private sub command1_click()
L=text1.text
M=text2.text
open "e:\12.txt" for input as #1
while not eof(1)
line input #1,t
s=s & t & vbnewline
wend
close #1
s=replace(s,"321",L)
s=replace(s,"546",M)
open "e:\12.txt" for output as #1
print #1,s
close #1
end sub
你的12.txt文档的格式是什么样的?比如说每行包含哪些值,以什么符号分隔,或者说是一个不分行的文本块?