init

common/js/lang.js

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+const langList = ['zh-cn', 'en-us'];
+
+var locale = uni.getStorageSync('lang') || "zh-cn"; //设置语言
+
+export default {
+	langList: ['zh-cn', 'en-us'],
+	/**
+	 * * 解析多语言
+	 * @param {Object} field
+	 */
+	lang(field) {
+		let _this = getCurrentPages()[getCurrentPages().length - 1];
+		if (!_this) return;
+
+		var value = '';
+		let newRoute;
+		try {
+			//公共语言包
+			var lang = require('../../lang/' + locale + '/common.js').lang;
+		
+			//当前页面语言包
+			let route = _this.route.split("/");
+			newRoute = route.slice(1, route.length);
+			let currentPageLang = require('../../lang/' + locale + '/' + newRoute.join("/") + '.js').lang;
+
+			for (let f in currentPageLang) {
+				lang[f] = currentPageLang[f];
+			}
+
+			var arr = field.split(".");
+			if (arr.length > 1) {
+				for (let i in arr) {
+					var next = parseInt(i) + 1;
+					if (next < arr.length) {
+						value = lang[arr[i]][arr[next]];
+					}
+				}
+				
+			} else {
+				value = lang[field];
+			}
+			
+		} catch (e) {
+			if (field.indexOf("common.") != -1 || field.indexOf("tabBar.") != -1) {
+				value = lang[field];
+			} else {
+				value = field;
+			}
+		
+		}
+
+		if (arguments.length > 1) {
+			//有参数,需要替换
+			for (var i = 1; i < arguments.length; i++) {
+				value = value.replace("{" + (i - 1) + "}", arguments[i]);
+			}
+		}
+		if (value == undefined || (value == 'title' && field == 'title')) value = ''; // field
+		return value;
+	},
+	//切换语言
+	change(value) {
+		let _this = getCurrentPages()[getCurrentPages().length - 1];
+		if (!_this) return;
+
+		uni.setStorageSync("lang", value);
+		locale = uni.getStorageSync('lang') || "zh-cn"; //设置语言
+		
+		this.refresh();
+
+		uni.reLaunch({
+			url: '/pages/member/index'
+		});
+	},
+	//刷新标题、tabbar
+	refresh() {
+		let _this = getCurrentPages()[getCurrentPages().length - 1];
+		if (!_this) return;
+		locale = uni.getStorageSync('lang') || "zh-cn"; //设置语言
+	
+		this.title(this.lang("title"));
+
+		//设置tabbar的文字语言
+		// uni.setTabBarItem({
+		// 	index: 0,
+		// 	text: this.lang("tabBar.home")
+		// });
+		// uni.setTabBarItem({
+		// 	index: 1,
+		// 	text: this.lang("tabBar.category")
+		// });
+		// uni.setTabBarItem({
+		// 	index: 2,
+		// 	text: this.lang("tabBar.cart")
+		// });
+		// uni.setTabBarItem({
+		// 	index: 3,
+		// 	text: this.lang("tabBar.member")
+		// });
+	},
+	title(str) {
+		if (str) {
+			uni.setNavigationBarTitle({
+				title: str,
+				success: function (res) {
+				},
+				fail: function (err) {
+				}
+			});
+		}
+	},
+	// 获取语言包列表
+	list() {
+		var list = [];
+		try {
+			//公共语言包
+			for (var i = 0; i < langList.length; i++) {
+				let item = require('../../lang/' + langList[i] + '/common.js').lang;
+				list.push({
+					name: item.common.name,
+					value: langList[i]
+				});
+			}
+		} catch (e) {
+			// "没有找到语言包:", '../../lang/' + locale + '/common.js'
+		}
+		return list;
+	}
+}