch
                  checked={switches[field.name]}
                  onChange={(checked) => {
                    setSwitches({ ...switches, [field.name]: checked });
                  }}
                />
                {fields.length > 1 ? (
                  <Button
                    onClick={() => {
                      remove(field.name);
                      setSwitches({ ...switches, [field.name]: undefined });
                    }}
                  >
                    Delete
                  </Button>
                ) : null}
              </Form.Item>
            ))}
            <Form.Item>
              <Button type="dashed" onClick={() => add()}>
                <PlusOutlined /> Add field
              </Button>
            </Form.Item>
          </>
        )}
      </Form.List>
      <Form.Item>
        <Button type="primary" htmlType="submit">
          Submit
        </Button>
      </Form.Item>
    </Form>
  );
};
 
export default Demo;

这个代码示例展示了如何使用Ant Design的Form和Form.List组件来创建一个可动态增减表单项的表单，并且每个表单项旁边都有一个Switch组件，这些Switch组件是受控的，即它们的状态会被保存在组件的状态中。当用户提交表单时，表单的数据以及Switch的状态都会被打印出来。