代碼片段
using system;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Reflection;
using System.Xml;
using System.IO;
using System.Xml.Serialization;
namespace Common
{
public class ConvertXml<T>
{
private string Xmlpath = string.Empty;
private string Xmlroot = string.Empty;
private XmlDocument xml = null;
private XmlNode rootnode = null;
private MemberInfo minfo;
private StreamWriter st;
private List<T> list = new List<T>();
private XmlKeyAttribute xmlKeyAtt ;
private XmlSerializer serializer = new XmlSerializer(typeof(List<T>));
private T t;
/// <summary>
/// 構造函數默認加載xml模板物理路徑
/// </summary>
/// <param name="Xmlpath">xml模板物理路徑</param>
/// <param name="T">XML所對應實體類</param>
public ConvertXml(T tmodel, string Xmlpath = "")
{
this.Xmlpath = Xmlpath;
xml = new XmlDocument();
if (!string.IsNullOrEmpty(Xmlpath))
{
if (!File.Exists(Xmlpath))
{
// st = new StreamWriter(Xmlpath);
// File.Create(Xmlpath);
using (FileStream fs = new FileStream(Xmlpath, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.ReadWrite))
{
list.Add(tmodel);
serializer.Serialize(fs, list);
// st.Close();
fs.Close();
fs.Dispose();
}
}
else
{
try
{
// st = new StreamWriter(Xmlpath);
xml.Load(Xmlpath);
minfo = typeof(T);
xmlKeyAtt = Attribute.GetCustomAttribute(minfo, typeof(XmlKeyAttribute)) as XmlKeyAttribute;
rootnode = xml.SelectSingleNode(xmlKeyAtt.Rootauthor);
}
catch (Exception e)
{
throw;
}
}
}
this.t = tmodel;
}
/// <summary>
/// 裝載到xml中
/// </summary>
/// <returns></returns>
public bool InsertXml()
{
bool save = true;
try
{
Hashtable ht = this.setHt();
XmlElement xmlEle = xml.CreateElement(Xmlroot);
foreach (DictionaryEntry item in ht)
{
XmlElement idxml = xml.CreateElement(item.Key.ToString());
idxml.InnerText = item.Value =http://www.oschina.net/code/= null ?"" : item.Value.ToString();
xmlEle.AppendChild(idxml);
}
rootnode.AppendChild(xmlEle);
}
catch (Exception e)
{
save = false;
}
finally
{
save = false;
}
xml.Save(Xmlpath);
return save;
}
/// <summary>
/// 反射當前對象序列化到對象中
/// </summary>
/// <returns></returns>
private Hashtable setHt()
{
Hashtable ht = new Hashtable();
Type modelType = t.GetType();
Xmlroot = modelType.Name;
try
{
foreach (PropertyInfo item in modelType.GetProperties())
{
ht.Add(item.Name, item.GetValue(t, null));
}
}
catch (Exception e)
{
throw;
}
return ht;
}
/// <summary>
/// 反序列化xml配置文件
/// </summary>
/// <returns></returns>
public List<T> getModel()
{
StreamReader strr = new StreamReader(Xmlpath);
XmlSerializer serializer = new XmlSerializer(typeof(List<T>));
this.list = (List<T>)serializer.Deserialize(strr);
strr.Close();
strr.Dispose();
return list;
}
/// <summary>
/// 修改一個xml節點值
/// </summary>
/// <returns></returns>
public bool updateModel(ref ValidationErrors err)
{
bool save = true;
XmlNodeList nodelist = rootnode.ChildNodes;
Type modelType = t.GetType();
System.Reflection.PropertyInfo propertyInfo = modelType.GetProperty(xmlKeyAtt.Author);
string tempID = propertyInfo.GetValue(t, null) == null ? "" : propertyInfo.GetValue(t, null).ToString();
try
{
foreach (XmlNode item in nodelist)
{
XmlElement xe = item as XmlElement;
if (xe != null)
{
foreach (PropertyInfo itemModel in modelType.GetProperties())
{
if (xe[xmlKeyAtt.Author].InnerText == tempID)
{
xe[itemModel.Name].InnerText = itemModel.GetValue(t, null) == null ? "" : itemModel.GetValue(t, null).ToString();
}
}
}
}
}
catch (Exception e)
{
err.Add(e.ToString());
save=false;
}
xml.Save(Xmlpath);
return save;
}
/// <summary>
/// 刪除一個節點
/// </summary>
/// <returns></returns>
public bool DeleteModel()
{
bool save = true;
XmlNodeList nodelist = rootnode.ChildNodes;
Type modelType = t.GetType();
System.Reflection.PropertyInfo propertyInfo = modelType.GetProperty(xmlKeyAtt.Author);
string tempID = propertyInfo.GetValue(t, null) == null ? "" : propertyInfo.GetValue(t, null).ToString();
try
{
foreach (XmlNode item in nodelist)
{
XmlElement xe = item as XmlElement;
if (xe != null)
{
if (xe[xmlKeyAtt.Author].InnerText == tempID)
{
rootnode.RemoveChild(item);
}
}
}
}
catch (Exception e)
{
save = false;
}
xml.Save(Xmlpath);
return save;
}
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Common
{
[AttributeUsage(AttributeTargets.Class)]
public class XmlKeyAttribute:Attribute
{
private string _author;
private string _Rootauthor;
public XmlKeyAttribute(string _rootauthor, string author="id")
{
_author = author;
_Rootauthor=_rootauthor;
}
public string Author
{
get { return _author; }
}
public string Rootauthor
{
get { return _Rootauthor; }
}
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml.Serialization;
namespace Common
{
[Serializable]
[XmlRoot("ArrayOfRviewModel")]//xml的根節點ArrayOf+類名
[XmlKey("ArrayOfRviewModel", "ID")]//相當於主鍵字段 添加刪除修改會使用到
public class RviewModel
{
public string ID
{ get; set; }
public string Name
{ get; set; }
/// <summary>
/// 執行方式
/// </summary>
public string Sql
{ get; set; }
/// <summary>
/// 執行內容
/// </summary>
public string Content
{ get; set; }
}
}
//創建xml
RviewModel model = new RviewModel();
//對象賦值 model.id=1;model.name=2;
string paht = Server.MapPath("~/XRviewConfig/RviewModel.xml");
if (!System.IO.File.Exists(paht))
{
Common.ConvertXml<RviewModel> xml = new ConvertXml<RviewModel>(model, paht);
}
else
{
Common.ConvertXml<RviewModel> xml = new ConvertXml<RviewModel>(model, paht);
xml.InsertXml();
var item = xml.getModel();
}
//查詢單個對象
string paht = Server.MapPath("~/XRviewConfig/RviewModel.xml");
RviewModel model = new RviewModel();
Common.ConvertXml<RviewModel> xml = new ConvertXml<RviewModel>(model, paht);
model = xml.getModel().Where(o => o.ID == id).First();
//修改
Common.ConvertXml<RviewModel> xml = new ConvertXml<RviewModel>(model, paht);
xml.UpdateModel(ref validationErrors);
if (validationErrors != null && validationErrors.Count > 0)
{
validationErrors.All(a =>
{
returnValue += a.Errormessage;
return true;
});
}
//刪除
string[] deleteId = new String [];
string paht = Server.MapPath("~/XRviewConfig/RviewModel.xml");
RviewModel model = new RviewModel();
Common.ConvertXml<RviewModel> xml = new ConvertXml<RviewModel>(model, paht);
foreach (var item in deleteId)
{
model = xml.getModel().Where(o => o.ID == item).First();
Common.ConvertXml<RviewModel> tempxml = new ConvertXml<RviewModel>(model, paht);
if (deleteId != null && deleteId.Length > 0)
{
if (tempxml.DeleteModel())
{
LogClassModels.WriteServiceLog(Suggestion.DeleteSucceed + "，信息的Id為" + string.Join(",", deleteId), "消息"
);//刪除成功，寫入日誌
return Json("OK");
}
else
{
if (validationErrors != null && validationErrors.Count > 0)
{
validationErrors.All(a =>
{
returnValue += a.ErrorMessage;
return true;
});
}
LogClassModels.WriteServiceLog(Suggestion.DeleteFail + "，信息的Id為" + string.Join(",", deleteId) + "," + returnValue, "消息"
);//刪除失敗，寫入日誌
}
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Collections;
namespace Common
{
/// <summary>
/// 驗證錯誤
/// </summary>
public class ValidationError
{
public ValidationError() { }
public string ErrorMessage { get; set; }
}
/// <summary>
/// 多個驗證錯誤的集合
/// </summary>
public class ValidationErrors : List<ValidationError>
{
public void Add(string errorMessage)
{
base.Add(new ValidationError { ErrorMessage = errorMessage });
}
}
}
Tags: private public null 標簽
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