webapp呼起native.md

var invoke = {

        config: {
            android: 'bdstock://activity/main',
            ios: 'bdstock://',
            m: 'http://gupiao.baidu.com/jump.php?from=phone'
        },
        call: function () {
        
            var self = this;
            var ua = navigator.userAgent;
            var isChrome= null != ua.match( /Chrome/i ) && null == ua.match( /Version\/\d+\.\d+(\.\d+)?\sChrome\//i );
            
            var sys = this.detectOS();
            var url = this.config[sys];
 
            var body = document.body;
            var iframe = document.createElement('iframe');
            var start = +new Date();
            iframe.id = 'callNativeApp';
            iframe.style.display = 'none';
            
            iframe.src = url;
            window.addEventListener('pagehide', hide, true);
            window.addEventListener('pageshow', hide, true);
            function hide() {
                clearTimeout(timer);
                window.removeEventListener('pagehide', hide, true);
                window.removeEventListener('pageshow', hide, true);
            }
            body.appendChild(iframe);
            var timer = setTimeout(function (){
                    timer = setTimeout(function (){
                        iframe.onload = null;
                        iframe = null;
                        body.removeChild(iframe);
                        var newTime = +new Date();
                        if (newTime - now > 1200){
                            $('#downloadfile').attr('src', invoke.config.m);
                        } else{
                            location.href = invoke.config.m;
                        }
                    }, 1000);
                }, 60);
            // }
        },
        detectOS: function () {
            var ua = navigator.userAgent;
            var sys = 'NA';
            if (new RegExp('\\b(?:iPhone|CPU|iPh) OS\\/? *([0-9._]*)', 'i').test(ua)) {
                sys = 'ios';
            } else if (new RegExp('\\b(?:Android|Adr)\\/? *([0-9._+]*)', 'i').test(ua)) {
                sys = 'android';
            }
            return sys;
        }  
    };