初始化

消费/Program.cs

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+using BLWData.Entity;
+using Confluent.Kafka;
+using static Confluent.Kafka.ConfigPropertyNames;
+
+namespace 消费
+{
+    internal class Program
+    {
+        static void Main(string[] args)
+        {
+            RunConsumers().Wait();
+            Console.WriteLine("Hello, World!");
+            Console.ReadKey();
+
+        }
+
+
+
+        //private const string TopicName = "firsttopic";
+        private const string TopicName = "blwlog4BaoJing-rcu-udppackage-topic";
+        private const string BootstrapServers = "43.138.217.154:9092";
+        private const string GroupId = "parallel-consumer-group";
+        private const int ConsumerCount = 3; // 启动3个消费者
+
+        public static async Task RunConsumers()
+        {
+            var cts = new CancellationTokenSource();
+
+            var consumers = new List<Task>();
+            for (int i = 0; i < 1; i++)
+            {
+                consumers.Add(Task.Run(() => StartConsumer(cts.Token)));
+            }
+
+            await Task.WhenAll(consumers);
+
+            //await StartConsumer(cts.Token);
+        }
+
+        private static async Task StartConsumer(CancellationToken cancellationToken)
+        {
+            //var config = new ConsumerConfig
+            //{
+            //    BootstrapServers = BootstrapServers,
+            //    GroupId = GroupId,
+            //    AutoOffsetReset = AutoOffsetReset.Earliest,
+            //    SecurityProtocol = SecurityProtocol.SaslPlaintext,
+            //    SaslMechanism = SaslMechanism.Plain,
+            //    EnableAutoCommit = true, // 手动提交偏移量
+            //    EnablePartitionEof = true,
+            //    AllowAutoCreateTopics = true,
+            //    SaslUsername = "aaa",
+            //    SaslPassword = "aaa123"
+            //};
+
+            var config = new ConsumerConfig
+            {
+                GroupId = "laravel-consumer-kafka-group",
+                AutoOffsetReset = AutoOffsetReset.Earliest,
+                //BootstrapServers = BootstrapServers,
+                BootstrapServers = "43.138.217.154:9092",
+                SecurityProtocol = SecurityProtocol.SaslPlaintext,
+                SaslMechanism = SaslMechanism.Plain,
+                EnableAutoCommit = true, // 手动提交偏移量
+                SaslUsername = "baojing",
+                SaslPassword = "blwmaigong##2025"
+
+            };
+
+            var consumer = new ConsumerBuilder<string, byte[]>(config).Build();
+            //var consumer = new ConsumerBuilder<string, byte[]>(config).SetErrorHandler((_, e) => Console.WriteLine($"消费者错误: {e.Reason}")).SetPartitionsAssignedHandler((c, partitions) =>
+            //    {
+            //        Console.WriteLine($"消费者分配到分区: {string.Join(", ", partitions)}");
+            //    }).Build();
+            consumer.Subscribe(TopicName);
+
+            try
+            {
+                while (!cancellationToken.IsCancellationRequested)
+                {
+                    try
+                    {
+                        var consumeResult = consumer.Consume(cancellationToken);
+
+                        var k = consumeResult.Message.Key;
+                        var v = consumeResult.Message.Value;
+                        EnergyConsumption ese = new EnergyConsumption();
+
+                        if (k.Equals(""))
+                        {
+
+                        }
+                        var SSA = EnergyConsumption.Parser.ParseFrom(v);
+                        if (consumeResult.IsPartitionEOF)
+                        {
+                            Console.WriteLine($"消费者1到达分区末尾: {consumeResult.TopicPartitionOffset}");
+                            continue;
+                        }
+
+                        Console.WriteLine($"消费者1收到消息: [分区{consumeResult.Partition}] " +
+                                        $"偏移量{consumeResult.Offset}: {consumeResult.Message.Value}");
+
+                        // 手动提交偏移量
+                        //consumer.Commit(consumeResult);
+                    }
+                    catch (ConsumeException e)
+                    {
+                        Console.WriteLine($"消费者消费错误: {e.Error.Reason}");
+                    }
+                }
+            }
+            catch (Exception)
+            {
+
+            }
+            finally
+            {
+                consumer.Close();
+            }
+            await Task.CompletedTask;
+        }
+    }
+}

消费/消费.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <StartupObject>消费.Program</StartupObject>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Confluent.Kafka" Version="2.11.1" />
+    <PackageReference Include="Google.Protobuf" Version="3.33.0" />
+  </ItemGroup>
+
+</Project>