RedisHelper.cs
using StackExchange.Redis;
/// <summary>
/// Redis操作
/// </summary>
public class RedisHelper
{
public static int DbNum { get; set; }
public static ConnectionMultiplexer _conn;
public static string CustomKey;
public static string readWriteHosts;
public static string ConnectionString = "";
#region 构造函数
public RedisHelper(IConfiguration config)
{
//_redisOptions = redisOptions.Value;
var ConnectionString = config.GetSection("redis")["ConnectionString"];
_conn =
string.IsNullOrWhiteSpace(ConnectionString) ?
RedisConnectionHelp.Instance :
RedisConnectionHelp.GetConnectionMultiplexer(ConnectionString);
}
public static void setConnectionString(IConfiguration config)
{
ConnectionString = config.GetSection("redis")["ConnectionString_Release"];
#if DEBUG
ConnectionString = config.GetSection("redis")["ConnectionString"];
#endif
}
public static void GetIntance()
{
//var ConnectionString = config.GetSection("redis")["ConnectionString"];
if (_conn == null)
{
_conn =
string.IsNullOrWhiteSpace(ConnectionString) ?
RedisConnectionHelp.Instance :
RedisConnectionHelp.GetConnectionMultiplexer(ConnectionString);
}
}
#endregion 构造函数
#region String
#region 同步方法
/// <summary>
/// 保存多个key value
/// </summary>
/// <param name="keyValues">键值对</param>
/// <returns></returns>
public static bool StringSet(List<KeyValuePair<RedisKey, RedisValue>> keyValues)
{
List<KeyValuePair<RedisKey, RedisValue>> newkeyValues =
keyValues.Select(p => new KeyValuePair<RedisKey, RedisValue>(AddSysCustomKey(p.Key), p.Value)).ToList();
return Do(db => db.StringSet(newkeyValues.ToArray()));
}
/// <summary>
/// 保存一个对象
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <param name="obj"></param>
/// <param name="expiry"></param>
/// <returns></returns>
public static bool StringSet<T>(string key, T obj, TimeSpan? expiry = default(TimeSpan?))
{
key = AddSysCustomKey(key);
string json = ConvertJson(obj);
return Do(db => db.StringSet(key, json, expiry));
}
/// <summary>
/// 获取单个key的值
/// </summary>
/// <param name="key">Redis Key</param>
/// <returns></returns>
public static string StringGet(string key)
{
key = AddSysCustomKey(key);
return Do(db => db.StringGet(key));
}
/// <summary>
/// 获取多个Key
/// </summary>
/// <param name="listKey">Redis Key集合</param>
/// <returns></returns>
public static RedisValue[] StringGet(List<string> listKey)
{
List<string> newKeys = listKey.Select(AddSysCustomKey).ToList();
return Do(db => db.StringGet(ConvertRedisKeys(newKeys)));
}
/// <summary>
/// 获取一个key的对象
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <returns></returns>
public static T StringGet<T>(string key)
{
key = AddSysCustomKey(key);
return Do(db => ConvertObj<T>(db.StringGet(key)));
}
/// <summary>
/// 为数字增长val
/// </summary>
/// <param name="key"></param>
/// <param name="val">可以为负</param>
/// <returns>增长后的值</returns>
public static double StringIncrement(string key, double val = 1)
{
key = AddSysCustomKey(key);
return Do(db => db.StringIncrement(key, val));
}
/// <summary>
/// 为数字减少val
/// </summary>
/// <param name="key"></param>
/// <param name="val">可以为负</param>
/// <returns>减少后的值</returns>
public static double StringDecrement(string key, double val = 1)
{
key = AddSysCustomKey(key);
return Do(db => db.StringDecrement(key, val));
}
#endregion 同步方法
#region 异步方法
/// <summary>
/// 保存单个key value
/// </summary>
/// <param name="key">Redis Key</param>
/// <param name="value">保存的值</param>
/// <param name="expiry">过期时间</param>
/// <returns></returns>
public static async Task<bool> StringSetAsync(string key, string value, TimeSpan? expiry = default(TimeSpan?))
{
key = AddSysCustomKey(key);
return await Do(db => db.StringSetAsync(key, value, expiry));
}
/// <summary>
/// 保存多个key value
/// </summary>
/// <param name="keyValues">键值对</param>
/// <returns></returns>
public static async Task<bool> StringSetAsync(List<KeyValuePair<RedisKey, RedisValue>> keyValues)
{
List<KeyValuePair<RedisKey, RedisValue>> newkeyValues =
keyValues.Select(p => new KeyValuePair<RedisKey, RedisValue>(AddSysCustomKey(p.Key), p.Value)).ToList();
return await Do(db => db.StringSetAsync(newkeyValues.ToArray()));
}
/// <summary>
/// 保存一个对象
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <param name="obj"></param>
/// <param name="expiry"></param>
/// <returns></returns>
public static async Task<bool> StringSetAsync<T>(string key, T obj, TimeSpan? expiry = default(TimeSpan?))
{
key = AddSysCustomKey(key);
string json = ConvertJson(obj);
return await Do(db => db.StringSetAsync(key, json, expiry));
}
/// <summary>
/// 获取单个key的值
/// </summary>
/// <param name="key">Redis Key</param>
/// <returns></returns>
public static async Task<string> StringGetAsync(string key)
{
key = AddSysCustomKey(key);
return await Do(db => db.StringGetAsync(key));
}
/// <summary>
/// 获取多个Key
/// </summary>
/// <param name="listKey">Redis Key集合</param>
/// <returns></returns>
public static async Task<RedisValue[]> StringGetAsync(List<string> listKey)
{
List<string> newKeys = listKey.Select(AddSysCustomKey).ToList();
return await Do(db => db.StringGetAsync(ConvertRedisKeys(newKeys)));
}
/// <summary>
/// 获取一个key的对象
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <returns></returns>
public static async Task<T> StringGetAsync<T>(string key)
{
key = AddSysCustomKey(key);
string result = await Do(db => db.StringGetAsync(key));
return ConvertObj<T>(result);
}
/// <summary>
/// 为数字增长val
/// </summary>
/// <param name="key"></param>
/// <param name="val">可以为负</param>
/// <returns>增长后的值</returns>
public static async Task<double> StringIncrementAsync(string key, double val = 1)
{
key = AddSysCustomKey(key);
return await Do(db => db.StringIncrementAsync(key, val));
}
/// <summary>
/// 为数字减少val
/// </summary>
/// <param name="key"></param>
/// <param name="val">可以为负</param>
/// <returns>减少后的值</returns>
public static async Task<double> StringDecrementAsync(string key, double val = 1)
{
key = AddSysCustomKey(key);
return await Do(db => db.StringDecrementAsync(key, val));
}
#endregion 异步方法
#endregion String
#region Hash
#region 同步方法
/// <summary>
/// 判断某个数据是否已经被缓存
/// </summary>
/// <param name="key"></param>
/// <param name="dataKey"></param>
/// <returns></returns>
public static bool HashExists(string key, string dataKey)
{
key = AddSysCustomKey(key);
return Do(db => db.HashExists(key, dataKey));
}
/// <summary>
/// 存储数据到hash表
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <param name="dataKey"></param>
/// <param name="t"></param>
/// <returns></returns>
public static bool HashSet<T>(string key, string dataKey, T t)
{
key = AddSysCustomKey(key);
return Do(db =>
{
string json = ConvertJson(t);
return db.HashSet(key, dataKey, json);
});
}
/// <summary>
/// 移除hash中的某值
/// </summary>
/// <param name="key"></param>
/// <param name="dataKey"></param>
/// <returns></returns>
public static bool HashDelete(string key, string dataKey)
{
key = AddSysCustomKey(key);
return Do(db => db.HashDelete(key, dataKey));
}
/// <summary>
/// 移除hash中的多个值
/// </summary>
/// <param name="key"></param>
/// <param name="dataKeys"></param>
/// <returns></returns>
public static long HashDelete(string key, List<RedisValue> dataKeys)
{
key = AddSysCustomKey(key);
//List<RedisValue> dataKeys1 = new List<RedisValue>() {"1","2"};
return Do(db => db.HashDelete(key, dataKeys.ToArray()));
}
/// <summary>
/// 从hash表获取数据
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <param name="dataKey"></param>
/// <returns></returns>
public static T HashGet<T>(string key, string dataKey)
{
key = AddSysCustomKey(key);
return Do(db =>
{
string value = db.HashGet(key, dataKey);
return ConvertObj<T>(value);
});
}
/// <summary>
/// 为数字增长val
/// </summary>
/// <param name="key"></param>
/// <param name="dataKey"></param>
/// <param name="val">可以为负</param>
/// <returns>增长后的值</returns>
public static double HashIncrement(string key, string dataKey, double val = 1)
{
key = AddSysCustomKey(key);
return Do(db => db.HashIncrement(key, dataKey, val));
}
/// <summary>
/// 为数字减少val
/// </summary>
/// <param name="key"></param>
/// <param name="dataKey"></param>
/// <param name="val">可以为负</param>
/// <returns>减少后的值</returns>
public static double HashDecrement(string key, string dataKey, double val = 1)
{
key = AddSysCustomKey(key);
return Do(db => db.HashDecrement(key, dataKey, val));
}
/// <summary>
/// 获取hashkey所有Redis key
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <returns></returns>
public static List<T> HashKeys<T>(string key)
{
key = AddSysCustomKey(key);
return Do(db =>
{
RedisValue[] values = db.HashKeys(key);
return ConvetList<T>(values);
});
}
#endregion 同步方法
#region 异步方法
/// <summary>
/// 判断某个数据是否已经被缓存
/// </summary>
/// <param name="key"></param>
/// <param name="dataKey"></param>
/// <returns></returns>
public static async Task<bool> HashExistsAsync(string key, string dataKey)
{
key = AddSysCustomKey(key);
return await Do(db => db.HashExistsAsync(key, dataKey));
}
/// <summary>
/// 存储数据到hash表
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <param name="dataKey"></param>
/// <param name="t"></param>
/// <returns></returns>
public static async Task<bool> HashSetAsync<T>(string key, string dataKey, T t)
{
key = AddSysCustomKey(key);
return await Do(db =>
{
string json = ConvertJson(t);
return db.HashSetAsync(key, dataKey, json);
});
}
/// <summary>
/// 移除hash中的某值
/// </summary>
/// <param name="key"></param>
/// <param name="dataKey"></param>
/// <returns></returns>
public static async Task<bool> HashDeleteAsync(string key, string dataKey)
{
key = AddSysCustomKey(key);
return await Do(db => db.HashDeleteAsync(key, dataKey));
}
/// <summary>
/// 移除hash中的多个值
/// </summary>
/// <param name="key"></param>
/// <param name="dataKeys"></param>
/// <returns></returns>
public static async Task<long> HashDeleteAsync(string key, List<RedisValue> dataKeys)
{
key = AddSysCustomKey(key);
//List<RedisValue> dataKeys1 = new List<RedisValue>() {"1","2"};
return await Do(db => db.HashDeleteAsync(key, dataKeys.ToArray()));
}
/// <summary>
/// 从hash表获取数据
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <param name="dataKey"></param>
/// <returns></returns>
public static async Task<T> HashGeAsync<T>(string key, string dataKey)
{
key = AddSysCustomKey(key);
string value = await Do(db => db.HashGetAsync(key, dataKey));
return ConvertObj<T>(value);
}
/// <summary>
/// 为数字增长val
/// </summary>
/// <param name="key"></param>
/// <param name="dataKey"></param>
/// <param name="val">可以为负</param>
/// <returns>增长后的值</returns>
public static async Task<double> HashIncrementAsync(string key, string dataKey, double val = 1)
{
key = AddSysCustomKey(key);
return await Do(db => db.HashIncrementAsync(key, dataKey, val));
}
/// <summary>
/// 为数字减少val
/// </summary>
/// <param name="key"></param>
/// <param name="dataKey"></param>
/// <param name="val">可以为负</param>
/// <returns>减少后的值</returns>
public static async Task<double> HashDecrementAsync(string key, string dataKey, double val = 1)
{
key = AddSysCustomKey(key);
return await Do(db => db.HashDecrementAsync(key, dataKey, val));
}
/// <summary>
/// 获取hashkey所有Redis key
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <returns></returns>
public static async Task<List<T>> HashKeysAsync<T>(string key)
{
key = AddSysCustomKey(key);
RedisValue[] values = await Do(db => db.HashKeysAsync(key));
return ConvetList<T>(values);
}
#endregion 异步方法
#endregion Hash
#region List
#region 同步方法
/// <summary>
/// 移除指定ListId的内部List的值
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
public static void ListRemove<T>(string key, T value)
{
key = AddSysCustomKey(key);
Do(db => db.ListRemove(key, ConvertJson(value)));
}
/// <summary>
/// 获取指定key的List
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public static List<T> ListRange<T>(string key)
{
key = AddSysCustomKey(key);
return Do(redis =>
{
var values = redis.ListRange(key);
return ConvetList<T>(values);
});
}
/// <summary>
/// 入队
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
public static void ListRightPush<T>(string key, T value)
{
key = AddSysCustomKey(key);
Do(db => db.ListRightPush(key, ConvertJson(value)));
}
/// <summary>
/// 出队
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <returns></returns>
public static T ListRightPop<T>(string key)
{
key = AddSysCustomKey(key);
return Do(db =>
{
var value = db.ListRightPop(key);
return ConvertObj<T>(value);
});
}
/// <summary>
/// 入栈
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <param name="value"></param>
public static void ListLeftPush<T>(string key, T value)
{
key = AddSysCustomKey(key);
Do(db => db.ListLeftPush(key, ConvertJson(value)));
}
/// <summary>
/// 出栈
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <returns></returns>
public static T ListLeftPop<T>(string key)
{
key = AddSysCustomKey(key);
return Do(db =>
{
var value = db.ListLeftPop(key);
return ConvertObj<T>(value);
});
}
/// <summary>
/// 获取集合中的数量
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public static long ListLength(string key)
{
key = AddSysCustomKey(key);
return Do(redis => redis.ListLength(key));
}
#endregion 同步方法
#region 异步方法
/// <summary>
/// 移除指定ListId的内部List的值
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
public static async Task<long> ListRemoveAsync<T>(string key, T value)
{
key = AddSysCustomKey(key);
return await Do(db => db.ListRemoveAsync(key, ConvertJson(value)));
}
/// <summary>
/// 获取指定key的List
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public static async Task<List<T>> ListRangeAsync<T>(string key)
{
key = AddSysCustomKey(key);
var values = await Do(redis => redis.ListRangeAsync(key));
return ConvetList<T>(values);
}
/// <summary>
/// 入队
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
public static async Task<long> ListRightPushAsync<T>(string key, T value)
{
key = AddSysCustomKey(key);
return await Do(db => db.ListRightPushAsync(key, ConvertJson(value)));
}
/// <summary>
/// 出队
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <returns></returns>
public static async Task<T> ListRightPopAsync<T>(string key)
{
key = AddSysCustomKey(key);
var value = await Do(db => db.ListRightPopAsync(key));
return ConvertObj<T>(value);
}
/// <summary>
/// 入栈
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <param name="value"></param>
public static async Task<long> ListLeftPushAsync<T>(string key, T value)
{
key = AddSysCustomKey(key);
return await Do(db => db.ListLeftPushAsync(key, ConvertJson(value)));
}
/// <summary>
/// 出栈
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <returns></returns>
public static async Task<T> ListLeftPopAsync<T>(string key)
{
key = AddSysCustomKey(key);
var value = await Do(db => db.ListLeftPopAsync(key));
return ConvertObj<T>(value);
}
/// <summary>
/// 获取集合中的数量
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public static async Task<long> ListLengthAsync(string key)
{
key = AddSysCustomKey(key);
return await Do(redis => redis.ListLengthAsync(key));
}
#endregion 异步方法
#endregion List
#region SortedSet 有序集合
#region 同步方法
/// <summary>
/// 添加
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
/// <param name="score"></param>
public static bool SortedSetAdd<T>(string key, T value, double score)
{
key = AddSysCustomKey(key);
return Do(redis => redis.SortedSetAdd(key, ConvertJson<T>(value), score));
}
/// <summary>
/// 删除
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
public static bool SortedSetRemove<T>(string key, T value)
{
key = AddSysCustomKey(key);
return Do(redis => redis.SortedSetRemove(key, ConvertJson(value)));
}
/// <summary>
/// 获取全部
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public static List<T> SortedSetRangeByRank<T>(string key)
{
key = AddSysCustomKey(key);
return Do(redis =>
{
var values = redis.SortedSetRangeByRank(key);
return ConvetList<T>(values);
});
}
/// <summary>
/// 获取集合中的数量
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public static long SortedSetLength(string key)
{
key = AddSysCustomKey(key);
return Do(redis => redis.SortedSetLength(key));
}
#endregion 同步方法
#region 异步方法
/// <summary>
/// 添加
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
/// <param name="score"></param>
public static async Task<bool> SortedSetAddAsync<T>(string key, T value, double score)
{
key = AddSysCustomKey(key);
return await Do(redis => redis.SortedSetAddAsync(key, ConvertJson<T>(value), score));
}
/// <summary>
/// 删除
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
public static async Task<bool> SortedSetRemoveAsync<T>(string key, T value)
{
key = AddSysCustomKey(key);
return await Do(redis => redis.SortedSetRemoveAsync(key, ConvertJson(value)));
}
/// <summary>
/// 获取全部
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public static async Task<List<T>> SortedSetRangeByRankAsync<T>(string key)
{
key = AddSysCustomKey(key);
var values = await Do(redis => redis.SortedSetRangeByRankAsync(key));
return ConvetList<T>(values);
}
/// <summary>
/// 获取集合中的数量
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public static async Task<long> SortedSetLengthAsync(string key)
{
key = AddSysCustomKey(key);
return await Do(redis => redis.SortedSetLengthAsync(key));
}
#endregion 异步方法
#endregion SortedSet 有序集合
#region key
/// <summary>
/// 删除单个key
/// </summary>
/// <param name="key">redis key</param>
/// <returns>是否删除成功</returns>
public static bool KeyDelete(string key)
{
key = AddSysCustomKey(key);
return Do(db => db.KeyDelete(key));
}
/// <summary>
/// 删除多个key
/// </summary>
/// <param name="keys">rediskey</param>
/// <returns>成功删除的个数</returns>
public static long KeyDelete(List<string> keys)
{
List<string> newKeys = keys.Select(AddSysCustomKey).ToList();
return Do(db => db.KeyDelete(ConvertRedisKeys(newKeys)));
}
/// <summary>
/// 判断key是否存储
/// </summary>
/// <param name="key">redis key</param>
/// <returns></returns>
public static bool KeyExists(string key)
{
key = AddSysCustomKey(key);
return Do(db => db.KeyExists(key));
}
/// <summary>
/// 重新命名key
/// </summary>
/// <param name="key">就的redis key</param>
/// <param name="newKey">新的redis key</param>
/// <returns></returns>
public static bool KeyRename(string key, string newKey)
{
key = AddSysCustomKey(key);
return Do(db => db.KeyRename(key, newKey));
}
/// <summary>
/// 设置Key的时间
/// </summary>
/// <param name="key">redis key</param>
/// <param name="expiry"></param>
/// <returns></returns>
public static bool KeyExpire(string key, TimeSpan? expiry = default(TimeSpan?))
{
key = AddSysCustomKey(key);
return Do(db => db.KeyExpire(key, expiry));
}
#endregion key
#region key 异步
/// <summary>
/// 判断key是否存储
/// </summary>
/// <param name="key">redis key</param>
/// <returns></returns>
public static async Task<bool> KeyExistsAsync(string key)
{
key = AddSysCustomKey(key);
return await Do(db => db.KeyExistsAsync(key));
}
/// <summary>
/// 删除多个key
/// </summary>
/// <param name="keys">rediskey</param>
/// <returns>成功删除的个数</returns>
public static async Task<long> KeyDeleteAsync(List<string> keys)
{
List<string> newKeys = keys.Select(AddSysCustomKey).ToList();
return await Do(db => db.KeyDeleteAsync(ConvertRedisKeys(newKeys)));
}
/// <summary>
/// 重新命名key
/// </summary>
/// <param name="key">就的redis key</param>
/// <param name="newKey">新的redis key</param>
/// <returns></returns>
public static async Task<bool> KeyRenameAsync(string key, string newKey)
{
key = AddSysCustomKey(key);
return await Do(db => db.KeyRenameAsync(key, newKey));
}
/// <summary>
/// 设置Key的时间
/// </summary>
/// <param name="key">redis key</param>
/// <param name="expiry"></param>
/// <returns></returns>
public static async Task<bool> KeyExpireAsync(string key, TimeSpan? expiry = default(TimeSpan?))
{
key = AddSysCustomKey(key);
return await Do(db => db.KeyExpireAsync(key, expiry));
}
#endregion
#region 发布订阅
/// <summary>
/// Redis发布订阅 订阅
/// </summary>
/// <param name="subChannel"></param>
/// <param name="handler"></param>
public static void Subscribe(string subChannel, Action<RedisChannel, RedisValue> handler = null)
{
GetIntance();
ISubscriber sub = _conn.GetSubscriber();
sub.Subscribe(subChannel, (channel, message) =>
{
if (handler == null)
{
Console.WriteLine(subChannel + " 订阅收到消息:" + message);
}
else
{
handler(channel, message);
}
});
}
/// <summary>
/// Redis发布订阅 发布
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="channel"></param>
/// <param name="msg"></param>
/// <returns></returns>
public static long Publish<T>(string channel, T msg)
{
GetIntance();
ISubscriber sub = _conn.GetSubscriber();
return sub.Publish(channel, ConvertJson(msg));
}
/// <summary>
/// Redis发布订阅 取消订阅
/// </summary>
/// <param name="channel"></param>
public static void Unsubscribe(string channel)
{
GetIntance();
ISubscriber sub = _conn.GetSubscriber();
sub.Unsubscribe(channel);
}
/// <summary>
/// Redis发布订阅 取消全部订阅
/// </summary>
public static void UnsubscribeAll()
{
GetIntance();
ISubscriber sub = _conn.GetSubscriber();
sub.UnsubscribeAll();
}
#endregion 发布订阅
#region 其他
public static ITransaction CreateTransaction()
{
return GetDatabase().CreateTransaction();
}
public static IDatabase GetDatabase()
{
GetIntance();
return _conn.GetDatabase(DbNum);
}
public static IServer GetServer(string hostAndPort)
{
GetIntance();
return _conn.GetServer(hostAndPort);
}
/// <summary>
/// 设置前缀
/// </summary>
/// <param name="customKey"></param>
public static void SetSysCustomKey(string customKey)
{
CustomKey = customKey;
}
#endregion 其他
#region 辅助方法
private static string AddSysCustomKey(string oldKey)
{
var prefixKey = CustomKey ?? RedisConnectionHelp.SysCustomKey;
return prefixKey + oldKey;
}
private static T Do<T>(Func<IDatabase, T> func)
{
GetIntance();
var database = _conn.GetDatabase(DbNum);
return func(database);
}
private static string ConvertJson<T>(T value)
{
string result = value is string ? value.ToString() : JsonConvert.Serialize(value);
return result;
}
private static T ConvertObj<T>(RedisValue value)
{
if (!value.IsNullOrEmpty)
{
return JsonConvert.Deserialize<T>(value);
}
else
{
return default(T);
}
}
private static List<T> ConvetList<T>(RedisValue[] values)
{
List<T> result = new List<T>();
foreach (var item in values)
{
var model = ConvertObj<T>(item);
result.Add(model);
}
return result;
}
private static RedisKey[] ConvertRedisKeys(List<string> redisKeys)
{
return redisKeys.Select(redisKey => (RedisKey)redisKey).ToArray();
}
[DllImport("Iphlpapi.dll")]
static extern int SendARP(Int32 DestIP, Int32 SrcIP, ref Int64 MacAddr, ref Int32 PhyAddrLen);
#endregion 辅助方法
}
RedisConnectionHelp.cs
/// <summary>
/// ConnectionMultiplexer对象管理帮助类
/// </summary>
public static class RedisConnectionHelp
{
//系统自定义Key前缀
public static readonly string SysCustomKey = "";
//"127.0.0.1:6379,allowadmin=true
private static string RedisConnectionString ="";
private static readonly object Locker = new object();
private static ConnectionMultiplexer _instance;
private static readonly ConcurrentDictionary<string, ConnectionMultiplexer> ConnectionCache = new ConcurrentDictionary<string, ConnectionMultiplexer>();
/// <summary>
/// 单例获取
/// </summary>
public static ConnectionMultiplexer Instance
{
get
{
if (_instance == null)
{
lock (Locker)
{
if (_instance == null || !_instance.IsConnected)
{
_instance = GetManager();
}
}
}
return _instance;
}
}
/// <summary>
/// 缓存获取
/// </summary>
/// <param name="connectionString"></param>
/// <returns></returns>
public static ConnectionMultiplexer GetConnectionMultiplexer(string connectionString)
{
if (!ConnectionCache.ContainsKey(connectionString))
{
ConnectionCache[connectionString] = GetManager(connectionString);
}
return ConnectionCache[connectionString];
}
private static ConnectionMultiplexer GetManager(string connectionString = null)
{
connectionString = connectionString ?? RedisConnectionString;
var connect = ConnectionMultiplexer.Connect(connectionString);
//注册如下事件
connect.ConnectionFailed += MuxerConnectionFailed;
connect.ConnectionRestored += MuxerConnectionRestored;
connect.ErrorMessage += MuxerErrorMessage;
connect.ConfigurationChanged += MuxerConfigurationChanged;
connect.HashSlotMoved += MuxerHashSlotMoved;
connect.InternalError += MuxerInternalError;
return connect;
}
#region 事件
/// <summary>
/// 配置更改时
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private static void MuxerConfigurationChanged(object sender, EndPointEventArgs e)
{
Console.WriteLine("Configuration changed: " + e.EndPoint);
}
/// <summary>
/// 发生错误时
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private static void MuxerErrorMessage(object sender, RedisErrorEventArgs e)
{
Console.WriteLine("ErrorMessage: " + e.Message);
}
/// <summary>
/// 重新建立连接之前的错误
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private static void MuxerConnectionRestored(object sender, ConnectionFailedEventArgs e)
{
Console.WriteLine("ConnectionRestored: " + e.EndPoint);
}
/// <summary>
/// 连接失败 , 如果重新连接成功你将不会收到这个通知
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private static void MuxerConnectionFailed(object sender, ConnectionFailedEventArgs e)
{
Console.WriteLine("重新连接:Endpoint failed: " + e.EndPoint + ", " + e.FailureType + (e.Exception == null ? "" : (", " + e.Exception.Message)));
}
/// <summary>
/// 更改集群
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private static void MuxerHashSlotMoved(object sender, HashSlotMovedEventArgs e)
{
Console.WriteLine("HashSlotMoved:NewEndPoint" + e.NewEndPoint + ", OldEndPoint" + e.OldEndPoint);
}
/// <summary>
/// redis类库错误
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private static void MuxerInternalError(object sender, InternalErrorEventArgs e)
{
Console.WriteLine("InternalError:Message" + e.Exception.Message);
}
#endregion 事件
}