new-uniapp-h5/utils/utils.js

import api from "@/api/index.js";

const tabBarList = [
	"/pages/index/index",
	"/pages/cat/cat",
	"/pages/shoppingCart/index",
	"/pages/my/my",
];

function isInWeChatBrowser() {
	let isWeChat = false;
	/* #ifdef H5 */
	let ua = window.navigator.userAgent.toLowerCase();
	if (ua.includes("micromessenger")) {
		return true
	} else {
		// api.common.wechatH5().then((res) => {
		// 	const appid = res.data.appid
		// 	let redirect_uri = window.location.href;
		// 	redirect_uri = encodeURIComponent(redirect_uri);
		// 	// 构建微信授权链接，包含应用的appid、重定向地址等参数
		// 	const wxAuthUrl = `https://open.weixin.qq.com/connect/oauth2/authorize?appid=${appid}&redirect_uri=${redirect_uri}&response_type=code&scope=snsapi_userinfo&state=STATE#wechat_redirect`;
		// 	// 通过重定向将用户导向微信授权页面
		// 	window.location.href = wxAuthUrl;
		// })
	}
	/* #endif */
	return isWeChat;
}

function isInAliBrowser() {
	let isAli = false;
	/* #ifdef H5 */
	let ua = window.navigator.userAgent.toLowerCase();
	if (ua.indexOf('alipayclient') > -1 || ua.indexOf('aliapp') > -1) {
		return true
	} else {
		// api.common.wechatH5().then((res) => {
		// 	const appid = res.data.appid
		// 	let redirect_uri = window.location.href;
		// 	redirect_uri = encodeURIComponent(redirect_uri);
		// 	// 构建微信授权链接，包含应用的appid、重定向地址等参数
		// 	const wxAuthUrl = `https://open.weixin.qq.com/connect/oauth2/authorize?appid=${appid}&redirect_uri=${redirect_uri}&response_type=code&scope=snsapi_userinfo&state=STATE#wechat_redirect`;
		// 	// 通过重定向将用户导向微信授权页面
		// 	window.location.href = wxAuthUrl;
		// })
	}
	/* #endif */
	return isAli;
}

export default {
	isInWeChatBrowser,
	isInAliBrowser,
	// 跳转页面
	toUrl(url, type) {
		if (tabBarList.some(item => {
				return url.includes(item)
			})) {
			uni.switchTab({
				url: url,
			});
			return;
		}
		if (type == "redirectTo") {
			uni.redirectTo({
				url,
			});
		} else if (type == "reLaunch") {
			uni.reLaunch({
				url,
			});
		} else {
			uni.navigateTo({
				url,
			});
		}
	},

	// 后退页面
	backTo(num = 1) {
		const current = getCurrentPages();
		if (current.length <= 1) {
			this.toUrl("/pages/home/home");
		} else {
			uni.navigateBack({
				delta: num,
			});
		}
	},

	/**
	 * @des 复制
	 */
	copy(data, toast = "内容已复制") {
		uni.setClipboardData({
			data,
			success: () => {
				uni.$u.toast(toast);
			},
		});
	},

	getRouterInfo() {
		let routes = getCurrentPages(); // 获取当前打开过的页面路由数组
		let curRoute = routes[routes.length - 1].route // 获取当前页面路由，也就是最后一个打开的页面路由
		let curParam = routes[routes.length - 1].options; //获取路由参数
		const params = Object.entries(curParam).reduce((param, [key, val], index) => {
			if (index === 0) {
				return param + key + '=' + val
			}
			return param += '&' + key + '=' + val
		}, "?")
		return [curRoute, params]
	},

	loginOut() {
		// 获取当前路由信息
		const [curRoute, curRouteParam] = this.getRouterInfo();
		// 如果当前路由不包含 'login/login'
		if (!("/" + curRoute + curRouteParam).includes('login/login')) {
			// 如果当前路由参数不为 "?"
			if (curRouteParam != "?") {
				// 将当前页面信息存储到本地缓存中
				uni.setStorageSync("backPage", "/" + curRoute + curRouteParam);
			} else {
				// 将当前页面信息存储到本地缓存中
				uni.setStorageSync("backPage", "/" + curRoute);
			}
		}
		// 移除本地缓存中的 token 和 user_info
		uni.removeStorageSync("token");
		uni.removeStorageSync("user_info");
		// 如果当前路由不包含 'login/login'
		if (!curRoute.includes('login/login')) {
			// 跳转到登录页面
			this.toUrl("/subPackages/login/login/index", "redirectTo");
		}
	},

	kmUnit(m) {
		var v;
		if (typeof m === 'number' && !isNaN(m)) {
			if (m >= 1000) {
				v = (m / 1000).toFixed(2) + ' km'
			} else {
				v = m.toFixed(2) + ' m'
			}
		} else {
			v = '0 m'
		}
		return v;
	},

	objectToQueryString(obj) {
		var params = '';
		for (var key in obj) {
			if (obj.hasOwnProperty(key)) {
				if (params !== '') {
					params += '&';
				}
				params += encodeURIComponent(key) + '=' + encodeURIComponent(obj[key]);
			}
		}
		return '?' + params;
	},

	oneValues(url) {
		var name, value;
		var str = url; //取得整个地址栏
		var num = str.indexOf("?");
		str = str.substr(num + 1); //取得所有参数   stringvar.substr(start [, length ]
		let obj = {};
		var arr = str.split("&"); //各个参数放到数组里
		for (var i = 0; i < arr.length; i++) {
			num = arr[i].indexOf("=");
			if (num > 0) {
				name = arr[i].substring(0, num);
				value = arr[i].substr(num + 1);
				obj[name] = value;
			}
		}
		return obj;
	},

	httpToHttps(url) {
		return url.replace(/^http:\/\//i, 'https://');
	},
};