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include \"stdio.h\" /*I/O函数*/ #include \"stdlib.h\" /*其它说明*/ #include \"string.h\" /*字符串函数*/ #include \"conio.h\" /*屏幕操作函数*/ #include \"mem.h\" /*内存操作函数*/ #include \"ctype.h\" /*字符操作函数*/ #include \"alloc.h\" /*动态地址分配函数*/ struct score {

int mingci; char xuehao[8]; char mingzi[20]; float score[6]; }data,info[1000]; int i,j,k=0; char temp[20],ch; FILE *fp,*fp1;

void shuru() {

if((fp=fopen(\"s_score.txt\{

printf(\"cannot open this file.\\n\"); getch();exit(0); }

for(i=0;i<=1000;i++)

{

printf(\"\\nPlease shuru xuehao:\"); gets(data.xuehao);

printf(\"Please shuru mingzi:\"); gets(data.mingzi);

printf(\"Please shuru yuwen score:\"); gets(temp);data.score[0]=atof(temp); printf(\"Please shuru shuxue score:\"); gets(temp);data.score[1]=atof(temp); printf(\"Please input yingyu score:\"); gets(temp);data.score[2]=atof(temp); printf(\"Please shuru wuli score:\");

gets(temp);data.score[3]=atof(temp); printf(\"Please shur huaxue score:\"); gets(temp);data.score[4]=atof(temp);

data.score[5]=data.score[0]+data.score[1]+data.score[2]+data.score[3]+data.score[4];

fwrite(&data,sizeof(data),1,fp); printf(\"another?y/n\"); ch=getch(); if(ch=='n'||ch=='N') break; } fclose(fp); }

void xianshi() {

float s;int n;

if((fp=fopen(\"s_score.txt\ {

printf(\"Cannot reading this file.\\n\"); exit(0); }

for(i=0;i<=1000;i++) {

if((fread(&info[i],sizeof(info[i]),1,fp))!=1) break; }

printf(\"\\nxuehao mingzi yuwen shuxue yingyu wuli huauxue zhongfen\\n\");

for(j=0,k=1;jinfo[j].mingci=k;

printf(\"%6s %8s %3.1f %3.1f %3.1f %3.1f %3.1f %3.1f\\n\info[j].xuehao,info[j].mingzi,info[j].score[0],info[j].score[1],info[j].score[2],info[j].score[3],info[j].score[4], info[j].score[5]); } getch();

fclose(fp); }

void xiugai() {

if((fp=fopen(\"s_score.txt\L) {

printf(\"Cannot open this file.\\n\"); exit(0); }

printf(\"\\nPLease shuru xiugai xuehao:\"); scanf(\"%d\

while((fread(&data,sizeof(data),1,fp))==1) {

j=atoi(data.xuehao); if(j==i)

{

printf(\"xuehao:%s\\nmingzi:%s\\n\ printf(\"Please shuru mingzi:\"); gets(data.mingzi);

printf(\"Please shuru yuwen score:\"); gets(temp);data.score[0]=atof(temp); printf(\"Please shuru shuxue score:\"); gets(temp);data.score[1]=atof(temp); printf(\"Please input yingyu score:\"); gets(temp);data.score[2]=atof(temp); printf(\"Please input wuli score:\"); gets(temp);data.score[3]=atof(temp); printf(\"Please input huaxue score:\"); gets(temp);data.score[4]=atof(temp);

data.score[5]=data.score[0]+data.score[1]+data.score[2]+data.score[3]+data.score[4];

} fwrite(&data,sizeof(data),1,fp1); }

fseek(fp,0L,0);

fseek(fp1,0L,0);

while((fread(&data,sizeof(data),1,fp1))==1) {

fwrite(&data,sizeof(data),1,fp); }

fclose(fp); fclose(fp1); }

void chazhao() {

if((fp=fopen(\"s_score.txt\ {

printf(\"\\nCannot open this file.\\n\"); exit(0); }

printf(\"\\nPLease shuru xuehao chakan:\"); scanf(\"%d\

while(fread(&data,sizeof(data),1,fp)==1) {

j=atoi(data.xuehao); if(i==j) {

printf(\"xuehao:%s mingzi:%s\\nyuwen:%f\\n shuxue:%f\\n yingyu:%f\\n wuli:%f\\n huaxue:%f\\n

\e[3],data.score[4],data.score[5]); }getch(); } }

void shanchu()

{

if((fp=fopen(\"s_score.txt\L)

{

printf(\"\\nopen score.txt was failed!\"); getch();

exit(0);

}

printf(\"\\nPlease input ID which you want to del:\"); scanf(\"%d\

while((fread(&data,sizeof(data),1,fp))==1) {

j=atoi(data.xuehao); if(j==i) {

printf(\"Anykey will delet it.\\n\"); getch(); continue; }

fwrite(&data,sizeof(data),1,fp1); }

fclose(fp); fclose(fp1);

remove(\"s_score.txt\");

rename(\"temp.txt\ printf(\"Data delet was succesful!\\n\"); printf(\"Anykey will return to main.\"); getch(); } main() {

while(1) {

clrscr(); /*清屏幕*/

gotoxy(1,1); /*移动光标*/

textcolor(YELLOW); /*设置文本显示颜色为黄色*/ textbackground(BLUE); /*设置背景颜色为蓝色*/

window(1,1,99,99); /* 制作显示菜单的窗口,大小根据菜单条数设计*/

clrscr();

printf(\"*************welcome to use student manage******************\\n\"); printf(\"*************************menu********************************\\n\"); printf(\"*

========================================================= * \\n\");

printf(\"* 1>shuru 2>xiugai * \\n\");

printf(\"* 3>shanchu 4>chazhao * \\n\");

printf(\"* 5>xianshi 6>exit * \\n\");

printf(\"* \\n\");

printf(\"* --------------------------------------------------------- * printf(\" Please input which you want(1-6):\"); ch=getch(); switch(ch) {

case '1':shuru();break; case '2':xiugai(); break; case '3':shanchu(); break; case '4':chazhao(); break; case '5':xianshi(); break; case '6':exit(0); default: continue; } }

\\n\"); *

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