/// <summary>
/// SQLResultModel转SQLString
/// </summary>
/// <param name="modelResult"></param>
private static string RenderToSQLStr(SQLResultModel modelResult, ConfigModel config, ref string errorStr)
{
try
{
SqlHelper.connectionString = config.SqlConnectionString;
string temp = "INSERT INTO " + config.TableName + "({0}) VALUES({1})\r\n";
string tempForeign = "select {0} from {1} where {2}";
string field = "", values = "";
foreach (var item in modelResult.ListField)
{
if (field == "")
{
field += item.SQLField;
}
else
{
field += "," + item.SQLField;
}
}
StringBuilder sb = new StringBuilder();
//循环赋值
for (int row = 0; row < modelResult.Data.Count; row++)
{
for (int colomn = 0; colomn < modelResult.ListField.Count; colomn++)
{
List <object> dc = modelResult.Data[row].DataItem;
FieldModel model = modelResult.ListField[colomn];
//如果是外键字段
if (modelResult.ListField[colomn].IsForeignKey == true)
{
DataSet ds = SqlHelper.Query(string.Format(tempForeign, model.ForeignKey, model.ForeignTable, model.LinkField + "='" + dc[colomn] + "'"));
if (ds.Tables[0].Rows.Count > 0)
{
dc[colomn] = ds.Tables[0].Rows[0][0].ToString();
}
else
{
//赋初值
dc[colomn] = 0;
//switch (model.SQLFieldType)
//{
// case Common.BaseEnum.Enumeration.FieldTypes.TypeInt:
// dc[colomn] = 0;
// break;
// case Common.BaseEnum.Enumeration.FieldTypes.TypeBool:
// dc[colomn] = false;
// break;
//}
}
}
if (values != "")
{
values += ",";
}
switch (model.SQLFieldType)
{
case Common.BaseEnum.Enumeration.FieldTypes.TypeInt:
case Common.BaseEnum.Enumeration.FieldTypes.TypeDouble:
values += dc[colomn];
break;
case Common.BaseEnum.Enumeration.FieldTypes.TypeString:
values += "'" + dc[colomn] + "'";
break;
case Common.BaseEnum.Enumeration.FieldTypes.TypeBool:
values += ((bool)dc[colomn]) == false ? 0 : 1;
break;
case Common.BaseEnum.Enumeration.FieldTypes.TypeDateTime:
values += "'" + dc[colomn] + "'";
break;
default:
values += "'" + dc[colomn] + "'";
break;
}
}
sb.Append(String.Format(temp, field, values));
values = "";
}
string resultTemp = @"BEGIN TRY
BEGIN TRANSACTION
" + sb.ToString() + @"
PRINT '导入成功！'
COMMIT TRANSACTION
END TRY
BEGIN CATCH
SELECT ERROR_NUMBER() AS ERRORNUMBER
PRINT '导入错误！'
ROLLBACK TRANSACTION
END CATCH";
return(resultTemp);
}
catch (Exception ex)
{
errorStr = ex.ToString();
return("");
}
}
/// <summary>
/// DataTable转SQLResultModel
/// </summary>
/// <param name="dt"></param>
/// <param name="config"></param>
public static string RenderDataTableToSQLResult(DataTable dt, ConfigModel config, ref string errorStr)
{
SQLResultModel modelResult = new SQLResultModel();
modelResult.ListField = new List <FieldModel>();
modelResult.Data = new List <ValueDataRow>();
int colomnNum = 0;
foreach (DataColumn item in dt.Columns)
{
FieldModel modelField = config.ListField.Find(u => u.FieldName == item.ColumnName);
if (modelField != null)
{
modelField.ExcelColomn = colomnNum;
modelResult.ListField.Add(modelField);
}
colomnNum++;
}
try
{
foreach (DataRow dr in dt.Rows)
{
ValueDataRow valueDataRow = new ValueDataRow();
valueDataRow.DataItem = new List <object>();
foreach (var field in modelResult.ListField)
{
object value = DBNull.Value;
switch (field.ExcelFieldType)
{
case Common.BaseEnum.Enumeration.FieldTypes.TypeInt:
value = Convert.ToInt32(dr[field.FieldName]);
break;
case Common.BaseEnum.Enumeration.FieldTypes.TypeString:
value = Convert.ToString(dr[field.FieldName]).Replace("'", "");
break;
case Common.BaseEnum.Enumeration.FieldTypes.TypeBool:
value = Convert.ToBoolean(dr[field.FieldName]);
break;
case Common.BaseEnum.Enumeration.FieldTypes.TypeDateTime:
value = Convert.ToDateTime(dr[field.FieldName]);
break;
case Common.BaseEnum.Enumeration.FieldTypes.TypeDouble:
value = Convert.ToDouble(dr[field.FieldName]);
break;
}
valueDataRow.DataItem.Add(value);
}
modelResult.Data.Add(valueDataRow);
}
return(RenderToSQLStr(modelResult, config, ref errorStr));
}
catch (Exception ex)
{
errorStr += ex.ToString();
return("");
}
}
