//生成data文件数据
private void Transform_impl()
{
int iColums = mMaxColumn; //数据列数
int iRows = mMaxRow; //数据行数
TableWriter writer = new TableWriter();
writer.WriteInt32(0); //写入行数(最后计算出有效数据然后写入)
writer.WriteString(GetClassMD5Code()); //写入文件MD5码
WriteFields(writer, mFields); //写入表结构
writer.WriteInt32(mUsedCustoms.Count); //写入用到的自定义类数量
foreach (var key in mUsedCustoms)
{
writer.WriteString(key);
WriteFields(writer, mCustoms[key]);
}
List <string> keys = new List <string>();
int count = 0;
for (int i = START_ROW; i < iRows; ++i)
{
string ID = "";
for (int j = 0; j < iColums; ++j)
{
string value = mDataTable[i][j];
var field = mFields[j];
try {
if (string.IsNullOrEmpty(value))
{
value = string.IsNullOrEmpty(field.Default) ? Util.EmptyString : field.Default; //数据为空设置为默认值
}
if (j == 0)
{
if (keys.Contains(value))
{
throw new Exception(string.Format("ID有重复项[{0}]", value));
}
else if (Util.IsEmptyString(value))
{
throw new Exception("ID字段不能为空");
}
ID = value;
keys.Add(value);
}
if (ExecuteField != null)
{
ExecuteField(field, ID, ref value);
}
var basic = BasicUtil.GetType(field.Type);
if (basic != null || field.Enum)
{
if (field.Array)
{
WriteField(writer, Util.ReadValue(mEnums, mDataTable[i].RowNumber, Util.GetLineName(j), value, false, true), field);
}
else
{
WriteField(writer, value, field);
}
}
else
{
WriteCustom(writer, Util.ReadValue(mEnums, mDataTable[i].RowNumber, Util.GetLineName(j), value, true, field.Array), mCustoms[field.Type], field.Array);
}
} catch (System.Exception ex) {
throw new SystemException(string.Format("[{0}]行[{1}]列出错 数据内容为[{2}] : {3}", mDataTable[i].RowNumber, Util.GetLineName(j), value, ex.ToString()));
}
}
count++;
}
writer.Seek(0);
writer.WriteInt32(count);
Create_impl(writer.ToArray());
}