【正文】 %s,%s,%sn”,data[i].num,data[i].name,data[i].birthday,data[i].post,data[i].phone)。for(i=0。intdeletemark=0。return 0。printf(“%s,%s,%s,%s,%s,%sn”,data[i].num,data[i].name,data[i].birthday,data[i].post,data[i].phone)。scanf(“%s”,named)。printf(“%s,%s,%s,%s,%s,%sn”,data[i].num,data[i].name,data[i].birthday,data[i].post,data[i].phone)。scanf(“%s”,number)。printf(“ 請(qǐng)選擇 : n”)。printf(“n”)。} intfind_record(){ int i。j)。scanf(“%s%s%s%s%s%s”,data[i].num,data[i].name,data[i].birthday,data[i].post, data[i].phone)。} intadd_record(int flag){ int i=flag,j。j)。scanf(“%s%s%s%s%s%s”,data[i].num,data[i].name,data[i].birthday, data[i].post, data[i].phone)。} intcreate_record(){inti,j。i)。printf(“======================n”)。printf(“”)。printf(“======================n”)。printf(“ n”)。printf(“Wele!n”)。break。printf(“ ***********************************n”)。save_record(flag)。break。case 4: printf(“ ***********************************n”)。printf(“ ******* 通訊錄信息查詢(xún) *******n”)。printf(“ ***********************************************n”)。flag=create_record()。void main(){ for(。intfind_record(int flag)。intmenu_select()。char birthday[10]。fclose(fp)。t open the file.”)。isave(){ int j。printf(“tt”)。printf(“ntt電話(huà)： %s”,student[i].phone)。system(“cls”)。y39。student[num].e_mail)。scanf(“%s”,amp。printf(“ntt輸入地址:”)。student[num].name)。return a。do{ printf(“n Enter you choice(0~11):”)。printf(“tt ”)。printf(“tt ”)。printf(“*_* press any key enter menu!*_* n”)。break。break。break。for(。int dele()。int search()。FILE *fp。struct LinkList *next。char postcode[10]。（3）本系統(tǒng)可以對(duì)學(xué)生信息進(jìn)行錄入和刪除。printf(“nn”)。while(info){}。}/*輸出整個(gè)鏈表*/ void list(void){ struct address *info。}else結(jié)點(diǎn)*/{infopriornext=infonext。if(info){printf(“Deleting......n”)。}}void ddelete(struct address **start,struct address **last)/*刪除函數(shù)*/{ struct address *info。}else {(*last)next=i。iprior=NULL。start,amp。inputs(“請(qǐng)輸入宿舍樓:”,infocity,15)。/*如果分配空間失敗，退出程序*/ }printf(“輸入空姓名結(jié)束:n”)。printf(“t┃************************************************************┃n”)。printf(“t┃************************************************************┃n”)。printf(“t┃************************************************************┃n”)。void main(){int c。void insert(struct address *i,struct address **start，struct address **last)。void save()。/*首結(jié)點(diǎn)*/ struct address *last。insert(info,amp。/*如果輸入姓名為空，結(jié)束循環(huán)*/inputs(“請(qǐng)輸入院系:”,infostreet,50)。exit(0)。（1）插入學(xué)生信息void enter()/*輸入函數(shù),本函數(shù)循環(huán)輸入資料，當(dāng)輸入姓名為空時(shí)退出*/ {struct address *info。2)顯示信息———display()。2．需求分析（1）應(yīng)該包括以下功能：輸入信息、顯示信息、查找以姓名作為關(guān)鍵字、刪除信息（2）作為一個(gè)完整的系統(tǒng)，應(yīng)具有友好的界面和較強(qiáng)的容錯(cuò)能力二、概要設(shè)計(jì)本系統(tǒng)主要采用鏈表類(lèi)型來(lái)表示儲(chǔ)存“學(xué)生信息記錄系統(tǒng)”中的信息。system(“cls”)。: exit(0)。system(“cls”)。}else{system(“cls”)。639。getch()。modify(fphead)。case 39。}printf(“按任意鍵返回主菜單！n”)。}else if(f==3){fphead = open()。if(f==1){fphead = open()。n”)。system(“cls”)。}continue。}continue。}continue。:{print()。printf(“請(qǐng)選擇操作：”)。printf(“ttt4:查詢(xún)通訊錄中的記錄；nn”)。printf(“ttprintf(“ttt*主窗口菜單*nn”)。int begin = 1,f。}fclose(fp)。if((fp=fopen(“”,“rb”))!=NULL){printf(“姓名電話(huà)號(hào)碼學(xué)號(hào)住址n”)。return(fphead)。q=p。//分配空間temp = q = fphead。}struct message * open(void)//打開(kāi)文件，載入鏈表{FILE *fp。}fclose(fp)。if(rnext!=0)r = rnext。}if(strcmp(pname,sname)==0){if(p==fphead)fphead = pnext。while(strcmp(pname,sname)!=0 amp。fp = fopen(“”,“rb”)。char sname[15]。a = 1。}fclose(fp)。q = fpheadnext。scanf(“%s”,pqq)。scanf(“%s”,pphone)。printf(“%15s %15s %15s %13s %25snnnn”,pname,pphone,pnumber,pqq,paddr)。scanf(“%s”,findname)。int a = 0。a = 1。for(p=fpheadnext。char findnumber[15]。a = 1。for(p=fpheadnext。char findphone[15]。a = 1。for(p=fpheadnext。char findname[20]。system(“cls”)。}continue。fwrite(p,LEN,1,fp)。printf(“n請(qǐng)輸入:”)。printf(“n請(qǐng)輸入電話(huà)號(hào)碼:”)。:{fp=fopen(“”,“rb”)。printf(“請(qǐng)選擇操作：”)。amp。p =(struct message *)malloc(LEN)。while(num!=0){n = n+1。fwrite(p,LEN,1,fp)。printf(“n請(qǐng)輸入:”)。printf(“n請(qǐng)輸入電話(huà)號(hào)碼:”)。fp=fopen(“”,“ab”)。struct message *head。char choice[5]={39。: num = 0。239。scanf(“%s”,paddr)。scanf(“%s”,pnumber)。scanf(“%s”,pname)。139。)//判斷是否繼續(xù){printf(“n1 繼續(xù)輸入n 0 返回n”)。 amp。q = p。num = 1。scanf(“%s”,paddr)。scanf(“%s”,pnumber)。scanf(“%s”,pname)。p = q =(struct message *)malloc(LEN)。FILE *fp。void creat()//建立電話(huà)簿{int num。char addr[25]。第一篇：C語(yǔ)言大作業(yè)——學(xué)生通訊錄管理系統(tǒng)include include //define NULL 0 define LEN sizeof(struct message)struct message//定義結(jié)構(gòu)體{char name[15]。char qq[13]。int n。}。n = 0。printf(“n請(qǐng)輸入姓名:”)。printf(“n請(qǐng)輸入學(xué)號(hào):”)。printf(“n請(qǐng)輸入住址:”)。head = 0。else qnext = p。139。039。}switch(choice[0]){case 39。printf(“n請(qǐng)輸入姓名:”)。printf(“n請(qǐng)輸入學(xué)號(hào):”)。printf(“n請(qǐng)輸入住址:”)。choice[0] = 39。039。}void add()//添加通訊錄 {int num。FILE *fp。p = q =(struct message *)malloc(LEN)。scanf(“%s”,pname)。scanf(“%s”,pnumber)。scanf(“%s”,paddr)。num = 1。q = p。 amp。)否繼續(xù){printf(“n1 繼續(xù)輸入n 0 返回n”)。139。scanf(“%s”,pname)。scanf(“%s”,pnumber)。scanf(“%s”,paddr)。239。: num = 0。int a = 0。scanf(“%s”,findname)。printf(“%15s %15s %15s %13s %25sn”,pname,pphone,pnumber,pqq,