/// <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)
{
try
{
using (ConnectionMultiplexer redis = ConnectionMultiplexer.Connect(GetConn.GetInstance().Conn()))
{
IDatabase db = redis.GetDatabase();
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);
}
}
catch (Exception ex)
{
NLogger.Error(ex.ToString(), "Cache");
return(null);
}
}
/// <summary>
/// SortedSet 排序 获取
/// </summary>
/// <typeparam name="T">实体对象</typeparam>
/// <param name="key">主键</param>
/// <param name="start">开始 默认 0</param>
/// <param name="end">结束 默认-1 </param>
/// <param name="order">排序 默认降序</param>
/// <returns></returns>
public static List <T> SortedSetRangeByRank <T>(string key, int start = 0, int end = -1, Order order = Order.Descending)
{
try
{
using (ConnectionMultiplexer redis = ConnectionMultiplexer.Connect(GetConn.GetInstance().Conn()))
{
IDatabase db = redis.GetDatabase();
var list = db.SortedSetRangeByRank(key, start, end, order);
if (list != null && list.Length > 0)
{
List <T> result = new List <T>();
foreach (var item in list)
{
var data = JsonHelper.DeserializeObject <T>(item.ToString());
result.Add(data);
}
return(result);
}
return(null);
}
}
catch (Exception ex)
{
NLogger.Error(ex.ToString(), "Cache");
return(null);
}
}
/// <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)
{
try
{
using (ConnectionMultiplexer redis = ConnectionMultiplexer.Connect(GetConn.GetInstance().Conn()))
{
IDatabase db = redis.GetDatabase();
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);
}
}
catch (Exception ex)
{
NLogger.Error(ex.ToString(), "Cache");
return(null);
}
}
/// <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)
{
try
{
using (ConnectionMultiplexer redis = ConnectionMultiplexer.Connect(GetConn.GetInstance().Conn()))
{
IDatabase db = redis.GetDatabase();
if (!string.IsNullOrWhiteSpace(key) && !string.IsNullOrWhiteSpace(hasFildValue))
{
RedisValue value = db.HashGet(key, hasFildValue);
if (!value.IsNullOrEmpty)
{
return(JsonConvert.DeserializeObject <T>(value));
}
}
return(default(T));
}
}
catch (Exception ex)
{
NLogger.Error(ex.ToString(), "Cache");
return(default(T));
}
}
public static GetConn GetInstance()
{
if (_instance == null)
{
_instance = new GetConn();
}
return(_instance);
}
/// <summary>
/// 读取缓存 object
/// </summary>
/// <param name="key">主键</param>
/// <returns></returns>
public static object Get(string key)
{
try
{
using (ConnectionMultiplexer redis = ConnectionMultiplexer.Connect(GetConn.GetInstance().Conn()))
{
IDatabase db = redis.GetDatabase();
return(db.StringGet(key));
}
}
catch (Exception ex)
{
NLogger.Error(ex.ToString(), "Cache");
return(null);
}
}
/// <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)
{
try
{
using (ConnectionMultiplexer redis = ConnectionMultiplexer.Connect(GetConn.GetInstance().Conn()))
{
IDatabase db = redis.GetDatabase();
return(db.KeyDelete(keys));
}
}
catch (Exception ex)
{
NLogger.Error(ex.ToString(), "Cache");
return(0);
}
}
/// <summary>
/// 设置缓存 （永久）
/// </summary>
/// <param name="key">主键</param>
/// <param name="value">值</param>
public static bool Set(string key, string value)
{
try
{
using (ConnectionMultiplexer redis = ConnectionMultiplexer.Connect(GetConn.GetInstance().Conn()))
{
IDatabase db = redis.GetDatabase();
return(db.StringSet(key, value));
}
}
catch (Exception ex)
{
NLogger.Error(ex.ToString(), "Cache");
return(false);
}
}
/// <summary>
/// Hash 删除
/// </summary>
/// <param name="key">主键</param>
/// <param name="hashField">字段主键</param>
/// <returns></returns>
public static bool HashDelete(string key, string hashField)
{
try
{
using (ConnectionMultiplexer redis = ConnectionMultiplexer.Connect(GetConn.GetInstance().Conn()))
{
IDatabase db = redis.GetDatabase();
return(db.HashDelete(key, hashField));
}
}
catch (Exception ex)
{
NLogger.Error(ex.ToString(), "Cache");
return(false);
}
}
/// <summary>
/// SortedSet 添加
/// </summary>
/// <typeparam name="T">实体对象</typeparam>
/// <param name="key">主键</param>
/// <param name="value">实体值</param>
/// <param name="score">排序值</param>
/// <returns></returns>
public static bool SortedSetAdd <T>(string key, T value, double score)
{
try
{
using (ConnectionMultiplexer redis = ConnectionMultiplexer.Connect(GetConn.GetInstance().Conn()))
{
IDatabase db = redis.GetDatabase();
var jsonString = JsonHelper.SerializeObject(value);
return(db.SortedSetAdd(key, jsonString, score));
}
}
catch (Exception ex)
{
NLogger.Error(ex.ToString(), "Cache");
return(false);
}
}
/// <summary>
/// 计数器 -
/// </summary>
/// <param name="key">主键</param>
/// <param name="i">值</param>
public static long Decrement(string key, int i)
{
try
{
using (ConnectionMultiplexer redis = ConnectionMultiplexer.Connect(GetConn.GetInstance().Conn()))
{
IDatabase db = redis.GetDatabase();
return(db.StringDecrement(key, i));
}
}
catch (Exception ex)
{
NLogger.Error(ex.ToString(), "Cache");
return(0);
}
}
/// <summary>
/// 过期 (时间)
/// </summary>
/// <param name="key">主键</param>
/// <param name="expiry">时间</param>
/// <returns></returns>
public static bool KeyExpire(string key, DateTime expiry)
{
try
{
using (ConnectionMultiplexer redis = ConnectionMultiplexer.Connect(GetConn.GetInstance().Conn()))
{
IDatabase db = redis.GetDatabase();
return(db.KeyExpire(key, expiry));
}
}
catch (Exception ex)
{
NLogger.Error(ex.ToString(), "Cache");
return(false);
}
}
/// <summary>
/// 设置缓存 T
/// </summary>
/// <param name="key">主键</param>
/// <param name="value">值</param>
/// <param name="t">过期时间(分钟)</param>
public static bool Set <T>(string key, T value, int i)
{
try
{
using (ConnectionMultiplexer redis = ConnectionMultiplexer.Connect(GetConn.GetInstance().Conn()))
{
TimeSpan t = new TimeSpan(0, i, 0);
IDatabase db = redis.GetDatabase();
var jsonString = JsonHelper.SerializeObject(value);
return(db.StringSet(key, jsonString, t));
}
}
catch (Exception ex)
{
NLogger.Error(ex.ToString(), "Cache");
return(false);
}
}
/// <summary>
/// 读取缓存 List<T>
/// </summary>
/// <param name="key">主键</param>
/// <returns></returns>
public static List <T> GetList <T>(string key)
{
try
{
using (ConnectionMultiplexer redis = ConnectionMultiplexer.Connect(GetConn.GetInstance().Conn()))
{
IDatabase db = redis.GetDatabase();
string result = db.StringGet(key);
var empty = JsonHelper.DeserializeObject <List <T> >(result);
return(empty);
}
}
catch (Exception ex)
{
NLogger.Error(ex.ToString(), "Cache");
return(null);
}
}
/// <summary>
/// Hash 添加
/// </summary>
/// <typeparam name="T">实体对象</typeparam>
/// <param name="key">主键</param>
/// <param name="hashField">字段主键</param>
/// <param name="value">实体值</param>
/// <returns></returns>
public static bool HashSet <T>(string key, string hashField, T value)
{
try
{
using (ConnectionMultiplexer redis = ConnectionMultiplexer.Connect(GetConn.GetInstance().Conn()))
{
IDatabase db = redis.GetDatabase();
var jsonString = JsonHelper.SerializeObject(value);
return(db.HashSet(key, hashField, jsonString));
}
}
catch (Exception ex)
{
NLogger.Error(ex.ToString(), "Cache");
return(false);
}
}
/// <summary>
/// 追加值
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
public static long StringAppend(string key, string value)
{
try
{
using (ConnectionMultiplexer redis = ConnectionMultiplexer.Connect(GetConn.GetInstance().Conn()))
{
IDatabase db = redis.GetDatabase();
////追加值，返回追加后长度
long appendlong = db.StringAppend(key, value);
return(appendlong);
}
}
catch (Exception ex)
{
NLogger.Error(ex.ToString(), "Cache");
return(0);
}
}
/// <summary>
/// 主键key查找
/// </summary>
/// <param name="key">关键字</param>
public static List <string> GetByKey(string key)
{
List <string> result = new List <string>();
try
{
using (ConnectionMultiplexer redis = ConnectionMultiplexer.Connect(GetConn.GetInstance().Conn()))
{
string host = ZConfig.GetConfigString("redispath");
var server = redis.GetServer(host);
foreach (var item in server.Keys(pattern: key))
{
result.Add(item);
}
return(result);
}
}
catch (Exception ex)
{
NLogger.Error(ex.ToString(), "Cache");
return(new List <string>());
}
}
