im/util/index.js

//import i18n from '@/locales'
import base from '@/common/config';
//import store from "@/store";
import IMSDK from "openim-uniapp-polyfill";

import CryptoJS from 'crypto-js';
import md5 from "md5";

import {downloadFile} from "@/uni_modules/network-manage";
const isString = (v)=> {
	return typeof v === 'string' || v instanceof String;
},
isNumber=(v) =>{
	return typeof v === 'number' && !isNaN(v);
},
isInteger=(v) =>{
	return typeof v === 'number' && isFinite(v) && Math.floor(v) === v;
},
isBoolean=(v) =>{
	return typeof v === 'boolean';
},
isArray=(v) =>{
	return Array.isArray(v);
},
isObject=(v) =>{
	return v !== null && typeof v === 'object' && !Array.isArray(v);
},
isFunction=(v) =>{
	return typeof v === 'function';
},
isNull=(v) =>{
	return v === null;
},
isUndefined=(v) =>{
	return typeof v === 'undefined';
},
isSymbol=(v) =>{
	return typeof v === 'symbol';
},
isDate=(v) =>{
	return Object.prototype.toString.call(v) === '[object Date]';
},
isRegExp=(v) =>{
	return Object.prototype.toString.call(v) === '[object RegExp]';
},
isError=(v) =>{
	return v instanceof Error;
},
isMap=(v) =>{
	return v instanceof Map;
},
isSet=(v) =>{
	return v instanceof Set;
},
isWeakMap=(v) =>{
	return v instanceof WeakMap;
},
isWeakSet=(v) => {
	return v instanceof WeakSet;
},
_goto = (url,type) => {
	//console.log(url);
	type = type || '0'; //0 navigateTo 1 redirectTo
	if(url){
		if(isInteger(url)){
			uni.navigateBack({
				delta:url,
			})
		}else{
			url+="";
			if(url.substr(0,6) != '/pages'){
				url='/pages'+url
			}
			if(type == '1'){
				return uni.redirectTo({
					url:url
				});
			}
			if(type == '2'){
				return uni.switchTab({
					url:url
				});
			}
			uni.navigateTo({
				url:url
			})
		}
	}
};
const showToast = (msg,url,icon) => {
	//msg = i18n.t(msg);
	// #ifdef APP
	plus.nativeUI.closeToast();
	plus.nativeUI.toast(msg,{
		align:'center',
		verticalAlign:"center",
		style:"inline",
		icon:icon=='error' ? '/static/img/common/error.png' : '/static/img/common/success.png',
		iconWidth:24,
		iconHeight:24
	});
	
	if(url){
		setTimeout(()=>{
			_goto(url);
		},3000)
	}
	// #endif
	// #ifndef APP
	uni.showToast({
		//image:icon=='error' ? '/static/img/common/error.png' : '/static/img/common/success.png',
		icon:icon=='error' ? icon : 'success',
		title:msg,
		showToast:3000,
		complete:()=>{
			if(url){
				setTimeout(()=>{
					_goto(url);
				},3000)
			}
		}
	});
	// #endif
}

const error = (msg,url) => {
	showToast(msg,url,'error');
}
const success = (msg,url) => {
	showToast(msg,url,'success');
}
const scan = ()=>{
	uni.scanCode({
		success(res){
			/**
			 * result	所扫码的内容	
				scanType	所扫码的类型	App、微信小程序、百度小程序、QQ小程序、京东小程序、支付宝小程序
				charSet	所扫码的字符集	App、微信小程序、百度小程序(所扫码的字符集，仅支持 Android 系统)、QQ小程序、京东小程序
				path	当所扫的码为当前应用的合法二维码时，会返回此字段，内容为二维码携带的 path。	微信小程序、QQ小程序、京东小程序
				rawData	原始数据，base64 编码	微信小程序、QQ小程序、京东小程序、支付宝小程序
				code	扫码所得数据	支付宝小程序
				qrCode	扫描二维码时返回二维码数据	支付宝小程序
				barCode	扫描条形码时返回条形码数据	支付宝小程序
				imageChannel	来源	支付宝小程序
			*/
			if(res.result){
				if(res.result.indexOf('blackcatp:/')){
					uni.navigateTo({
						url:res.result.substring(11)
					})
				}else{
					success(res.result)
				}
			}
		},
		fail(res){
			
		},
		complete(res){
			console.log(res)
		}
	});
}

const fileExsit = async(fn)=>{
	return await new Promise((resolve) => {
		plus.io.resolveLocalFileSystemURL(fn, function(entry) {
			resolve(true); 
		}, function() { 
			resolve(false); 
		});
	})
}
const downloadFile1 = (url, savepath, successCb, errorCb, progressCb) => {
	const root_dir = "_doc/";
	if (!url) {
		errorCb && errorCb.call(this,new Error('empty url'));
		return;
	}
	const startDownload = () => {
		console.log(33333333333333,root_dir+savepath);
		const task = plus.downloader.createDownload(url, { filename: root_dir+savepath, timeout: 2 }, function(d, status) {
			console.log('completedCB');
			console.log(d);
			console.log(status);
			if (status === 200) {
				const local = d && d.filename ? d.filename : root_dir+savepath;
				successCb && successCb.call(this,local);
			} else {
				errorCb && errorCb.call(this,new Error('download status ' + status));
			}
		});
		task.addEventListener('statechanged', function(t, status) {
			console.log('statechanged',d,status);
			if (t.state === 3) {
				var downloaded = t.downloadedSize || t.downloaded || 0;
				var total = t.totalSize || t.total || 0;
				var prog = 0;
				if (total > 0) prog = Math.min(100, Math.floor(downloaded / total * 100));
				progressCb && progressCb.call(this,prog);
			}
		});
		try{
			task.start();
			plus.downloader.startAll();
		}catch(e){
			console.log('e',e);
		}
		plus.downloader.enumerate((downloads )=>{
			for(var i =0;i<downloads.length;i++){
				//downloads[i].abort();
				console.log(downloads[i]);
			}
		})
	};

	// 目录不存在，尝试创建（针对 _doc/<conversationID> 结构）
	const fns = savepath.split('/');
	plus.io.requestFileSystem(plus.io.PRIVATE_DOC, function(fs) {
		fs.root.getDirectory(fns[0], { create: true }, function(entry) {
			startDownload();
		}, function(e) {
			// 创建失败也尝试下载，可能运行时会自动创建
			startDownload();
		});
	}, function(e) {
		startDownload();
	});
}

const get_absolute_path = (fn)=>{
	return plus.io.convertLocalFileSystemURL(fn);
}
const pendingDownloads = new Map();
const cacheFile = (url, saveDir,progressCallback) => {
    return new Promise(async (resolve, reject) => {
        try {
			if(!url || !url.startsWith('http')){
                resolve(url);
                return;
			}
            const key = md5(url);
			var ext = "png"
			if(url.toLowerCase().indexOf('.mp4')!==-1){
				ext = "mp4";
			}
			let cacheDir = plus.io.convertLocalFileSystemURL(`_doc/{{dir}}/{{key}}.{{ext}}`);
			cacheDir = cacheDir.replace('apps/'+plus.runtime.appid+'/doc','cache');
            const cacheFilePath = cacheDir.replace('{{dir}}',saveDir)
				.replace('{{key}}',key)
				.replace('{{ext}}',ext);

			//console.error('cacheDir:',cacheDir);
            // 如果缓存存在且文件存在，直接返回缓存路径
            if (cacheFilePath) {
				//console.error('cacheFilePath:', cacheFilePath);
                const coverExists = await fileExsit(cacheFilePath);
				//console.log("coverExists：" ,coverExists);
                if (coverExists) {
					//console.log("已缓存为：" , cacheFilePath,url);
                    resolve(cacheFilePath);
                    return;
                }
            }

			// 2. 检查是否已经有相同的 URL 正在下载
			if (pendingDownloads.has(url)) {
				// 如果已经有相同的下载在进行，则添加到等待列表
				pendingDownloads.get(url).promises.push({ resolve, reject });
				return;
			}


			// 3. 如果没有正在下载，则创建新的下载任务
			pendingDownloads.set(url, {
				promises: [{ resolve, reject }],
				completed: false,
				savedPath: saveDir
			});

			// 4. 开始下载文件
			const task = downloadFile({
				url:url,
				timeout: 30000,
				filePath:cacheFilePath,
				success(res) {
					// 下载成功，解决所有等待的 Promise
					const info = pendingDownloads.get(url);
					if (info) {
						info.completed = true;
						info.promises.forEach(p => p.resolve(res.tempFilePath));
						pendingDownloads.delete(url);
					}
				},
				fail(e){
					// 下载失败，拒绝所有等待的 Promise
					const info = pendingDownloads.get(url);
					if (info) {
						info.promises.forEach(p => p.reject(error));
						pendingDownloads.delete(url);
					}
				},
				complate(){
					task = null;
				}
			});
			//console.error('task:', task);
			task.onProgressUpdate(({progress,totalBytesWritten,totalBytesExpectedToWrite})=>{
				//console.error('pres:', progress,totalBytesWritten,totalBytesExpectedToWrite);
				progressCallback && progressCallback.call(this,progress,totalBytesWritten,totalBytesExpectedToWrite)
			});
        } catch (error) {
            console.error('cacheFile 发生错误:', error);
            resolve(url); // 返回原始URL作为fallback
        }
    });
};
const toMapAPP = (latitude,longitude,name) =>{
	let url = "";
	if (plus.os.name == "Android") {//判断是安卓端
		plus.nativeUI.actionSheet({//选择菜单
			title: "选择地图应用",
			cancel: "取消",
			buttons: [{title: "腾讯地图"},{title: "百度地图"}, {title: "高德地图"}]
		}, function(e) {
			switch (e.index) {
				//下面是拼接url,不同系统以及不同地图都有不同的拼接字段
				case 1:
					//注意referer=xxx的xxx替换成你在腾讯地图开发平台申请的key
					url = `qqmap://map/geocoder?coord=${latitude},${longitude}&referer=xxx`;
					break;
				case 2:
					url = `baidumap://map/marker?location=${latitude},${longitude}&title=${name}&coord_type=gcj02&src=andr.baidu.openAPIdemo`;
					break;
				case 3:
					url = `androidamap://viewMap?sourceApplication=appname&poiname=${name}&lat=${latitude}&lon=${longitude}&dev=0`;
					break;
				default:
					break;
			}
			if (url != "") {
				url = encodeURI(url);
				//plus.runtime.openURL(url,function(e){})调起手机APP应用
				plus.runtime.openURL(url, function(e) {
					plus.nativeUI.alert("本机未安装指定的地图应用");
				});
			}
		})
	} else {
		// iOS上获取本机是否安装了百度高德地图，需要在manifest里配置
		// 在manifest.json文件app-plus->distribute->apple->urlschemewhitelist节点下添加
		//（如urlschemewhitelist:["iosamap","baidumap"]）  
		plus.nativeUI.actionSheet({
			title: "选择地图应用",
			cancel: "取消",
			buttons: [{title: "腾讯地图"},{title: "百度地图"}, {title: "高德地图"}]
		}, function(e) {
			switch (e.index) {
				case 1:
					url = `qqmap://map/geocoder?coord=${latitude},${longitude}&referer=xxx`;
					break;
				case 2:
					url = `baidumap://map/marker?location=${latitude},${longitude}&title=${name}&content=${name}&src=ios.baidu.openAPIdemo&coord_type=gcj02`;
					break;
				case 3:
					url = `iosamap://viewMap?sourceApplication=applicationName&poiname=${name}&lat=${latitude}&lon=${longitude}&dev=0`;
					break;
				default:
					break;
			}
			if (url != "") {
				url = encodeURI(url);
				plus.runtime.openURL(url, function(e) {
					plus.nativeUI.alert("本机未安装指定的地图应用");
				});
			}
		})
	}
}

/**
* AES 加密函数
* @param {String|Object|Array} str 要加密的内容
* @param {String} key 加密密钥
* @returns {String} 加密后的Base64字符串
*/
const aesencode = (str, key = 'muNcJyt0XXV6faCGe41VSIaf0ecZeW2jXmgpL0Ak93Kbwjyr')=> {
	// 如果是对象或数组，转为JSON字符串
	if (typeof str === 'object') {
		str = JSON.stringify(str);
	}

	// 使用SHA-256哈希处理密钥
	const hashedKey = CryptoJS.SHA256(key);

	// 生成IV（前16字节）
	const iv = CryptoJS.lib.WordArray.create(hashedKey.words.slice(0, 4));

	// 加密
	const encrypted = CryptoJS.AES.encrypt(str,hashedKey,{
		iv: iv,
		mode: CryptoJS.mode.CBC,
		padding: CryptoJS.pad.Pkcs7
	});

	// 返回Base64编码结果
	const _str = encrypted.toString();
	return _str.replace(/\+/ig,'%2b');
}

/**
* AES 解密函数
* @param {String} str 要解密的Base64字符串
* @param {String} key 解密密钥
* @returns {String} 解密后的原始字符串
*/
const aesdecode = (str, key = 'muNcJyt0XXV6faCGe41VSIaf0ecZeW2jXmgpL0Ak93Kbwjyr') => {
	// 使用SHA-256哈希处理密钥
	const hashedKey = CryptoJS.SHA256(key);

	// 生成IV（前16字节）
	const iv = CryptoJS.lib.WordArray.create(hashedKey.words.slice(0, 4));
	str = str.replace(/\%2b/ig,'+');
	// 解密
	const decrypted = CryptoJS.AES.decrypt(str,hashedKey,{
		iv: iv,
		mode: CryptoJS.mode.CBC,
		padding: CryptoJS.pad.Pkcs7
	});

	// 转为UTF-8字符串
	let _str = decrypted.toString(CryptoJS.enc.Utf8);
	console.log(_str);
	const obj = _str.startsWith('{') || _str.startsWith('[') ? JSON.parse(_str) : _str;
	return obj;
}

export default{
	aesdecode,
	aesencode,
	toMapAPP,
	cacheFile,
	fileExsit,
    get_absolute_path,
	downloadFile,
	isString :isString,
	isNumber :isNumber,
	isInteger :isInteger,
	isBoolean :isBoolean,
	isArray :isArray,
	isObject :isObject,
	isFunction :isFunction,
	isNull :isNull,
	isUndefined :isUndefined,
	isSymbol :isSymbol,
	isDate :isDate,
	isRegExp :isRegExp,
	isError :isError,
	isMap :isMap,
	isSet :isSet,
	isWeakMap :isWeakMap,
	isWeakSet :isWeakSet,
	cdn(v){
		v= v || ""; 
		v = v.replace(/\\/ig,"/").replace('/\/\/ig',"/");
		//console.log(v);
		if(v && isString(v)){
			if(v.startsWith('//')){
				return 'http:'+v;
			}
			if(v.startsWith('blob:') || v.startsWith('file://') || v.startsWith('http')){
				return v;
			}
			v= v.startsWith('/') ? v : '/'+v;
			return base.cdnUrl+''+v;
		}
		return "";
	},
	"goto":_goto,
	showToast,
	error,
	success,
	scan,
	copy(v){
		let that = this;
		uni.setClipboardData({
			data:v+'',
			success() {
				that.success('复制成功');
			}
		})
	},
	toDate(time) {
		var date = new Date(time * 1000);
		var fmt = 'yyyy-MM-dd hh:mm:ss';
		var o = {
			'M+': date.getMonth() + 1, //月份
			'd+': date.getDate(), //日
			'h+': date.getHours(), //小时
			'm+': date.getMinutes(), //分
			's+': date.getSeconds(), //秒
			'q+': Math.floor((date.getMonth() + 3) / 3), //季度
			S: date.getMilliseconds() //毫秒
		};
		if (/(y+)/.test(fmt)) fmt = fmt.replace(RegExp.$1, (date.getFullYear() + '').substr(4 - RegExp.$1.length));
		for (var k in o) if (new RegExp('(' + k + ')').test(fmt)) fmt = fmt.replace(RegExp.$1, RegExp.$1.length == 1 ? o[k] : ('00' + o[k]).substr(('' + o[k]).length));
		return fmt;
	},
	formatAmount(v,wei){
		if(!v){return 0.00;}
		v=v+"";
		v = parseFloat(v).toFixed(wei || 2);
		return parseFloat(v);
	},
    imapi(method,data){
        return IMSDK.asyncApi(method,IMSDK.uuid(),data);
    }
}