excel中的数据展点，x,y,z坐标，转换到cad的dxf格式。并且在cad中显示。-The data show excel point, x, y, z coordinates, converted to cad, dxf format. And in the cad in the display.

excel 数据直接导入CAD 插入块,实现excel与CAD的链接-use EXCEL data to insert cad block into drawing