Perst我使用的版本是4， 几乎支持所有的.net环境, 而且效率很高，比较稳定。
使用方法：
1：引用相应dll
2: 创建数据结构
public class Cp_struct : Persistent, System.ComponentModel.INotifyPropertyChanged
{
[FullTextIndexable] // 创建索引
public string Cpph;
public string cpph { get { return this.Cpph; } set { if (this.Cpph != value) { this.Cpph = value; OnPropertyChanged("cpph"); } } }
public string cpmz { get { return this.Cpmz; } set { if (this.Cpmz != value) { this.Cpmz = value; OnPropertyChanged("cpmz"); } } } public string Cpmz;
public string ddjs { get { return this.Ddjs; } set { if (this.Ddjs != value) { this.Ddjs = value; OnPropertyChanged("ddjs"); } } } public string Ddjs;
public decimal dj { get { return this.Dj; } set { if (this.Dj != value) { this.Dj = value; OnPropertyChanged("dj"); } } } public decimal Dj;
public decimal hydj { get { return this.Hydj; } set { if (this.Hydj != value) { this.Hydj = value; OnPropertyChanged("hydj"); } } } public decimal Hydj;
public string lastdate { get { return this.Lastdate; } set { if (this.Lastdate != value) { this.Lastdate = value; OnPropertyChanged("lastdate"); } } } public string Lastdate;
#region INotifyPropertyChanged Members
public event System.ComponentModel.PropertyChangedEventHandler PropertyChanged;
private void OnPropertyChanged(string propertyName)
{
System.ComponentModel.PropertyChangedEventHandler handler = this.PropertyChanged;
if (handler != null)
{
handler(this, new System.ComponentModel.PropertyChangedEventArgs(propertyName));
}
#endregion
public override void OnLoad()
{
base.OnLoad();
}
public override void Deallocate()
{
base.Deallocate();
}
}
3： 创建数据库
public static Database db;
应用程序开启时打开数据库
Storage instanse = StorageFactory.Instance.CreateStorage(); //初始化数据库文件为1M
instanse.SetProperty("perst.file.extension.quantum", 512 * 1024); //数据库大小不够时，每次增加512K
instanse.SetProperty("perst.extension.quantum", 512 * 1024);
instanse.Open("demo.dbf");
db = new Database(instanse);
应用程序关闭时关闭数据库连接
db.Storage.Close();
4 常用的方法有：
//检索：
List<PrintData_H> pp = App.db.Select<PrintData_H>(p => (p.bigAccountDataId == y.bigAccountDataId)).ToList();
List<City> list = App.db.Select<City>("order by CityNum").ToList();
// 新增
App.db.AddRecord(x);
App.db.Storage.Commit();
// 修改
x.Store();
App.db.UpdateFullTextIndex(x);
// 删除
App.db.DeleteRecord(x);
App.db.Storage.Commit();