mirror of
https://github.com/KevinWG/OSS.Common.git
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Kevin
611 lines
22 KiB
C#
611 lines
22 KiB
C#
using System;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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using System.Collections.Specialized;
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using System.Linq;
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using System.Reflection;
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using OS.Common.Extention.Volidate;
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#region Copyright (C) 2014 OS系列开源项目
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/*
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文件功能描述：验证属性attribute
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创建人：王超
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创建人Email：1985088337@qq.com
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创建日期：2014.08.25
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修改描述：
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*/
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#endregion
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namespace OS.Common.Extention.DTO
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{
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public static class DTOExtetion
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{
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private static ConcurrentDictionary<string, IDictionary<string,PropertyColumnInfo>> propertyDirs
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=new ConcurrentDictionary<string, IDictionary<string, PropertyColumnInfo>>();
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/// <summary>
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/// 从Rquest等NameValueCollection列表对象中获取实体信息
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/// </summary>
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/// <typeparam name="TModel"></typeparam>
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/// <param name="valueCollection"></param>
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public static TModel SetToModel<TModel>(this NameValueCollection valueCollection) where TModel : class, new()
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{
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TModel tModel = new TModel();
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var properties = GetColumnAttributes( typeof (TModel) );
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foreach (var propertyColumnInfo in properties)
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{
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var propertyInfo = propertyColumnInfo.Value.PropertyInfo;
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var value = valueCollection[propertyColumnInfo.Key];
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if (!propertyColumnInfo.Value.IsIgnore
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&&!string.IsNullOrEmpty( value ))
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{
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propertyInfo.SetValue(tModel, value.ChangeToType(propertyInfo.PropertyType), null);
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}
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}
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return tModel;
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}
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///// <summary>
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///// 从DataReader中获取实体信息
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///// </summary>
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///// <typeparam name="TModel"></typeparam>
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///// <param name="dr"></param>
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//public static TModel SetToModel<TModel>(this IDataReader dr) where TModel : class ,new()
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//{
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// TModel tModel=new TModel();
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// var properties = GetColumnAttributes( typeof (TModel) );
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// for (int i = 0; i < dr.FieldCount; i++)
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// {
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// string drFieldName = dr.GetName( i );
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// if (properties.ContainsKey( drFieldName ) && !dr.IsDBNull( i ))
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// {
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// var propertyColumnInfo = properties[drFieldName];
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// if (!propertyColumnInfo.IsIgnore)
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// {
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// var propertyInfo = propertyColumnInfo.PropertyInfo;
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// propertyInfo.SetValue(tModel, dr[i].ChangeToType(propertyInfo.PropertyType), null);
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// }
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// }
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// }
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// return tModel;
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//}
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#region 属性处理
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/// <summary>
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/// 获取列附加属性列表
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/// </summary>
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/// <param name="type"></param>
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/// <returns></returns>
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private static IDictionary<string, PropertyColumnInfo> GetColumnAttributes(Type type)
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{
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IDictionary<string, PropertyColumnInfo> propertyList;
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propertyDirs.TryGetValue(type.FullName, out propertyList);
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if (propertyList != null)
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return propertyList;
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var properties = TypeHelper.GetProperties(type);
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propertyList = new Dictionary<string, PropertyColumnInfo>(properties.Length);
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foreach (PropertyInfo fd in properties)
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{
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var properColumnInfo = new PropertyColumnInfo();
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properColumnInfo.Name = fd.Name;
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properColumnInfo.PropertyInfo = fd;
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var attrs = TypeHelper.GetPropertiAttributes(type.FullName, fd, typeof(BaseClumnAttribute))
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.Select(attr => attr as BaseClumnAttribute)
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.ToList();
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attrs.ForEach(attr =>
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{
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properColumnInfo.IsAuto = attr.IsAuto || properColumnInfo.IsAuto;
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properColumnInfo.IsIgnore = attr.IsIgnore || properColumnInfo.IsIgnore;
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if (!string.IsNullOrEmpty(attr.Alias))
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properColumnInfo.Alias = attr.Alias;
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});
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properColumnInfo.Alias = properColumnInfo.Alias ?? fd.Name;
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if (!propertyList.ContainsKey(properColumnInfo.Alias))
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{
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propertyList.Add(properColumnInfo.Alias, properColumnInfo);
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}
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}
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propertyDirs.TryAdd(type.FullName, propertyList);
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return propertyList;
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}
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#endregion
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#region 数据转化部分
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/// <summary>
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/// 转换到指定类型
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/// </summary>
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/// <param name="obj"></param>
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/// <param name="type"></param>
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/// <returns></returns>
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public static Object ChangeToType(this String obj, Type type)
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{
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if (obj == null)
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{
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return default(Type);
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}
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return ((object)obj).ChangeToType(type);
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}
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/// <summary>
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/// 转换到指定类型
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/// </summary>
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/// <param name="obj"></param>
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/// <param name="type"></param>
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/// <returns></returns>
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public static Object ChangeToType(this Object obj, Type type)
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{
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if (obj == null)
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{
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return default(Type);
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}
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object result;
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try
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{
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if (type == typeof (DateTime?))
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{
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DateTime date;
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result = DateTime.TryParse(obj.ToString(), out date) ? date : default(DateTime?);
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}
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else if (type == typeof(int?))
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{
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int i;
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result = int.TryParse(obj.ToString(), out i) ? i : default(int?);
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}
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else
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{
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result = type.IsEnum ? Enum.ToObject(type, Convert.ToInt64(obj)) : Convert.ChangeType(obj, type);
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}
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}
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catch (Exception)
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{
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result = default(Type);
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}
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return result;
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}
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#endregion
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#region 创建数据参数部分
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///// <summary>
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///// 从实体中获取 所有数据库参数和值
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///// </summary>
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///// <param name="tModel"></param>
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///// <param name="type"></param>
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//public static DbParameters GetDbParameteres<TModel>(this TModel tModel, DataBaseType type=DataBaseType.SqlServer) where TModel : class
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//{
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// DbParameters parameters=new DbParameters(type);
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// var properties = GetColumnAttributes(typeof(TModel));
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// foreach (var pro in properties)
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// {
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// var pcInfo = pro.Value;
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// if (!pcInfo.IsIgnore && !pcInfo.IsAuto)
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// {
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// parameters.AddInParameter(pcInfo.Alias,
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// GetPropertityValue(pcInfo.PropertyInfo, tModel));
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// }
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// else if (pcInfo.IsAuto)
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// {
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// parameters.AddOutParameter(pcInfo.Alias,DbType.Int64);
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// }
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// }
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// return parameters;
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//}
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///// <summary>
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///// 设置SqlServer数据库插入参数和语句
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///// </summary>
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///// <param name="tModel"></param>
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///// <param name="tableName"></param>
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//public static void SetSqlServerInsertPara<TModel>(this DbCommand com, TModel tModel, string tableName)
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//{
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// DbParameters parameters = new DbParameters(DataBaseType.SqlServer);
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// var properties = GetColumnAttributes(typeof (TModel));
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// StringBuilder strColumns = new StringBuilder();
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// StringBuilder strValues = new StringBuilder();
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// string strAuto = string.Empty;
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// foreach (var pro in properties)
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// {
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// var pcInfo = pro.Value;
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// if (!pcInfo.IsIgnore && !pcInfo.IsAuto)
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// {
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// var para = parameters.AddInParameter(pcInfo.Alias,
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// DbParameters.ConvertToDbType(pcInfo.PropertyInfo.PropertyType),
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// GetPropertityValue(pcInfo.PropertyInfo, tModel));
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// if (strColumns.Length > 0)
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// strColumns.Append(",");
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// if (strValues.Length > 0)
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// strValues.Append(",");
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// strColumns.Append("[").Append(pcInfo.Alias).Append("]");
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// strValues.Append(para.ParameterName);
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// }
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// else if (pcInfo.IsAuto)
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// {
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// var para = parameters.AddOutParameter(pcInfo.Alias, DbType.Int64);
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// strAuto = string.Format(" set {0}=@@identity", para.ParameterName);
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// }
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// }
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// com.CommandType = CommandType.Text;
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// com.CommandText = string.Format("insert into {0}({1}) values ({2}) {3}", tableName, strColumns, strValues,
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// strAuto);
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// com.Parameters.AddRange(parameters.ToArray());
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//}
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private static object GetPropertityValue<TModel>(PropertyInfo proper, TModel tModel)
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{
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object obj = proper.GetValue(tModel, null);
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if (proper.PropertyType.IsEnum)
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{
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obj = (int) obj;
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}
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return obj;
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}
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#endregion
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}
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#region 数据库参数定义
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//public enum DataBaseType
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//{
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// SqlServer,
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// Oracle
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//}
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//public static class DataBase
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//{
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// public static DbProviderFactory GetDbProvider(DataBaseType type=DataBaseType.SqlServer)
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// {
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// DbProviderFactory factory = null;
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// switch (type)
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// {
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// case DataBaseType.SqlServer:
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// factory = DbProviderFactories.GetFactory("System.Data.SqlClient");
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// break;
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// case DataBaseType.Oracle:
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// factory = DbProviderFactories.GetFactory("System.Data.OracleClient");
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// break;
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// }
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// if (factory == null)
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// {
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// throw new ArgumentNullException("type", "DbProviderFactory do not support!");
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// }
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// return factory;
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// }
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//}
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///// <summary>
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///// 数据库参数封装
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///// </summary>
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//public class DbParameters : Collection<DbParameter>
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//{
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// private readonly DataBaseType _dataBaseType;
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// /// <summary>
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// ///
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// /// </summary>
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// /// <param name="type"></param>
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// public DbParameters(DataBaseType type)
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// {
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// _dataBaseType = type;
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// }
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// /// <summary>
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// /// 添加输入参数
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// /// </summary>
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// /// <param name="name"></param>
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// /// <param name="dbType"></param>
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// /// <returns></returns>
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// public DbParameter AddInParameter(string name, DbType dbType)
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// {
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// return AddParameter(name, dbType, ParameterDirection.Input, String.Empty, DataRowVersion.Default, null);
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// }
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// /// <summary>
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// /// 添加输入参数
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// /// </summary>
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// /// <param name="name"></param>
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// /// <param name="value"></param>
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// /// <returns></returns>
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// public DbParameter AddInParameter(string name, object value)
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// {
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// return AddParameter(name, ConvertToDbType(value==null?typeof(object):value.GetType()), ParameterDirection.Input, String.Empty, DataRowVersion.Default, value);
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// }
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// /// <summary>
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// /// 添加输入参数
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// /// </summary>
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// /// <param name="name"></param>
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// /// <param name="dbType"></param>
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// /// <param name="value"></param>
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// /// <returns></returns>
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// public DbParameter AddInParameter(string name, DbType dbType, object value)
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// {
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// return AddParameter(name, dbType, ParameterDirection.Input, String.Empty, DataRowVersion.Default, value);
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// }
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// /// <summary>
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// /// 添加一个新的参数
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// /// </summary>
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// /// <param name="name">参数名称，不带前缀的，例如直接 “name” </param>
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// /// <param name="dbType">参数类型</param>
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// /// <param name="size">参数大小</param>
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// /// <param name="value">参数值</param>
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// public DbParameter AddInParameter(string name, DbType dbType, int size, object value)
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// {
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// return AddParameter(name, dbType, size, ParameterDirection.Input, true, 0, 0, String.Empty, DataRowVersion.Default,
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// value);
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// }
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// /// <summary>
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// /// 添加输入参数
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// /// </summary>
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// /// <param name="name"></param>
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// /// <param name="dbType"></param>
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// /// <param name="sourceColumn"></param>
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// /// <param name="sourceVersion"></param>
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// /// <returns></returns>
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// public DbParameter AddInParameter(string name, DbType dbType, string sourceColumn, DataRowVersion sourceVersion)
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// {
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// return AddParameter(name, dbType, 0, ParameterDirection.Input, true, 0, 0, sourceColumn, sourceVersion, null);
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// }
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// /// <summary>
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// /// 添加输出参数
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// /// </summary>
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// /// <param name="name"></param>
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// /// <param name="dbType"></param>
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// public DbParameter AddOutParameter(string name, DbType dbType)
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// {
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// return AddParameter(name, dbType, 0, ParameterDirection.Output, true, 0, 0, String.Empty, DataRowVersion.Default,
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// DBNull.Value);
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// }
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// /// <summary>
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// /// 添加输出参数
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// /// </summary>
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// /// <param name="name"></param>
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// /// <param name="dbType"></param>
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// /// <param name="size"></param>
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// public DbParameter AddOutParameter(string name, DbType dbType, int size)
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// {
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// return AddParameter(name, dbType, size, ParameterDirection.Output, true, 0, 0, String.Empty, DataRowVersion.Default,
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// DBNull.Value);
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// }
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// /// <summary>
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// ///
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// /// </summary>
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// /// <param name="name"></param>
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// /// <param name="dbType"></param>
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// /// <param name="direction"></param>
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// /// <param name="sourceColumn"></param>
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// /// <param name="sourceVersion"></param>
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// /// <param name="value"></param>
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// public DbParameter AddParameter(string name, DbType dbType, ParameterDirection direction, string sourceColumn,
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// DataRowVersion sourceVersion, object value)
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// {
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// return AddParameter(name, dbType, 0, direction, false, 0, 0, sourceColumn, sourceVersion, value);
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// }
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// /// <summary>
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// /// 添加参数
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// /// </summary>
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// /// <param name="name"></param>
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// /// <param name="dbType"></param>
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// /// <param name="size"></param>
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// /// <param name="direction"></param>
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// /// <param name="nullable"></param>
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// /// <param name="precision"></param>
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// /// <param name="scale"></param>
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// /// <param name="sourceColumn"></param>
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// /// <param name="sourceVersion"></param>
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// /// <param name="value"></param>
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// protected DbParameter AddParameter(string name, DbType dbType, int size, ParameterDirection direction, bool nullable,
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// byte precision,
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// byte scale, string sourceColumn, DataRowVersion sourceVersion, object value)
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// {
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// DbParameter parameter = CreateParameter(name, dbType, size, direction, nullable, precision, scale,
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// sourceColumn, sourceVersion, value);
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// Add(parameter);
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// return parameter;
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// }
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// /// <summary>
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// /// 创建参数
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// /// </summary>
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// /// <param name="name"></param>
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// /// <param name="dbType"></param>
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// /// <param name="size"></param>
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// /// <param name="direction"></param>
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// /// <param name="nullable"></param>
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// /// <param name="precision"></param>
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// /// <param name="scale"></param>
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// /// <param name="sourceColumn"></param>
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// /// <param name="sourceVersion"></param>
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// /// <param name="value"></param>
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// /// <returns></returns>
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// protected internal DbParameter CreateParameter(string name, DbType dbType, int size, ParameterDirection direction,
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// bool nullable, byte precision,
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// byte scale, string sourceColumn, DataRowVersion sourceVersion, object value)
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// {
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// DbParameter para = DataBase.GetDbProvider(_dataBaseType).CreateParameter();
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// para.ParameterName = string.Concat(PreParaToken, name);
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// ConfigureParameter(para, dbType, size, direction, nullable, precision, scale, sourceColumn, sourceVersion,
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// value);
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// return para;
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// }
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// /// <summary>
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// /// 配置参数信息
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// /// </summary>
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// /// <param name="param"></param>
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// /// <param name="dbType"></param>
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// /// <param name="size"></param>
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// /// <param name="direction"></param>
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// /// <param name="nullable"></param>
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// /// <param name="precision"></param>
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// /// <param name="scale"></param>
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// /// <param name="sourceColumn"></param>
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// /// <param name="sourceVersion"></param>
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// /// <param name="value"></param>
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// protected virtual void ConfigureParameter(DbParameter param, DbType dbType, int size,
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// ParameterDirection direction, bool nullable, byte precision, byte scale, string sourceColumn,
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// DataRowVersion sourceVersion, object value)
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// {
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// param.DbType = dbType;
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// param.Size = size;
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// param.Value = value ?? DBNull.Value;
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// param.Direction = direction;
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// param.IsNullable = nullable;
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// param.SourceColumn = sourceColumn;
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// param.SourceVersion = sourceVersion;
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// }
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// /// <summary>
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// /// 索引器
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// /// </summary>
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// /// <param name="name"></param>
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// /// <returns></returns>
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// public DbParameter this[string name]
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// {
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// get
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// {
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// if (string.IsNullOrEmpty(name))
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// {
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// throw new ArgumentNullException("ParameterName","查询的属性名称不能为空！");
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// }
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// return Items.FirstOrDefault(dbp => dbp.ParameterName ==string.Concat(PreParaToken, name));
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// }
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// }
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// private string _preParaToken;
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// /// <summary>
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// /// 当前数据的库操作符号
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// /// </summary>
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// public String PreParaToken
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// {
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// get
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// {
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// if (string.IsNullOrEmpty(_preParaToken))
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// {
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// switch (_dataBaseType)
|
||
// {
|
||
// case DataBaseType.SqlServer:
|
||
// _preParaToken = "@";
|
||
// break;
|
||
// //case DataBaseType.Oracle:
|
||
// // _preParaToken = ":";
|
||
// // break;
|
||
// default:
|
||
// _preParaToken = string.Empty;
|
||
// break;
|
||
// }
|
||
// }
|
||
// return _preParaToken;
|
||
// }
|
||
// }
|
||
|
||
|
||
// #region 数据库类型和.net类型映射
|
||
// /// <summary>
|
||
// /// 数据库类型和.net类型映射
|
||
// /// </summary>
|
||
// private static Dictionary<Type,DbType> typeMap=new Dictionary<Type, DbType>();
|
||
// /// <summary>
|
||
// ///
|
||
// /// </summary>
|
||
// static DbParameters()
|
||
// {
|
||
// typeMap[typeof(byte)] = DbType.Byte;
|
||
// typeMap[typeof(sbyte)] = DbType.SByte;
|
||
// typeMap[typeof(short)] = DbType.Int16;
|
||
// typeMap[typeof(ushort)] = DbType.UInt16;
|
||
// typeMap[typeof(int)] = DbType.Int32;
|
||
// typeMap[typeof(uint)] = DbType.UInt32;
|
||
// typeMap[typeof(long)] = DbType.Int64;
|
||
// typeMap[typeof(ulong)] = DbType.UInt64;
|
||
// typeMap[typeof(float)] = DbType.Single;
|
||
// typeMap[typeof(double)] = DbType.Double;
|
||
// typeMap[typeof(decimal)] = DbType.Decimal;
|
||
// typeMap[typeof(bool)] = DbType.Boolean;
|
||
// typeMap[typeof(string)] = DbType.String;
|
||
// typeMap[typeof(char)] = DbType.StringFixedLength;
|
||
// typeMap[typeof(Guid)] = DbType.Guid;
|
||
// typeMap[typeof(DateTime)] = DbType.DateTime;
|
||
// typeMap[typeof(DateTimeOffset)] = DbType.DateTimeOffset;
|
||
// typeMap[typeof(TimeSpan)] = DbType.Time;
|
||
// typeMap[typeof(byte[])] = DbType.Binary;
|
||
// typeMap[typeof(byte?)] = DbType.Byte;
|
||
// typeMap[typeof(sbyte?)] = DbType.SByte;
|
||
// typeMap[typeof(short?)] = DbType.Int16;
|
||
// typeMap[typeof(ushort?)] = DbType.UInt16;
|
||
// typeMap[typeof(int?)] = DbType.Int32;
|
||
// typeMap[typeof(uint?)] = DbType.UInt32;
|
||
// typeMap[typeof(long?)] = DbType.Int64;
|
||
// typeMap[typeof(ulong?)] = DbType.UInt64;
|
||
// typeMap[typeof(float?)] = DbType.Single;
|
||
// typeMap[typeof(double?)] = DbType.Double;
|
||
// typeMap[typeof(decimal?)] = DbType.Decimal;
|
||
// typeMap[typeof(bool?)] = DbType.Boolean;
|
||
// typeMap[typeof(char?)] = DbType.StringFixedLength;
|
||
// typeMap[typeof(Guid?)] = DbType.Guid;
|
||
// typeMap[typeof(DateTime?)] = DbType.DateTime;
|
||
// typeMap[typeof(DateTimeOffset?)] = DbType.DateTimeOffset;
|
||
// typeMap[typeof(TimeSpan?)] = DbType.Time;
|
||
// }
|
||
// #endregion
|
||
|
||
|
||
|
||
// /// <summary>
|
||
// /// 将.net类型转成数据库类型
|
||
// /// </summary>
|
||
// /// <param name="type"></param>
|
||
// /// <returns></returns>
|
||
// internal static DbType ConvertToDbType(Type type)
|
||
// {
|
||
// if (type.IsEnum)
|
||
// {
|
||
// return DbType.Int32;
|
||
// }
|
||
// if (typeMap.ContainsKey(type))
|
||
// {
|
||
// return typeMap[type];
|
||
// }
|
||
// return DbType.String;
|
||
// }
|
||
//}
|
||
|
||
#endregion
|
||
|
||
}
|