using System;using System.Data;using System.IO;using System.Windows.Forms;using System.Collections;
namespace DataLibrary{ /// <summary> /// 配置底层 /// </summary> public class ConfigManagerKeyValue { private string pstrKey; private object pobjValue; /// <summary> /// 配置管理键值 /// </summary> /// <param name="Key"></param> /// <param name="Value"></param> public ConfigManagerKeyValue(string Key,object Value) { pstrKey = Key; pobjValue = Value; }
/// <summary> /// 键 /// </summary> public string Key { get{return pstrKey;} set{pstrKey=value;} }
/// <summary> /// 值 /// </summary> public object Value { get{return pobjValue;} set{pobjValue=value;} } }
/// <summary> /// 配置管理业务 /// </summary> public class DisposalConductService { private string pstrFilename; private DataSet dsDataSet; private DataView dvDataView; /// <summary> /// 配置管理业务 /// </summary> /// <param name="Filename"></param> public DisposalConductService(string Filename) { pstrFilename = Filename; initObjects(); }
/// <summary> /// 配置管理业务 /// </summary> public DisposalConductService() { pstrFilename = System.Reflection.Assembly.GetExecutingAssembly().ToString() + ".exe.config"; AppDomain Ad = AppDomain.CurrentDomain; pstrFilename = Ad.BaseDirectory + pstrFilename; initObjects(); }
private void initObjects() { initDataSource(); } private void initDataSource() { dsDataSet = new DataSet(); try { dsDataSet.ReadXml(pstrFilename); dvDataView = dsDataSet.Tables[0].DefaultView; dvDataView.AllowEdit = true; dvDataView.AllowDelete = true; dvDataView.AllowNew = true; } catch(Exception) { dsDataSet.Tables.Add(createDataTable() ); dsDataSet.DataSetName = "Application"; try { saveData(); dvDataView = dsDataSet.Tables[0].DefaultView; dvDataView.AllowEdit = true; dvDataView.AllowDelete = true; dvDataView.AllowNew = true; } catch(Exception e) { MessageBox.Show(e.Message); } } }
/// <summary> /// 取得数据值 /// </summary> /// <param name="KeyName">键名</param> /// <param name="Default">默认值</param> /// <returns>值</returns> public object GetValue(string KeyName,object Default) { object strResult=Default; DataRowView Row; dvDataView.RowFilter="key='" + KeyName + "'"; if(dvDataView.Count != 0) { Row = dvDataView[0]; strResult = Row["value"]; } else { AddValue(KeyName,Default); } return(strResult); }
/// <summary> /// 取得值 /// </summary> /// <returns>值</returns> public ArrayList GetValues() { ArrayList List = new ArrayList(); try { dvDataView.RowFilter=""; foreach(DataRowView Row in dvDataView) { List.Add(new ConfigManagerKeyValue((string)Row["key"],Row["value"])); } } catch{} return List; }
/// <summary> /// 增加一个值 /// </summary> /// <param name="KeyName">键</param> /// <param name="Value">值</param> /// <returns>成功：true；失败：false</returns> public bool AddValue(string KeyName,object Value) { DataRowView Row; try { dvDataView.RowFilter="key='" + KeyName + "'"; if(dvDataView.Count==0) { Row = dvDataView.AddNew(); Row["key"] = KeyName; Row["value"] = Value; Row.EndEdit(); saveData(); return true; } else { return false; } } catch(Exception e) { MessageBox.Show(e.Message); return false; } }
/// <summary> /// 删除一个值 /// </summary> /// <param name="KeyName">键</param> /// <returns>成功：true；失败：false</returns> public bool RemoveValue(string KeyName) { DataRowView Row; dvDataView.RowFilter="key='" + KeyName + "'"; if(dvDataView.Count != 0) { Row = dvDataView[0]; Row.Delete(); return true; } else { return false; } }
/// <summary> /// 更新值 /// </summary> /// <param name="KeyName">键</param> /// <param name="Value">值</param> /// <returns>成功：true；失败：false</returns> public bool UpdateValue(string KeyName,object Value) { RemoveValue(KeyName); return AddValue(KeyName,Value); } private void saveData() { dsDataSet.WriteXml(pstrFilename); } private DataTable createDataTable() { DataTable tbl = new DataTable(); tbl.TableName = "Configuration"; tbl.Columns.Add("key",typeof(string)); tbl.Columns.Add("value",typeof(string)); return(tbl); }
/// <summary> /// 文件名 /// </summary> public string Filename { get{return pstrFilename;} } } }