React 拖动布局

安装组件react-grid-layout

yarn add react-grid-layout

引入拖动样式,不然没有拖动效果

import '../../../node_modules/react-grid-layout/css/styles.css'

import React from 'react'
import { IProps } from 'config/models'
import { Row, } from 'antd'
import _ from "lodash";
import GridLayout from "react-grid-layout";
import RGL, { WidthProvider } from "react-grid-layout";
import '../../../node_modules/react-grid-layout/css/styles.css'
const ReactGridLayout = WidthProvider(RGL);
interface LoginProp extends IProps {
}
interface LoginState {
    loginName: string,
    loginPassword: string,
    layout: any,
    config: {
        className: string,
        items: number,
        rowHeight: number,
        cols: number
    }
}
export default class HomePage extends React.Component<IProps, LoginState> {
    constructor(props: any) {
        super(props)
        const layout = this.generateLayout();
        this.state = {
            loginName: '',
            loginPassword: '',
            layout: layout,
            config: {
                className: "layout",
                items: 20,
                rowHeight: 30,
                cols: 12
            }
        }
    }
    generateDOM() {
        return _.map(_.range(20), function (i) {
            return (
                <div key={i} style={{ background: '#ccc' }}>
                    <span className="text">{i}</span>
                </div>
            );
        });
    }

    generateLayout() {
        /*
            static:true + isDraggable:true 全局拖拽,不会自动挤开其他div
            static:false + isDraggable:true 拖拽自动挤开其他div
        */
        return _.map(new Array(20), function (item, i) {
            const y = Math.ceil(Math.random() * 4) + 1;
            return {
                x: (i * 2) % 12,
                y: Math.floor(i / 6) * y,
                w: 2,
                h: y,
                i: i.toString(),
                static: false,
                isResizable: true,
                isDraggable: true,
                isDroppable: true
            };
        });
    }
    // 拖动改变后的心数组
    onLayoutChange(layout: any) {
        debugger
        // this.props.onLayoutChange(layout);
    }
    render() {
        return (
            <>
                <ReactGridLayout
                    layout={this.state.layout}
                    onLayoutChange={this.onLayoutChange}
                    {...this.state.config}
                >
                    {this.generateDOM()}
                </ReactGridLayout>
            </>
        )
    }
}

api https://www.ctolib.com/react-grid-layout.html#demos