/// <summary>
/// 查询单个实体
/// </summary>
/// <param name="item">框架实体</param>
/// <returns>单个对象</returns>
public T SelectModel(FrameWorkItem item)
{
try
{
var sql = DalAid.CreatePageQuerySql(item.Sql, null, dbType);
using (var connection = GetDbConnection(item.ConnectionString))
{
using (var cmd = GetDbCommand(sql, connection, item.SqlParam))
{
using (IDataReader dr = cmd.ExecuteReader())
{
if (dr != null && dr.Read())
{
return(DynamicBuilderEntity <T> .CreateBuilder(dr).Build(dr));
}
}
}
}
}
catch (Exception ex)
{
throw ex;
}
finally
{
}
return(default(T));
}
/// <summary>
/// 查询表格数据
/// </summary>
/// <param name="item">框架实体</param>
/// <param name="dp">分页对象</param>
/// <returns></returns>
public DataTable SelectDataTable(FrameWorkItem item, DataPage dp = null)
{
DataTable result = new DataTable();
try
{
var sql = DalAid.CreatePageQuerySql(item.Sql, dp, dbType);
using (var connection = GetDbConnection(item.ConnectionString))
{
using (var cmd = GetDbCommand(sql, connection, item.SqlParam))
{
using (IDataReader dr = cmd.ExecuteReader())
{
var datasSet = dr.ToDataSet();
if (datasSet.Tables.Count > 0)
{
result = datasSet.Tables[0];
}
return(result);
}
}
}
}
catch (Exception ex)
{
throw ex;
}
finally
{
}
}
/// <summary>
/// 查询集合，带分页
/// </summary>
/// <param name="item">框架实体</param>
/// <param name="isAutoParam">是否自动匹配参数</param>
/// <param name="dp">分页对象</param>
/// <returns>对象集合</returns>
public List <To> SelectList <To>(FrameWorkItem item, DataPage dp = null, bool isAutoParam = false) where To : new()
{
try
{
var sql = DalAid.CreatePageQuerySql(item.Sql, dp, dbType);
var param = item.SqlParam;
if (isAutoParam)
{
var where = GetWhere(item.SqlParam);
sql += where.Item1;
param = where.Item2;
}
using (var connection = GetDbConnection(item.ConnectionString))
{
using (var cmd = GetDbCommand(sql, connection, param))
{
using (IDataReader dr = cmd.ExecuteReader())
{
List <To> list = new List <To>();
if (dp != null && dp.PageSize > 0)
{
int result = GetResult <int>(string.Format("SELECT COUNT(1) FROM ({0}) a", item.Sql), item.ConnectionString, item.SqlParam);
dp.RowCount = result;
}
var builders = DynamicBuilderEntity <To> .CreateBuilder(dr);
while (dr != null && dr.Read())
{
To tempT = new To();
tempT = builders.Build(dr);
list.Add(tempT);
}
return(list);
}
}
}
}
catch (Exception ex)
{
throw ex;
}
finally
{
}
}
