using System;using System.Collections.Generic;namespace BeIT.MemCached {      class Example {          public static void Main(string[] args) {              //---------------------              // Setting up a client.              //---------------------             Console.Out.WriteLine("Setting up Memcached Client.");              MemcachedClient.Setup("MyCache", new string[] { "localhost" });                //It is possible to have several clients with different configurations:              //If it is impossible to resolve the hosts, this method will throw an exception.             try {                  MemcachedClient.Setup("MyOtherCache", new string[]{ "server1.example.com:12345", "server2.example.com:12345"});              } catch (Exception e) {                  Console.WriteLine(e.Message);              }                //Get the instance we just set up so we can use it. You can either store this reference yourself in              //some field, or fetch it every time you need it, it doesn't really matter.             MemcachedClient cache = MemcachedClient.GetInstance("MyCache");                //It is also possible to set up clients in the standard config file. Check the section "beitmemcached"               //in the App.config file in this project and you will see that a client called "MyConfigFileCache" is defined.             MemcachedClient configFileCache = MemcachedClient.GetInstance("MyConfigFileCache");                //Change client settings to values other than the default like this:             cache.SendReceiveTimeout = 5000;              cache.ConnectTimeout = 5000;              cache.MinPoolSize = 1;              cache.MaxPoolSize = 5;                //----------------              // Using a client.              //----------------                //Set some items             Console.Out.WriteLine("Storing some items.");              cache.Set("mystring", "The quick brown fox jumped over the lazy dog.");              cache.Set("myarray", new string[]{"This is the first string.", "This is the second string."});              cache.Set("myinteger", 4711);              cache.Set("mydate", new DateTime(2008, 02, 23));              //Use custom hash             cache.Set("secondstring", "Flygande b鋍kasiner s鰇a hwila p?mjuka tufvor", 4711);                //Get a string             string str = cache.Get("mystring") as string;              if (str != null) {                  Console.Out.WriteLine("Fetched item with key: mystring, value: " + str);              }                //Get an object             string[] array = cache.Get("myarray") as string[];              if (array != null) {                  Console.Out.WriteLine("Fetched items with key: myarray, value 1: " + array[0] + ", value 2: " + array[1]);              }                //Get several values at once             object[] result = cache.Get(new string[]{"myinteger", "mydate"});              if (result[0] != null && result[0] is int) {                  Console.Out.WriteLine("Fetched item with key: myinteger, value: " + (int)result[0]);              }              if (result[1] != null && result[1] is DateTime) {                  Console.Out.WriteLine("Fetched item with key: mydate, value: " + (DateTime)result[1]);              }                str = cache.Get("secondstring", 4711) as string;              if (str != null) {                  Console.Out.WriteLine("Fetched item with key and custom hash: secondstring, value: " + str);              }                //Set a counter             Console.Out.WriteLine("Setting an item for incrementing and decrementing.");              cache.SetCounter("mycounter", 9000);              ulong? counter = cache.GetCounter("mycounter");              if (counter.HasValue) {                  Console.Out.WriteLine("Fetched mycounter, value: " + counter.Value);              }                //Increment the counter             counter = cache.Increment("mycounter", 1);              if (counter.HasValue) {                  Console.Out.WriteLine("Incremented mycounter with 1, new value: " + counter.Value);              }                //Decrement the counter             counter = cache.Decrement("mycounter", 9000);              if (counter.HasValue) {                  Console.Out.WriteLine("Decremented mycounter with 9000, new value: " + counter.Value);              }                //Append and prepend             Console.Out.WriteLine("Storing bar for append/prepend");              cache.Set("foo", "bar");              Console.Out.WriteLine("Appending baz");              cache.Append("foo", " baz");              Console.Out.WriteLine("Prepending foo");              cache.Prepend("foo", "foo ");              Console.Out.WriteLine("New value: " + cache.Get("foo"));                //Cas             cache.Delete("castest");              Console.Out.WriteLine("Trying to CAS non-existant key castest: " + cache.CheckAndSet("castest", "a", 0));              Console.Out.WriteLine("Setting value for key: castest, value: a");              cache.Set("castest", "a");              Console.Out.WriteLine("Trying to CAS key castest with the wrong unique: " + cache.CheckAndSet("castest", "a", 0));              ulong unique;              cache.Gets("castest", out unique);              Console.Out.WriteLine("Getting cas unique for key castest: " + unique);              Console.Out.WriteLine("Trying to CAS again with the above unique: " + cache.CheckAndSet("castest", "b", unique));              string value = cache.Gets("castest", out unique) as string;              Console.Out.WriteLine("New value: " + value + ", new unique: " + unique);                Console.Out.WriteLine("Displaying the socketpool status:");              foreach (KeyValuePair<string, Dictionary<string, string>> host in cache.Status()) {                  Console.Out.WriteLine("Host: " + host.Key);                  foreach (KeyValuePair<string, string> item in host.Value) {                      Console.Out.WriteLine("\t" + item.Key + ": " + item.Value);                  }                  Console.Out.WriteLine();              }                Console.Out.WriteLine();              Console.Out.WriteLine("Finished. Press enter to exit.");              Console.In.ReadLine();          }      }  }
  </pre></div>  注：memcached 是以KEY-VALUE的方式进行数据存储的，KEY的大小限制：Key（max）<=250个字符；VALUE在存储时有限制：Value（max）<= 1M；memcached默认过期时间：ExpiresTime（max）= 30（days）。