【文章內(nèi)容簡介】 }}printf(”n“)。Myselect函數(shù)代碼void myselect(int xueshengnumber,struct student record[100]){int i。char tempnumber[100]。printf(”請輸入要查詢的學生學號:“)。do{gets(tempnumber)。}while(strcmp(tempnumber,”“)==0)。for(i=0。iif(strcmp(record[i].number,tempnumber)==0)}break。if(i==xueshengnumber)printf(”查詢結果無此學生n“)。else{printf(”查詢結果:n“)。printf(”姓名學號英語成績物理成績n“)。printf(”%19s“,record[i].name)。printf(”%19s“,record[i].number)。printf(”%13f“,record[i].scor_eng)。printf(”%13f“,record[i].scor_math)。printf(”%13f“,record[i].scor_phy)。printf(”n“)。}}Mymodify函數(shù)代碼id mymodify(int xueshengnumber,struct student record[100]){ int i,x。char tempnumber[100],tempname[100]。float tempenglish,tempmaths,tempphysics。for(i=0。ifor(i=0。i} break。if(i==xueshengnumber)printf(”沒有查詢到此學生n“)。else{printf(”請輸入正確的學生姓名:“)。do{gets(tempname)。}while(strcmp(tempname,”“)==0)。printf(”請輸入正確的學生學號:“)。do{gets(tempnumber)。}while(strcmp(tempnumber,”“)==0)。printf(”請輸入正確的英語成績:“)。do {fflush(stdin)。x=scanf(”%f“,amp。tempenglish)。} while(tempenglish||tempenglishprintf(”請輸入正確的數(shù)學成績:“)。do{fflush(stdin)。scanf(”%f“,amp。tempmaths)。}while(tempmaths||tempmathsprintf(”請輸入正確的物理成績:“)。do {fflush(stdin)。x=scanf(”%f“,amp。tempphysics)。}while(tempphysics||tempphysicsstrcpy(record[i].name,tempname)。} }strcpy(record[i].number,tempnumber)。record[i].scor_eng=tempenglish。record[i].scor_math=tempmaths。record[i].scor_phy=tempphysics。Myadd函數(shù)代碼int myadd(int xueshengnumber,struct student record[100]){int i,x。char tempnumber[100],tempname[100]。float tempenglish,tempmaths,tempphysics。{printf(”請輸入要添加的學生學號:“)。do { }gets(tempnumber)。while(strcmp(tempnumber,”“)==0)。for(i=0。ido{ if(strcmp(record[i].number,tempnumber)==0){ printf(”該學號已存在，請重新輸入:“)。gets(tempnumber)。} if(i==xueshengnumber){printf(”請輸入要添加的學生姓名:“)。}while(strcmp(tempnumber,”“)==0)。}do{gets(tempname)。}while(strcmp(tempname,”“)==0)。printf(”請輸入要添加的英語成績:“)。do{fflush(stdin)。x=scanf(”%f“,amp。tempenglish)。}while(tempenglish||tempenglishprintf(”請輸入要添加的數(shù)學成績:“)。do{fflush(stdin)。x=scanf(”%f“,amp。tempmaths)。}while(tempmaths||tempmathsprintf(”請輸入要添加的物理成績:“)。do{fflush(stdin)。x=scanf(”%f“,amp。tempphysics)。}while(tempphysics||tempphysicsstrcpy(record[xueshengnumber].name,tempname)。}return xueshengnumber。}strcpy(record[xueshengnumber].number,tempnumber)。record[xueshengnumber].scor_eng=tempenglish。record[xueshengnumber].scor_math=tempmaths。record[xueshengnumber].scor_phy=tempphysics。xueshengnumber++。Mydelete函數(shù)代碼int mydelete(int xueshengnumber,struct student record[100]){} if(iif(i+1==xueshengnumber)xueshengnumber。else{ for(。iint i。char tempnumber[100]。printf(”請輸入要刪除的學生學號:n“)。do{ }gets(tempnumber)。while(strcmp(tempnumber,”“)==0)。for(i=0。iif(strcmp(record[i].number,tempnumber)==0)break。strcpy(record[i].name,record[i+1].name)。strcpy(record[i].number,record[i+1].number)。record[i].scor_eng=record[i+1].scor_eng。record[i].scor_math=record[i+1].scor_math。record[i].scor_phy=record[i+1].scor_phy。}} } xueshengnumber。else printf(”沒有查詢到要刪除的學生n“)。return xueshengnumber。}Mysort函數(shù)代碼void mysort(int xueshengnumber,struct student record[100]){int i,j,k。char tempnumber[100],tempname[100]。float tempenglish,tempmaths,tempphysics。printf(”按學號從小到大的排序n“)。dogets(tempnumber)。while(strcmp(tempnumber,”“)==0)。for(i=0。ik=i。for(j=i+1。j{ {if(strcmp(record[k].number,record[j].number)0)k=j。strcpy(tempnumber,record[k].number)。strcpy(record[k].number,record[i].number)。strcpy(record[i].number,tempnumber)。strcpy(tempname,record[k].name)。strcpy(record[k].name,record[i].name)。strcpy(record[i].name,tempnumber)。tempenglish=record[k].scor_eng。record[k].scor_eng=record[i].scor_eng。record[i].scor_eng=tempenglish。tempmaths=record[k].scor_math。record[k].scor_math=record[i].scor_math。record[i].scor_math=tempmaths。tempphysics=record[k].scor_phy。}printf(”顯示所有學生成績n“)。for(i=0。iprintf(”%19s“,record[i].name)。printf(”%19s“,record[i].number)。printf(”%13f“,record[i].scor_eng)。printf(”%13f“,record[i].scor_math)。printf(”%13f“,record[i].scor_phy)。printf(”n“)。}}record[k].scor_phy=record[i].scor_phy。record[i].scor_phy=tempphysics。學生成績管理系統(tǒng)include include include struct student {char name[100]。char number[100]。}。void printmenu()。int mycreat(int xueshengnumber,struct student record[100])。void myshow(int xueshengnumber,struct student record[100])。void myselect(int xueshengnumber,struct student record[100])。void mymodify(int xueshengnumber,struct student record[100])。int myadd(int xueshengnumber,struct student record[100])。int mydelete(int xueshengnumber,struct student record[100])。void mysort(int xueshengnumber,struct student record[100])。main(){ float scor_eng。float scor_math。float scor_phy。char choose,yesorno。struct student record[100]。int xueshengnumber=0。do { printmenu()。choose=getch()。while(choose39。739。||chooseprintf(”請在07之間選擇n“)。choose=getch()。}switch(choose){case 39。139。:{}xueshengnumber=mycreat(xueshengnumber,record)。break。case 39。239。:{myshow(xueshengnumber,record)。}break。case 39。339。:{}case 39。439。:{}case 39。539。:{}case 39。639。:{xueshengnumber=mydelete(xueshengnumber,record)。xueshengnumber=myadd(xueshengnumber,record)。break。mymodify(xueshengnumber,record)。break。myselect(xueshengnumber,record)。break。}break。case 39。739。:{mysort(xueshengnumber,record)。break。}case 39。039。:{} }printf(”請確定要退出系統(tǒng)嗎？“)。break。printf(”n 要繼續(xù)選擇嗎(Y/N)n“)。doyesorno=getch()。while(yesorno!=39。Y39。amp。amp。yesorno!=39。N39。amp。amp。yesorno!=39。y39。amp。amp。yesorno!=39。n39。)。}while(yesorno==39。Y39。||yesorno==39。y39。)。}void printmenu(){ printf(”||n“)。printf(”|學生成績管理系統(tǒng)，請選擇數(shù)字進行相應操作|n“)。|n”)。|n“)。|n”)。|n“)。|n”)。|n“)。|n”)。|n“)。} printf(”||n“)。printf(”|0:退出該系統(tǒng)printf(“|7:排序學生成績。printf(”|6:刪除學生成績。