二级域名开启之后U方法跳转问题，下一页支持路由问题

开启二级域名之后多分组跳转问题，域名绑定分组跳转url改写，重写U函数在原函数判断子域名开启之前加如下代码，比如现在是admin.baidu.com 使用U('/Home/aa/bb')之后，直接跳到home.baidu.com/aa/bb.html
最近做项目遇到tp独立分组二级域名问题，解决之后跨域session解决，但是U方法从跳转的时候不能调到对应的分组的域名，和小伙伴改造一次U方法。并且今天顺手改了U开启路由之后下一页不支持路由的问题，技术有限，发现有问题请指正

跨域 在U方法第166行解析子域名之前直接加代码判断    /*<br>     * 开启子域名的时候修复url<br>     * 例如 www.a.com有分组Home，让home.a.com访问的时候U生成的地址home替换www，去掉Home/<br>     * modify author :赵利刚 王荣<br>     * modify time：2014.2.26<br>     */<br>     if(C('APP_SUB_DOMAIN_DEPLOY') == 1){<br>         foreach (C('APP_SUB_DOMAIN_RULES') as $key => $zlg) {            <br>             if(false !== strstr($url,$zlg[0])){                <br>                 $domain = $_SERVER['HTTP_HOST']; //获取主机域名<br>                 $domain = $key.strstr($domain,'.'); //替换当前域名为分组域名<br>                 $url = str_replace($zlg[0],'',$url); //去掉多余pathinfo里面的分组<br>             }            <br>         }<br>     }tp开启路由之后下一页路由失效问题 分页类URL组装 大约262行URL拼接完成之后增加代码            //dump($url);<br>             /*<br>             *tp开启路由之后下一页路由失效问题 分页类URL组装<br>             * modify author :赵利刚<br>             * modify time：2014.3.5<br>             */<br>             //如果开启路由<br>             if(C('URL_ROUTER_ON')){                <br>                 foreach (C('URL_ROUTE_RULES') as $zhaolg => $zlig){//遍历路由                        <br>                     if(strstr('/'.GROUP_NAME.$url,$zlig)){//从网址中找路由规则<br>                         $lg = strstr($zhaolg,'/:');//分析规则 带参数?<br>                         if($lg){//如果规则带参数                            <br>                             $tempzlg = str_replace('/:','',$lg);//取参数<br>                             //dump($tempzlg);  <br>                             if($tempzlg){<br>                                 if(C('APP_SUB_DOMAIN_DEPLOY')){<br>                                     $zlgurl = str_replace($zlig,$zhaolg,'/'.GROUP_NAME.$url); //url替换为路由规则 <br>                                 }else{<br>                                     $zlgurl = str_replace($zlig,$zhaolg,$url); //url替换为路由规则 <br>                                 }                                <br>                                 //注 /s/:c/c/4/p/__PAGE__<br>                                 //dump($zlgurl);<br>                                 $url = str_replace($lg.'/'.$tempzlg,'',$zlgurl);//url替换路由规则参数<br>                                                             <br>                             }    <br>                         }else{//分析规则  不带参数<br>                             if(C('APP_SUB_DOMAIN_DEPLOY')){<br>                                 $url = str_replace($zlig,$zhaolg,'/'.GROUP_NAME.$url);//url替换为路由规则<br>                             }else{<br>                                 $url = str_replace($zlig,$zhaolg,$url);//url替换为路由规则 <br>                             }                    <br> <br>                         }<br>                     }<br>                 }<br>             }改造之后我的U方法 仅供参考/**
 * URL组装 支持不同URL模式
 * @param string $url URL表达式，格式：'[分组/模块/操作#锚点@域名]?参数1=值1&参数2=值2...'
 * @param string|array $vars 传入的参数，支持数组和字符串
 * @param string $suffix 伪静态后缀，默认为true表示获取配置值
 * @param boolean $redirect 是否跳转，如果设置为true则表示跳转到该URL地址
 * @param boolean $domain 是否显示域名
 * @return string
 */
function U($url='',$vars='',$suffix=true,$redirect=false,$domain=false) {
    // 解析URL
    $info   =  parse_url($url);
    $url    =  !empty($info['path'])?$info['path']:ACTION_NAME;
    
    
    if(isset($info['fragment'])) { // 解析锚点
        $anchor =   $info['fragment'];
        if(false !== strpos($anchor,'?')) { // 解析参数
            list($anchor,$info['query']) = explode('?',$anchor,2);
        }        
        if(false !== strpos($anchor,'@')) { // 解析域名
            list($anchor,$host)    =   explode('@',$anchor, 2);
        }
    }elseif(false !== strpos($url,'@')) { // 解析域名
        list($url,$host)    =   explode('@',$info['path'], 2);
    }
    
    /*<br>     * 开启子域名的时候修复url<br>     * 例如 www.a.com有分组Home，让home.a.com访问的时候U生成的地址home替换www，去掉Home/<br>     * modify author :赵利刚 王荣<br>     * modify time：2014.2.26<br>     */<br>     if(C('APP_SUB_DOMAIN_DEPLOY') == 1){<br>         foreach (C('APP_SUB_DOMAIN_RULES') as $key => $zlg) {            <br>             if(false !== strstr($url,$zlg[0])){                <br>                 $domain = $_SERVER['HTTP_HOST']; //获取主机域名<br>                 $domain = $key.strstr($domain,'.'); //替换当前域名为分组域名<br>                 $url = str_replace($zlg[0],'',$url); //去掉多余pathinfo里面的分组<br>             }            <br>         }<br>     }
    
    
    if(isset($host)) {
       // $domain = $host.(strpos($host,'.')?'':strstr($_SERVER['HTTP_HOST'],'.'));
        
    }elseif($domain===true){
        $domain = $_SERVER['HTTP_HOST'];
        if(C('APP_SUB_DOMAIN_DEPLOY') ) { // 开启子域名部署
            $domain = $domain=='localhost'?'localhost':'www'.strstr($_SERVER['HTTP_HOST'],'.');
            // '子域名'=>array('项目[/分组]');
            foreach (C('APP_SUB_DOMAIN_RULES') as $key => $rule) {
                if(false === strpos($key,'*') && 0=== strpos($url,$rule[0])) {
                    $domain = $key.strstr($domain,'.'); // 生成对应子域名
                    $url    =  substr_replace($url,'',0,strlen($rule[0]));
                    break;
                }
            }
        }
    }

    // 解析参数
    if(is_string($vars)) { // aaa=1&bbb=2 转换成数组
        parse_str($vars,$vars);
    }elseif(!is_array($vars)){
        $vars = array();
    }
    if(isset($info['query'])) { // 解析地址里面参数 合并到vars
        parse_str($info['query'],$params);
        $vars = array_merge($params,$vars);
    }
    
    // URL组装
    $depr = C('URL_PATHINFO_DEPR');
    if($url) {
        if(0=== strpos($url,'/')) {// 定义路由
            $route      =   true;
            $url        =   substr($url,1);
            if('/' != $depr) {
                $url    =   str_replace('/',$depr,$url);
            }
        }else{
            if('/' != $depr) { // 安全替换
                $url    =   str_replace('/',$depr,$url);
            }
            // 解析分组、模块和操作
            $url        =   trim($url,$depr);
            $path       =   explode($depr,$url);
            $var        =   array();
            $var[C('VAR_ACTION')]       =   !empty($path)?array_pop($path):ACTION_NAME;
            $var[C('VAR_MODULE')]       =   !empty($path)?array_pop($path):MODULE_NAME;
            if($maps = C('URL_ACTION_MAP')) {
                if(isset($maps[strtolower($var[C('VAR_MODULE')])])) {
                    $maps    =   $maps[strtolower($var[C('VAR_MODULE')])];
                    if($action = array_search(strtolower($var[C('VAR_ACTION')]),$maps)){
                        $var[C('VAR_ACTION')] = $action;
                    }
                }
            }
            if($maps = C('URL_MODULE_MAP')) {
                if($module = array_search(strtolower($var[C('VAR_MODULE')]),$maps)){
                    $var[C('VAR_MODULE')] = $module;
                }
            }            
            if(C('URL_CASE_INSENSITIVE')) {
                $var[C('VAR_MODULE')]   =   parse_name($var[C('VAR_MODULE')]);
            }
            if(!C('APP_SUB_DOMAIN_DEPLOY') && C('APP_GROUP_LIST')) {
                if(!empty($path)) {
                    $group                  =   array_pop($path);
                    $var[C('VAR_GROUP')]    =   $group;
                }else{
                    if(GROUP_NAME != C('DEFAULT_GROUP')) {
                        $var[C('VAR_GROUP')]=   GROUP_NAME;
                    }
                }
                if(C('URL_CASE_INSENSITIVE') && isset($var[C('VAR_GROUP')])) {
                    $var[C('VAR_GROUP')]    =  strtolower($var[C('VAR_GROUP')]);
                }
            }
        }
    }

    if(C('URL_MODEL') == 0) { // 普通模式URL转换
        $url        =   __APP__.'?'.http_build_query(array_reverse($var));
        if(!empty($vars)) {
            $vars   =   urldecode(http_build_query($vars));
            $url   .=   '&'.$vars;
        }
    }else{ // PATHINFO模式或者兼容URL模式
        if(isset($route)) {
            $url    =   __APP__.'/'.rtrim($url,$depr);
        }else{
            $url    =   __APP__.'/'.implode($depr,array_reverse($var));
        }
        if(!empty($vars)) { // 添加参数
            foreach ($vars as $var => $val){
                if('' !== trim($val))   $url .= $depr . $var . $depr . urlencode($val);
            } 
            
            
            //dump($url);<br>             /*<br>             *tp开启路由之后下一页路由失效问题 分页类URL组装<br>             * modify author :赵利刚<br>             * modify time：2014.3.5<br>             */<br>             //如果开启路由<br>             if(C('URL_ROUTER_ON')){                <br>                 foreach (C('URL_ROUTE_RULES') as $zhaolg => $zlig){//遍历路由                        <br>                     if(strstr('/'.GROUP_NAME.$url,$zlig)){//从网址中找路由规则<br>                         $lg = strstr($zhaolg,'/:');//分析规则 带参数?<br>                         if($lg){//如果规则带参数                            <br>                             $tempzlg = str_replace('/:','',$lg);//取参数<br>                             //dump($tempzlg);  <br>                             if($tempzlg){<br>                                 if(C('APP_SUB_DOMAIN_DEPLOY')){<br>                                     $zlgurl = str_replace($zlig,$zhaolg,'/'.GROUP_NAME.$url); //url替换为路由规则 <br>                                 }else{<br>                                     $zlgurl = str_replace($zlig,$zhaolg,$url); //url替换为路由规则 <br>                                 }                                <br>                                 //注 /s/:c/c/4/p/__PAGE__<br>                                 //dump($zlgurl);<br>                                 $url = str_replace($lg.'/'.$tempzlg,'',$zlgurl);//url替换路由规则参数<br>                                                             <br>                             }    <br>                         }else{//分析规则  不带参数<br>                             if(C('APP_SUB_DOMAIN_DEPLOY')){<br>                                 $url = str_replace($zlig,$zhaolg,'/'.GROUP_NAME.$url);//url替换为路由规则<br>                             }else{<br>                                 $url = str_replace($zlig,$zhaolg,$url);//url替换为路由规则 <br>                             }                    <br> <br>                         }<br>                     }<br>                 }<br>             }
                         
        }
        if($suffix) {
            $suffix   =  $suffix===true?C('URL_HTML_SUFFIX'):$suffix;
            if($pos = strpos($suffix, '|')){
                $suffix = substr($suffix, 0, $pos);
            }
            if($suffix && '/' != substr($url,-1)){
                $url  .=  '.'.ltrim($suffix,'.');
            }
        }
    }
    if(isset($anchor)){
        $url  .= '#'.$anchor;
    }
    if($domain) {
        $url   =  (is_ssl()?'https://':'http://').$domain.$url;
    }
    if($redirect) // 直接跳转URL
        redirect($url);
    else
        return $url;
}跨域调用 比如现在是admin.baidu.com 使用U('/Home/aa/bb')之后，直接跳到home.baidu.com/aa/bb.html
分页调用 还和以前一样

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