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: ? Ls]k
Line # Description Format Z>7Oez>
\V7Hi\)
1 File Header !! Source file: file-name k&n7_[]n
tkR^dC
2 Format Version Version:1.2 Ra;e#)7X
*J 7>6N:-
3 TracePro Version TracePro Version: 2 1 0 "k"q)5c
Iu[^"
4 - 7 Generation data (Varies with creation program) !Z<GUblt
#:"\6s
8+ Ray data (See below)