循环获取xml节点

实现功能：通过传入的标记（name）获取该Url（前台得到后台一个数组，该数组通过遍历web.config生成）

前台：

<script language="javascript" type="text/javascript">

function setUrl(name) {
            var UrlList = <%=UrlList%>;
            for (var i in UrlList ) {
                var p =UrlList[i];
                if(p.indexOf(name) >= 0)
                {
                   var url = p.substr(p.indexOf('|')+1,p.length);
                   parent.location.href=url;
                }
            }
        }

</script>

后台：

public void GetUrl()
    {
        try
        {
            string filename = Server.MapPath("web.config");
            XmlDocument xmldoc = new XmlDocument();
            xmldoc.Load(filename);
            string[] url;
            //得到顶层节点列表
            XmlNodeList topM = xmldoc.DocumentElement.ChildNodes;
            foreach (var top in topM)
            {
                XmlElement element = top as XmlElement;
                if (element != null)
                {
                    if (element.Name.ToLower() == "appsettings")
                    {
                        XmlNodeList nodelist = element.ChildNodes;
                        int index = 0;
                        if (nodelist.Count > 0)
                        {
                            url = new string[nodelist.Count];
                            foreach (var node in nodelist)//读元素值XmlElement
                            {
                                XmlElement el = node as XmlElement;
                                if (el != null)
                                {
                                    if (el.Attributes["key"].InnerXml.ToLower().Contains("url"))
                                    {
                                        url[index] = el.Attributes["key"].InnerXml + "|" + el.Attributes[1].Value + "/Default.aspx?userid=" + useridEncode + "&pwd=" + pwdEncode + "";
                                        index++;
                                    }
                                }
                            }
                            for (int i = 0; i < index; i++)
                            {
                                if (i == 0)
                                    UrlList = "['" + url[i] + "',";
                                else if (i == index - 1)
                                    UrlList += "'" + url[i] + "']";
                                else
                                    UrlList += "'" + url[i] + "',";
                            }
                        }
                        break;
                    }
                }
            }
        }
        catch (Exception)
        {
            UrlList = "['Default.aspx']";
        }
    }

　　

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