129 lines
4.5 KiB
C#
129 lines
4.5 KiB
C#
using ryCommon;
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using ryCommonDb;
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using System;
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using System.Collections.Generic;
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using System.Data;
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using System.Linq;
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using System.Text;
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using static ryCommonDb.DataProvider;
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namespace Itrycn_Project
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{
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public static class Itrycn_Db
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{
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public static string SQLConnStr = "<app>\\UserDb\\myDb.dat|";
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public static ryCommonDb.DataProvider.DataProviderType dataType = ryCommonDb.DataProvider.DataProviderType.SQLiteDataProvider;
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public static IDbInterface CreateDataProvider()
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{
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return CreateDataProvider(dataType);
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}
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public static IDbInterface CreateDataProvider(DataProviderType dataProviderType)
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{
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switch (dataProviderType)
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{
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//case DataProviderType.OdbcDataProvider:
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// return new OdbcDataProvider();
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//case DataProviderType.OleDbDataProvider:
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// return new OleDbDataProvider();
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//case DataProviderType.OracleDataProvider:
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// return new OracleDataProvider();
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case DataProviderType.SQLiteDataProvider:
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return new SQLiteDataProvider();
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default:
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return null;
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}
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}
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private static void CreateTable(ryCommonDb.DataProvider.DataProviderType dataType, string ConnStr)
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{
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DataProvider mydb = new DataProvider();
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IDbInterface db = CreateDataProvider(dataType);
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if (db.ConnDb(ConnStr) == 1)
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{
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#region 表1
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RyQuickSQL mySQL = new RyQuickSQL("表1");
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mySQL.AddField("", "");
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mySQL.AddField("addTime", DateTime.Now);
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mySQL.AddField("editTime", DateTime.Now);
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db.CreateDb(mySQL);
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#endregion
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//
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#region 设置表
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mySQL.Clear();
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mySQL.TableName = "Setting";
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mySQL.AddField("name", "");
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mySQL.AddField("info", "");
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db.CreateDb(mySQL);
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#endregion
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}
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db.Free();
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}
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/// <summary>
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/// 保存设置
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/// </summary>
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/// <returns>返回大于0的数,表示设置成功,否则表示失败</returns>
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private static int SetSetting(string name ,string info)
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{
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DataProvider mydb = new DataProvider();
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IDbInterface db = Itrycn_Db.CreateDataProvider(Itrycn_Db.dataType);
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if (db.ConnDb(Itrycn_Db.SQLConnStr) == 1)
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{
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RyQuickSQL mySQL = new RyQuickSQL("Setting");
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mySQL.AddField("name", name);
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mySQL.AddField("info", info);
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var result = db.ExecuteNonQuery(mySQL.GetUpdateSQL() + " where name='" + name + "'", mySQL);
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if (result == 0)
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{
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result=db.ExecuteNonQuery(mySQL.GetInsertSQL(), mySQL);
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}
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return result;
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}
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db.Free();
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return -1000;
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}
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/// <summary>
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///获取设置
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/// </summary>
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/// <returns></returns>
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private static string GetSetting(string name, string defValue)
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{
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DataProvider mydb = new DataProvider();
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IDbInterface db = Itrycn_Db.CreateDataProvider(Itrycn_Db.dataType);
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var result = defValue;
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if (db.ConnDb(Itrycn_Db.SQLConnStr) == 1)
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{
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DataSet ds = db.ReadData("select * from Setting where name='"+ name + "'");
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if (mydb.HaveData(ds))
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{
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DataRow reader = ds.Tables[0].Rows[0];
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#region 读取信息
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result = reader["Name"].ToString();
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#endregion
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}
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}
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db.Free();
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return result;
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}
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/// <summary>
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/// 获取数据库版本
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/// </summary>
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/// <returns></returns>
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public static int GetDbVer()
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{
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return GetSetting("dbVer","1").ToInt();
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}
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/// <summary>
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/// 设置数据库版本
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/// </summary>
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/// <returns></returns>
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public static int SetDbVer(int DbVer)
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{
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return SetSetting("dbVer", DbVer.ToString());
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}
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public static void CreateTable()
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{
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CreateTable(dataType, SQLConnStr);
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}
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}
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}
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