/// <summary>
/// 条件比较
/// </summary>
private static bool GetTFilterOk(string where, int quoteIndex, string sign, Op op, MDataColumn mdc, out TFilter tFilter)
{
bool result = false;
tFilter = null;
int index = where.ToLower().IndexOf(sign, 0, quoteIndex > 0 ? quoteIndex : where.Length);
if (index > 0)
{
string columnAName = where.Substring(0, index).Trim();
int columnAIndex = mdc.GetIndex(columnAName);
string valueB = where.Substring(index + sign.Length).Trim(' ', '\'').Replace("''", "'");
if (op == Op.In || op == Op.NotIn)
{
valueB = ',' + valueB.TrimStart('(', ')').Replace("'", "") + ",";//去除单引号。
}
int columnBIndex = -1;
if (quoteIndex == 0 && mdc.Contains(valueB)) //判断右侧的是否列名。
{
columnBIndex = mdc.GetIndex(valueB);
}
tFilter = new TFilter(Ao.None, columnAName, columnAIndex, op, valueB, columnBIndex);
if (columnBIndex == -1 && !string.IsNullOrEmpty(Convert.ToString(valueB)))//右侧是值类型，转换值的类型。
{
if (columnAIndex > -1 && DataType.GetGroup(mdc[columnAIndex].SqlType) == 3)//bool型
{
switch (Convert.ToString(tFilter._valueB).ToLower())
{
case "true":
case "1":
case "on":
tFilter._valueB = true;
break;
case "false":
case "0":
case "":
tFilter._valueB = false;
break;
default:
tFilter._valueB = null;
break;
}
}
else
{
try
{
tFilter._valueB = StaticTool.ChangeType(tFilter._valueB, columnAIndex > -1 ? typeof(string) : mdc[columnAIndex].ValueType);
}
catch
{
}
}
}
result = true;
}
return result;
}
/// <summary>
/// 验证基础数据(数据类型、长度、是否为Null）
/// </summary>
/// <returns></returns>
public static bool ValidateData(MDataTable dt, MDataRow info)
{
bool result = true;
string[] tables = null;
List <string> requiredList = new List <string>();//必填项表。
if (info != null)
{
tables = info.Get <string>(Config_Excel.TableNames, string.Empty).Split(',');
MDataTable dtRequired = GetExcelInfo(info.Get <string>(0));//必填项表。
if (dtRequired != null && dtRequired.Rows.Count > 0)
{
dtRequired = dtRequired.Select("IsRequired=1");
if (dtRequired != null && dtRequired.Rows.Count > 0)
{
foreach (var row in dtRequired.Rows)
{
requiredList.Add(row.Get <string>("TableName") + row.Get <string>("Field"));
}
}
}
}
else
{
tables = dt.TableName.Split(',');
}
bool isOK = false;
foreach (var table in tables)//重置列头。
{
MDataColumn mdc = CYQ.Data.Tool.DBTool.GetColumns(table);
foreach (var cs in dt.Columns)
{
string[] items = cs.ColumnName.Split('.');
if (cs.TableName == table)
{
int index = mdc.GetIndex(items[items.Length - 1]);
if (index > -1)
{
isOK = true;//至少需要一个列对应上，若没有，则模板错误
cs.SqlType = mdc[index].SqlType;
cs.IsCanNull = mdc[index].IsCanNull;
if (requiredList.Contains(table + mdc[index].ColumnName))//要求必填
{
cs.IsCanNull = false;
}
cs.MaxSize = mdc[index].MaxSize;
}
}
}
}
if (!isOK)
{
return(false);
}
foreach (var row in dt.Rows)
{
StringBuilder sb = new StringBuilder();
foreach (var cell in row)
{
if (!string.IsNullOrEmpty(cell.Struct.TableName))
{
string columnName = string.IsNullOrEmpty(cell.Struct.Description) ? cell.Struct.ColumnName : cell.Struct.Description;
if (!cell.Struct.IsCanNull && cell.IsNullOrEmpty)
{
sb.AppendFormat("[{0}]不允许为空。", columnName);
cell.State = -1;
}
else if (cell.Struct.MaxSize != -1 && cell.ToString().Length > cell.Struct.MaxSize && cell.Struct.SqlType != System.Data.SqlDbType.Bit)
{
sb.AppendFormat("[{0}]长度超过{1}。", columnName, cell.Struct.MaxSize);
cell.State = -1;
}
else if (!cell.FixValue())
{
sb.AppendFormat("[{0}]数据类型错误。", columnName);
cell.State = -1;
}
}
}
if (sb.Length > 0)
{
result = false;
row.Set("错误信息", row.Get <string>("错误信息") + sb.ToString());
}
}
return(result);
}
