update

main.cpp

@@ -146,8 +146,12 @@ void seek() {
 	int i = 0, item;
 	char s1[13], s2[20];
 	lable1:
-	printf("请输入卡号：\n");
+	printf("请输入卡号(输入0返回主菜单)：\n");
 	scanf("%s", &s1);
+	if(s1=0)
+	{
+		return;
+	}
 	for (i = 0; i < n; i++) {
 		if (strcmp(s[i].no, s1) == 0) {
 			printf("请输入密码：\n");
@@ -175,6 +179,52 @@ void seek() {
 
 	system("pause");
 }
+void save()
+{
+int j = 0,flag=0;
+	FILE * fp;
+	if ((fp = fopen("a.txt", "r")) == NULL) return;
+	stu s;
+	while (fscanf(fp, "%s %s %s %s %d", &s[j].no, &s[j].name, &s[j].sex[j], &s[j].passwd, &s[j].balance) == 5) {
+		j++;
+	}
+	n = j;
+	int i = 0, item,save;
+	char s1[13], s2[20];
+	lable1:
+	printf("请输入卡号(输入0返回主菜单)：\n");
+	scanf("%s", &s1);
+	if(s1=0)
+	{
+		return;
+	}
+	for (i = 0; i < n; i++) {
+		if (strcmp(s[i].no, s1) == 0) {
+			printf("请输入密码：\n");
+			scanf("%s", &s2);
+			if (strcmp(s[i].passwd, s2) == 0) {
+				printf("请输入您要存款的金额：");
+				scanf("%d",&save);
+				fprintf(fp, "%s %s %s %s %d \n", s[i].no, s[i].name, s[i].sex,s[i].passwd, s[i].balance = s[i].balance+save);
+				printf("存款成功!")
+				printf("当前余额为%d元",s[i].balance);
+				flag = 2;
+				break;
+			}
+			else {
+				printf("您输入的密码错误，请重新输入\n");
+				goto lable1;
+			}
+		}
+	}
+	if (flag != 2) {
+		printf("您输入的用户名不存在，请重新输入\n");
+		goto lable1;
+	}
+	fclose(fp);
+
+	system("pause");
+}
 	void fileWrite(int n, stu s) {
 	FILE *fp1;
 	int i;