1260 lines
43 KiB
C#
1260 lines
43 KiB
C#
using Dapper;
|
||
using Learun.Util;
|
||
using Oracle.ManagedDataAccess.Client;
|
||
using System;
|
||
using System.Collections;
|
||
using System.Collections.Generic;
|
||
using System.Configuration;
|
||
using System.Data;
|
||
using System.Data.Common;
|
||
using System.Data.Entity;
|
||
using System.Linq;
|
||
using System.Linq.Expressions;
|
||
using System.Text;
|
||
using System.Text.RegularExpressions;
|
||
|
||
namespace Learun.DataBase.Oracle
|
||
{
|
||
/// <summary>
|
||
/// 版 本 PIT-ADMS V7.0.3 敏捷开发框架
|
||
/// Copyright (c) 2013-2018 Hexagon PPM
|
||
/// 创建人：研发部
|
||
/// 日 期：2017.03.04
|
||
/// 描 述：数据库操作类
|
||
/// </summary>
|
||
public class Database : IDatabase
|
||
{
|
||
|
||
#region 构造函数
|
||
/// <summary>
|
||
/// 构造方法
|
||
/// </summary>
|
||
/// <param name="connString">连接串</param>
|
||
public Database(string connString)
|
||
{
|
||
var obj = ConfigurationManager.ConnectionStrings[connString];
|
||
string connectionString = obj == null ? connString : obj.ConnectionString;
|
||
dbcontext = new DatabaseContext(connectionString);
|
||
}
|
||
#endregion
|
||
|
||
#region 属性
|
||
/// <summary>
|
||
/// 获取 当前使用的数据访问上下文对象
|
||
/// </summary>
|
||
public DbContext dbcontext { get; set; }
|
||
/// <summary>
|
||
/// 事务对象
|
||
/// </summary>
|
||
public DbTransaction dbTransaction { get; set; }
|
||
/// <summary>
|
||
/// 获取连接上下文
|
||
/// </summary>
|
||
/// <returns></returns>
|
||
public DbConnection getDbConnection()
|
||
{
|
||
return dbcontext.Database.Connection;
|
||
}
|
||
#endregion
|
||
|
||
#region 事物提交
|
||
/// <summary>
|
||
/// 事务开始
|
||
/// </summary>
|
||
/// <returns></returns>
|
||
public IDatabase BeginTrans()
|
||
{
|
||
if (dbcontext.Database.Connection.State == ConnectionState.Closed)
|
||
{
|
||
dbcontext.Database.Connection.Open();
|
||
}
|
||
dbTransaction = dbcontext.Database.Connection.BeginTransaction();
|
||
dbcontext.Database.UseTransaction(dbTransaction);
|
||
return this;
|
||
}
|
||
/// <summary>
|
||
/// 提交当前操作的结果
|
||
/// </summary>
|
||
public int Commit()
|
||
{
|
||
try
|
||
{
|
||
int returnValue = dbcontext.SaveChanges();
|
||
if (dbTransaction != null)
|
||
{
|
||
dbTransaction.Commit();
|
||
this.Close();
|
||
}
|
||
return returnValue;
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
if (ex.InnerException != null && ex.InnerException.InnerException is OracleException)
|
||
{
|
||
OracleException sqlEx = ex.InnerException.InnerException as OracleException;
|
||
throw ExceptionEx.ThrowDataAccessException(sqlEx, sqlEx.Message);
|
||
}
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 把当前操作回滚成未提交状态
|
||
/// </summary>
|
||
public void Rollback()
|
||
{
|
||
this.dbTransaction.Rollback();
|
||
this.dbTransaction.Dispose();
|
||
this.Close();
|
||
}
|
||
/// <summary>
|
||
/// 关闭连接 内存回收
|
||
/// </summary>
|
||
public void Close()
|
||
{
|
||
dbcontext.Dispose();
|
||
}
|
||
#endregion
|
||
|
||
#region 执行 SQL 语句
|
||
/// <summary>
|
||
/// 执行sql语句
|
||
/// </summary>
|
||
/// <param name="strSql">sql语句</param>
|
||
/// <returns></returns>
|
||
public int ExecuteBySql(string strSql)
|
||
{
|
||
try
|
||
{
|
||
return dbcontext.Database.Connection.Execute(strSql, null, dbTransaction);
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 执行sql语句(带参数)
|
||
/// </summary>
|
||
/// <param name="strSql">sql语句</param>
|
||
/// <param name="dbParameter">参数</param>
|
||
/// <returns></returns>
|
||
public int ExecuteBySql(string strSql, object dbParameter)
|
||
{
|
||
try
|
||
{
|
||
strSql = strSql.Replace("@", ":");
|
||
return dbcontext.Database.Connection.Execute(strSql, dbParameter, dbTransaction);
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
|
||
}
|
||
/// <summary>
|
||
/// 执行存储过程
|
||
/// </summary>
|
||
/// <param name="procName">存储过程名称</param>
|
||
/// <returns></returns>
|
||
public int ExecuteByProc(string procName)
|
||
{
|
||
try
|
||
{
|
||
return dbcontext.Database.Connection.Execute(procName, null, dbTransaction, null, CommandType.StoredProcedure);
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 执行存储过程
|
||
/// </summary>
|
||
/// <param name="procName">存储过程名称</param>
|
||
/// <param name="dbParameter">参数</param>
|
||
/// <returns></returns>
|
||
public int ExecuteByProc(string procName, object dbParameter)
|
||
{
|
||
try
|
||
{
|
||
return dbcontext.Database.Connection.Execute(procName, dbParameter, dbTransaction, null, CommandType.StoredProcedure);
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 执行存储过程
|
||
/// </summary>
|
||
/// <param name="procName">存储过程名称</param>
|
||
/// <returns></returns>
|
||
public T ExecuteByProc<T>(string procName) where T : class
|
||
{
|
||
try
|
||
{
|
||
return dbcontext.Database.Connection.ExecuteScalar<T>(procName, null, dbTransaction, null, CommandType.StoredProcedure);
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 执行存储过程
|
||
/// </summary>
|
||
/// <param name="procName">存储过程名称</param>
|
||
/// <param name="dbParameter">参数</param>
|
||
/// <returns></returns>
|
||
public T ExecuteByProc<T>(string procName, object dbParameter) where T : class
|
||
{
|
||
try
|
||
{
|
||
return dbcontext.Database.Connection.ExecuteScalar<T>(procName, dbParameter, dbTransaction, null, CommandType.StoredProcedure);
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 执行存储过程
|
||
/// </summary>
|
||
/// <param name="procName">存储过程名称</param>
|
||
/// <returns></returns>
|
||
public IEnumerable<T> QueryByProc<T>(string procName) where T : class
|
||
{
|
||
try
|
||
{
|
||
return dbcontext.Database.Connection.Query<T>(procName, null, dbTransaction, true, null, CommandType.StoredProcedure);
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 执行存储过程
|
||
/// </summary>
|
||
/// <param name="procName">存储过程名称</param>
|
||
/// <param name="dbParameter">参数</param>
|
||
/// <returns></returns>
|
||
public IEnumerable<T> QueryByProc<T>(string procName, object dbParameter) where T : class
|
||
{
|
||
try
|
||
{
|
||
return dbcontext.Database.Connection.Query<T>(procName, dbParameter, dbTransaction, true, null, CommandType.StoredProcedure);
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 执行存储过程（获取集）
|
||
/// </summary>
|
||
/// <param name="procName">存储过程名称</param>
|
||
/// <param name="dbParameter">参数</param>
|
||
/// <returns></returns>
|
||
public DataTable FindTableByProc(string procName, object dbParameter)
|
||
{
|
||
try
|
||
{
|
||
var IDataReader = dbcontext.Database.Connection.ExecuteReader(procName, dbParameter, dbTransaction, null, CommandType.StoredProcedure);
|
||
return SqlHelper.IDataReaderToDataTable(IDataReader);
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
#endregion
|
||
|
||
#region 对象实体 添加、修改、删除
|
||
/// <summary>
|
||
/// 插入实体数据
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="entity">实体数据</param>
|
||
/// <returns></returns>
|
||
public int Insert<T>(T entity) where T : class
|
||
{
|
||
dbcontext.Entry<T>(entity).State = EntityState.Added;
|
||
return dbTransaction == null ? this.Commit() : 0;
|
||
}
|
||
/// <summary>
|
||
/// 插入实体数据
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="entity">实体数据</param>
|
||
/// <param name="tablename">实体表名</param>
|
||
/// <returns></returns>
|
||
public int InsertByNoMap<T>(T entity, string tablename) where T : class
|
||
{
|
||
return this.InsertEntityByNoMap(entity, tablename);
|
||
}
|
||
/// <summary>
|
||
/// 批量插入实体数据
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="entities">实体数据列表</param>
|
||
/// <param name="tablename">实体表名</param>
|
||
/// <returns></returns>
|
||
public int InsertByNoMap<T>(IEnumerable<T> entities, string tablename) where T : class
|
||
{
|
||
foreach (var entity in entities)
|
||
{
|
||
this.InsertEntityByNoMap(entity, tablename);
|
||
}
|
||
return dbTransaction == null ? this.Commit() : 0;
|
||
}
|
||
/// <summary>
|
||
/// 批量插入实体数据
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="entities">实体数据列表</param>
|
||
/// <returns></returns>
|
||
public int Insert<T>(IEnumerable<T> entities) where T : class
|
||
{
|
||
foreach (var entity in entities)
|
||
{
|
||
dbcontext.Entry<T>(entity).State = EntityState.Added;
|
||
}
|
||
return dbTransaction == null ? this.Commit() : 0;
|
||
}
|
||
/// <summary>
|
||
/// 删除实体数据
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="entity">实体数据（需要主键赋值）</param>
|
||
/// <returns></returns>
|
||
public int Delete<T>(T entity) where T : class
|
||
{
|
||
dbcontext.Set<T>().Attach(entity);
|
||
dbcontext.Set<T>().Remove(entity);
|
||
return dbTransaction == null ? this.Commit() : 0;
|
||
}
|
||
/// <summary>
|
||
/// 批量删除实体数据
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="entities">实体数据列表</param>
|
||
/// <returns></returns>
|
||
public int Delete<T>(IEnumerable<T> entities) where T : class
|
||
{
|
||
foreach (var entity in entities)
|
||
{
|
||
dbcontext.Set<T>().Attach(entity);
|
||
dbcontext.Set<T>().Remove(entity);
|
||
}
|
||
return dbTransaction == null ? this.Commit() : 0;
|
||
}
|
||
/// <summary>
|
||
/// 删除表数据（根据Lambda表达式）
|
||
/// </summary>
|
||
/// <typeparam name="T"></typeparam>
|
||
/// <param name="condition"></param>
|
||
/// <returns></returns>
|
||
public int Delete<T>(Expression<Func<T, bool>> condition) where T : class, new()
|
||
{
|
||
IEnumerable<T> entities = dbcontext.Set<T>().Where(condition).ToList();
|
||
return entities.Count() > 0 ? Delete(entities) : 0;
|
||
}
|
||
/// <summary>
|
||
/// 更新实体数据
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="entity">实体数据</param>
|
||
/// <returns></returns>
|
||
public int Update<T>(T entity) where T : class
|
||
{
|
||
this.UpdateEntity(entity);
|
||
return dbTransaction == null ? this.Commit() : 0;
|
||
}
|
||
/// <summary>
|
||
/// 更新实体数据
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="entity">实体数据</param>
|
||
/// <param name="tablename">实体表名</param>
|
||
/// <param name="pkcolumn">实体主键列名</param>
|
||
/// <returns></returns>
|
||
public int UpdateByNoMap<T>(T entity, string tablename, string pkcolumn) where T : class
|
||
{
|
||
return this.UpdateEntityByNoMap(entity, tablename, pkcolumn);
|
||
}
|
||
/// <summary>
|
||
/// 批量更新实体数据
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="entities">实体数据列表</param>
|
||
/// <param name="tablename">实体表名</param>
|
||
/// <param name="pkcolumn">实体主键列名</param>
|
||
/// <returns></returns>
|
||
public int UpdateByNoMap<T>(IEnumerable<T> entities, string tablename, string pkcolumn) where T : class
|
||
{
|
||
foreach (var entity in entities)
|
||
{
|
||
this.UpdateEntityByNoMap(entity, tablename, pkcolumn);
|
||
}
|
||
return dbTransaction == null ? this.Commit() : 0;
|
||
}
|
||
/// <summary>
|
||
/// 更新实体数据
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="entity">实体数据</param>
|
||
/// <returns></returns>
|
||
public int UpdateEx<T>(T entity) where T : class
|
||
{
|
||
dbcontext.Set<T>().Attach(entity);
|
||
dbcontext.Entry(entity).State = EntityState.Modified;
|
||
return dbTransaction == null ? this.Commit() : 0;
|
||
}
|
||
/// <summary>
|
||
/// 批量更新实体数据
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="entities">实体数据列表</param>
|
||
/// <returns></returns>
|
||
public int Update<T>(IEnumerable<T> entities) where T : class
|
||
{
|
||
foreach (var entity in entities)
|
||
{
|
||
this.UpdateEntity(entity);
|
||
}
|
||
return dbTransaction == null ? this.Commit() : 0;
|
||
}
|
||
/// <summary>
|
||
/// EF更新实体
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="entity">实体数据</param>
|
||
private void UpdateEntity<T>(T entity) where T : class
|
||
{
|
||
dbcontext.Set<T>().Attach(entity);
|
||
Hashtable props = SqlHelper.GetPropertyInfo<T>(entity);
|
||
foreach (string item in props.Keys)
|
||
{
|
||
object value = dbcontext.Entry(entity).Property(item).CurrentValue;
|
||
if (value != null)
|
||
{
|
||
//如果字符串为空格，或者日期为最小日期时，更新为NULL add by chenkai 20310322
|
||
if (value.ToString() == " " || value.ToString() == "0001/1/1 0:00:00")
|
||
{
|
||
dbcontext.Entry(entity).Property(item).CurrentValue = null;
|
||
}
|
||
dbcontext.Entry(entity).Property(item).IsModified = true;
|
||
}
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// EF更新实体
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="entity">实体数据</param>
|
||
/// <param name="tablename">实体表名</param>
|
||
/// <param name="pkcolumn">实体主键列名</param>
|
||
private int UpdateEntityByNoMap<T>(T entity, string tablename, string pkcolumn) where T : class
|
||
{
|
||
string sql = $" UPDATE {tablename} SET ";
|
||
dbcontext.Set<T>().Attach(entity);
|
||
Hashtable props = SqlHelper.GetPropertyInfo<T>(entity);
|
||
Type entityType = entity.GetType();
|
||
foreach (string item in props.Keys)
|
||
{
|
||
bool clearValue = false;
|
||
if (entityType.GetProperty(item).CustomAttributes != null && entityType.GetProperty(item).CustomAttributes.ToList().Find(c => c.AttributeType.Name == typeof(NullValueAttribute).Name) != null)
|
||
{
|
||
clearValue = true;
|
||
}
|
||
|
||
object value = dbcontext.Entry(entity).Property(item).CurrentValue;
|
||
if (value != null)
|
||
{
|
||
//如果字符串为空格，或者日期为最小日期时，更新为NULL add by chenkai 20310322
|
||
if (value.ToString() == " " || value.ToString() == "0001/1/1 0:00:00")
|
||
{
|
||
dbcontext.Entry(entity).Property(item).CurrentValue = null;
|
||
}
|
||
sql += $" {item} = '{dbcontext.Entry(entity).Property(item).CurrentValue}',";
|
||
}
|
||
else if (value == null && clearValue)
|
||
{
|
||
dbcontext.Entry(entity).Property(item).CurrentValue = null;
|
||
sql += $" {item} = null,";
|
||
}
|
||
}
|
||
sql = sql.TrimEnd(',');
|
||
sql += $" WHERE {pkcolumn} = '{dbcontext.Entry(entity).Property(pkcolumn).CurrentValue}'";
|
||
return ExecuteBySql(sql);
|
||
}
|
||
/// <summary>
|
||
/// EF新增实体
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="entity">实体数据</param>
|
||
/// <param name="tablename">实体表名</param>
|
||
private int InsertEntityByNoMap<T>(T entity, string tablename) where T : class
|
||
{
|
||
string fields = "";
|
||
string values = "";
|
||
string sql = $" INSERT INTO {tablename} ";
|
||
dbcontext.Set<T>().Attach(entity);
|
||
Hashtable props = SqlHelper.GetPropertyInfo<T>(entity);
|
||
Type entityType = entity.GetType();
|
||
foreach (string item in props.Keys)
|
||
{
|
||
object value = dbcontext.Entry(entity).Property(item).CurrentValue;
|
||
if (value != null)
|
||
{
|
||
fields += $" {item},";
|
||
values += $" '{dbcontext.Entry(entity).Property(item).CurrentValue}',";
|
||
}
|
||
else if (value == null)
|
||
{
|
||
dbcontext.Entry(entity).Property(item).CurrentValue = null;
|
||
fields += $" {item},";
|
||
values += $" null,";
|
||
}
|
||
}
|
||
fields = fields.TrimEnd(',');
|
||
values = values.TrimEnd(',');
|
||
sql += $" ({fields}) VALUES ({values})";
|
||
return ExecuteBySql(sql);
|
||
}
|
||
#endregion
|
||
|
||
#region 对象实体 查询
|
||
/// <summary>
|
||
/// 查找一个实体根据主键
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="KeyValue">主键</param>
|
||
/// <returns></returns>
|
||
public T FindEntity<T>(object keyValue) where T : class
|
||
{
|
||
try
|
||
{
|
||
return dbcontext.Set<T>().Find(keyValue);
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 查找一个实体（根据表达式）
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="condition">表达式</param>
|
||
/// <returns></returns>
|
||
public T FindEntity<T>(Expression<Func<T, bool>> condition) where T : class, new()
|
||
{
|
||
try
|
||
{
|
||
return dbcontext.Set<T>().Where(condition).FirstOrDefault();
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 查找一个实体（根据sql）
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="strSql">sql语句</param>
|
||
/// <param name="dbParameter">参数</param>
|
||
/// <returns></returns>
|
||
public T FindEntity<T>(string strSql, object dbParameter = null) where T : class, new()
|
||
{
|
||
try
|
||
{
|
||
strSql = strSql.Replace("@", ":");
|
||
var data = dbcontext.Database.Connection.Query<T>(strSql, dbParameter, dbTransaction);
|
||
return data.FirstOrDefault();
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
|
||
}
|
||
/// <summary>
|
||
/// 获取IQueryable表达式
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <returns></returns>
|
||
public IQueryable<T> IQueryable<T>() where T : class, new()
|
||
{
|
||
try
|
||
{
|
||
return dbcontext.Set<T>();
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 获取IQueryable表达式(根据表达式)
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="condition">表达式</param>
|
||
/// <returns></returns>
|
||
public IQueryable<T> IQueryable<T>(Expression<Func<T, bool>> condition) where T : class, new()
|
||
{
|
||
try
|
||
{
|
||
return dbcontext.Set<T>().Where(condition);
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 查询列表（获取表所有数据）
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <returns></returns>
|
||
public IEnumerable<T> FindList<T>() where T : class, new()
|
||
{
|
||
try
|
||
{
|
||
return dbcontext.Set<T>().ToList();
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 查询列表（获取表所有数据）
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="orderby">排序</param>
|
||
/// <returns></returns>
|
||
public IEnumerable<T> FindList<T>(Func<T, object> keySelector) where T : class, new()
|
||
{
|
||
try
|
||
{
|
||
return dbcontext.Set<T>().OrderBy(keySelector).ToList();
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 查询列表根据表达式
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="condition">表达式</param>
|
||
/// <returns></returns>
|
||
public IEnumerable<T> FindList<T>(Expression<Func<T, bool>> condition) where T : class, new()
|
||
{
|
||
try
|
||
{
|
||
return dbcontext.Set<T>().Where(condition).ToList();
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 查询列表根据sql语句
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="strSql">sql语句</param>
|
||
/// <returns></returns>
|
||
public IEnumerable<T> FindList<T>(string strSql) where T : class
|
||
{
|
||
try
|
||
{
|
||
strSql = strSql.Replace("@", ":");
|
||
return dbcontext.Database.Connection.Query<T>(strSql, null, dbTransaction);
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
|
||
}
|
||
/// <summary>
|
||
/// 查询列表根据sql语句(带参数)
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="strSql">sql语句</param>
|
||
/// <param name="dbParameter">参数</param>
|
||
/// <returns></returns>
|
||
public IEnumerable<T> FindList<T>(string strSql, object dbParameter) where T : class
|
||
{
|
||
try
|
||
{
|
||
strSql = strSql.Replace("@", ":");
|
||
return dbcontext.Database.Connection.Query<T>(strSql, dbParameter, dbTransaction);
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 查询列表(分页)
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="orderField">排序字段</param>
|
||
/// <param name="isAsc">排序类型</param>
|
||
/// <param name="pageSize">每页数据条数</param>
|
||
/// <param name="pageIndex">页码</param>
|
||
/// <param name="total">总共数据条数</param>
|
||
/// <returns></returns>
|
||
public IEnumerable<T> FindList<T>(string orderField, bool isAsc, int pageSize, int pageIndex, out int total) where T : class, new()
|
||
{
|
||
try
|
||
{
|
||
string[] _order = orderField.Split(',');
|
||
MethodCallExpression resultExp = null;
|
||
var tempData = dbcontext.Set<T>().AsQueryable();
|
||
foreach (string item in _order)
|
||
{
|
||
string _orderPart = item;
|
||
_orderPart = Regex.Replace(_orderPart, @"\s+", " ");
|
||
string[] _orderArry = _orderPart.Split(' ');
|
||
string _orderField = _orderArry[0];
|
||
bool sort = isAsc;
|
||
if (_orderArry.Length == 2)
|
||
{
|
||
isAsc = _orderArry[1].ToUpper() == "ASC" ? true : false;
|
||
}
|
||
var parameter = Expression.Parameter(typeof(T), "t");
|
||
var property = typeof(T).GetProperty(_orderField);
|
||
var propertyAccess = Expression.MakeMemberAccess(parameter, property);
|
||
var orderByExp = Expression.Lambda(propertyAccess, parameter);
|
||
resultExp = Expression.Call(typeof(Queryable), isAsc ? "OrderBy" : "OrderByDescending", new Type[] { typeof(T), property.PropertyType }, tempData.Expression, Expression.Quote(orderByExp));
|
||
}
|
||
tempData = tempData.Provider.CreateQuery<T>(resultExp);
|
||
total = tempData.Count();
|
||
tempData = tempData.Skip<T>(pageSize * (pageIndex - 1)).Take<T>(pageSize).AsQueryable();
|
||
return tempData.ToList();
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 查询列表(分页)带表达式条件
|
||
/// </summary>
|
||
/// <typeparam name="T">类型</typeparam>
|
||
/// <param name="condition">表达式</param>
|
||
/// <param name="orderField">排序字段</param>
|
||
/// <param name="isAsc">排序类型</param>
|
||
/// <param name="pageSize">每页数据条数</param>
|
||
/// <param name="pageIndex">页码</param>
|
||
/// <param name="total">总共数据条数</param>
|
||
/// <returns></returns>
|
||
public IEnumerable<T> FindList<T>(Expression<Func<T, bool>> condition, string orderField, bool isAsc, int pageSize, int pageIndex, out int total) where T : class, new()
|
||
{
|
||
try
|
||
{
|
||
string[] _order = orderField.Split(',');
|
||
MethodCallExpression resultExp = null;
|
||
var tempData = dbcontext.Set<T>().Where(condition);
|
||
foreach (string item in _order)
|
||
{
|
||
string _orderPart = item;
|
||
_orderPart = Regex.Replace(_orderPart, @"\s+", " ");
|
||
string[] _orderArry = _orderPart.Split(' ');
|
||
string _orderField = _orderArry[0];
|
||
bool sort = isAsc;
|
||
if (_orderArry.Length == 2)
|
||
{
|
||
isAsc = _orderArry[1].ToUpper() == "ASC" ? true : false;
|
||
}
|
||
var parameter = Expression.Parameter(typeof(T), "t");
|
||
var property = typeof(T).GetProperty(_orderField);
|
||
var propertyAccess = Expression.MakeMemberAccess(parameter, property);
|
||
var orderByExp = Expression.Lambda(propertyAccess, parameter);
|
||
resultExp = Expression.Call(typeof(Queryable), isAsc ? "OrderBy" : "OrderByDescending", new Type[] { typeof(T), property.PropertyType }, tempData.Expression, Expression.Quote(orderByExp));
|
||
}
|
||
tempData = tempData.Provider.CreateQuery<T>(resultExp);
|
||
total = tempData.Count();
|
||
tempData = tempData.Skip<T>(pageSize * (pageIndex - 1)).Take<T>(pageSize).AsQueryable();
|
||
return tempData.ToList();
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
|
||
}
|
||
/// <summary>
|
||
/// 查询列表(分页)根据sql语句
|
||
/// </summary>
|
||
/// <typeparam name="T"></typeparam>
|
||
/// <param name="strSql">sql语句</param>
|
||
/// <param name="orderField">排序字段</param>
|
||
/// <param name="isAsc">排序类型</param>
|
||
/// <param name="pageSize">每页数据条数</param>
|
||
/// <param name="pageIndex">页码</param>
|
||
/// <param name="total">总共数据条数</param>
|
||
/// <returns></returns>
|
||
public IEnumerable<T> FindList<T>(string strSql, string orderField, bool isAsc, int pageSize, int pageIndex, out int total) where T : class
|
||
{
|
||
return FindList<T>(strSql, null, orderField, isAsc, pageSize, pageIndex, out total);
|
||
}
|
||
/// <summary>
|
||
/// 查询列表(分页)根据sql语句
|
||
/// </summary>
|
||
/// <typeparam name="T"></typeparam>
|
||
/// <param name="strSql">sql语句</param>
|
||
/// <param name="dbParameter">参数</param>
|
||
/// <param name="orderField">排序字段</param>
|
||
/// <param name="isAsc">排序类型</param>
|
||
/// <param name="pageSize">每页数据条数</param>
|
||
/// <param name="pageIndex">页码</param>
|
||
/// <param name="total">总共数据条数</param>
|
||
/// <returns></returns>
|
||
public IEnumerable<T> FindList<T>(string strSql, object dbParameter, string orderField, bool isAsc, int pageSize, int pageIndex, out int total) where T : class
|
||
{
|
||
try
|
||
{
|
||
//strSql = strSql.Replace("% @", "%@");
|
||
strSql = strSql.Replace("@", ":");
|
||
StringBuilder sb = new StringBuilder();
|
||
sb.Append(SqlHelper.OraclePageSql(strSql, orderField, isAsc, pageSize, pageIndex));
|
||
total = Convert.ToInt32(dbcontext.Database.Connection.ExecuteScalar("Select Count(1) From (" + strSql + ") t", dbParameter));
|
||
return dbcontext.Database.Connection.Query<T>(sb.ToString(), dbParameter, dbTransaction);
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
|
||
}
|
||
#endregion
|
||
|
||
#region 数据源查询
|
||
/// <summary>
|
||
/// 查询数据
|
||
/// </summary>
|
||
/// <param name="strSql">sql语句</param>
|
||
/// <returns></returns>
|
||
public DataTable FindTable(string strSql)
|
||
{
|
||
try
|
||
{
|
||
var IDataReader = dbcontext.Database.Connection.ExecuteReader(strSql, null, dbTransaction);
|
||
return SqlHelper.IDataReaderToDataTable(IDataReader);
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
|
||
}
|
||
/// <summary>
|
||
/// 查询数据
|
||
/// </summary>
|
||
/// <param name="strSql">sql语句</param>
|
||
/// <param name="dbParameter">参数</param>
|
||
/// <returns></returns>
|
||
public DataTable FindTable(string strSql, object dbParameter)
|
||
{
|
||
try
|
||
{
|
||
strSql = strSql.Replace("@", ":");
|
||
var IDataReader = dbcontext.Database.Connection.ExecuteReader(strSql, dbParameter, dbTransaction);
|
||
return SqlHelper.IDataReaderToDataTable(IDataReader);
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
|
||
}
|
||
/// <summary>
|
||
/// 查询数据
|
||
/// </summary>
|
||
/// <param name="strSql">sql语句</param>
|
||
/// <param name="orderField">排序字段</param>
|
||
/// <param name="isAsc">排序类型</param>
|
||
/// <param name="pageSize">每页数据条数</param>
|
||
/// <param name="pageIndex">页码</param>
|
||
/// <param name="total">总共数据条数</param>
|
||
/// <returns></returns>
|
||
public DataTable FindTable(string strSql, string orderField, bool isAsc, int pageSize, int pageIndex, out int total)
|
||
{
|
||
return FindTable(strSql, null, orderField, isAsc, pageSize, pageIndex, out total);
|
||
}
|
||
/// <summary>
|
||
/// 查询数据
|
||
/// </summary>
|
||
/// <param name="strSql">sql语句</param>
|
||
/// <param name="dbParameter">参数</param>
|
||
/// <param name="orderField">排序字段</param>
|
||
/// <param name="isAsc">排序类型</param>
|
||
/// <param name="pageSize">每页数据条数</param>
|
||
/// <param name="pageIndex">页码</param>
|
||
/// <param name="total">总共数据条数</param>
|
||
/// <returns></returns>
|
||
public DataTable FindTable(string strSql, object dbParameter, string orderField, bool isAsc, int pageSize, int pageIndex, out int total)
|
||
{
|
||
try
|
||
{
|
||
strSql = strSql.Replace("@", ":");
|
||
StringBuilder sb = new StringBuilder();
|
||
sb.Append(SqlHelper.OraclePageSql(strSql, orderField, isAsc, pageSize, pageIndex));
|
||
total = Convert.ToInt32(dbcontext.Database.Connection.ExecuteScalar("Select Count(1) From (" + strSql + ") t", dbParameter));
|
||
var IDataReader = dbcontext.Database.Connection.ExecuteReader(sb.ToString(), dbParameter, dbTransaction);
|
||
return SqlHelper.IDataReaderToDataTable(IDataReader);
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 获取查询对象
|
||
/// </summary>
|
||
/// <param name="strSql">sql语句</param>
|
||
/// <returns></returns>
|
||
public object FindObject(string strSql)
|
||
{
|
||
|
||
return FindObject(strSql, null);
|
||
}
|
||
/// <summary>
|
||
/// 获取查询对象
|
||
/// </summary>
|
||
/// <param name="strSql">sql语句</param>
|
||
/// <param name="dbParameter">参数</param>
|
||
/// <returns></returns>
|
||
public object FindObject(string strSql, object dbParameter)
|
||
{
|
||
try
|
||
{
|
||
strSql = strSql.Replace("@", ":");
|
||
return dbcontext.Database.Connection.ExecuteScalar(strSql, dbParameter, dbTransaction);
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
|
||
}
|
||
#endregion
|
||
|
||
#region 扩展方法
|
||
/// <summary>
|
||
/// 获取数据库表数据
|
||
/// </summary>
|
||
/// <typeparam name="T">反序列化类型</typeparam>
|
||
/// <returns></returns>
|
||
public IEnumerable<T> GetDBTable<T>() where T : class, new()
|
||
{
|
||
try
|
||
{
|
||
StringBuilder strSql = new StringBuilder();
|
||
strSql.Append(@"
|
||
select distinct col.table_name name,
|
||
0 reserved,
|
||
0 fdata,
|
||
0 index_size,
|
||
nvl(t.num_rows, 0) sumrows,
|
||
0 funused,
|
||
tab.comments tdescription,
|
||
column_name pk
|
||
from user_cons_columns col
|
||
inner join user_constraints con
|
||
on con.constraint_name = col.constraint_name
|
||
inner join user_tab_comments tab
|
||
on tab.table_name = col.table_name
|
||
inner join user_tables t
|
||
on t.TABLE_NAME = col.table_name
|
||
where con.constraint_type not in ('C', 'R') ORDER BY col.table_name
|
||
");
|
||
return dbcontext.Database.Connection.Query<T>(strSql.ToString(), null, dbTransaction);
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 获取数据库表字段数据
|
||
/// </summary>
|
||
/// <typeparam name="T">反序列化类型</typeparam>
|
||
/// <param name="tableName">表名</param>
|
||
/// <returns></returns>
|
||
public IEnumerable<T> GetDBTableFields<T>(string tableName) where T : class, new()
|
||
{
|
||
try
|
||
{
|
||
StringBuilder strSql = new StringBuilder();
|
||
strSql.Append(@"SELECT
|
||
col.column_id f_number,
|
||
col.column_name f_column,
|
||
case when (col.data_type='NUMBER' and nvl(col.DATA_SCALE,0)<>0 ) then (col.data_type||'('||col.data_precision||','||col.data_scale||')') else col.data_type end f_datatype,
|
||
case when (col.data_type='NUMBER' or COL.data_type='Varchar2') then col.data_length/2 ELSE col.data_length END f_length,
|
||
NULL f_identity,
|
||
CASE uc.constraint_type
|
||
WHEN 'P' THEN
|
||
1
|
||
ELSE
|
||
NULL
|
||
END f_key,
|
||
CASE col.nullable
|
||
WHEN 'N' THEN
|
||
0
|
||
ELSE
|
||
1
|
||
END f_isnullable,
|
||
col.data_default f_defaults,
|
||
NVL(comm.comments, col.column_name) AS f_remark
|
||
FROM
|
||
user_tab_columns col
|
||
INNER JOIN user_col_comments comm ON comm.TABLE_NAME = col.TABLE_NAME
|
||
AND comm.COLUMN_NAME = col.COLUMN_NAME
|
||
LEFT JOIN user_cons_columns ucc ON ucc.table_name = col.table_name
|
||
AND ucc.column_name = col.column_name
|
||
AND ucc.position = 1
|
||
LEFT JOIN user_constraints uc ON uc.constraint_name = ucc.constraint_name
|
||
AND uc.constraint_type = 'P'
|
||
WHERE
|
||
col.table_name = :tableName
|
||
ORDER BY
|
||
col.column_id");
|
||
return dbcontext.Database.Connection.Query<T>(strSql.ToString(), new { tableName = tableName.ToUpper() }, dbTransaction);
|
||
}
|
||
catch (Exception)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
finally
|
||
{
|
||
if (dbTransaction == null)
|
||
{
|
||
this.Close();
|
||
}
|
||
}
|
||
}
|
||
#endregion
|
||
}
|
||
}
|