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[size=150]一、安装驱动、补丁包：[/size]
ibm_db2_v9.7fp5_ntx64_server.zip，只装客户端
db2_v9.7fp11_ntx64_odbc_cli.zip，直接覆盖安装目录

[size=150]二、编译DB2驱动：[/size]
我是编译VS2022的驱动，启动VS2022中的“x86 Native Tools Command Prompt for VS 2022”命令行。
[Codebox=bash file=Untitled.bsh]
mkdir D:\qt-db2-build
cd D:\qt-db2-build

:: 编译
qt-cmake -G "Ninja Multi-Config" ^
"D:\Qt\6.9.1\Src\qtbase\src\plugins\sqldrivers" ^
-DDB2_INCLUDE_DIR="D:\Program Files\IBM\SQLLIB\include" ^
-DDB2_LIBRARY="D:\Program Files\IBM\SQLLIB\lib\db2cli64.lib" ^
-DCMAKE_INSTALL_PREFIX="D:\Qt\6.9.1\msvc2022_64" ^
-DCMAKE_CONFIGURATION_TYPES="Release;Debug"

:: 构建
cmake --build .

:: 安装 Release
cmake --install . --config Release

:: 安装 Debug
cmake --install . --config Debug

[/Codebox]

[size=150]三、看驱动目录是否有下列文件[/size]
[Codebox=text file=Untitled.txt]D:\Qt\6.9.1\msvc2022_64\plugins\sqldrivers 的目录

2026/04/06 11:30 <DIR> .
2025/05/29 13:07 <DIR> ..
2026/04/06 11:28 83,968 qsqldb2.dll
2026/04/06 11:28 2,068,480 qsqldb2.pdb
2026/04/06 11:28 273,920 qsqldb2d.dll
2026/04/06 11:28 3,248,128 qsqldb2d.pdb
2025/05/28 23:26 137,352 qsqlibase.dll
2025/05/28 23:26 485,000 qsqlibased.dll
2026/04/06 11:28 1,949,696 qsqlite.dll
2026/04/06 11:28 7,327,744 qsqlite.pdb
2026/04/06 11:28 2,665,984 qsqlited.dll
2026/04/06 11:28 6,008,832 qsqlited.pdb
2025/05/28 23:26 88,712 qsqlmimer.dll
2025/05/28 23:26 243,848 qsqlmimerd.dll
2025/05/28 23:26 128,648 qsqloci.dll
2025/05/28 23:26 398,472 qsqlocid.dll
2026/04/06 11:28 112,128 qsqlodbc.dll
2026/04/06 11:28 2,207,744 qsqlodbc.pdb
2026/04/06 11:28 361,472 qsqlodbcd.dll
2026/04/06 11:28 3,313,664 qsqlodbcd.pdb
2025/05/28 23:27 106,120 qsqlpsql.dll
2025/05/28 23:27 318,600 qsqlpsqld.dll
20 个文件 31,528,512 字节
2 个目录 341,513,039,872 可用字节
[/Codebox]