Update 简易学籍系统.c

简易学籍系统.c

@@ -10,12 +10,14 @@ typedef struct {
     float gaoshu;
     float wuli;
     float yingyu;
+    int banji;
 } Student;
 
 Student students[MAX_STUDENTS];
 int studentCount = 0;
 
 void addStudent() {
+	char panduan;
 	printf("You are trying to Input info\n");
     if (studentCount >= MAX_STUDENTS) {
         printf("Cannot add more students. Maximum limit reached.\n");
@@ -26,6 +28,8 @@ void addStudent() {
     scanf("%d", &newStudent.id);
     printf("Enter Name: ");
     scanf("%s", newStudent.name);
+    printf("Enter Class: ");
+    scanf("%d",&newStudent.banji);
     printf("Enter 高数成绩: ");
     scanf("%f", &newStudent.gaoshu);
     printf("Enter 物理成绩: ");
@@ -35,6 +39,8 @@ void addStudent() {
 
     students[studentCount++] = newStudent;
     printf("Student added successfully!\n");
+    printf("continue?");
+	
 }
 
 void deleteStudent() {
@@ -57,16 +63,59 @@ void deleteStudent() {
     printf("Student not found!\n");
 }
 
-void displayStudents() {
+void selectStudent(){
+	int xuan;
+	printf("Input Id or Class:");
+	scanf("%d",&xuan);
+	 for (int i = 0; i < studentCount; i++) {
+	 	if(xuan==students[i].id||xuan==students[i].banji)
+	 	{
+	 		printf("%d\t%s\t%d\t%.2f\t%.2f\t%.2f\t%.2f\n", students[i].id, students[i].name, students[i].banji,students[i].gaoshu,students[i].wuli,students[i].yingyu,students[i].gaoshu+students[i].wuli+students[i].yingyu);
+		}
+	}
+	printf("continue?");
+}
+
+void orderStudents() {
+    int i, j;
+    Student temp;
+    for (i = 0; i < studentCount - 1; i++) {
+        for (j = i + 1; j < studentCount; j++) {
+            if (students[i].banji > students[j].banji) {
+                temp = students[i];
+                students[i] = students[j];
+                students[j] = temp;
+            } 
+            else if (students[i].banji == students[j].banji) {
+                float totalScoreI = students[i].gaoshu + students[i].wuli + students[i].yingyu;
+                float totalScoreJ = students[j].gaoshu + students[j].wuli + students[j].yingyu;
+                if (totalScoreI < totalScoreJ) {
+                    temp = students[i];
+                    students[i] = students[j];
+                    students[j] = temp;
+                }
+            }
+        }
+    }
+    printf("ID\tName\t班级\t高数成绩\t物理成绩\t英语成绩\t总成绩\n");
+    for (int i = 0; i < studentCount; i++) 
+	{
+        printf("%d\t%s\t%d\t%.2f\t\t%.2f\t\t%.2f\t\t%.2f\n", students[i].id, students[i].name, students[i].banji,students[i].gaoshu,students[i].wuli,students[i].yingyu,students[i].gaoshu+students[i].wuli+students[i].yingyu);
+    }
+}
+
+void displayStudents() 
+{
 	printf("You are trying to Make things ordered\n");
     if (studentCount == 0) {
         printf("No students to display.\n");
         return;
     }
 
-    printf("ID\tName\t高数成绩\t物理成绩\t英语成绩\t总成绩\n");
+    printf("ID\tName\t班级\t高数成绩\t物理成绩\t英语成绩\t总成绩\n");
-    for (int i = 0; i < studentCount; i++) {
+    for (int i = 0; i < studentCount; i++) 
-        printf("%d\t%s\t%.2f\t\t%.2f\t\t%.2f\t\t%.2f\n", students[i].id, students[i].name, students[i].gaoshu,students[i].wuli,students[i].yingyu,students[i].gaoshu+students[i].wuli+students[i].yingyu);
+	{
+        printf("%d\t%s\t%d\t%.2f\t\t%.2f\t\t%.2f\t\t%.2f\n", students[i].id, students[i].name, students[i].banji,students[i].gaoshu,students[i].wuli,students[i].yingyu,students[i].gaoshu+students[i].wuli+students[i].yingyu);
     }
 }
 
@@ -74,26 +123,58 @@ int main() {
     int choice;
     int running = 1; // 控制循环的变量
 
-    while (running) { printf("输入1，2，3，4使用对应功能\n");
+    while (running) { printf("输入1，2，3，4, 5, 6使用对应功能\n");
         printf("                               1. Input\n");
         printf("                               2. Output\n");
-        printf("                               3. Order\n");
+        printf("                               3. select\n");
-        printf("                               4. Quit\n");
+        printf("                               4. order\n");
+        printf("                               5. output\n");
+        printf("                               6. Quit\n");
         printf("Enter your choice: ");
         scanf("%d", &choice);
+        char panduan[3];
+        
 
         switch (choice) {
             case 1:
                 addStudent();
+                loop:
+				scanf("%s",panduan);
+                if(strcmp(panduan,"yes")==0)
+                {
+                	addStudent();
+                	goto loop;
+				}
+				else 
 				break;
             case 2:
                 deleteStudent();
+                scanf("%s",panduan);
+                if(strcmp(panduan,"yes")==0)
+                {
+                	deleteStudent();
+				}
+				else 
 				break;
 			case 3:
-                displayStudents();
+				selectStudent();
+				loop3:
+				scanf("%s",panduan);
+                if(strcmp(panduan,"yes")==0)
+                {
+                	selectStudent();
+                	goto loop3;
+				}
+				else 
 				break;
 			case 4:
-                running = 0; // 设置为0以退出循环
+				orderStudents();
+				break;
+            case 5:
+                displayStudents();
+                break;
+            case 6:
+                running = 0; 
                 break;
             default:
                 printf("Wrong input.\n");
@@ -102,3 +183,8 @@ int main() {
 
     return 0;
 }
+        }
+    }
+
+    return 0;
+}