<?xml version="1.0" encoding="utf-8"?>

<users>

  <person name="小米" sex="男">

    <tel>15859214524</tel>

    <address>福建</address>

    <pass>123</pass>

  </person>

  <person name="小明" sex="男">

    <tel>15859214520</tel>

    <address>北京</address>

    <pass>123</pass>

  </person>

  <person name="小丽" sex="女">

    <tel>13860632541</tel>

    <address>上海</address>

    <pass>1234</pass>

  </person>

  <person name="小晓" sex="女">

    <tel>13860630541</tel>

    <address>广州</address>

    <pass>1234</pass>

  </person>

  <person name="小鱼" sex="男">

    <tel>138606002541</tel>

    <address>云南</address>

    <pass>1234</pass>

  </person>

</users>

#region 查找信息

    protected string searchInfor(string name)

    {

        string result = "";

        XmlDocument xmlDoc = new XmlDocument();

        xmlDoc.Load(Server.MapPath("./xmlPerson.xml"));

        XmlNode rootNode = xmlDoc.SelectSingleNode("users");

        if (rootNode != null)

        {

            foreach (XmlNode node in rootNode.ChildNodes)

            {

                if (node.Attributes["name"].Value == name)

                {

                    result += "name:" + node.Attributes["name"].Value + "<br />";

                    result += "sex:" + node.Attributes["sex"].Value + "<br />";

                    result += "tel:" + node.ChildNodes[0].InnerText + "<br />";

                    result += "address:" + node.ChildNodes[1].InnerText + "<br />";

                    result += "pass:" + node.ChildNodes[2].InnerText + "<br /><br />";

                }

            }

        }

        else

        {

            result = "没找到此条目";

        }

        return result;

    }

    #endregion

    #region   添加一条记录

    protected void addInfor(string name, string sex, string tel, string address, string pass)

    {

        XmlDocument doc = new XmlDocument();

        doc.Load(Server.MapPath("./xmlPerson.xml"));

        XmlElement ele = doc.CreateElement("person");

        ele.SetAttribute("name", name);

        ele.SetAttribute("sex", sex);

        XmlElement ele1 = doc.CreateElement("tel");

        ele1.InnerText = tel;

        ele.AppendChild(ele1);

        XmlElement ele2 = doc.CreateElement("address");

        ele2.InnerText = address;

        ele.AppendChild(ele2);

        XmlElement ele3 = doc.CreateElement("pass");

        ele3.InnerText = pass;

        ele.AppendChild(ele3);

        XmlNode rootEle = doc.SelectSingleNode("users");

        rootEle.AppendChild(ele);

        doc.Save(Server.MapPath("./xmlPerson.xml"));

        Response.Write("添加成功！");

    }

    #endregion

    #region 删除一条记录

    protected void delInfor(string name)

    {

        bool flag = false;

        XmlDocument doc = new XmlDocument();

        doc.Load(Server.MapPath("./xmlPerson.xml"));

        XmlNode rootNode = doc.SelectSingleNode("users");

        if (rootNode != null)

        {

            XmlNodeList nodes = rootNode.ChildNodes;

            foreach (XmlNode node in nodes)

            {

                if (node.Attributes["name"].Value == name)

                {

                    //删除的是所有的子节点

                    //node.RemoveAll();  

                    rootNode.RemoveChild(node);

                    flag = true;

                    break;

                }

            }

        }

        if (flag)

        {

            doc.Save(Server.MapPath("./xmlPerson.xml"));

            Response.Write("删除成功！");

        }

        else

        {

            Response.Write("对不起，未找到此节点");

        }

    }

    #endregion

    #region 修改成功

    protected void editInfor(string name, string newName, string address)

    {

        bool flag = false;

        XmlDocument doc = new XmlDocument();

        doc.Load(Server.MapPath("./xmlPerson.xml"));

        XmlNode rootNode = doc.SelectSingleNode("users");

        if (rootNode != null)

        {

            foreach (XmlNode node in rootNode.ChildNodes)

            {

                if (node.Attributes["name"].Value == name)

                {

                    node.Attributes["name"].Value = newName;

                    node.ChildNodes[1].InnerText = address;

                    flag = true;

                    break;

                }

            }

        }

        if (flag)

        {

            doc.Save(Server.MapPath("./xmlPerson.xml"));

            Response.Write("修改成功！");

        }

        else

        {

            Response.Write("对不起，未找到此节点");

        }

    }

    #endregion