mailbox-uniapp/permission.js

import store from './store' 
import { getToken } from './common/auth'

const routeInterceptor = () => {
	console.log('routeInterceptor')
    const methodToPatch = ["navigateTo", "redirectTo", "switchTab", "navigateBack"];
    methodToPatch.map((type) => {
		// 通过遍历的方式分别取出，uni.navigateTo、uni.redirectTo、uni.switchTab、uni.navigateBack
		// 并且对相应的方法做重写
		const original = uni[type];
		uni[type] = function (options = {}) {
			if (options.url === '/pages/login/index') {
				return original.call(this, options);
			}
			if (!getToken()) {
			  // 判断是否存在token，不存在重定向到登录页
			  uni.navigateTo({
				url: "/pages/login/index",
			  });
			  return
			}
			if (!store.state.user.id) {
				store.commit('setUser')
			}
			return original.call(this, options);
		};
    });
}

routeInterceptor()