功能比较全的StackExchange.Redis封装帮助类(.Net/C#)
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//static NewtonsoftSerializer serializer = new NewtonsoftSerializer();
//static StackExchangeRedisCacheClient cacheClient = new StackExchangeRedisCacheClient(serializer);
//private static IDatabase db = cacheClient.Database; private static string connstr = System.Configuration.ConfigurationManager.AppSettings["redisCacheClient"];// "127.0.0.1:6379,allowadmin=true";
private static ConnectionMultiplexer conn = ConnectionMultiplexer.Connect(connstr);
private static IDatabase db = conn.GetDatabase(1); /// <summary>
/// 获取系统的redis key前缀
/// </summary>
/// <param name="resourceid">资源Id</param>
/// <returns></returns>
public static string GetMyKey(string resourceid = "")
{ string Key = "report_";
if (!string.IsNullOrWhiteSpace(resourceid))
{
Key = string.Format("report_res_{0}", resourceid);
}
return Key;
} #region String 可以设置过期时间 同步 /// <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 bool SetStringKey(string key, string value, TimeSpan? expiry = default(TimeSpan?))
{ return db.StringSet(key, value, expiry);
} /// <summary>
/// 保存多个key value
/// </summary>
/// <param name="arr">key</param>
/// <returns></returns>
public static bool SetStringKey(KeyValuePair<RedisKey, RedisValue>[] arr)
{
return db.StringSet(arr);
} /// <summary>
/// 保存一个对象
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <param name="obj"></param>
/// <returns></returns>
public static bool SetStringKey<T>(string key, T obj, TimeSpan? expiry = default(TimeSpan?))
{
string json = JsonConvert.SerializeObject(obj);
return db.StringSet(key, json, expiry);
} /// <summary>
/// 获取单个key的值
/// </summary>
/// <param name="key">Redis Key</param>
/// <returns></returns> public static RedisValue GetStringKey(string key)
{
return db.StringGet(key);
} /// <summary>
/// 获取多个Key
/// </summary>
/// <param name="listKey">Redis Key集合</param>
/// <returns></returns>
public static RedisValue[] GetStringKey(List<RedisKey> listKey)
{
return db.StringGet(listKey.ToArray());
} /// <summary>
/// 获取一个key的对象
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <returns></returns>
public static T GetStringKey<T>(string key)
{
return JsonConvert.DeserializeObject<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 double StringIncrement(string key, double val = 1)
{
return 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 double StringDecrement(string key, double val = 1)
{
return db.StringDecrement(key, val);
} #endregion #region String 可以设置过期时间 异步 /// <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> SetStringKeyAsync(string key, string value, TimeSpan? expiry = default(TimeSpan?))
{ return await db.StringSetAsync(key, value, expiry);
} /// <summary>
/// 保存多个key value
/// </summary>
/// <param name="arr">key</param>
/// <returns></returns>
public static async Task<bool> SetStringKeyAsync(KeyValuePair<RedisKey, RedisValue>[] arr)
{
return await db.StringSetAsync(arr);
} /// <summary>
/// 保存一个对象
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <param name="obj"></param>
/// <returns></returns>
public static async Task<bool> SetStringKeyAsync<T>(string key, T obj, TimeSpan? expiry = default(TimeSpan?))
{
string json = JsonConvert.SerializeObject(obj);
return await 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<RedisValue> GetStringKeyAsync(string key)
{
return await 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[]> GetStringKeyAsync(List<RedisKey> listKey)
{
return await db.StringGetAsync(listKey.ToArray());
} /// <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> GetStringKeyAsync<T>(string key)
{
return JsonConvert.DeserializeObject<T>(await db.StringGetAsync(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 async Task<double> StringIncrementAsync(string key, double val = 1)
{
return await 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 async Task<double> StringDecrementAsync(string key, double val = 1)
{
return await db.StringDecrementAsync(key, val);
}
#endregion #region Hash 同步
/// <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 HashSet1<T>(string key, string dataKey, List<T> t)
{
string json = "";
foreach (var item in t)
{
json = JsonConvert.SerializeObject(item);
//listHashEntry.Add(new HashEntry(getModelId(item), json));
}
return db.HashSet(key, dataKey, json); //return await ({
// string json = ConvertJson(t);
// return db.HashSetAsync(key, dataKey, json);
//});
}
/// <summary>
/// 保存一个集合
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key">Redis Key</param>
/// <param name="list">数据集合</param>
/// <param name="getModelId"></param>
public static void HashSet<T>(string key, List<T> list, Func<T, string> getModelId)
{
List<HashEntry> listHashEntry = new List<HashEntry>();
foreach (var item in list)
{
string json = JsonConvert.SerializeObject(item);
listHashEntry.Add(new HashEntry(getModelId(item), json));
}
db.HashSet(key, listHashEntry.ToArray());
} /// <summary>
/// 获取Hash中的单个key的值
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key">Redis Key</param>
/// <param name="hasFildValue">RedisValue</param>
/// <returns></returns>
public static T GetHashKey<T>(string key, string hasFildValue)
{
if (!string.IsNullOrWhiteSpace(key) && !string.IsNullOrWhiteSpace(hasFildValue))
{
RedisValue value = db.HashGet(key, hasFildValue);
if (!value.IsNullOrEmpty)
{
return JsonConvert.DeserializeObject<T>(value);
}
}
return default(T);
} /// <summary>
/// 获取hash中的多个key的值
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key">Redis Key</param>
/// <param name="listhashFields">RedisValue value</param>
/// <returns></returns>
public static List<T> GetHashKey<T>(string key, List<RedisValue> listhashFields)
{
List<T> result = new List<T>();
if (!string.IsNullOrWhiteSpace(key) && listhashFields.Count > 0)
{
RedisValue[] value = db.HashGet(key, listhashFields.ToArray());
foreach (var item in value)
{
if (!item.IsNullOrEmpty)
{
result.Add(JsonConvert.DeserializeObject<T>(item));
}
}
}
return result;
} /// <summary>
/// 获取hashkey所有Redis key
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <returns></returns>
public static List<T> GetHashAll<T>(string key)
{
List<T> result = new List<T>();
RedisValue[] arr = db.HashKeys(key);
foreach (var item in arr)
{
if (!item.IsNullOrEmpty)
{
result.Add(JsonConvert.DeserializeObject<T>(item));
}
}
return result;
} /// <summary>
/// 获取hashkey所有的值
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <returns></returns>
public static List<T> HashGetAll<T>(string key)
{
List<T> result = new List<T>();
HashEntry[] arr = db.HashGetAll(key);
foreach (var item in arr)
{
if (!item.Value.IsNullOrEmpty)
{
result.Add(JsonConvert.DeserializeObject<T>(item.Value));
}
}
return result;
} /// <summary>
/// 删除hasekey
/// </summary>
/// <param name="key"></param>
/// <param name="hashField"></param>
/// <returns></returns>
public static bool DeleteHase(RedisKey key, RedisValue hashField)
{
return db.HashDelete(key, hashField);
} #endregion #region Hash 异步
/// <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, List<T> t)
{
string json = "";
foreach (var item in t)
{
json = JsonConvert.SerializeObject(item);
}
return await db.HashSetAsync(key, dataKey, json); } /// <summary>
/// 获取Hash中的单个key的值
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key">Redis Key</param>
/// <param name="hasFildValue">RedisValue</param>
/// <returns></returns>
public static async Task<T> GetHashKeyAsync<T>(string key, string hasFildValue)
{
if (!string.IsNullOrWhiteSpace(key) && !string.IsNullOrWhiteSpace(hasFildValue))
{
RedisValue value = await db.HashGetAsync(key, hasFildValue);
if (!value.IsNullOrEmpty)
{
return JsonConvert.DeserializeObject<T>(value);
}
}
return default(T);
} /// <summary>
/// 获取hash中的多个key的值
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key">Redis Key</param>
/// <param name="listhashFields">RedisValue value</param>
/// <returns></returns>
public static async Task<List<T>> GetHashKeyAsync<T>(string key, List<RedisValue> listhashFields)
{
List<T> result = new List<T>();
if (!string.IsNullOrWhiteSpace(key) && listhashFields.Count > 0)
{
RedisValue[] value = await db.HashGetAsync(key, listhashFields.ToArray());
foreach (var item in value)
{
if (!item.IsNullOrEmpty)
{
result.Add(JsonConvert.DeserializeObject<T>(item));
}
}
}
return result;
} /// <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>> GetHashAllAsync<T>(string key)
{
List<T> result = new List<T>();
RedisValue[] arr =await db.HashKeysAsync(key);
foreach (var item in arr)
{
if (!item.IsNullOrEmpty)
{
result.Add(JsonConvert.DeserializeObject<T>(item));
}
}
return result;
} /// <summary>
/// 获取hashkey所有的值
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <returns></returns>
public static async Task<List<T>> HashGetAllAsync<T>(string key)
{
List<T> result = new List<T>();
HashEntry[] arr =await db.HashGetAllAsync(key);
foreach (var item in arr)
{
if (!item.Value.IsNullOrEmpty)
{
result.Add(JsonConvert.DeserializeObject<T>(item.Value));
}
}
return result;
} /// <summary>
/// 删除hasekey
/// </summary>
/// <param name="key"></param>
/// <param name="hashField"></param>
/// <returns></returns>
public static async Task<bool> DeleteHaseAsync(RedisKey key, RedisValue hashField)
{
return await db.HashDeleteAsync(key, hashField);
} #endregion #region key 同步 /// <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)
{
return 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(RedisKey[] keys)
{
return db.KeyDelete(keys);
} /// <summary>
/// 判断key是否存储
/// </summary>
/// <param name="key">redis key</param>
/// <returns></returns>
public static bool KeyExists(string key)
{
return 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)
{
return 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?))
{
return db.KeyExpire(key, expiry);
}
#endregion #region key 异步 /// <summary>
/// 删除单个key
/// </summary>
/// <param name="key">redis key</param>
/// <returns>是否删除成功</returns>
public static async Task<bool> KeyDeleteAsync(string key)
{
return await db.KeyDeleteAsync(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(RedisKey[] keys)
{
return await db.KeyDeleteAsync(keys);
} /// <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)
{
return await db.KeyExistsAsync(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 async Task<bool> KeyRenameAsync(string key, string newKey)
{
return await 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?))
{
return await db.KeyExpireAsync(key, expiry);
}
#endregion #region List 同步 /// <summary>
/// 移除指定ListId的内部List的值
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
public void ListRemove<T>(string key, T value)
{
db.ListRemove(key, JsonConvert.SerializeObject(value));
} /// <summary>
/// 获取指定key的List
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public List<T> ListRange<T>(string key)
{
var values = db.ListRange(key);
List<T> result = new List<T>();
foreach (var item in values)
{
var model = JsonConvert.DeserializeObject<T>(item);
result.Add(model);
}
return result;
} /// <summary>
/// 入队
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
public void ListRightPush<T>(string key, T value)
{
db.ListRightPush(key, JsonConvert.SerializeObject(value));
} /// <summary>
/// 出队
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <returns></returns>
public T ListRightPop<T>(string key)
{
var value = db.ListRightPop(key);
return JsonConvert.DeserializeObject<T>(value);
} /// <summary>
/// 获取集合中的数量
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public long ListLength(string key)
{
return db.ListLength(key);
} #endregion 同步方法 #region List 异步 /// <summary>
/// 移除指定ListId的内部List的值
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
public async Task<long> ListRemoveAsync<T>(string key, T value)
{
return await db.ListRemoveAsync(key, JsonConvert.SerializeObject(value));
} /// <summary>
/// 获取指定key的List
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public async Task<List<T>> ListRangeAsync<T>(string key)
{
var values =await db.ListRangeAsync(key);
List<T> result = new List<T>();
foreach (var item in values)
{
var model = JsonConvert.DeserializeObject<T>(item);
result.Add(model);
}
return result;
} /// <summary>
/// 入队
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
public async Task<long> ListRightPushAsync<T>(string key, T value)
{
return await db.ListRightPushAsync(key, JsonConvert.SerializeObject(value));
} /// <summary>
/// 出队
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <returns></returns>
public async Task<T> ListRightPopAsync<T>(string key)
{
var value = await db.ListRightPopAsync(key);
return JsonConvert.DeserializeObject<T>(value);
} /// <summary>
/// 获取集合中的数量
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public async Task<long> ListLengthAsync(string key)
{
return await db.ListLengthAsync(key);
} #endregion 异步方法 #region SortedSet 同步 /// <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)
{
return db.SortedSetAdd(key, JsonConvert.SerializeObject(value), score);
} /// <summary>
/// 删除
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
public static bool SortedSetRemove<T>(string key, T value)
{
return db.SortedSetRemove(key, JsonConvert.SerializeObject(value));
} /// <summary>
/// 获取全部
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public static List<T> SortedSetRangeByRank<T>(string key)
{
var values = db.SortedSetRangeByRank(key); List<T> result = new List<T>();
foreach (var item in values)
{
var model = JsonConvert.DeserializeObject<T>(item);
result.Add(model);
}
return result;
} /// <summary>
/// 获取集合中的数量
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public static long SortedSetLength(string key)
{
return db.SortedSetLength(key);
} #endregion 同步方法 #region SortedSet 异步 /// <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)
{
return await db.SortedSetAddAsync(key, JsonConvert.SerializeObject(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)
{
return await db.SortedSetRemoveAsync(key, JsonConvert.SerializeObject(value));
} /// <summary>
/// 获取全部
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public static async Task<List<T>> SortedSetRangeByRankAsync<T>(string key)
{
var values = await db.SortedSetRangeByRankAsync(key);
List<T> result = new List<T>();
foreach (var item in values)
{
var model = JsonConvert.DeserializeObject<T>(item);
result.Add(model);
}
return result;
} /// <summary>
/// 获取集合中的数量
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public static async Task<long> SortedSetLengthAsync(string key)
{
return await db.SortedSetLengthAsync(key);
} #endregion 异步方法 /// <summary>
/// 追加值
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
public static void StringAppend(string key, string value)
{
////追加值，返回追加后长度
long appendlong = db.StringAppend(key, value);
}
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- [LeetCode] Number of Matching Subsequences 匹配的子序列的个数
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On the first row, we write a 0. Now in every subsequent row, we look at the previous row and replace ...
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