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rc-hook-form

v1.0.8

Published

Downloads

4

Readme

rc-Hook-Form

使用
安装
 yarn add rh-hook-form
  • 目前默认在onchange时候做了表单验证
import React, { useRef, useState } from 'react';

import rcHookForm from 'rc-hook-form';

import "rc-hook-form/dist/index.css";

const { Form, FormItem } = rcHookForm;

const rules = {
  name: [
    {
      message: '必填',
      required: true,
    },
    {
      message: '邮箱',
      type: 'email',
    }
  ],
};

const form2 = {
  name: '',
  count: 2,
  time: [
    {
      id: 1
    }
  ],
};

function Test() {
  const formRef = useRef();
  const submitForm = () => {
    formRef.current.validatorForm((result, formData) => {
      console.log(result);
      console.log(formData);
    });
  };
  return (<div>
    <Form ref={formRef} labelPosition="left">
      <FormItem label="活动名称" isRequire prop="name" rules={rules.name} defaultValue={form.name}>
        <input fromctr="true" className='xt-input' type="text" />
      </FormItem>
      <button onClick={submitForm}>提交</button>
    </Form>
  </div>);
};

export default Test;

Form

| 参数 | 类型 | 默认值 | 描述 | | -------- | -----: | :----: |:----: | | labelPosition | string | left | label对齐方式(left,top,right) | | className | string | | form组件classname | | ref | React-ref | | form的ref,通过此调用form方法 |

ref 上的方法
  • ref.getFormData(format) 返回当前整个表单值

format // 需要格式话成的form数据结构

若表单无深层嵌套无需传递

 let form = {
    a: {
        b: {
            value: ''
        }
    }
 }

通过输入框改变value值为2

调用 ref.getFormData()
返回 { a.b.value: 2 }

调用 ref.getFormData(form)
返回 {
   a: {
       b: {
           value: 2
       }
   }
}
  • ref.validatorForm(call, format) 验证整个表单返回结果和表单值

call(resule, formData)

resule 布尔值标识验证是否通过 formData 表单数据

format 与ref.getFormData(format)一致

FormItem
  • 注意:表单中的真正表单组件上需要添加formctr="true",让FormItem知道此组件为真正需要受控的表单组件
 <FormItem label="用户名" isRequire prop="name" rules={rules.name} defaultValue={form.name}>
   <input fromctr="true" className='xt-input' type="text" />
   <span>163/qq等邮箱</span>
</FormItem>
 <FormItem label="计数器" isRequire prop="count" rules={rules.count} defaultValue={form.count}>
   <Test fromctr="true"/>
   <span>计数</span>
 </FormItem>

| 参数 | 类型 | 默认值 | 描述 | | -------- | -----: | :----: |:----: | | label | string | | label名称 | | defaultValue | any | | 默认值 | | contentClass | className | | 表单容器的className | | errClass | className | | 错误信息容器的className | | rules | Object || arry | | 验证规则 | | isRequire | boolean || false | | label前显示必填样式 | | prop | string || 必填 | | 当前属性在表单对象中的位置 |

  • prop 说明
let form = {
    a: '',
    b: [
        {
            name: ""
        }
    ]
}

FormItem  a 对应的prop为 prop="a"
FormItem  b[1] 对应的prop为 prop='b[1]['name']'

表单验证

const rules = {
   name: [
     {
       message: '必填',
       required: true,
     },
     {
       message: '邮箱',
       type: 'email',
     },
     {
        message: '同步自定义验证规则',
        validator: (rule, value) => value === 'muji',
     },
     {
        message: '异步自定义验证规则',
        asyncValidator: (rule, value) => {
           return new Promise((resolve, reject) => {
             if (value < 18) {
               reject("too young");  // reject with error message
             } else {
               resolve();
             }
           });
        }
     },
   ],
 };
自定义非原生表单组件(input radio 等),使用遵循规范
const Test = function({ value, onChange }) {
  const [count, setCount] = useState(value);
  const addCount = () => {
    const value = count + 1;
    setCount(value);
    // FotmItem组件会为你的组件自动注入一个onChange事件,在自定义组件中修改值后,要将值传递给form,调用onChang按照如下格式使用
    onChange({
      target: {
        value: value,
      },
    });
  };
  return (<div onClick={addCount}>{count}</div>);
};