init lserp cs 5.0
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cyf
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using System;
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using System.Collections.Generic;
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using System.Text;
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using Zhaizj.Framework.ORM;
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using Zhaizj.Framework.Reflection;
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using Zhaizj.Framework.Serialization;
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using Zhaizj.Framework.Web;
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using System.IO;
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using System.Web;
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using Zhaizj.Framework.IO;
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using Zhaizj.Framework.Data.Config;
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namespace Zhaizj.Framework.Data {
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/// <summary>
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/// 数据库连接字符串内容的封装
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/// </summary>
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public class ConnectionString {
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public String Name { get; set; }
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public String StringContent { get; set; }
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public DatabaseType DbType { get; set; }
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}
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/// <summary>
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/// ORM 的数据库配置
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/// </summary>
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public class DbConfig {
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private static readonly ILog logger = LogManager.GetLogger( typeof( DbConfig ) );
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public DbConfig() {
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this.ConnectionStringTable = new Dictionary<String, object>();
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this.AssemblyList = new List<object>();
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this.DbType = new Dictionary<String, object>();
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this.IdType = Zhaizj.Framework.Data.IdType.Auto;
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this.Interceptor = new List<object>();
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this.IsCheckDatabase = true;
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this.ContextCache = true;
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this.Mapping = new List<object>();
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}
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/// <summary>
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/// 默认数据库名称(值为default)
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/// </summary>
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public static readonly String DefaultDbName = "default";
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/// <summary>
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/// 配置的缓存内容(单例模式缓存)
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/// </summary>
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public static DbConfig Instance = loadConfig( getConfigPath() );
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/// <summary>
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/// 直接解析json的结果：多个数据库连接字符串(connectionString)的键值对
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/// </summary>
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public Dictionary<String, object> ConnectionStringTable { get; set; }
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private Dictionary<String, ConnectionString> _connectionStringMap = new Dictionary<String, ConnectionString>();
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/// <summary>
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/// 多个数据库连接字符串对象的map，值是ConnectionString对象(包括Name/StringContent/DbType)
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/// </summary>
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/// <returns></returns>
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public Dictionary<String, ConnectionString> GetConnectionStringMap() {
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return _connectionStringMap;
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}
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internal void SetConnectionStringMap( Dictionary<String, ConnectionString> cmap ) {
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_connectionStringMap = cmap;
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}
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/// <summary>
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/// 直接解析json的结果：数据库类型
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/// </summary>
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public Dictionary<String, object> DbType { get; set; }
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/// <summary>
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/// 实体键值类型
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/// </summary>
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public String IdType { get; set; }
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/// <summary>
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/// 自动键值
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/// </summary>
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[NotSerialize]
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public bool IsAutoId
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{
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get { return IdType.Equals(Zhaizj.Framework.Data.IdType.Auto, StringComparison.OrdinalIgnoreCase); }
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}
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/// <summary>
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/// 直接解析json的结果：程序集列表
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/// </summary>
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public List<object> AssemblyList { get; set; }
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/// <summary>
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/// 是否坚持数据库，如果检查，则会将尚未创建的数据表自动创建
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/// </summary>
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public Boolean IsCheckDatabase { get; set; }
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/// <summary>
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/// 数据表的前缀(默认没有前缀)
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/// </summary>
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public String TablePrefix { get; set; }
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/// <summary>
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/// 是否开启一级缓存，默认开启，并且建议开启
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/// </summary>
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public Boolean ContextCache { get; set; }
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/// <summary>
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/// 是否开启二级缓存
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/// </summary>
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public Boolean ApplicationCache { get; set; }
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/// <summary>
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/// 二级缓存的时间(分钟)
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/// </summary>
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public int ApplicationCacheMinutes { get; set; }
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/// <summary>
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/// 二级缓存管理程序，请填写类型(type)的全名(full name)，比如 Zhaizj.Framework.somens.myCache；
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/// 如果不填写，则使用默认的System.Web.Caching
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/// </summary>
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public String ApplicationCacheManager { get; set; }
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/// <summary>
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/// ORM 的元数据文件名称，一般不需填写(建议不要填写)。如果为了提高网站启动时候的速度，可以填写。
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/// 系统会根据文件名自动生成元数据文件，可以避免以后网站启动过程中的反射，能略微提高启动速度；
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/// 文件名不包括路径(必须放在bin目录中)，比如 Zhaizj.Framework.meta.dll
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/// </summary>
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public String MetaDLL { get; set; }
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/// <summary>
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/// 直接解析json的结果：数据表映射
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/// </summary>
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public List<object> Mapping { get; set; }
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/// <summary>
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/// 拦截器列表
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/// </summary>
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public List<object> Interceptor { get; set; }
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/// <summary>
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/// 反射优化模式，目前只实现了 CodeDom 方式
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/// </summary>
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[NotSerialize]
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internal OptimizeMode OptimizeMode {
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get { return OptimizeMode.CodeDom; }
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set { }
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}
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/// <summary>
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/// 获取元数据库文件的绝对路径
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/// </summary>
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/// <returns></returns>
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public String GetMetaDllAbsPath() {
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if (strUtil.IsNullOrEmpty( this.MetaDLL )) return "";
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String dllPath = this.MetaDLL;
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if (dllPath.ToLower().EndsWith( ".dll" ) == false)
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dllPath = dllPath + ".dll";
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dllPath = Path.Combine( PathTool.GetBinDirectory(), dllPath );
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return dllPath;
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}
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private Dictionary<String, MappingInfo> _mappings = new Dictionary<String, MappingInfo>();
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private void addMapping( MappingInfo mi ) {
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_mappings.Add( mi.TypeName, mi );
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}
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/// <summary>
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/// 获取映射信息
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/// </summary>
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/// <returns></returns>
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internal Dictionary<String, MappingInfo> GetMappingInfo() {
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return _mappings;
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}
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//----------------------------------------------------------------------
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private static DbConfig loadConfig( String cfgPath ) {
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String str = SectionDataHandler.Current.GetDataConfig();//file.Read( cfgPath );
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DbConfig dbc = JSON.ToObject<DbConfig>( str );
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loadMappingInfo( dbc );
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checkConnectionString( dbc );
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return dbc;
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}
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private static void loadMappingInfo( DbConfig dbc ) {
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if (dbc.Mapping.Count == 0) return;
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foreach (Dictionary<String, object> dic in dbc.Mapping) {
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MappingInfo mi = new MappingInfo();
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if (dic.ContainsKey( "name" )) mi.TypeName = dic["name"].ToString();
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if (dic.ContainsKey( "database" )) mi.Database = dic["database"].ToString();
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if (dic.ContainsKey( "table" )) mi.Table = dic["table"].ToString();
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dbc.addMapping( mi );
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}
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}
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private static String getConfigPath() {
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return PathHelper.Map( strUtil.Join( cfgHelper.ConfigRoot, "orm.config" ) );
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}
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private static void checkConnectionString( DbConfig result ) {
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logger.Info( "checkConnectionString..." );
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if (result.ConnectionStringTable == null) return;
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Dictionary<String, ConnectionString> connStringMap = new Dictionary<String, ConnectionString>();
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Dictionary<String, String> newString = new Dictionary<string, string>();
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foreach (KeyValuePair<String, object> kv in result.ConnectionStringTable) {
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String connectionString = kv.Value.ToString();
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DatabaseType dbtype = getDbType( kv.Key, connectionString, result );
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ConnectionString objConnString = new ConnectionString {
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Name = kv.Key,
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StringContent = connectionString,
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DbType = dbtype
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};
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connStringMap.Add( kv.Key, objConnString );
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logger.Info( "connectionString:" + connectionString );
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IDatabaseDialect dialect = DataFactory.GetDialect( dbtype );
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if ((dbtype == DatabaseType.Access)) {
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String connectionItem = dialect.GetConnectionItem( connectionString, ConnectionItemType.Database );
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logger.Info( "database path original:" + connectionItem );
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if (IsRelativePath( connectionItem )) {
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connectionItem = PathHelper.Map( strUtil.Join( SystemInfo.ApplicationPath, connectionItem ) );
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logger.Info( "database path now:" + connectionItem );
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String newConnString = String.Format( "Provider=Microsoft.Jet.OLEDB.4.0;Data Source={0}", connectionItem );
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newString.Add( kv.Key, newConnString );
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}
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}
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}
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foreach (KeyValuePair<String, String> kv in newString) {
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result.ConnectionStringTable[kv.Key] = kv.Value;
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connStringMap[kv.Key].StringContent = kv.Value;
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}
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result.SetConnectionStringMap( connStringMap );
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}
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private static bool IsRelativePath( string connectionItem ) {
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return connectionItem.IndexOf( ":" ) < 0;
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}
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private static DatabaseType getDbType( String dbname, String connectionString, DbConfig result ) {
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foreach (KeyValuePair<String, Object> kv in result.DbType) {
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if (kv.Key == dbname) return DbTypeChecker.GetFromString( kv.Value.ToString() );
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}
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DatabaseType dbtype = DbTypeChecker.GetDatabaseType( connectionString );
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return dbtype;
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}
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//----------------------------------------------------------------------
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/// <summary>
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/// 根据命名，获取数据库连接字符串
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/// </summary>
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/// <param name="db"></param>
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/// <returns></returns>
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public static String GetConnectionString( String db ) {
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if (DbConfig.Instance.ConnectionStringTable.ContainsKey( db ) == false)
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throw new Exception( lang.get( "dbNotExist" ) + ": " + db );
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return (String)DbConfig.Instance.ConnectionStringTable[db];
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}
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internal static void SaveConnectionString( String connectionString ) {
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String cfgPath = getConfigPath();
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if (DbConfig.Instance.ConnectionStringTable == null)
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DbConfig.Instance.ConnectionStringTable = new Dictionary<String, object>();
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DbConfig.Instance.ConnectionStringTable[DefaultDbName] = connectionString;
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String str = JsonString.ConvertObject( DbConfig.Instance, true );
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file.Write( cfgPath, str );
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}
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}
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}
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