新建文件夹\ex4\analyser.cpp
..........\...\ex4.dsp
..........\...\ex4.dsw
..........\...\ex4.ncb
..........\...\ex4.opt
..........\...\ex4.plg
..........\...\ex4.sln
..........\...\ex4.suo
..........\...\ex4.vcxproj
..........\...\ex4.vcxproj.filters
..........\...\ex4.vcxproj.user
..........\实验4报告.doc
..........\ex4
新建文件夹