支援 .NET Core 的 Memcached 用戶端 EnyimMemcachedCore

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1. 介紹

EnyimMemcachedCore 是一個支援 .NET Core 的 Memcached 用戶端，是從 EnyimMemcached 遷移至 .NET Core的，原始碼託管在 GitHub 上：https://github.com/cnblogs/EnyimMemcachedCore ，NuGet 包地址：https://www.nuget.org/packages/EnyimMemcachedCore 。

2. 使用說明2.1 安裝 NuGet 包

Install-Package EnyimMemcachedCore

2.2 配置2.2.1 在 appsetting.json 中進行配置

1）不帶驗證的配置

{  "enyimMemcached": {    "Servers": [      {        "Address": "memcached",        "Port": 11211      }    ]  }}

2）帶驗證的配置

{  "enyimMemcached": {    "Servers": [      {        "Address": "memcached",        "Port": 11211      }    ],    "Authentication": {      "Type": "Enyim.Caching.Memcached.PlainTextAuthenticator",      "Parameters": {        "zone": "",        "userName": "username",        "password": "password"      }    }  }}

3）Startup.cs 中的配置代碼

public class Startup{    public void ConfigureServices(IServiceCollection services)    {        services.AddEnyimMemcached(options => Configuration.GetSection("enyimMemcached").Bind(options));    }    public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)    {         app.UseEnyimMemcached();    }}

2.2.2 直接寫入程式碼配置（無需設定檔）

Startup.cs 中的寫入程式碼配置代碼

public class Startup{    public void ConfigureServices(IServiceCollection services)    {        services.AddEnyimMemcached(options =>        {            options.AddServer("memcached", 11211);                            //options.AddPlainTextAuthenticator("", "usename", "password");        });    }            public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)    {        app.UseEnyimMemcached();    }}

2.3 調用

2.3.1 使用 IMemcachedClient 介面

public class TabNavService{    private ITabNavRepository _tabNavRepository;    private IMemcachedClient _memcachedClient;    public TabNavService(        ITabNavRepository tabNavRepository,        IMemcachedClient memcachedClient)    {        _tabNavRepository = tabNavRepository;        _memcachedClient = memcachedClient;    }    public async Task<IEnumerable<TabNav>> GetAll()    {        var cacheKey = "aboutus_tabnavs_all";        var result = await _memcachedClient.GetAsync<IEnumerable<TabNav>>(cacheKey);        if (!result.Success)        {            var tabNavs = await _tabNavRepository.GetAll();            await _memcachedClient.AddAsync(cacheKey, tabNavs, 300);            return tabNavs;        }        else        {            return result.Value;        }    }}

2.3.2 使用 IDistributedCache 介面（來自 Microsoft.Extensions.Caching.Abstractions ）

public class CreativeService{    private ICreativeRepository _creativeRepository;    private IDistributedCache _cache;    public CreativeService(        ICreativeRepository creativeRepository,        IDistributedCache cache)    {        _creativeRepository = creativeRepository;        _cache = cache;    }    public async Task<IList<CreativeDTO>> GetCreatives(string unitName)    {        var cacheKey = $"creatives_{unitName}";        IList<CreativeDTO> creatives = null;        var creativesJson = await _cache.GetStringAsync(cacheKey);        if (creativesJson == null)        {            creatives = await _creativeRepository.GetCreatives(unitName)                    .ProjectTo<CreativeDTO>().ToListAsync();            var json = string.Empty;            if (creatives != null && creatives.Count() > 0)            {                json = JsonConvert.SerializeObject(creatives);            }            await _cache.SetStringAsync(                cacheKey,                 json,                 new DistributedCacheEntryOptions().SetSlidingExpiration(TimeSpan.FromMinutes(5)));        }        else        {            creatives = JsonConvert.DeserializeObject<List<CreativeDTO>>(creativesJson);        }        return creatives;    }}

3. 問題支援

如果在使用中遇到問題，麻煩您在 GitHub 上提交 Issue 。

支援 .NET Core 的 Memcached 用戶端 EnyimMemcachedCore