基础模块 网络连接检查 js

//无对象则加载
if (typeof Base == "undefined") Base = function() {}

// 获取时间对象的基本方法
Base.prototype.getTime = function() {
	var date = new Date();
	var yyyy = date.getFullYear(); //四位年份
	var month = date.getMonth() + 1; //月份 0-11
	var day = date.getDate(); //日
	var HH = date.getHours(); //时
	var minute = date.getMinutes(); //分钟
	var second = date.getSeconds(); //秒
	var milliseconds = date.getMilliseconds(); //毫秒
	if (month < 10) {
		month = "0" + month;
	}
	if (day < 10) {
		day = "0" + day;
	}
	if (HH < 10) {
		HH = "0" + HH;
	}
	if (minute < 10) {
		minute = "0" + minute;
	}
	if (second < 10) {
		second = "0" + second;
	}
	var time = yyyy + "-" + month + "-" + day + " " + HH + ":" + minute + ":" + second + " " + milliseconds;
	var timeTxt = yyyy + month + day + HH + minute + second;
	var times = {
		DateTime: time,
		TimeTxt: timeTxt
	}
	return times;
}

// 浏览器检测，获取，弹出框提醒IE  返回浏览器详情
Base.prototype.getBrowserAndSystem = function() {


	var BrowserMatch = {
		init: function() {
			this.browser = this.getBrowser().browser || "An Unknown Browser";
			this.version = this.getBrowser().version || "An Unknown Version";
			this.OS = this.getOS() || "An Unknown OS";
		},
		getOS: function() {
			if (navigator.platform.indexOf("Win") != -1) return "Windows";
			if (navigator.platform.indexOf("Mac") != -1) return "Mac";
			if (navigator.platform.indexOf("Linux") != -1) return "Linux";
			if (navigator.userAgent.indexOf("iPhone") != -1) return "iPhone/iPod";
		},
		getBrowser: function() {
			var browser = "Unknown Browse";
			var version = 0;
			var rMsie = /(msies|trident/7)([w.]+)/;
			var rTrident = /(trident)/([w.]+)/;
			var rFirefox = /(firefox)/([w.]+)/;
			var rOpera = /(opera).+version/([w.]+)/;
			var rNewOpera = /(opr)/(.+)/;
			var rChrome = /(chrome)/([w.]+)/;
			var rSafari = /version/([w.]+).*(safari)/;
			var ua = navigator.userAgent.toLowerCase();
			var matchBS, matchBS2;
			matchBS = rMsie.exec(ua);
			if (matchBS != null) {
				matchBS2 = rTrident.exec(ua);
				if (matchBS2 != null) {
					switch (matchBS2[2]) {
						case "4.0":
							return {
								browser: "IE",
								version: "8"
							};
							break;
						case "5.0":
							return {
								browser: "IE",
								version: "9"
							};
							break;
						case "6.0":
							return {
								browser: "IE",
								version: "10"
							};
							break;
						case "7.0":
							return {
								browser: "IE",
								version: "11"
							};
							break;
						default:
							return {
								browser: "IE",
								version: "Undefined"
							};
					}
				} else {
					return {
						browser: "IE",
						version: matchBS[2] || "0"
					};
				}
			}
			matchBS = rFirefox.exec(ua);
			if ((matchBS != null) && (!(window.attachEvent)) && (!(window.chrome)) && (!(window.opera))) {
				return {
					browser: matchBS[1] || "",
					version: matchBS[2] || "0"
				};
			}
			matchBS = rOpera.exec(ua);
			if ((matchBS != null) && (!(window.attachEvent))) {
				return {
					browser: matchBS[1] || "",
					version: matchBS[2] || "0"
				};
			}
			matchBS = rChrome.exec(ua);
			if ((matchBS != null) && (!!(window.chrome)) && (!(window.attachEvent))) {
				matchBS2 = rNewOpera.exec(ua);
				if (matchBS2 == null) {
					return {
						browser: matchBS[1] || "",
						version: matchBS[2] || "0"
					};
				} else {
					return {
						browser: "Opera",
						version: matchBS2[2] || "0"
					};
				}
			}
			matchBS = rSafari.exec(ua);
			if ((matchBS != null) && (!(window.attachEvent)) && (!(window.chrome)) && (!(window.opera))) {
				return {
					browser: matchBS[2] || "",
					version: matchBS[1] || "0"
				};
			}
		}
	};
	BrowserMatch.init();
	// 获取浏览器名:BrowserMatch.browser;  
	// 获取浏览器版本:BrowserMatch.version;  
	// 获取所处操作系统:BrowserMatch.OS;  

	if (BrowserMatch.browser == "IE" && BrowserMatch.version < 9) {

		alert("您当前浏览器为：" +
			BrowserMatch.browser +
			"
Version：" +
			BrowserMatch.version + ".0" +
			"
所处操作系统为：" +
			BrowserMatch.OS

			+
			"
你当前的浏览器不支持本网页大多功能， " +
			"
为了更好体验宝宝提供的服务，
请点点你的小手手升级或换个更厉害的浏览器吧！"
		);


	}
	return "您当前浏览器为：" + BrowserMatch.browser + "
Version：" + BrowserMatch.version + ".0" + "
所处操作系统为：" + BrowserMatch.OS;

}

//外部网络连接状态检测
Base.prototype.connectionLisner = function() {//onload="conectSuccess()"onerror="conectError()" 
	$("body").prepend('<img id="connect-test" style="display:none;"  /> ');
	
	var imgPath = "https://www.baidu.com/img/bd_logo1.png";
	var timeStamp = Date.parse(new Date());
	$("#connect-test").attr("src", imgPath + "?timestamp=" + timeStamp);
	$("#connect-test").load(function(){alert("Network connect!");});
	$("#connect-test").error(function(){alert("Network disconnect!");});
	}


// 浏览器动态数据检测未联机执行函数
function conectError() {

	//网络不可访问时加载
	//
}
// 浏览器动态数据检测 联机执行函数
function conectSuccess() {
	//
	//网络可访问时加载
	//document.write("<scr"+"ipt src="##.js"></sc"+"ript>");
	
}

$(document).ready(function() {

	var b = new Base();
	// alert(b.getTime().DateTime);
	b.connectionLisner();
});