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: 3hbUus
Line # Description Format 7P7d[KP<
D}7G|gX1
1 File Header !! Source file: file-name Hp?uYih0
L'$;;eM4
2 Format Version Version:1.2 fDIKR[B
*"K7<S[
3 TracePro Version TracePro Version: 2 1 0 d@,3P)?
?&GV~DYxA
4 - 7 Generation data (Varies with creation program) +q@g
R.B3
8+ Ray data (See below)