班级信息管理系统

班级信息管理系统 include include include include struct contacks char name 10 char age 10 char sex 10 char mobile 10 char telephone 10 char Email 20 char address 20 con 50 int k 0 void enter void display void modify void del void save void query void main int a do printf n n n printf printf t twelcome to contacks system printf t t printf n n printf printf t 1 Input information printf t t t t n printf printf t 2 Display information printf t t t t n printf printf t 3 Modify information printf t t t t n printf printf t 4 Delete information printf t t t t n printf printf t 5 Save information printf t t t t n printf printf t 6 Query information printf t t t t n printf printf t 7 Exit printf t t t t n printf n printf Enter you choice scanf d switch a case 1 printf n enter break case 2 printf n display break case 3 printf n modify break case 4 printf n del break case 5 printf n save break case 6 printf n query break case 7 printf n exit 0 break default printf nThe choice is between 1 to 7 n while a 0 void enter char ch 20 printf nPlease enter the information n do printf nname scanf s con k name printf nage scanf s con k age printf nsex scanf s con k sex printf nmobile scanf s con k mobile printf ntelephone scanf s con k telephone printf nEmail scanf s con k Email printf naddress scanf s con k address k printf nDo you continue to input the information y n scanf s ch while strcmp ch y 0 strcmp ch Y 0 display void display int i printf the information is n printf name age sex mobile telephone Email address n for i 0 i k i printf n printf s s s s s s s con i name con i age con i sex con i mobile con i telephone con i Email con i address printf n printf n void modify int i char a 20 ch 10 printf nPlease enter the name scanf s a for i 0 i k i if strcmp con i name a 0 printf s s s s s s s con i name con i age con i sex con i mobile con i telephone con i E mail con i address printf nyou sure want change imformation y n scanf s ch if strcmp ch y 0 strcmp ch Y 0 printf nPlease enter the name you want to change scanf s a for i 0 i k i if strcmp con i name a 0 printf nyou sure to change the name y n scanf s ch if strcmp ch y 0 strcmp ch Y 0 printf nname scanf s con i name printf nyou sure to change the age y n scanf s ch if strcmp ch y 0 strcmp ch Y 0 printf nage scanf s con i age printf nyou sure to change the sex y n scanf s ch if strcmp ch y 0 strcmp ch Y 0 printf nsex scanf s con i sex printf nyou sure to change the mobile y n scanf s ch if strcmp ch y 0 strcmp ch Y 0 printf nmobile scanf s con i mobile printf nyou sure to change the telephone y n scanf s ch if strcmp ch y 0 strcmp ch Y 0 printf ntelephone scanf s con i telephone printf nyou sure to change the Email y n scanf s ch if strcmp ch y 0 strcmp ch Y 0 printf nEmail scanf s con i Email printf nyou sure to change the address y n scanf s ch if strcmp ch y 0 strcmp ch Y 0 printf naddress scanf s con i address display void del int i j char c 20 ch 10 printf nenter you want delete name n printf name scanf s for i 0 i k i if strcmp c con i name 0 for j i j k j con j con j 1 printf t tyou had delete the information successful s n c k display void save FILE fp int i if fp fopen tongxunlu txt w NULL printf cannot write the file n exit 0 for i 0 strlen con i name 0 i fprintf fp s s s s s s s n con i name con i age con i sex con i mobile con i telephone con i Email con i address fclose fp void query int i char a 20 printf Please input the name you want to query n scanf s a for i 0 i k i if strcmp con i name a 0 printf the information you want to query is n printf name age sex mobile