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.net core使用redis基于StackExchange.Redis教程，具体如下
一.添加引用包
StackExchange.Redis
Microsoft.Extensions.Configuration
二.修改配置文件 appsettings.json
{
"RedisConfig": {
"Redis_Default": {
"Connection": "127.0.0.1: 6379",
"InstanceName": "Redis1: "
},
"Redis_6": {
"Connection": "127.0.0.1: 6379",
"DefaultDatabase": 6,
"InstanceName": "Redis2: "
}
}
}
三.简单封装
RedisClient.cs类
public class RedisClient : IDisposable
{
private IConfigurationRoot _config;
private ConcurrentDictionary<string, ConnectionMultiplexer> _connections;
public RedisClient(IConfigurationRoot config)
{
_config = config;
_connections = new ConcurrentDictionary<string, ConnectionMultiplexer>();
}
/// <summary>
/// 获取ConnectionMultiplexer
/// </summary>
/// <param name="redisConfig">RedisConfig配置文件</param>
/// <returns></returns>
private ConnectionMultiplexer GetConnect(IConfigurationSection redisConfig)
{
var redisInstanceName = redisConfig["InstanceName"];
var connStr = redisConfig["Connection"];
return _connections.GetOrAdd(redisInstanceName, p => ConnectionMultiplexer.Connect(connStr));
}
/// <summary>
/// 检查入参数
/// </summary>
/// <param name="configName">RedisConfig配置文件中的 Redis_Default/Redis_6 名称</param>
/// <returns></returns>
private IConfigurationSection CheckeConfig(string configName)
{
IConfigurationSection redisConfig = _config.GetSection("RedisConfig").GetSection(configName);
if (redisConfig == null)
{
throw new ArgumentNullException($"{configName}找不到对应的RedisConfig配置！");
}
var redisInstanceName = redisConfig["InstanceName"];
var connStr = redisConfig["Connection"];
if (string.IsNullOrEmpty(redisInstanceName))
{
throw new ArgumentNullException($"{configName}找不到对应的InstanceName");
}
if (string.IsNullOrEmpty(connStr))
{
throw new ArgumentNullException($"{configName}找不到对应的Connection");
}
return redisConfig;
}
/// <summary>
/// 获取数据库
/// </summary>
/// <param name="configName"></param>
/// <param name="db">默认为0：优先代码的db配置，其次config中的配置</param>
/// <returns></returns>
public IDatabase GetDatabase(string configName = null, int"DefaultDatabase"];
if (!string.IsNullOrEmpty(strDefalutDatabase) && Int32.TryParse(strDefalutDatabase, out var intDefaultDatabase))
{
defaultDb = intDefaultDatabase;
}
}
return GetConnect(redisConfig).GetDatabase(defaultDb);
}
public IServer GetServer(string configName = null, int endPointsIndex = 0)
{
IConfigurationSection redisConfig = CheckeConfig(configName);
var connStr = redisConfig["Connection"];
var confOption = ConfigurationOptions.Parse((string)connStr);
return GetConnect(redisConfig).GetServer(confOption.EndPoints[endPointsIndex]);
}
public ISubscriber GetSubscriber(string configName = null)
{
IConfigurationSection redisConfig = CheckeConfig(configName);
return GetConnect(redisConfig).GetSubscriber();
}
public void Dispose()
{
if (_connections != null && _connections.Count > 0)
{
foreach (var item in _connections.Values)
{
item.Close();
}
}
}
}
因为RedisClient 中使用了ConcurrentDictionary
所以，有了RedisClientSingleton.cs类
public class RedisClientSingleton
{
private static RedisClient _redisClinet;
private RedisClientSingleton() { }
private static object _lockObj = new object();
public static RedisClient GetInstance(IConfigurationRoot config)
{
if (_redisClinet == null)
{
lock (_lockObj)
{
if (_redisClinet == null)
{
_redisClinet = new RedisClient(config);
}
}
}
return _redisClinet;
}
}
四.测试
1、控制台程序
1）创建一个Controller程序
2）添加引用包
Microsoft.Extensions.Configuration
Microsoft.Extensions.Configuration.Json
3）添加appsettings.json
添加以下
"RedisConfig": {
"Redis_Default": {
"Connection": "127.0.0.1:6379",
"InstanceName": "Redis1:"
},
"Redis_6": {
"Connection": "127.0.0.1:6379",
"DefaultDatabase": 6,
"InstanceName": "Redis2:"
}
}
4）修改Program类
①添加引用using Microsoft.Extensions.Configuration;
②修改Main
static void Main(string[] args)
{
var builder = new ConfigurationBuilder()
.SetBasePath(Directory.GetCurrentDirectory())
.AddJsonFile("appsettings.json");
IConfigurationRoot configuration = builder.Build();
var redisClient = RedisClientSingleton.GetInstance(configuration);
var redisDatabase = redisClient.GetDatabase("Redis_Default");
redisDatabase.StringSet("TestStrKey", "TestStrValue");
}
③运行后可以看到
2、web程序
①创建一个core的mvc项目
②修改Startup.cs文件
修改ConfigureServices函数
public void ConfigureServices(IServiceCollection services)
{
...
services.AddSingleton(Configuration);
...
}
其中的Configuration是 public IConfigurationRoot Configuration { get; }
③创建一个TestController
在修改构造函数
SimpleRedisExt _redisExt;
public TokenTranslateController(IConfigurationRoot config)//, IConfigurationRoot config)
{
_config = config;
IDatabase redisDataBase = RedisClientSingleton.GetInstance(_config).GetDatabase("Redis_Default");
}
public string Post(string value)
{
redisDataBase.StringSet("TestMvcRedis", value);
}
④运行value = TestMvcRedisValue 后得到
随手写的，写得比较糙。
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。
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