Update 定时关机小程序.c

ls-Brynn · web-flow · commit 5597cd58b813 · 2021-08-21T15:11:23.000+08:00
diff --git a/经典项目/定时关机小程序.c b/经典项目/定时关机小程序.c
@@ -1 +1,44 @@
-#
+#include<stdio.h>
+#include<string.h>
+#include<stdlib.h>
+
+void main()
+{
+    char cmd[20]="shutdown -s -t ";
+    char t[5]="0";
+    int c;
+
+    system("title C语言关机程序");  //设置cmd窗口标题
+    system("mode con cols=48 lines=25");  //窗口宽度高度 
+    system("color f0");  //可以写成 red 调出颜色组
+    system("date /T");
+    system("TIME /T");
+
+    printf("----------- C语言关机程序 -----------\n");
+    printf("1.实现10分钟内的定时关闭计算机\n");
+    printf("2.立即关闭计算机\n");
+    printf("3.注销计算机\n");
+    printf("0.退出系统\n");
+    printf("-------------------------------------\n");
+
+    scanf("%d",&c);
+    switch(c) {
+        case 1:
+            printf("您想在多少秒后自动关闭计算机？（0~600）\n");
+            scanf("%s",t);
+            system(strcat(cmd,t));
+            break;
+        case 2:
+            system("shutdown -p");
+            break;
+        case 3:
+            system("shutdown -l");
+            break;
+        case 0:
+            break;
+        default:
+            printf("Error!\n");
+    }
+    system("pause");
+    return 0;
+}
