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电梯直达

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发表于 2004-02-24 00:15 |只看该作者 |倒序浏览

用UNIX B Shell实现光带选择菜单，有谁还有更好的办法吗？

:
#-------光带菜单--2000.9.1--------------------
SSTTY=`stty -g`
ESC=''  #ESC键
tput init
SM=`tput smso`
RM=`tput rmso`
AA_A_A=" A 我的业务 (Bxdo.....)";AA_B_F="sfbxdo" #菜单项;执行命令
BB_A_B=" B 终端管理 (Tty......)";BB_B_F="sfkish"
CC_A_C=" C 关闭系统 (Shutdown.)";CC_B_F="sfshut"
DD_A_D=" D 重新启动 (Reboot...)";DD_B_F="sfboot"
EE_A_E=" E 操作系统 (System...)";EE_B_F="nssff"
FF_A_F=" F 其他 (Other....)";FF_B_F="ccddm"
GG_A_G=" G 退出 (Exit.....)";GG_B_F="exit"

AA_A="`tput cup 10 25`${AA_A_A}"    # 菜单定位
BB_A="`tput cup 11 25`${BB_A_B}"
CC_A="`tput cup 12 25`${CC_A_C}"
DD_A="`tput cup 13 25`${DD_A_D}"
EE_A="`tput cup 14 25`${EE_A_E}"
FF_A="`tput cup 15 25`${FF_A_F}"
GG_A="`tput cup 16 25`${GG_A_G}"

AA_B="`tput cup 10 25`${SM}${AA_A_A}${RM}"    #高亮菜单定位
BB_B="`tput cup 11 25`${SM}${BB_A_B}${RM}"
CC_B="`tput cup 12 25`${SM}${CC_A_C}${RM}"
DD_B="`tput cup 13 25`${SM}${DD_A_D}${RM}"
EE_B="`tput cup 14 25`${SM}${EE_A_E}${RM}"
FF_B="`tput cup 15 25`${SM}${FF_A_F}${RM}"
GG_B="`tput cup 16 25`${SM}${GG_A_G}${RM}"

CCDD='X1'
trap "stty echo;stty icanon;stty $SSTTY;exit" 1 2 3 15
tput clear
cat <<HELLO
`tput cup 5 1` #从第5排开始显示

                        ＵＮＩＸ系统管理

         ┏━━━━┯━━━━━━━━━━━━┯━━━━┓
         ┃       │${AA_A_A}│       ┃
         ┃       │${BB_A_B}│       ┃
         ┃       │${CC_A_C}│       ┃
         ┃       │${DD_A_D}│       ┃
         ┃       │${EE_A_E}│       ┃
         ┃       │${FF_A_F}│       ┃
         ┃       │${GG_A_G}│       ┃
         ┠────┴────────────┴────┨
         ┃                                        ┃
         ┗━━━━━━━━━━━━━━━━━━━━━━┛
HELLO

while true
do
[ "$CCDD" = "[D" ] && CCDD="[A"    #光标键选择
[ "$CCDD" = "[A" ] && {
SUM=`expr $SUM - 1`
[ $SUM -eq 0 ] && SUM=7
CCDD="X$SUM"
}
[ "$CCDD" = "[C" ] && CCDD="[B"
[ "$CCDD" = "[B" ]  && {
SUM=`expr $SUM + 1`
[ $SUM -eq 8 ] && SUM=1
CCDD="X$SUM"
}
DDOO="Y$SUM"
case $CCDD in
X1 ) echo "$GG_A$AA_B$BB_A";;
X2 ) echo "$AA_A$BB_B$CC_A";;
X3 ) echo "$BB_A$CC_B$DD_A";;
X4 ) echo "$CC_A$DD_B$EE_A";;
X5 ) echo "$DD_A$EE_B$FF_A";;
X6 ) echo "$EE_A$FF_B$GG_A";;
X7 ) echo "$FF_A$GG_B$AA_A";;
'' ) stty echo
      stty icanon
      stty $SSTTY
      tput cup 22 2
      case $DDOO in
        Y1 ) $AA_B_F
CCDD='X1';;
   Y2 ) $BB_B_F
CCDD='X2';;
   Y3 ) $CC_B_F
CCDD='X3';;
   Y4 ) $DD_B_F
CCDD='X4';;
   Y5 ) $EE_B_F
CCDD='X5';;
   Y6 ) $FF_B_F
CCDD='X6';;
   Y7 ) break 2;;
      * ) CCDD='X7';;
      esac
      continue 2;;
   * ) stty echo
      stty icanon
      stty $SSTTY
      tput cup 22 2
      case $CCDD in
   a|A ) $AA_B_F
CCDD='X1'
SUM=1;;
   b|B ) $BB_B_F
CCDD='X2'
SUM=2;;
   c|C ) $CC_B_F
CCDD='X3'
SUM=3;;
   d|D ) $DD_B_F
CCDD='X4'
SUM=4;;
   e|E ) $EE_B_F
CCDD='X5'
SUM=5;;
   f|F ) $FF_B_F
CCDD='X6'
SUM=6;;
   g|G|q|Q ) break 2;;
            * ) CCDD='X7'
      SUM=7;;
      esac
      continue 2;;
esac
CCDD=
ccdd_a=
ccdd_b=
stty -icanon #消除回车
stty min 1
stty time 0
stty -echo
ccdd_a=`dd if=/dev/tty bs=1 count=1 2>/dev/null`
[ "$ccdd_a" = "$ESC" ] && ccdd_b=`dd if=/dev/tty bs=1 count=2 2>/dev/null`  #光标键选择处理
CCDD="$ccdd_a$ccdd_b"
stty icanon
stty $SSTTY
done
done 2>/dev/null