Delphi:delphi 7 mongodb driver源码包，自己编译成功的c driver，然后用delphi 调用mongoc.dll，这个是官方用delphi包装的c 库调用-Delphi: delphi 7 mongodb driver source package, compile their own success c driver, then call mongoc.dll with delphi, this is the c library with delphi call the official package