ObjectArx 统计块
#include <dbdict.h>#include <dbblocktablerecord.h>
#include <dbidmap.h>
// 计算各类块数量
std::map<std::string, int> CountBlockTypes(AcDbDatabase* pDb)
{
std::map<std::string, int> blockCount;
blockCount["普通块"] = 0;
blockCount["动态块"] = 0;
blockCount["匿名块"] = 0;
AcDbBlockTable* pBlockTable;
if (Acad::eOk == pDb->getBlockTable(pBlockTable, AcDb::kForRead))
{
for (AcDbBlockTableIterator it(*pBlockTable); !it.done(); it.next())
{
AcDbBlockTableRecordPtr pBlockRec(it.item());
if (!pBlockRec.openStatus())
continue;
// 判断是否为动态块
if (pBlockRec->isKindOf(AcDbDynBlockReference::desc()))
{
blockCount["动态块"]++;
}
else if (/* 判断是否为匿名块 */)
{
blockCount["匿名块"]++;
}
else
{
blockCount["普通块"]++;
}
pBlockRec.close();
}
pBlockTable->close();
}
return blockCount;
}
// 将统计数据导出至Excel
void ExportToExcel(const std::map<std::string, int>& blockCounts, const wchar采用t* excelFilePath)
{
// 这里假设已有一个适配器或库可以与Excel交互
ExcelAdapter adapter;
// 打开或创建Excel文件
adapter.OpenOrCreateWorkbook(excelFilePath);
// 添加新工作表
adapter.AddWorksheet("块统计");
// 写入表头
adapter.WriteCell(1, 1, L"块类型");
adapter.WriteCell(1, 2, L"数量");
// 写入统计结果
int row = 2;
for (const auto& entry : blockCounts)
{
adapter.WriteCell(row++, 1, entry.first.c采用str());
adapter.WriteCell(row++, 2, entry.second);
}
// 保存并关闭Excel文件
adapter.SaveAndClose();
}
// 使用示例
void MainProcess(AcDbDatabase* pDb)
{
auto counts = CountBlockTypes(pDb);
std::wstring excelPath(L"统计结果.xlsx"); // 替换为实际要保存的Excel文件路径
ExportToExcel(counts, excelPath);
} // 示例伪代码
std::map<std::wstring, int> blockTypeCounts;
for (AcDbBlockTableRecordIterator iter(pBlockTable, AcDb::kForRead); !iter.done(); iter.next())
{
AcDbBlockTableRecord* pBlockRec = iter.item();
if (pBlockRec->isKindOf(AcDbDynBlockReference::desc()))
{
blockTypeCounts++;
}
else if (/* 判断是否为匿名块的条件 */)
{
blockTypeCounts++;
}
else
{
// 对于非动态且非匿名的块参照,认为是普通块
blockTypeCounts++;
// 如果需要统计每个普通块引用的数量,还需要进一步遍历模型空间或布局空间等
AcDbDatabase* pDb = ...; // 获取当前数据库
AcDbIdMapping idMap;
pDb->getAllIds(idMap);
for (AcDbObjectId id : idMap.blockReferences())
{
AcDbBlockReference* pBlockRef;
if (id.openAcDbObject((AcDbObject*&)pBlockRef, AcDb::kForRead) == Acad::eOk && pBlockRec->name() == pBlockRef->blockName())
{
blockTypeCounts++; // 增加相应块引用的数量
}
if (pBlockRef != nullptr) pBlockRef->close();
}
}
pBlockRec->close();
}
页:
[1]