成绩管理程序.doc

成绩管理系统 设计题目：设计一个小型 #includestudent.h int numStus=0; StuInfo*records=NULL; char saveTag=0; int arraySize; char*subject[]={chinese,math,English,physics,chemistry}; int main() {records=(StuInfo*)malloc(sizeof(StuInfo)*INITIAL_SIZE);/**/ if(records==NULL) {printf(memory fail!); exit(-1);} arraySize=INITIAL_SIZE; printf(\n); handle_menu();} /**/ int menu_select() {int i; printf(welcome to chengji guanli xitong\n); printf(\t0:new chengji\n);/**/ printf(\t1:show chengji\n);/**/ printf(\t2:shengxu\n);/**/ printf(\t3:add chengji\n);/**/ printf(\t4:search chengji\n);/**/ printf(\t5:chaxun chengji\n);/**/ printf(\t6:xiugai chengji\n);/**/ printf(\t7:delete chengji\n);/**/ printf(\t8:copy chengji \n);/**/ printf(\t9:paixu chengji\n);/**/ printf(\t10:input chengji\n);/**/ printf(\t11:output chengji\n);/**/ printf(\t12:quit\n);/**/ printf(select a choice:); scanf(%d,i); printf(%d\n,i); return i;} void handle_menu() {int menu_select(); for( ; ;) {switch(menu_select()) {case 0:newRecords();break; case 1:display();break; case 2:break; case 3:addRecords();break; case 4:break; case 5:queryInfo();break; case 6:modifyRecord();break;/**/ case 7:removeRecord();break; case 8:break; case 9:sortInfo();break; case 10:saveRecords();break; case 11:loadRecords();break; case 12:quit();break;} }} void newRecords() {char str[5]; if(numStus!=0) { if(saveTag==1) {printf(there are recprds,make a choic); printf(whether record or not\n); gets(str); if(str[0]!=nstr[0]!=N) saveRecords();}} numStus=0; addRecords();} void quit() {char str[5]; if(saveTag==1) {printf(whether save records? Y/n); gets(str); if(str[0]!=nstr[0]!=N) saveRecords();} free(records); exit(0); } void showTable() {int j; printf(nunbers\tname\tsex); for(j=0;jNUM_SUBJECT;j++) printf(\t%s,subject[j]); printf(\tsum\taverage\tindex\n); } /**/ void display(void) {int i,j; if(numStus==0) {printf(there are no records); return;} showTable(); for(i=0;inumStus;i++) { printf(%s\t%s\t%s,records[i].number,records[i].name,records[i].gender); for(j=0;j