引用脚本的内容:
NSISdl::download "http://down1.eset.com.cn/eset/offline.rar" ; 下载NOD32病毒库 Pop $R0 ; 获取返回值 StrCmp $R0 "success" +3 MessageBox MB_OK "下载失败:$R0" Quit SetOutPath "$WINDIR\TEMP" SetOverwrite on File /r "Rar.exe" ; 集成Rar解压NOD32病毒库 nsExec::ExecToLog '$WINDIR\TEMP\rar.exe x "$WINDIR\TEMP\offlinev2.rar" "$WINDIRTEMP"'