你插入的是txt的光源文件吗?这样的文件内容有固定的格式的,比如: '{cIAw/"n Line # Description Format 8 ?xE6 (d(CT; 1 File Header !! Source file: file-name {i;r XY5K%dMU 2 Format Version Version:1.2 k
R?qb6 Ki;*u_4{ 3 TracePro Version TracePro Version: 2 1 0 O%\*@4zM j
*
% 4 - 7 Generation data (Varies with creation program) P0;n9>g {a =#B)6 8+ Ray data (See below)