shell学生信息管理.docx

shell学生信息管理.docx

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shell学生信息管理

insert_s（）

{

file_name="/root/aillo/students.db"

dialog--title"Student:

Insertarecord"--inputbox"Pleaseinputthestudent'sinformationinthesort:

（id,name,college）:

"20502>tmp.txt

content=$（cattmp.txt）

IFS=","

readsidsnamesin

unsetIFS

grep-c"$sid"$file_name>menu.txt

sid=$（catmenu.txt）

if["$sid"!

="0"];then

dialog--title"ERROR"--msgbox"Recordhasexisted!

"2030

else

echo"$content">>$file_name

dialog--title"ReplyInfo"--msgbox"Addsuccessfully!

"1030

fi

}

insert_c（）

{

file_name="/root/aillo/colleges.db"

dialog--title"College:

Insertarecord"--inputbox"Pleaseinputthecollege'sinformationinthesort（cid,cname）:

"20502>tmp.txt

content=$（cattmp.txt）

IFS=","

readcidcname

unsetIFS

grep-c"$cid"$file_name>tmp.txt

cid=$（cattmp.txt）

if["$cid"!

="0"];then

dialog--title"ERROR"--msgbox"Recordhasexisted!

"3050

else

echo"$content">>$file_name

dialog--title"ReplyInfo"--msgbox"Addsuccessfully!

"1030

fi

}

delete_s（）

{file_name="/root/aillo/students.db"

dialog--title"Student:

Deletearecord"--inputbox"PleaseinputtheIDofthestudentyouwanttodelete:

"20502>tmp.txt

readsid

grep-v$sid$file_name>tmp.txt

mvtmp.txt$file_name

dialog--title"ReplyInfo"--msgbox"therecordhasbeendelete!

"1030

}

delete_c（）

{file_name="/root/aillo/colleges.db"

dialog--title"College:

Deletearecord"--inputbox"PleaseinputtheIDofthecollegeyouwanttodelete:

"20502>tmp.txt

readcid

grep-v$cid$file_name>tmp.txt

mvtmp.txt$file_name

dialog--title"ReplyInfo"--msgbox"therecordhasbeendelete!

"1030

}

display_s（）

{file_name="/root/aillo/students.db"

cat$file_name|whilereadline

do

echo$line>tmp.txt

IFS=","

readsidsnamesin

echo"sid:

$sid">>t.txt

echo"sname:

$sname">>t.txt

echo"sin:

$sin">>t.txt

echo"---------------------">>t.txt

IFS=""

done

content=$（catt.txt）

dialog--title"AllStudents'Info"--msgbox"$content"5050

rmt.txt

}

display_c（）

{file_name="/root/aillo/colleges.db"

cat$file_name|whilereadline

do

echo$line>tmp.txt

IFS=","

readcidcname

echo"cid:

$cid">>t.txt

echo"cname:

$cname">>t.txt

echo"---------------------">>t.txt

IFS=""

done

content=$（catt.txt）

dialog--title"Allcolleges'Info"--msgbox"$content"5050

rmt.txt

}

count（）

{

file_name="/root/aillo/students.db"

dialog--title"Count"--inputbox"Pleaseinputtheidofcollegestudentsyouwanttocount:

"20502>tmp.txt

readp1

dialog--title"ReplyInfo"--msgbox"Thereare`grep-c$p1$file_name`studentsinthe$p1college!

"1030

}

change_s（）

{

file_name="/root/aillo/students.db"

dialog--title"ModifyStudent'sInfo"--inputbox"Pleaseinputthenewinformationyouwanttomodifyinthesort（sid,sname,sin）:

"20502>tmp.txt

IFS=","

readp1p2p3

grep-v$p1$file_name>tmp.txt

echo"$p1,$p2,$p3">>tmp.txt

IFS=""

mvtmp.txt$file_name

dialog--title"ReplyInfo"--msgbox"Theinformationhasbeenmodified!

"1030

}

change_c（）

{

file_name="/root/aillo/colleges.db"

dialog--title"ModifyCollege'sInfo"--inputbox"Pleaseinputthenewinformation:

"20502>tmp.txt

IFS=","

readp1p2

grep-v$p1$file_name>tmp.txt

echo"$p1,$p2">>tmp.txt

IFS=""

mvtmp.txt$file_name

dialog--title"ReplyInfo"--msgbox"Theinformationhasbeenmodified!

"1030

}

status=1

dialog--title"Students'InfoManageSystem"--msgbox"\\nWelccometousetheSystem!

\\n"1035

if[$?

!

=0];then

sleep1

dialog--clear

exit0

fi

while["$status"="1"]

do

dialog--title"MainMenu"--menu"Choices"152021"Student"2"College"2>tmp.txt

MY_CHOICE=$（cattmp.txt）

if[$?

!

=0];then

sleep1

dialog--clear

exit0

fi

if["$MY_CHOICE"="1"];then

dialog--title"StudentInfoManage"--menu"ChooseOperation"203071"INSERT"2"DELETE"3"MODIFY"4"COUNT"5"DISPLAY"6"BACK"7"EXIT"2>tmp.txt

if[$?

!

=0];then

sleep1

dialog--clear

exit0

fi

choice_2=$（cattmp.txt）

if["$choice_2"="1"];then

insert_s

elif["$choice_2"="2"];then

delete_s

elif["$choice_2"="3"];then

change_s

elif["$choice_2"="4"];then

count

elif["$choice_2"="5"];then

display_s

elif["$choice_2"="6"];then

continue

else

break

fi

else

dialog--title"CollegeInfoManage"--menu"ChooseOperation"203071"INSERT"2"DELETE"3"MODIFY"4"COUNT"5"DISPLAY"6"BACK"7"EXIT"2>tmp.txt

if[$?

!

=0];then

sleep1

dialog--clear

exit0

fi

choice_2=$（cattmp.txt）

if["$choice_2"="1"];then

insert_c

elif["$choice_2"="2"];then

delete_c

elif["$choice_2"="3"];then

change_c

elif["$choice_2"="4"];then

count

elif["$choice_2"="5"];then

display_c

elif["$choice_2"="6"];then

continue

else

break

fi

fi

dialog--yesno"Doyouwanttocontinue?

"1020

if[$?

=0];then

status=1

else

status=0

fi

done

sleep1

dialog--clear

exit0