添加项目文件。

Tool/GenerateTool.cs

@@ -0,0 +1,45 @@
+using System.Security.Cryptography;
+using System.Text;
+
+namespace WebAppServer1.Tool
+{
+    public class GenerateTool
+    {
+        public static string GeneratePassword()
+        {
+            const string letters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
+            const string digits = "0123456789";
+            var sb = new StringBuilder();
+
+            // 生成 2 个字母
+            for (int i = 0; i < 2; i++)
+            {
+                int index = RandomNumberGenerator.GetInt32(letters.Length);
+                sb.Append(letters[index]);
+            }
+
+            // 生成 4 个数字
+            for (int i = 0; i < 4; i++)
+            {
+                int index = RandomNumberGenerator.GetInt32(digits.Length);
+                sb.Append(digits[index]);
+            }
+
+            return sb.ToString();
+        }
+
+        public static string GenerateRandomNickname()
+        {
+            string[] part1 = { "自由的", "快乐的", "孤独的", "勇敢的", "神秘的" };
+            string[] part2 = { "小鸟", "星星", "花朵", "少年", "旅人" };
+            string[] part3 = { "在唱歌", "在飞翔", "在微笑", "在流浪", "在思考" };
+
+            var random = new Random();
+            string nickname = part1[random.Next(part1.Length)]
+                            + part2[random.Next(part2.Length)]
+                            + part3[random.Next(part3.Length)];
+            return nickname;
+        }
+
+    }
+}