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: `e`4[I
Line # Description Format yv$MQ~]
YI%S)$
1 File Header !! Source file: file-name ;R2(Gb
>z[d~
2 Format Version Version:1.2 b#82G`6r
:^l*_v{
3 TracePro Version TracePro Version: 2 1 0 "T~Ps$
Rw$ @%o%
4 - 7 Generation data (Varies with creation program) qIb(uF@l"
>D-$M_
8+ Ray data (See below)