txt操作主要用于长sql\txtEdit.bdsproj
....................\txtEdit.bdsproj.local
....................\txtEdit.cfg
....................\txtEdit.dpr
....................\txtEdit.dproj
....................\txtEdit.dproj.local
....................\txtEdit.exe
....................\txtEdit.identcache
....................\txtEdit.res
....................\Unit4.dcu
....................\Unit4.dfm
....................\Unit4.pas
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....................\ModelSupport_txtEdit
....................\__history
txt操作主要用于长sql