89 lines
3.1 KiB
C#
89 lines
3.1 KiB
C#
using System.Configuration;
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using Learun.Ioc;
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using Microsoft.Practices.Unity;
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namespace Learun.DataBase.Repository
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{
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/// <summary>
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/// 根据配置文件等取拿数据库信息。用于new的。只不过这里用的是IOC注入的方式，所以字眼上看不到new
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/// </summary>
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public class DbFactory
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{
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public static DatabaseType GetIDatabaseType()
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{
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return DbFactory.GetDbType(ConfigurationManager.ConnectionStrings["BaseDb"].ProviderName);
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}
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/// <summary>
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/// 默认走的是XmlConig下，database.config下的BaseDb这个节点下的字符串。
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/// 首先走Web.config，然后里面指向了Xmlconfig下的database.config
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/// </summary>
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/// <returns></returns>
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public static IDatabase GetIDatabase()
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{
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//if (!Computer.IsSameComputer())
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//{
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// throw new Exception("该电脑没有授权，请联系管理员！");
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//}
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return DbFactory.GetIDatabaseByIoc(DbFactory.GetDbType(ConfigurationManager.ConnectionStrings["BaseDb"].ProviderName).ToString(), "BaseDb");
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}
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public static IDatabase GetIDatabase(string connString, DatabaseType dbType)
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{
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return DbFactory.GetIDatabaseByIoc(dbType.ToString(), connString);
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}
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public static IDatabase GetIDatabase(string connString, string dbType)
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{
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return DbFactory.GetIDatabaseByIoc(dbType, connString);
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}
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public static IDatabase GetIDatabase(string name)
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{
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return DbFactory.GetIDatabaseByIoc(DbFactory.GetDbType(ConfigurationManager.ConnectionStrings[name].ProviderName).ToString(), name);
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}
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/// <summary>
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/// 根据信息去注入（实例化）一个数据库连接对象
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/// </summary>
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/// <param name="name">目前有ora sql mysql</param>
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/// <param name="connString"></param>
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/// <returns></returns>
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public static IDatabase GetIDatabaseByIoc(string name, string connString)
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{
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return UnityIocHelper.Instance.GetService<IDatabase>(name, new ParameterOverride[]
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{
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new ParameterOverride("connString", connString)
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});
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}
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private static DatabaseType GetDbType(string providerName)
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{
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DatabaseType result;
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if (!(providerName == "System.Data.SqlClient"))
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{
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if (!(providerName == "MySql.Data.MySqlClient"))
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{
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if (!(providerName == "Oracle.ManagedDataAccess.Client"))
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{
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result = DatabaseType.SqlServer;
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}
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else
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{
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result = DatabaseType.Oracle;
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}
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}
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else
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{
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result = DatabaseType.MySql;
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}
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}
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else
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{
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result = DatabaseType.SqlServer;
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}
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return result;
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}
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}
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}
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