React Select组件

官网：

　　1）http://jedwatson.github.io/react-select/

　　2）https://github.com/JedWatson/react-select

　　3）https://www.npmjs.com/package/react-select

demo结构：

　　package.json

"dependencies": {
    "react": "^16.12.0",
    "react-dom": "^16.12.0",
    "react-select": "^3.0.8",
    ...
},

　　index.jsx

import React from 'react'
import ReactDOM from 'react-dom'

import App from './components/App.jsx'

ReactDOM.render(<App />, document.getElementById('root'))

 　　App.jsx

import React from 'react'
import Demo from './Demo.jsx'
import Demo2 from './Demo2.jsx'

export default class App extends React.Component {
    constructor(props) {
        super(props)
        this.state = {}
    }

    render() {
        return (
            <div style={{ '400px'}}>
                <Demo />
                <br />
                <Demo2 />
            </div>
        )
    }
}

　　Demo.jsx

import React from 'react';
import Select from 'react-select';

const options = [
    { value: 'chocolate', label: 'Chocolate' },
    { value: 'strawberry', label: 'Strawberry' },
    { value: 'vanilla', label: 'Vanilla' },
];

export default class Demo extends React.Component {
    state = {
        selectedOption: null,
    };
    handleChange = selectedOption => {
        this.setState({ selectedOption });
        // Option selected: { value: "chocolate", label: "Chocolate" }
        console.log(`Option selected:`, selectedOption);
    };
    render() {
        const { selectedOption } = this.state;

        return (
            <Select
                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} />;
const colourOptions = [
    { value: 'ocean', label: 'Ocean', color: '#00B8D9', isFixed: true },
    { value: 'blue', label: 'Blue', color: '#0052CC', isDisabled: true },
    { value: 'purple', label: 'Purple', color: '#5243AA' },
    { value: 'red', label: 'Red', color: '#FF5630', isFixed: true },
    { value: 'orange', label: 'Orange', color: '#FF8B00' },
    { value: 'yellow', label: 'Yellow', color: '#FFC400' },
    { value: 'green', label: 'Green', color: '#36B37E' },
    { value: 'forest', label: 'Forest', color: '#00875A' },
    { value: 'slate', label: 'Slate', color: '#253858' },
    { value: 'silver', label: 'Silver', color: '#666666' },
];

export default class SingleSelect extends Component {
    state = {
        isClearable: true,
        isDisabled: false,
        isLoading: false,
        isRtl: false,
        isSearchable: true,
    };

    toggleClearable = () =>
        this.setState(state => ({ isClearable: !state.isClearable }));
    toggleDisabled = () =>
        this.setState(state => ({ isDisabled: !state.isDisabled }));
    toggleLoading = () =>
        this.setState(state => ({ isLoading: !state.isLoading }));
    toggleRtl = () => this.setState(state => ({ isRtl: !state.isRtl }));
    toggleSearchable = () =>
        this.setState(state => ({ isSearchable: !state.isSearchable }));
    render() {
        const {
            isClearable,
            isSearchable,
            isDisabled,
            isLoading,
            isRtl,
        } = this.state;
        return (
            <Fragment>
                <Select
                    className="basic-single"
                    classNamePrefix="select"
                    defaultValue={colourOptions[0]}
                    isDisabled={isDisabled}
                    isLoading={isLoading}
                    isClearable={isClearable}
                    isRtl={isRtl}
                    isSearchable={isSearchable}
                    name="color"
                    options={colourOptions}
                />

                <Checkbox
                    checked={isClearable}
                    onChange={this.toggleClearable}
                    id="cypress-single__clearable-checkbox"
                />
                Clearable

                    <Checkbox
                    checked={isSearchable}
                    onChange={this.toggleSearchable}
                    id="cypress-single__searchable-checkbox"
                />
                Searchable
                    <Checkbox
                    checked={isDisabled}
                    onChange={this.toggleDisabled}
                    id="cypress-single__disabled-checkbox"
                />
                Disabled

                    <Checkbox
                    checked={isLoading}
                    onChange={this.toggleLoading}
                    id="cypress-single__loading-checkbox"
                />
                Loading
                    <Checkbox
                    type="checkbox"
                    checked={isRtl}
                    onChange={this.toggleRtl}
                    id="cypress-single__rtl-checkbox"
                />
                RTL
            </Fragment>
        );
    }
}

 

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