Add GotoExercise

Author: YSGStudyHards

DotNetGuidePractice/HelloDotNetGuide/CSharp语法/GotoExercise.cs

@@ -0,0 +1,136 @@
+namespace HelloDotNetGuide.CSharp语法
+{
+    public class GotoExercise
+    {
+        /// <summary>
+        /// 使用goto重试进行代码重试示例
+        /// </summary>
+        public static void GotoRetryUseExample()
+        {
+            int retryCount = 0;
+            for (int i = 0; i < 10; i++)
+            {
+            retryLogic:
+                try
+                {
+                    //模拟可能出错的操作
+                    Random random = new Random();
+                    int result = random.Next(0, 2);
+
+                    if (result == 0)
+                    {
+                        throw new Exception("Error occurred");
+                    }
+
+                    Console.WriteLine("Operation successful on attempt: " + retryCount);
+                }
+                catch (Exception ex)
+                {
+                    retryCount++;
+                    if (retryCount < 3)
+                    {
+                        Console.WriteLine("Error occurred, retrying...");
+                        goto retryLogic; //跳转到重试逻辑
+                    }
+                    else
+                    {
+                        Console.WriteLine("Max retry limit reached.");
+                        return;
+                    }
+                }
+            }
+        }
+
+        /// <summary>
+        /// 不使用goto重试进行代码重试示例
+        /// </summary>
+        public static void NonGotoRetryUseExample()
+        {
+            int retryCount = 0;
+            for (int i = 0; i < 10; i++)
+            {
+                while (retryCount < 3)
+                {
+                    try
+                    {
+                        // 模拟可能出错的操作
+                        Random random = new Random();
+                        int result = random.Next(0, 2);
+
+                        if (result == 0)
+                        {
+                            throw new Exception("Error occurred");
+                        }
+
+                        Console.WriteLine("Operation successful on attempt: " + retryCount);
+                        break; // 成功则跳出循环
+                    }
+                    catch (Exception ex)
+                    {
+                        retryCount++;
+                        Console.WriteLine("Error occurred, retrying...");
+                    }
+                }
+
+                if (retryCount == 3)
+                {
+                    Console.WriteLine("Max retry limit reached.");
+                    return;
+                }
+            }
+        }
+
+        /// <summary>
+        /// goto正常输出使用示例
+        /// </summary>
+        public static void GotoGeneralUseExample(int num)
+        {
+            if (num < 0)
+            {
+                goto LessThanZero;
+            }
+            else if (num == 0)
+            {
+                goto EqualToZero;
+            }
+            else
+            {
+                goto GreaterThanZero;
+            }
+
+        LessThanZero:
+            Console.WriteLine("数字小于零");
+            goto End;
+
+        EqualToZero:
+            Console.WriteLine("数字等于零");
+            goto End;
+
+        GreaterThanZero:
+            Console.WriteLine("数字大于零");
+            goto End;
+        End:
+            Console.WriteLine("End...");
+        }
+
+        /// <summary>
+        /// 不使用goto正常输出使用示例
+        /// </summary>
+        public static void NonGotoGeneralUseExample(int num)
+        {
+            if (num < 0)
+            {
+                Console.WriteLine("数字小于零");
+            }
+            else if (num == 0)
+            {
+                Console.WriteLine("数字等于零");
+            }
+            else
+            {
+                Console.WriteLine("数字大于零");
+            }
+            Console.WriteLine("End...");
+        }
+    }
+}

DotNetGuidePractice/HelloDotNetGuide/Program.cs

@@ -1,4 +1,5 @@
-using HelloDotNetGuide.常见算法;
+using HelloDotNetGuide.CSharp语法;
+using HelloDotNetGuide.常见算法;
 using HelloDotNetGuide.异步编程;
 using HelloDotNetGuide.数组相关;
 
@@ -10,6 +11,13 @@ static void Main(string[] args)
         {
             Console.WriteLine("欢迎来到DotNetGuide练习空间！！！");
 
+            #region GotoExercise
+
+            //GotoExercise.GotoRetryUseExample();
+            //GotoExercise.NonGotoRetryUseExample();
+
+            #endregion
+
             #region 异步编程
 
             //var getFileContent = ReadFileAsyncExample.ReadFileAsync("D:\\Desktop\\数据读取.txt").ConfigureAwait(false);