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121 lines
3.5 KiB
121 lines
3.5 KiB
1 year ago
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#include "mysyslib.h"
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//录入数据
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void input(ss*stu){
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char tmp[5];
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do{
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int pst = stu->nums;
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printf("Id ");
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scanf(" %s",stu->student[pst].id);
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printf("\n");
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printf("class ");
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scanf(" %s",stu->student[pst].clas);
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printf("\n");
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printf("name ");
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scanf(" %s",stu->student[pst].name);
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printf("\n");
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printf("score1 ");
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scanf("%lf",&stu->student[pst].score1);
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printf("\n");
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printf("score2 ");
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scanf("%lf",&stu->student[pst].score2);
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printf("\n");
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printf("score3 ");
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scanf("%lf",&stu->student[pst].score3);
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printf("\n");
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stu->student[pst].score = stu->student[pst].score1 + stu->student[pst].score2 + stu->student[pst].score3;
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stu->nums++;
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printf("continue?\n");
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scanf("%s",tmp);
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}while(!strcmp(tmp,"yes"));
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return;
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}
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//输出相关
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void Print(Student*student){
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printf("%s,%s,%s,%.1lf,%.1lf,%.1lf,%.1lf\n",student->id,student->clas,student->name,student->score1,student->score2,student->score3,student->score);
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}
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void allPrint(ss*stu){
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if(stu->nums){
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for(int i = 0; i < stu->nums; ++i){
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Print(&stu->student[i]);
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}
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}else{
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printf("No data exist\n");
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}
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}
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//删除学生信息
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void cancel(ss*stu){
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char* tmp = (char*)malloc(sizeof(char)*3);
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do{
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char*ID = (char*)malloc(sizeof(char)*6);
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scanf("%s",ID);
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for(int i = 0; i < stu->nums; ++i){
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if(strcmp(stu->student[i].id,ID) == 0){
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for(int j = i; j < stu->nums-1; ++j){
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stu->student[j] = stu->student[j+1];
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}
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}
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}
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stu->nums--;
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allPrint(stu);
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printf("continue?\n");
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scanf("%s",tmp);
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}while(!strcmp(tmp,"yes"));
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}
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//修改学生信息
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void ModifyInfo(Student stu->student[])
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{
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int len = stu->nums;
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Student new_stu_info;
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scanf("%s%s%s%lf%lf%lf", new_stu_info.id, new_stu_info.clas, new_stu_info.name, new_stu_info.score1, new_stu_info.score2, new_stu_info.score3);
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for (int i = 0; i < len; i++) {
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if (strcmp(new_stu_info.id, stu->student[i].id) == 0) {
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stu->student[i] = new_stu_info;
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}
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}
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char* max, min;
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strcpy(max, stu->student[0].clas);
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strcpy(min, stu->student[0].clas);
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for (int i = 0; i < len; i++) {
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if (stu->student[i].clas > max) {
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strcpy(max, stu->student[i].clas);
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}
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if (stu->student[i].clas < min) {
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strcpy(min, stu->student[i].clas);
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}
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}
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int i = 0, flag = 0;
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while (strcmp(min, max) != 1) {
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while (i < len && strcmp(min, stu->student[i++].clas) == 0) {
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if (flag == 1) {
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if (strcmp(stu->student[i].id, new_stu_info.id) == 0) {
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printf(" %s %s %lf %lf %lf modified\n", stu->student[i].id, stu->student[i].name, stu->student[i].score1, stu->student[i].score2, stu->student[i].score3);
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}
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else
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printf(" %s %s %lf %lf %lf\n", stu->student[i].id, stu->student[i].name, stu->student[i].score1, stu->student[i].score2, stu->student[i].score3);
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}
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else {
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flag = 1;
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if (strcmp(stu->student[i].id, new_stu_info.id) == 0) {
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printf("%s %s %s %lf %lf %lf modified\n", stu->student[i].clas, stu->student[i].id, stu->student[i].name, stu->student[i].score1, stu->student[i].score2, stu->student[i].score3);
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}
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else
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printf("%s %s %s %lf %lf %lf modified\n", stu->student[i].clas, stu->student[i].id, stu->student[i].name, stu->student[i].score1, stu->student[i].score2, stu->student[i].score3);
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}
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}
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min = min + 1;
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}
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}
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