C# Task.WhenAny使用测试Demo
2021/7/1 17:27:57
本文主要是介绍C# Task.WhenAny使用测试Demo,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading; using System.Threading.Tasks; namespace ConsoleApp1 { internal class Program { private static void Main(string[] args) { var t1 = GetTaskTestSum(); //同步阻塞 Console.WriteLine(t1.Result); var t2 = ToDoWithTimeOutAsync(); //同步阻塞 Console.WriteLine(t2.Result); Console.ReadLine(); } /// <summary> /// 测试 /// </summary> /// <returns></returns> private static async Task<int> GetTaskTestSum() { int sum = 0; for (int i = 0; i <= 10; i++) { sum += 1; Console.WriteLine("sum += " + i); await Task.Delay(50); } return sum; } private static async Task<string> ToDoAsync() { await Task.Delay(TimeSpan.FromSeconds(1)); return "To Do Success"; } private static async Task<string> ToTimeAsync() { await Task.Delay(2000); return "To Time Success"; } /// <summary> /// Task.WhenAny任意一个任务完成返回 /// </summary> /// <returns>返回String类型</returns> private static async Task<string> ToDoWithTimeOutAsync() { var toDoTaskAsync = ToDoAsync(); var timeOutTaskAsync = ToTimeAsync(); var msg = string.Empty; var completedTask = await Task.WhenAny(toDoTaskAsync, timeOutTaskAsync); return completedTask.Result; } } }
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