// 在這里進(jìn)行判斷用戶權(quán)限使用不同的頁面
import React from "react";
import Merchant from "../pages/merchant";
import Admin from "../pages/admin";
import User from "../pages/user";
export default function Index() {
//這里使用power來判斷是否登錄，以及權(quán)限
  let power = localStorage.getItem("power");
  return (
    <div>
      {power ? (
        power === "1" ? (
          <Merchant></Merchant>
        ) : (
          <Admin></Admin>
        )
      ) : (
        <User></User>
      )}
    </div>
  );
}

// 引入路由
import Login from "../pages/user/login";
import Register from "../pages/user/register";
import NoPower from "../pages/error/noPower";
import NoPage from "../pages/error/noPage";
import { myRouteObj } from "../type";
//這里的myRouteObj是我自定義的一個(gè)類型用于拓展title實(shí)現(xiàn)頁面標(biāo)題的自動(dòng)切換
export const userRoutes: myRouteObj[] = [
  {
    path: "/404",
    element: <NoPage></NoPage>,
    title: '404'
  },
  {
    path: "/login",
    element: <Login></Login>,
    title: '登錄'
  },
  {
    path: "/register",
    element: <Register></Register>,
    title: '注冊(cè)'
  },
];
const routes = [
  ...userRoutes,
  {
    path: "*",
    element: <NoPower></NoPower>,
    title: '沒有權(quán)限'
  },
];
export default routes;

import { NonIndexRouteObject } from "react-router";
export interface myRouteObj extends NonIndexRouteObject {
  title?: string;
}

import React from "react";
import userRoutes from "../../router/user";
import { useMyRoutes } from "../../hooks/route";
export default function User() {
//這里的useMyRoutes是我自己封裝的一個(gè)鉤子函數(shù)
  const element = useMyRoutes(userRoutes);
  return <div>{element}</div>;
}

import { useEffect } from "react";
import { useLocation, useNavigate, useRoutes } from "react-router";
import { myRouteObj } from "../type";
function flatDeep(children: any, findArr: any): string {
  // 判斷children數(shù)組中是否有想要的元素
  let tempArr = children.map((item: any) => item.path);
  let index = tempArr.indexOf(findArr[0]);
  if (index !== -1) {
    return findArr.length > 1
      ? flatDeep(children[index], findArr.splice(1, findArr.length))
      : children[index].title;
     ? children[index].title
     : "商城";
  }
  return "商城";
}
export function useMyRoutes(routes: myRouteObj[]) {
  // 判斷路由表中是否有對(duì)應(yīng)路由，如果沒有就返回到404
  const location = useLocation();
  const navigate = useNavigate();
  useEffect(() => {
  /*
這里有一個(gè)小問題，困擾了我半天，就是原本我獲取路徑是寫在useEffect外邊的，頁面每次刷新就會(huì)顯示成錯(cuò)誤的標(biāo)題，最后輸出是因?yàn)閳?bào)存的值沒有更新，所以就改到useEffect函數(shù)里邊了
*/
    // 非空
    const firstPathName = location.pathname
      .split("/")
      .filter((item) => item !== "");
    const firstPath = routes.map((item) => item.path?.split("/")[1]);
    let index = firstPath.indexOf(firstPathName[0]);
    if (!index) {
      navigate("/404");
      return;
    }
    // 判斷是否是首頁
    if (location.pathname === "/") {
      document.title = "商城";
      return;
    }
    // 判斷是幾級(jí)路由
    if (firstPathName.length > 1) {
      // 多級(jí)
      document.title = flatDeep(
        routes[index].children,
        firstPathName.splice(1, firstPathName.length)
      );
      return;
    }
    // 一級(jí)
    document.title = routes[index].title
      ? (routes[index].title as string)
      : "商城";
  }, [location, navigate, routes]);
  return useRoutes(routes);
}

import { Navigate } from "react-router";
import Merchant from "../pages/merchant";
import Commodity from "../pages/merchant/commodity";
import { userRoutes } from "./user";
import { getRoutesObj } from "../utils";
import { myRouteObj } from "../type";
const children: myRouteObj[] = [
  {
    path: "commodity",
    element: <Commodity></Commodity>,
  },
];
const primitiveObj = {
  path: "/merchant/*",
  element: <Merchant></Merchant>,
  title: '商店后臺(tái)'
};
// 有攔截器版本
export const [routes, defaultRoutes] = getRoutesObj(
  userRoutes,
  primitiveObj,
  children,
  {
    path: "*",
    element: <Navigate to="/merchant/commodity"></Navigate>,
  }
);

import { myRouteObj } from "../type";
// 第一個(gè)參數(shù)是復(fù)用的數(shù)組對(duì)象,第二個(gè)參數(shù)是有攔截器的對(duì)象
/**
 *生成路由表配置（加攔截器）
 * @export
 * @param {myRouteObj[]} reuseObj 復(fù)用的數(shù)組對(duì)象
 * @param {myRouteObj} targetObj 目標(biāo)對(duì)象
 * @param {myRouteObj[]} childrenObj 子級(jí)路由
 * @param {myRouteObj} globalinterceptorObj 全局?jǐn)r截路由
 * @param {myRouteObj} interceptor 可選攔截器對(duì)象(添加子級(jí)路由中)
 */
export function getRoutesObj(
  reuseObj: myRouteObj[],
  targetObj: myRouteObj,
  childrenObj: myRouteObj[],
  interceptorObj?: myRouteObj
) {
  //  先復(fù)制一份children
  const children = [...childrenObj];
  //   判斷是否有值
  if (interceptorObj) {
    children.push(interceptorObj);
  }
  return [
    [
      ...reuseObj,
      {
        ...targetObj,
        children: children,
      },
    ],
    [
      ...reuseObj,
      {
        ...targetObj,
        children: [...childrenObj],
      },
    ],
  ];
}

import React, { Fragment } from "react";
import { Outlet } from "react-router";
import { routes } from "../../router/merchant";
import { useMyRoutes } from "../../hooks/route";
import { myRouteObj } from "../../type";
export default function Merchant() {
  const element = useMyRoutes(routes as myRouteObj[]);
  return (
    <Fragment>
      {element}
      <Outlet></Outlet>
    </Fragment>
  );
}