www网址判断手机跳m

<script src="/style/js/jumpmobile.js" type="text/javascript"></script>
<script>
    redirectMobile();
</script>

*强调内容*/自动跳m端
redirectMobile = function() {
    var nowUrl      = location.href,  
        nowHost     = location.host,
        nowPathname = location.pathname,
        jumpUrl     = '',
        mobileUrl   = 'http://m.danji6.com';
        mobileHurl  =  GetUrlRelativePath()
        var sUserAgent= navigator.userAgent.toLowerCase(); 

    <span class="hljs-keyword">var</span> bIsIpad= sUserAgent.<span class="hljs-keyword">match</span>(/ipad/i) == <span class="hljs-string">"ipad"</span>; 

    <span class="hljs-keyword">var</span> bIsIphoneOs= sUserAgent.<span class="hljs-keyword">match</span>(/iphone os/i) == <span class="hljs-string">"iphone os"</span>; 

    <span class="hljs-keyword">var</span> bIsMidp= sUserAgent.<span class="hljs-keyword">match</span>(/midp/i) == <span class="hljs-string">"midp"</span>; 

    <span class="hljs-keyword">var</span> bIsUc7= sUserAgent.<span class="hljs-keyword">match</span>(/rv:<span class="hljs-number">1.2</span><span class="hljs-number">.3</span><span class="hljs-number">.4</span>/i) == <span class="hljs-string">"rv:1.2.3.4"</span>; 

    <span class="hljs-keyword">var</span> bIsUc= sUserAgent.<span class="hljs-keyword">match</span>(/ucweb/i) == <span class="hljs-string">"ucweb"</span>; 

    <span class="hljs-keyword">var</span> bIsAndroid= sUserAgent.<span class="hljs-keyword">match</span>(/android/i) == <span class="hljs-string">"android"</span>; 

    <span class="hljs-keyword">var</span> bIsCE= sUserAgent.<span class="hljs-keyword">match</span>(/windows ce/i) == <span class="hljs-string">"windows ce"</span>; 

    <span class="hljs-keyword">var</span> bIsWM= sUserAgent.<span class="hljs-keyword">match</span>(/windows mobile/i) == <span class="hljs-string">"windows mobile"</span>; 
    <span class="hljs-keyword">if</span> (bIsIpad || bIsIphoneOs || bIsMidp || bIsUc7 || bIsUc || bIsAndroid || bIsCE || bIsWM) {  <span class="hljs-keyword">try</span> {

        <span class="hljs-keyword">if</span> (nowUrl == <span class="hljs-string">'http://www.danji6.com/'</span>) {
            jumpUrl = mobileUrl;
        }<span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span> (nowHost != <span class="hljs-string">'m.danji6.com'</span>) {
            <span class="hljs-keyword">var</span> <span class="hljs-keyword">match</span> = nowPathname.<span class="hljs-keyword">match</span>(/^\/[a-zA-Z0-<span class="hljs-number">9</span>]*\/(.*)?/i);
            <span class="hljs-keyword">if</span> (<span class="hljs-keyword">match</span> != <span class="hljs-keyword">null</span>) jumpUrl = mobileUrl + mobileHurl;
        }

        <span class="hljs-keyword">if</span> (jumpUrl) location.href = jumpUrl;

    } <span class="hljs-keyword">catch</span> (e) { }
}
}
function GetUrlRelativePath()
{
    var url = document.location.toString();
    var arrUrl = url.split("//");
    var start = arrUrl[1].indexOf("/");
    var relUrl = arrUrl[1].substring(start);//stop省略，截取从start开始到结尾的所有字符
    if(relUrl.indexOf("?") != -1){
        relUrl = relUrl.split("?")[0];
    }
    return relUrl;
}