实现antd pro v2的动态路由，基于人人的框架

[hehongwei44]

人人框架地址：https://www.renren.io/

[hehongwei44]

实现脚本如下，修改文件为BasicLayout.js

import React from 'react';
import { Layout } from 'antd';
import DocumentTitle from 'react-document-title';
import isEqual from 'lodash/isEqual';
import arrayIncludes from 'lodash/_arrayIncludes';
import memoizeOne from 'memoize-one';
import { connect } from 'dva';
import { ContainerQuery } from 'react-container-query';
import classNames from 'classnames';
import pathToRegexp from 'path-to-regexp';
import { enquireScreen, unenquireScreen } from 'enquire-js';
import { formatMessage } from 'umi/locale';
import SiderMenu from '@/components/SiderMenu';
import Authorized from '@/utils/Authorized';
import SettingDrawer from '@/components/SettingDrawer';
import logo from '../assets/logo.svg';
import Footer from './Footer';
import Header from './Header';
import Context from './MenuContext';
import Exception403 from '../pages/Exception/403';

const { Content } = Layout;

// Conversion router to menu.
function formatter(data, parentAuthority, parentName) {
  return data
    .map(item => {
      let locale = 'menu';
      if (parentName && item.name) {
        locale = `${parentName}.${item.name}`;
      } else if (item.name) {
        locale = `menu.${item.name}`;
      } else if (parentName) {
        locale = parentName;
      }
      if (item.path) {
        const result = {
          ...item,
          locale,
          authority: item.authority || parentAuthority,
        };
        if (item.routes) {
          const children = formatter(item.routes, item.authority, locale);
          // Reduce memory usage
          result.children = children;
        }
        delete result.routes;
        return result;
      }

      return null;
    })
    .filter(item => item);
}

const memoizeOneFormatter = memoizeOne(formatter, isEqual);

const query = {
  'screen-xs': {
    maxWidth: 575,
  },
  'screen-sm': {
    minWidth: 576,
    maxWidth: 767,
  },
  'screen-md': {
    minWidth: 768,
    maxWidth: 991,
  },
  'screen-lg': {
    minWidth: 992,
    maxWidth: 1199,
  },
  'screen-xl': {
    minWidth: 1200,
    maxWidth: 1599,
  },
  'screen-xxl': {
    minWidth: 1600,
  },
};

class BasicLayout extends React.PureComponent {
  constructor(props) {
    super(props);
    this.getPageTitle = memoizeOne(this.getPageTitle);
    this.getBreadcrumbNameMap = memoizeOne(this.getBreadcrumbNameMap, isEqual);
    this.breadcrumbNameMap = this.getBreadcrumbNameMap();
    this.matchParamsPath = memoizeOne(this.matchParamsPath, isEqual);
  }

  state = {
    rendering: true,
    isMobile: false,
    menuData: this.getMenuData(),
  };

  componentDidMount() {
    const { dispatch } = this.props;
    dispatch({
      type: 'user/fetchCurrent',
    });
    dispatch({
      type: 'setting/getSetting',
    });
    this.renderRef = requestAnimationFrame(() => {
      this.setState({
        rendering: false,
      });
    });
    this.enquireHandler = enquireScreen(mobile => {
      const { isMobile } = this.state;
      if (isMobile !== mobile) {
        this.setState({
          isMobile: mobile,
        });
      }
    });
  }

  componentDidUpdate(preProps) {
    // After changing to phone mode,
    // if collapsed is true, you need to click twice to display
    this.breadcrumbNameMap = this.getBreadcrumbNameMap();
    const { isMobile } = this.state;
    const { collapsed } = this.props;
    if (isMobile && !preProps.isMobile && !collapsed) {
      this.handleMenuCollapse(false);
    }
  }

  componentWillUnmount() {
    cancelAnimationFrame(this.renderRef);
    unenquireScreen(this.enquireHandler);
  }

  getContext() {
    const { location } = this.props;
    return {
      location,
      breadcrumbNameMap: this.breadcrumbNameMap,
    };
  }

  getMenuData() {
    // remoteRouters 为模拟数据
    const remoteRouters = [
      {"menuId":1,"parentId":0,"parentName":null,"name":"系统管理","url":null,"perms":null,"type":0,"icon":"system","orderNum":0,"open":null,"list":null},
      {"menuId":2,"parentId":1,"parentName":"系统管理","name":"管理员列表","url":"/dashboard/workplace","perms":null,"type":1,"icon":"admin","orderNum":1,"open":null,"list":null},
      {"menuId":3,"parentId":1,"parentName":"系统管理","name":"角色管理","url":"/dashboard/monitor","perms":null,"type":1,"icon":"role","orderNum":2,"open":null,"list":null},
      {"menuId":4,"parentId":1,"parentName":"系统管理","name":"菜单管理","url":"/dashboard/analysis","perms":null,"type":1,"icon":"menu","orderNum":3,"open":null,"list":null},
      {"menuId":5,"parentId":1,"parentName":"系统管理","name":"SQL监控","url":"/form/basic-form","perms":null,"type":1,"icon":"sql","orderNum":4,"open":null,"list":null},
      {"menuId":6,"parentId":1,"parentName":"系统管理","name":"定时任务","url":"/form/step-form","perms":null,"type":1,"icon":"job","orderNum":5,"open":null,"list":null},
      {"menuId":7,"parentId":6,"parentName":"定时任务","name":"查看","url":"/form/advanced-form","perms":"sys:schedule:list,sys:schedule:info","type":2,"icon":null,"orderNum":0,"open":null,"list":null},
      {"menuId":8,"parentId":6,"parentName":"定时任务","name":"新增","url":"/list/table-list","perms":"sys:schedule:save","type":2,"icon":null,"orderNum":0,"open":null,"list":null},
      {"menuId":9,"parentId":6,"parentName":"定时任务","name":"修改","url":"/list/basic-list","perms":"sys:schedule:update","type":2,"icon":null,"orderNum":0,"open":null,"list":null},
      {"menuId":10,"parentId":6,"parentName":"定时任务","name":"删除","url":"/list/card-list","perms":"sys:schedule:delete","type":2,"icon":null,"orderNum":0,"open":null,"list":null},
      {"menuId":10,"parentId":6,"parentName":"定时任务","name":"删除","url":"/list/card-list2","perms":"sys:schedule:delete","type":2,"icon":null,"orderNum":0,"open":null,"list":null}
      ];
    const {
      route: { routes },
    } = this.props;

    // todo
    const routeHash = {};
    const nativeRouter = memoizeOneFormatter(routes); // 本地所有的路由数据
    remoteRouters.forEach((route) => {
      if (route.url) {
        for (let i = 0; i < nativeRouter.length; i+=1) {
          const target = nativeRouter[i];
          if (target.children) {
            const childRoutes = target.children;
            for(let j = 0; j < childRoutes.length; j+=1) {
              const keys = Object.keys(routeHash);
              const key = `${i},${j}`;
              const childRoute = childRoutes[j];

              if (!arrayIncludes(keys,key)) {
                if (route.url !== childRoute.path) {
                  childRoute.hideInMenu = true;
                } else {
                  childRoute.hideInMenu = false;
                  routeHash[key] = true;
                }
              }
            }
          }
        }
      }

    });
    // todo
    /*console.log(nativeRouter)
    console.log(routeHash)*/
    return nativeRouter;
  }

  /**
   * 获取面包屑映射
   * @param {Object} menuData 菜单配置
   */
  getBreadcrumbNameMap() {
    const routerMap = {};
    const mergeMenuAndRouter = data => {
      data.forEach(menuItem => {
        if (menuItem.children) {
          mergeMenuAndRouter(menuItem.children);
        }
        // Reduce memory usage
        routerMap[menuItem.path] = menuItem;
      });
    };
    mergeMenuAndRouter(this.getMenuData());
    return routerMap;
  }

  matchParamsPath = pathname => {
    const pathKey = Object.keys(this.breadcrumbNameMap).find(key =>
      pathToRegexp(key).test(pathname)
    );
    return this.breadcrumbNameMap[pathKey];
  };

  getPageTitle = pathname => {
    const currRouterData = this.matchParamsPath(pathname);

    if (!currRouterData) {
      return 'Ant Design Pro';
    }
    const message = formatMessage({
      id: currRouterData.locale || currRouterData.name,
      defaultMessage: currRouterData.name,
    });
    return `${message} - Ant Design Pro`;
  };

  getLayoutStyle = () => {
    const { isMobile } = this.state;
    const { fixSiderbar, collapsed, layout } = this.props;
    if (fixSiderbar && layout !== 'topmenu' && !isMobile) {
      return {
        paddingLeft: collapsed ? '80px' : '256px',
      };
    }
    return null;
  };

  getContentStyle = () => {
    const { fixedHeader } = this.props;
    return {
      margin: '24px 24px 0',
      paddingTop: fixedHeader ? 64 : 0,
    };
  };

  handleMenuCollapse = collapsed => {
    const { dispatch } = this.props;
    dispatch({
      type: 'global/changeLayoutCollapsed',
      payload: collapsed,
    });
  };

  renderSettingDrawer() {
    // Do not render SettingDrawer in production
    // unless it is deployed in preview.pro.ant.design as demo
    const { rendering } = this.state;
    if ((rendering || process.env.NODE_ENV === 'production') && APP_TYPE !== 'site') {
      return null;
    }
    return <SettingDrawer />;
  }


  render() {
    const {
      navTheme,
      layout: PropsLayout,
      children,
      location: { pathname },
    } = this.props;
    const { isMobile, menuData } = this.state;
    const isTop = PropsLayout === 'topmenu';
    const routerConfig = this.matchParamsPath(pathname);
    const layout = (
      <Layout>
        {isTop && !isMobile ? null : (
          <SiderMenu
            logo={logo}
            Authorized={Authorized}
            theme={navTheme}
            onCollapse={this.handleMenuCollapse}
            menuData={menuData}
            isMobile={isMobile}
            {...this.props}
          />
        )}
        <Layout
          style={{
            ...this.getLayoutStyle(),
            minHeight: '100vh',
          }}
        >
          <Header
            menuData={menuData}
            handleMenuCollapse={this.handleMenuCollapse}
            logo={logo}
            isMobile={isMobile}
            {...this.props}
          />
          <Content style={this.getContentStyle()}>
            <Authorized
              authority={routerConfig && routerConfig.authority}
              noMatch={<Exception403 />}
            >
              {children}
            </Authorized>
          </Content>
          <Footer />
        </Layout>
      </Layout>
    );
    return (
      <React.Fragment>
        <DocumentTitle title={this.getPageTitle(pathname)}>
          <ContainerQuery query={query}>
            {params => (
              <Context.Provider value={this.getContext()}>
                <div className={classNames(params)}>{layout}</div>
              </Context.Provider>
            )}
          </ContainerQuery>
        </DocumentTitle>
        {this.renderSettingDrawer()}
      </React.Fragment>
    );
  }
}

export default connect(({ global, setting }) => ({
  collapsed: global.collapsed,
  layout: setting.layout,
  ...setting,
}))(BasicLayout);