Task+ConcurrentQueue+Parallel多线程编程

来源：互联网发布：针对接口编程编辑：程序博客网时间：2024/06/04 19:48

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Collections.Concurrent;using System.Threading;using System.Threading.Tasks;using Common.Tool.Net;using Common.Tool;namespace ConsoleApplication1{    class Program    {        static string path = "D://Logs//" + DateTime.Now.ToString("yyyy-MM-dd") + "//";        static ConcurrentQueue<int> queue = new ConcurrentQueue<int>();        static void Main(string[] args)        {            TaskHelper.GetTaskInitialBasics<int>(path, queue, IntoQueue, ScanQueue);        }        private static void IntoQueue(CancellationToken ct)        {            Console.WriteLine("入队线程启动");            List<int> list = new List<int>();            for (int i = 1; i <= 10000; i++)            {                list.Add(i);            }            //使用并行迭代提升速度                       Parallel.ForEach(list, new ParallelOptions { MaxDegreeOfParallelism = 500 }, l =>            {                //入队操作                queue.Enqueue(l);            });            Console.WriteLine("入队线程结束");            Utils.WriteLog(path, "===========入队线程结束！===========", "Result", false, true);        }        private static void ScanQueue(CancellationToken ct)        {            ct.ThrowIfCancellationRequested();            Console.WriteLine("出队线程启动");            while (true)            {                if (!queue.IsEmpty)                {                    //从队列中取出                      int a = 0;                    if (queue.TryDequeue(out a))                    {                        Console.WriteLine("正在录入数据");                        Utils.WriteLog(path, a.ToString(), "demo", false, true);                    }                }                else                {                    Thread.Sleep(1500);                }                Console.WriteLine("队列剩余总数：" + queue.Count);                ct.ThrowIfCancellationRequested();            }        }    }}

TaskHelper类

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading;using System.Threading.Tasks;using System.Collections.Concurrent;namespace Common.Tool.Net{    public class TaskHelper    {        public delegate void IntoQueueMethod(CancellationToken token);        public delegate void ScanQueueMethod(CancellationToken token);        /// <summary>        /// task初始化基础设置        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="logPath"></param>        /// <param name="queue"></param>        /// <param name="MakeIntoQueueMethod"></param>        /// <param name="MakeScanQueueMethod"></param>        public static void GetTaskInitialBasics<T>(string logPath, ConcurrentQueue<T> queue, IntoQueueMethod MakeIntoQueueMethod, ScanQueueMethod MakeScanQueueMethod)        {            CancellationTokenSource token = new CancellationTokenSource();            var task = Task.Factory.StartNew(() => MakeIntoQueueMethod(token.Token));            var task1 = Task.Factory.StartNew(() => MakeScanQueueMethod(token.Token));            Thread.Sleep(1000);            if (task.IsFaulted)            {                /*  循环输出异常    */                foreach (Exception ex in task.Exception.InnerExceptions)                {                    Console.WriteLine(ex.Message);                    Utils.WriteLog(logPath, ex.Message, "IntoQueueError", false, true);                }            }            if (task1.IsFaulted)            {                /*  循环输出异常    */                foreach (Exception ex in task1.Exception.InnerExceptions)                {                    Console.WriteLine(ex.Message);                    Utils.WriteLog(logPath, ex.Message, "ScanQueueError", false, true);                }            }            Task.WaitAll(task); //等待入队任务结束            Thread.Sleep(5000);            while (true)            {                if (queue.Count == 0 && queue.IsEmpty) //队列为空                {                    token.Cancel(); //发送取消任务指令                    Console.WriteLine("出队线程结束");                    Utils.WriteLog(logPath, "===========出队线程结束！===========", "Result", false, true);                    Console.WriteLine("===========全部录入完成！===========");                    Utils.WriteLog(logPath, "===========全部录入完成！===========", "Result", false, true);                    break;                }            }            Thread.Sleep(2000);            Console.WriteLine("若要结束任务请输入T");            if (Console.ReadLine() == "T")            {                task.Dispose();                task1.Dispose();            }        }    }}

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