private int LoadLogs(string logtype = null)
{
List <string> logTypes = WriteLog.GetLogTypes();
comboBox1.Items.Clear();
comboBox1.Items.Add("--不限--");
foreach (string logT in logTypes)
{
comboBox1.Items.Add(logT);
}
loadOver = false;
if (logtype == null)
{
comboBox1.SelectedIndex = 0;
}
else
{
comboBox1.SelectedIndex = comboBox1.Items.IndexOf(logtype);
}
loadOver = true;
string logType = null;
if (comboBox1.SelectedItem.ToString() != "--不限--")
{
logType = comboBox1.SelectedItem.ToString();
}
dataGridView1.DataSource = WriteLog.GetLogs(index, size, logType, out allCount);
pageCount = allCount / size;
int R = allCount % size;
if (R > 0)
{
pageCount++;
}
int begin = size * index;
if (pageCount == 0)
{
textBox1.Text = "0/0";
}
else
{
int r = begin + size;
if (pageCount == 1)
{
r = begin + R;
}
else if (pageCount > 1 && index == pageCount - 1)
{
if (R == 0)
{
r = begin + size;
}
else
{
r = begin + R;
}
}
textBox1.Text = Convert.ToString(begin + 1) + "-" + r + "/" + allCount + " 当前第" + (index + 1) + "页，共" + pageCount + "页(每页" + size + "条记录)";
}
return(pageCount);
}
/// <summary>
/// 执行Sql和Oracle滴混合事务
/// </summary>
/// <param name="list">SQL命令行列表</param>
/// <param name="oracleCmdSqlList">Oracle命令行列表</param>
/// <returns>执行结果 0-由于SQL造成事务失败 -1 由于Oracle造成事务失败 1-整体事务执行成功</returns>
public int ExecuteSqlTran(List <CommandInfo> list, List <CommandInfo> oracleCmdSqlList, bool backupDB = false)
{
lock (lockObj)
{
using (SqlConnection conn = HelpConnection.GetConnection(backupDB))
{
conn.Open();
SqlCommand cmd = new SqlCommand();
cmd.Connection = conn;
SqlTransaction tx = conn.BeginTransaction();
cmd.Transaction = tx;
try
{
foreach (CommandInfo myDE in list)
{
string cmdText = myDE.CommandText;
SqlParameter[] cmdParms = (SqlParameter[])myDE.Parameters;
PrepareCommand(cmd, conn, tx, cmdText, cmdParms);
if (myDE.EffentNextType == EffentNextType.SolicitationEvent)
{
if (myDE.CommandText.ToLower().IndexOf("count(") == -1)
{
tx.Rollback();
MessageBox.Show("数据库操作失败：违背要求" + myDE.CommandText + "必须符合select count(..的格式");
return(-1);
}
object obj = cmd.ExecuteScalar();
bool isHave = false;
if (obj == null && obj == DBNull.Value)
{
isHave = false;
}
isHave = Convert.ToInt32(obj) > 0;
if (isHave)
{
//引发事件
myDE.OnSolicitationEvent();
}
}
if (myDE.EffentNextType == EffentNextType.WhenHaveContine || myDE.EffentNextType == EffentNextType.WhenNoHaveContine)
{
if (myDE.CommandText.ToLower().IndexOf("count(") == -1)
{
tx.Rollback();
MessageBox.Show("数据库操作失败：违背要求" + myDE.CommandText + "必须符合select count(..的格式");
return(-1);
}
object obj = cmd.ExecuteScalar();
bool isHave = false;
if (obj == null && obj == DBNull.Value)
{
isHave = false;
}
isHave = Convert.ToInt32(obj) > 0;
if (myDE.EffentNextType == EffentNextType.WhenHaveContine && !isHave)
{
tx.Rollback();
MessageBox.Show("数据库操作失败：违背要求" + myDE.CommandText + "返回值必须大于0");
return(-1);
}
if (myDE.EffentNextType == EffentNextType.WhenNoHaveContine && isHave)
{
tx.Rollback();
MessageBox.Show("数据库操作失败：违背要求" + myDE.CommandText + "返回值必须等于0");
return(-1);
}
continue;
}
int val = cmd.ExecuteNonQuery();
if (myDE.EffentNextType == EffentNextType.ExcuteEffectRows && val == 0)
{
tx.Rollback();
MessageBox.Show("数据库操作失败：违背要求" + myDE.CommandText + "必须有影响行");
return(-1);
}
cmd.Parameters.Clear();
}
return(1);
}
catch (System.Data.SqlClient.SqlException e)
{
tx.Rollback();
WriteLog.CreateLog("数据库操作日志", "DbHelperSQL类（ExecuteSqlTran函数）:", "error", e.Message);
MessageBox.Show("数据库操作失败：" + e.Message);
return(-1);
}
catch (Exception e)
{
tx.Rollback();
WriteLog.CreateLog("数据库操作日志", "DbHelperSQL类（ExecuteSqlTran函数）:", "error", e.Message);
MessageBox.Show("数据库操作失败：" + e.Message);
return(-1);
}
}
}
}
private void 锁定ToolStripMenuItem1_Click(object sender, EventArgs e)
{
WriteLog.CreateLog(this.User.Username, "MainForm.锁定ToolStripMenuItem1", "log", "用户：" + this.User.Username);
LockSystem();
}