微信推广页--引导用户下载app

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>战功App</title>
    <style>
        body,
        html {
            margin: 0;
            padding: 0;
            height: 100%;
            color: #a9b1b3;
            font-size: 14px;
            background-color: #fff;
            -webkit-font-smoothing: antialiased;
        }
        #weixin {
            width: 100%;
            height: 100%;
            background-image: url(./image/weixin.png);
            background-size: 100% 100%;/*按比例缩放*/
            background-repeat: no-repeat;/*还有repeat-x,y等*/
        }
        #pc {
            width: 100%;
            height: 100%;
            background-image: url(./image/pc.png);
            background-size: 100% 100%;/*按比例缩放*/
            background-repeat: no-repeat;/*还有repeat-x,y等*/
        }
    </style>
</head>
<body>
    <div style="height: 100%;width: 100%;">
        <div id="weixin">

        </div>
        <div id="pc"></div>
    </div>
    <script>
        var type_phone = 1101;
        var playload = '';
        var browser = {
            versions: function () {
            var u = navigator.userAgent, app = navigator.appVersion;
            return {   //移动终端浏览器版本信息
                trident: u.indexOf('Trident') > -1, //IE内核
                presto: u.indexOf('Presto') > -1, //opera内核
                webKit: u.indexOf('AppleWebKit') > -1, //苹果、谷歌内核
                gecko: u.indexOf('Gecko') > -1 && u.indexOf('KHTML') == -1, //火狐内核
                mobile: !!u.match(/AppleWebKit.*Mobile.*/), //是否为移动终端
                ios: !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/), //ios终端
                android: u.indexOf('Android') > -1 || u.indexOf('Linux') > -1, //android终端或uc浏览器
                iPhone: u.indexOf('iPhone') > -1, //是否为iPhone或者QQHD浏览器
                iPad: u.indexOf('iPad') > -1, //是否iPad
                webApp: u.indexOf('Safari') == -1 //是否web应该程序，没有头部与底部
            };
        }(),
            language: (navigator.browserLanguage || navigator.language).toLowerCase()
        }
        if (browser.versions.mobile) {//判断是否是移动设备打开。browser代码在下面
            var ua = navigator.userAgent.toLowerCase();//获取判断用的对象

            if (browser.versions.ios) {
                //是否在IOS浏览器打开
                console.log('是否在IOS浏览器打开:>> ');
                type_phone = 1102;
                // 1101安卓1102ios
                let url = 'http://****/trainning/appUpdate/newestApkUrl?type='+type_phone
                getData(url);
            } 
            if(browser.versions.android){
                //是否在安卓浏览器打开
                console.log('是否在安卓浏览器打开:>> ');
                document.getElementById('weixin').style.display="none";
                document.getElementById('pc').style.display="none";
                type_phone = 1101;
                // 1101安卓1102ios
                let url = 'http://****/trainning/appUpdate/newestApkUrl?type='+type_phone
                getData(url);
                if (ua.match(/MicroMessenger/i) == "micromessenger") {
                    //在微信中打开
                    console.log('在微信中打开:>> ');
                    document.getElementById('weixin').style.display="block";
                    document.getElementById('pc').style.display="none";
                }else {
                    document.getElementById('weixin').style.display="none";
                    document.getElementById('pc').style.display="block";
                    type_phone = 1101;
                    // 1101安卓1102ios
                    let url = 'http://****/trainning/appUpdate/newestApkUrl?type='+type_phone
                    getData(url);
                }
            }
        } else {
            //否则就是PC浏览器打开
            console.log('否则就是PC浏览器打开:>> ');
            document.getElementById('weixin').style.display="none";
            document.getElementById('pc').style.display="block";
            type_phone = 1101;
            // 1101安卓1102ios
            let url = 'http://****/trainning/appUpdate/newestApkUrl?type='+type_phone
            getData(url);
        }
        function getData(url){
			var httpRequest = new XMLHttpRequest();
			httpRequest.open('GET', url, true);
			httpRequest.send();
			httpRequest.onreadystatechange = function () {
				if (httpRequest.readyState == 4 && httpRequest.status == 200) {
					var json = httpRequest.responseText;
					let data = JSON.parse(json).data;
                    console.log('object :>> ', json);
                    console.log(data);
                   
                    playload = data.downloadUrl;
                    // alert('请求成功',playload)
				}
			};
		}
        document.getElementById('pc').addEventListener("click", function () {
            console.log('点击')
            downloadApk()
        })
        function downloadApk() {
            location.href = playload;
        }
    </script>
</body>
</html>
posted @ 2021-05-11 16:30 小白咚阅读(291) 评论(0) 收藏举报
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