/// <summary>
/// 执行一条sql
/// </summary>
/// <param name="tansEntity"></param>
/// <returns></returns>
private static TransEntity Execute(TransEntity tansEntity)
{
try
{
var entity = new TransitEntity();
entity.ServiceName = "dbcservice";
entity.FuncName = "ExecuteNoQuery";
entity.Parameters = new Dictionary <string, string>
{
{ "1", CommonFunction.ChangArrayToStr(tansEntity.SqlString) },
{ "2", CommonFunction.ChangArrayToStr(tansEntity.ParString) }
};
List <AttachFile> tmpresult = ServiceManager.GetInstance().Commit(entity);
if (tmpresult != null && tmpresult.Count == 1)
{
var result = (string)tmpresult.ToArray()[0].AttachValue;
tansEntity.ReceiveData = new ReceiveData {
ExcuteIsComplete = result == "true" ? true : false
};
}
}
catch (Exception e)
{
MessageBox.Show(e.ToString().Split(new string[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries)[0]);
}
return(tansEntity);
}
/// <summary>
/// 执行多条SQL事务处理
/// </summary>
/// <param name="sql"></param>
/// <param name="param"></param>
/// <returns></returns>
public static bool TryExecute(string[] sql, params string[][] param)
{
var te = new TransEntity();
te.AddOperation(sql, param);
Execute(te);
return(te.ReceiveData == null ? false : te.ReceiveData.ExcuteIsComplete);
}
/// <summary>
/// SQL数据查询
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="sql"></param>
/// <param name="param"></param>
/// <returns></returns>
public static List <T> TryGetData <T>(string sql, params string[] param) where T : IEntity, new()
{
var te = new TransEntity();
te.AddOperation(sql, param);
GetData(te);
if (te.ReceiveData == null || !te.ReceiveData.ExcuteIsComplete)
{
return(null);
}
return(CommonFunction.ChangeTableToEntitys <T>(te.ReceiveData.DataTables));
}
/// <summary>
/// 获得服务器端时间
/// </summary>
/// <returns></returns>
public static DateTime GetNowDateTime()
{
var tansEntity = new TransEntity();
tansEntity.AddOperation("SELECT TO_CHAR(SYSDATE,'yyyy-MM-dd HH24:mi:ss') AS DATETIME FROM DUAL", null);
GetData(tansEntity);
if (tansEntity.ReceiveData == null)
{
return(new DateTime());
}
else
{
return(DateTime.Parse(tansEntity.ReceiveData.DataTables.Rows[0]["DATETIME"].ToString()));
}
}
/// <summary>
/// 执行SQL语句 返回单独数据
/// </summary>
/// <param name="sql"></param>
/// <param name="param"></param>
/// <returns></returns>
public static object TryGetSingleData(string sql, params string[] param)
{
var te = new TransEntity();
te.AddOperation(sql, param);
GetData(te);
if (te.ReceiveData == null || !te.ReceiveData.ExcuteIsComplete)
{
return(null);
}
else if (te.ReceiveData.DataTables.Rows.Count != 1)
{
return(null);
}
return(te.ReceiveData.DataTables.Rows[0][0]);
}
/// <summary>
/// SQL数据查询
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="sql"></param>
/// <param name="param"></param>
/// <returns></returns>
public static DataTable TryGetData(string sql, params string[] param)
{
try
{
var te = new TransEntity();
te.AddOperation(sql, param);
GetData(te);
if (te.ReceiveData == null || !te.ReceiveData.ExcuteIsComplete)
{
return(null);
}
return(te.ReceiveData.DataTables);
}
catch (Exception)
{
throw;
}
}
/// <summary>
/// 从服务端获得数据
/// </summary>
/// <returns></returns>
private static TransEntity GetData(TransEntity transEntity)
{
try
{
// 服务端暂时只支持一次一个查询sql，所以要转换回来到这个格式
string[] s = transEntity.ParString[0].Split(';');
var entity = new TransitEntity();
entity.ServiceName = "dbcservice";
entity.FuncName = "ExecuteWithResult";
entity.Parameters = new Dictionary <string, string>
{
{ "1", CommonFunction.ChangArrayToStr(transEntity.SqlString) },
{ "2", CommonFunction.ChangArrayToStr(s) }
};
List <AttachFile> tmpresult = ServiceManager.GetInstance().Commit(entity);
if (tmpresult != null && tmpresult.Count == 1)
{
transEntity.ReceiveData = new ReceiveData();
transEntity.ReceiveData.DataTables = (DataTable)tmpresult.ToArray()[0].AttachValue;
transEntity.ReceiveData.ExcuteIsComplete = true;
// 特殊处理，给返回表格增加列明，如果能分析出来的话
try
{
string sql = transEntity.SqlString[0].ToUpper().Trim();
if (sql.StartsWith("SELECT"))
{
sql = sql.Replace("SELECT", "");
string[] c = sql.Split(new[] { "FROM" }, StringSplitOptions.RemoveEmptyEntries);
string d = c[0].Trim();
c = d.Split(',');
if (transEntity.ReceiveData.DataTables.Columns.Count == 0)
{
foreach (string item in c)
{
//for (int i = 0; i < c.Length; i++)
string[] f = item.Trim().Split(' ');
if (!InChar(f[f.Length - 1]))
{
transEntity.ReceiveData.DataTables.Columns.Add();
}
}
}
int n = 0;
foreach (string item in c)
//for (int i = 0; i < c.Length; i++)
{
string[] f = item.Trim().Split(' ');
if (!InChar(f[f.Length - 1]))
{
transEntity.ReceiveData.DataTables.Columns[n].ColumnName = f[f.Length - 1];
n++;
}
}
}
}
catch (Exception e)
{
MessageBox.Show(e.ToString().Split(new string[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries)[0]);
}
}
}
catch (Exception)
{
//MessageBox.Show(e.ToString().Split(new string[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries)[0]);
throw;
}
return(transEntity);
}
/// <summary>
/// 重服务器获取数据
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="transEntity"></param>
/// <returns></returns>
public T GetSingleData <T>(TransEntity transEntity)
{
DataTable table = GetData(transEntity).ReceiveData == null ? new DataTable() : GetData(transEntity).ReceiveData.DataTables;
return((T)table.Rows[0][0]);
}
