用JAVA实现的DXF文件的LIB,能实现DXF文件的显示/打印-using JAVA DXF file of the LIB, able to show the DXF file / print

DXF file read / write and manager code - use this lib with CAD DXF file format manager,DXF file read / write and manager code - use this lib with CAD DXF file format manager