/* BLOB字段的读取: */
TBlobSTream* TemplateStream;
char* TempPlatePtr;
TemplateStream = new TBlobStream((TBlobField*)WebQuery->FieldByName("SearchTem"),bmReadWrite);
TemplatePtr = new char[TemplateStream->Size];
TemplateStream->Read(TemplatePtr, TemplateStream->Size);
/* BLOB字段的写入:*/
TBlobSTream* TemplateStream;
char* TempPlatePtr;
TemplateStream = new TBlobStream((TBlobField*)WebQuery->FieldByName("SearchTem"),bmReadWrite);
TemplatePtr = new char[TemplateStream->Size];
TemplateStream->Write(TemplatePtr, TemplateStream->Size);
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补充:
获得字段的大小用函数datalength