修正链接地址

#region  //修改链接地址
        public string UpdateTheUri(string webUri,string curUri)
        {
            if(curUri==string.Empty) return string.Empty;
            curUri=curUri.Replace("\"","").Trim();
            curUri=curUri.Replace("\'","").Trim();
            curUri=curUri.Replace("target=_blank","").Trim();
            curUri=curUri.Replace(" ","").Trim();
            curUri=curUri.Replace("&","&").Trim();

            if(!curUri.ToLower().StartsWith("http"))
            {
                if(curUri.IndexOf("../")!=-1)
                {
                    int N=0;
                    int Num=-1;
                    Num=curUri.IndexOf("../",0);
                    while(Num!=-1)
                    {
                        N++;
                        curUri=curUri.Substring(Num+3);
                        Num=curUri.IndexOf("../",0);
                    }

                    for(int i=0;i<N;i++)
                    {
                        webUri = webUri.Substring(0, webUri.LastIndexOf("/"));
                    }

                    curUri = webUri + "/" + curUri;
                }
                else
                {
                    curUri = curUri.Replace("./", "");
                    curUri = webUri.Substring(0, webUri.LastIndexOf("/") + 1) + curUri;    
                }
                
                //去除地址中重复的 “//”
                if(curUri.IndexOf("//")!=curUri.LastIndexOf("//"))
                {
                    curUri=curUri.Replace("//","/");
                    curUri=curUri.Replace(":/","://");
                }
            }
            if(Encoding.UTF8.GetByteCount(curUri)>390)//(curUri.Length>390)
            {
                curUri=string.Empty;
            }
            return curUri.Trim();
        }
        #endregion