/// <summary>
/// 更新一条数据
/// </summary>
public static bool Update(M_HoldRule model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update HoldRule set ");
strSql.Append("LowPrice=@LowPrice,");
strSql.Append("HightPrice=@HightPrice,");
strSql.Append("NowPrice=@NowPrice,");
strSql.Append("UpdateTime=@UpdateTime");
strSql.Append(" where ID=@ID");
OleDbParameter[] parameters =
{
new OleDbParameter("@LowPrice", OleDbType.Integer, 4),
new OleDbParameter("@HightPrice", OleDbType.Integer, 4),
new OleDbParameter("@NowPrice", OleDbType.Integer, 4),
new OleDbParameter("@UpdateTime", OleDbType.Date),
new OleDbParameter("@ID", OleDbType.Integer, 4)
};
parameters[0].Value = model.LowPrice;
parameters[1].Value = model.HightPrice;
parameters[2].Value = model.NowPrice;
parameters[3].Value = model.UpdateTime;
parameters[4].Value = model.ID;
int rows = DbHelperOleDb.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public static bool Add(M_HoldRule model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into HoldRule(");
strSql.Append("LowPrice,HightPrice,NowPrice,UpdateTime)");
strSql.Append(" values (");
strSql.Append("@LowPrice,@HightPrice,@NowPrice,@UpdateTime)");
OleDbParameter[] parameters =
{
new OleDbParameter("@LowPrice", OleDbType.Integer, 4),
new OleDbParameter("@HightPrice", OleDbType.Integer, 4),
new OleDbParameter("@NowPrice", OleDbType.Integer, 4),
new OleDbParameter("@UpdateTime", OleDbType.Date)
};
parameters[0].Value = model.LowPrice;
parameters[1].Value = model.HightPrice;
parameters[2].Value = model.NowPrice;
parameters[3].Value = model.UpdateTime;
int rows = DbHelperOleDb.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public static M_HoldRule DataRowToModel(DataRow row)
{
M_HoldRule model = new M_HoldRule();
if (row != null)
{
if (row["ID"] != null && row["ID"].ToString() != "")
{
model.ID = int.Parse(row["ID"].ToString());
}
if (row["LowPrice"] != null && row["LowPrice"].ToString() != "")
{
model.LowPrice = int.Parse(row["LowPrice"].ToString());
}
if (row["HightPrice"] != null && row["HightPrice"].ToString() != "")
{
model.HightPrice = int.Parse(row["HightPrice"].ToString());
}
if (row["NowPrice"] != null && row["NowPrice"].ToString() != "")
{
model.NowPrice = int.Parse(row["NowPrice"].ToString());
}
if (row["UpdateTime"] != null && row["UpdateTime"].ToString() != "")
{
model.UpdateTime = DateTime.Parse(row["UpdateTime"].ToString());
}
}
return(model);
}
private void FrmSetHoldingRate_Load(object sender, EventArgs e)
{
M_HoldRule mhr = new M_HoldRule();
DataTable dt = HoldRule.GetList("1=1 order by UpdateTime desc").Tables[0];
if (dt.Rows.Count > 0)
{
mhr = HoldRule.DataRowToModel(dt.Rows[0]);
}
txtSZlowest.Text = mhr.LowPrice.ToString();
txtSZhighest.Text = mhr.HightPrice.ToString();
txtSZnow.Text = mhr.NowPrice.ToString();
dtpSZupdateDate.Value = mhr.UpdateTime;
}
/// <summary>
/// 获取持仓参考的值
/// </summary>
private void GetHoldRef()
{
M_HoldRule mhr = new M_HoldRule();
DataTable dt = HoldRule.GetList("1=1 order by UpdateTime desc").Tables[0];
if (dt.Rows.Count > 0)
{
mhr = HoldRule.DataRowToModel(dt.Rows[0]);
//公式：参考持仓比率=（1-（现值-最低值）/(最高值-最低值））*%100;
double holdRef = (1 - (mhr.NowPrice - mhr.LowPrice) / (mhr.HightPrice - mhr.LowPrice)) * 100;
d_holdrate = holdRef / 100;
string strHoldRef = Math.Round(holdRef, 2) + "%";
txtHoldRef.Text = strHoldRef;
}
}
private void btnCommit_Click(object sender, EventArgs e)
{
CheckData();
if (!GetData())
{
return;
}
M_HoldRule mhr = new M_HoldRule();
mhr.HightPrice = highestPrice;
mhr.LowPrice = lowestPrice;
mhr.NowPrice = nowPrice;
mhr.UpdateTime = date;
HoldRule.Add(mhr);
if (SetHoldRef != null)
{
SetHoldRef();
}
this.Close();
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public static M_HoldRule GetModel(int ID)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select ID,LowPrice,HightPrice,NowPrice,UpdateTime from HoldRule ");
strSql.Append(" where ID=@ID");
OleDbParameter[] parameters =
{
new OleDbParameter("@ID", OleDbType.Integer, 4)
};
parameters[0].Value = ID;
M_HoldRule model = new M_HoldRule();
DataSet ds = DbHelperOleDb.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
