onBlur={(e) => { let inputValue = unitNameKey; // 当是选中值的时候,就没有e.target.value,所以需要通过原生获取节点的值 if (!inputValue) { inputValue = form.getFieldValue('unitName'); } setUnitName(inputValue) // 绑定值到表单上 form.setFieldsValue({ unitName: inputValue }) }} ...
/* .Select-value comes with an absolute position to stack it below .Select-input */ /* we need to scratch that in order for us to be able to let the div grow depending on its content size */ .Select-placeholder, .Select--single > .Select-control .Select-value { position: relative;...
const loadOptions = async (inputValue) => { try { const response = await axios.get('https://api.example.com/options', { params: { search: inputValue } }); const options = response.data.map((option) => ({ value: option.id, label: option.name })); return options; } catch (err...
return (<formonSubmit={handleSubmit}><labelhtmlFor="email"style={{display:'block'}}>Email</label><inputid="email"placeholder="Enter your email"type="email"value={values.email}onChange={handleChange}onBlur={handleBlur}/>{errors.email && touched.email && (<divstyle={{color:'red',marginTop...
没有value属性,通过操作DOM来获取表单数据的组件 import { useRef } from "react"; export default function Father() { const Ref_input = useRef(null); function getFileInfo() { console.log(Ref_input.current && Ref_input.current.files); } return ( <div> <input type="file" ref={Ref_input}...
value={selectedOption}onChange={this.handleChange}options={options}/>); } } Demo2.jsx import React, { Component, Fragment } from 'react'; import Select from'react-select'; const Checkbox= props => <input type="checkbox" {...props} />; ...
( props.children ) : ( <div>Max limit achieved</div> )} </components.Menu> ); }; function App() { const isValidNewOption = (inputValue, selectValue) => inputValue.length > 0 && selectValue.length < 5; return ( <div className="App"> <Creatable components={{ Menu }} isMulti ...
input接收一个defaultValue来设置初始值,我们传入的初始值是对应的value而不是label,所以这里我是用循环props.children来查找对应的label,然后展示input的defaultValue。input点击则显示下拉框。 Position组件是我们上面提到的定位组件,如果Position组件不在可视区时,执行noNotVisibleArea()方法让下拉框不显示。
getStyles Each component gets passed a getStyles method which has the following signature: (key: string, props: Object) => stylesObject; The key is a lowercased string value corresponding to the component that the styles apply to, i.e. option for the Option component, menuplacer for the...
输入框在之前有说过输入框,可以先给input框的value绑定一个值,然后通过input框的改变事件来获取用户输入的值,并将这个值赋值给value绑定的值,就可以实现数据的双向绑定了。单选框单选框,首先需要控制的单选框的是否选中,这里可以通过控制checked属性的值来控制当前单选框是否选中,改变che...