添加Lesson8

2025-10-14 16:07:14 +08:00
parent 3c4123d514
commit c86de4e6be
7 changed files with 240 additions and 0 deletions
@@ -0,0 +1,99 @@
+namespace Lesson8_Dictionary练习
+{
+    class Num
+    {
+        public static Dictionary<int, string> num = new Dictionary<int, string>();
+
+        // 使用静态构造函数初始化字典
+        static Num()
+        {
+            num.Add(1, "壹");
+            num.Add(2, "贰");
+            num.Add(3, "叁");
+            num.Add(4, "肆");
+            num.Add(5, "伍");
+            num.Add(6, "陆");
+            num.Add(7, "柒");
+            num.Add(8, "捌");
+            num.Add(9, "玖");
+            num.Add(0, "零");
+        }
+
+        public static void RerunNum(int number)
+        {
+            if (number > 999 || number < 0)
+            {
+                Console.WriteLine("越界");
+                return;
+            }
+
+            if (number == 0)
+            {
+                Console.WriteLine("零");
+                return;
+            }
+
+            string result = "";
+
+            // 处理百位
+            int hundreds = number / 100;
+            if (hundreds > 0)
+            {
+                result += num[hundreds] + "佰";
+            }
+
+            // 处理十位
+            int tens = (number % 100) / 10;
+            if (tens > 0)
+            {
+                result += num[tens] + "拾";
+            }
+            else if (hundreds > 0 && number % 100 > 0)
+            {
+                // 百位不为0，十位为0，个位不为0时加"零"
+                result += "零";
+            }
+
+            // 处理个位
+            int ones = number % 10;
+            if (ones > 0)
+            {
+                result += num[ones];
+            }
+
+            Console.WriteLine(result);
+        }
+    }
+
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            Console.WriteLine("请输入一个数");
+            Num.RerunNum(int.Parse(Console.ReadLine()));
+
+
+
+
+            Dictionary<char, int> dic = new Dictionary<char, int>();
+            string str = "Welcome to Unity World!";
+            str = str.ToLower();
+            for (int i = 0; i < str.Length; i++)
+            {
+                if (dic.ContainsKey(str[i]))
+                {
+                    dic[str[i]] += 1;
+                }
+                else
+                {
+                    dic.Add(str[i], 1);
+                }
+            }
+            foreach (var item in dic)
+            {
+                Console.WriteLine($"{item.Key}字母出现了{item.Value}次");
+            }
+        }
+
+    }
+}