This commit is contained in:
geh 2025-04-14 20:35:08 +08:00
parent 4d7e4d1806
commit dd045eb516
3 changed files with 2512 additions and 0 deletions

View File

@ -0,0 +1,127 @@
using System;
using StackExchange.Redis;
namespace BLL
{
/// <summary>
/// 接口
/// </summary>
public interface ICache
{
/// <summary>
/// 缓存过期时间
/// </summary>
int TimeOut { set; get; }
/// <summary>
/// 获得指定键的缓存值
/// </summary>
/// <param name="key">缓存键</param>
/// <returns>缓存值</returns>
object Get(string key);
/// <summary>
/// 获得指定键的缓存值
/// </summary>
T Get<T>(string key);
/// <summary>
/// 从缓存中移除指定键的缓存值
/// </summary>
/// <param name="key">缓存键</param>
void Remove(string key);
/// <summary>
/// 清空所有缓存对象
/// </summary>
//void Clear();
/// <summary>
/// 将指定键的对象添加到缓存中
/// </summary>
/// <param name="key">缓存键</param>
/// <param name="data">缓存值</param>
void Insert(string key, object data);
/// <summary>
/// 将指定键的对象添加到缓存中
/// </summary>
/// <param name="key">缓存键</param>
/// <param name="data">缓存值</param>
void Insert<T>(string key, T data);
/// <summary>
/// 将指定键的对象添加到缓存中,并指定过期时间
/// </summary>
/// <param name="key">缓存键</param>
/// <param name="data">缓存值</param>
/// <param name="cacheTime">缓存过期时间(秒钟)</param>
void Insert(string key, object data, int cacheTime);
/// <summary>
/// 将指定键的对象添加到缓存中,并指定过期时间
/// </summary>
/// <param name="key">缓存键</param>
/// <param name="data">缓存值</param>
/// <param name="cacheTime">缓存过期时间(秒钟)</param>
void Insert<T>(string key, T data, int cacheTime);
/// <summary>
/// 将指定键的对象添加到缓存中,并指定过期时间
/// </summary>
/// <param name="key">缓存键</param>
/// <param name="data">缓存值</param>
/// <param name="cacheTime">缓存过期时间</param>
void Insert(string key, object data, DateTime cacheTime);
/// <summary>
/// 将指定键的对象添加到缓存中,并指定过期时间
/// </summary>
/// <param name="key">缓存键</param>
/// <param name="data">缓存值</param>
/// <param name="cacheTime">缓存过期时间</param>
void Insert<T>(string key, T data, DateTime cacheTime);
/// <summary>
/// 判断key是否存在
/// </summary>
bool Exists(string key);
/// <summary>
/// 右侧入队
/// </summary>
/// <param name="queueName"></param>
/// <param name="redisValue"></param>
/// <returns></returns>
long EnqueueListRightPush(RedisKey queueName, RedisValue redisValue);
/// <summary>
/// 左侧入队
/// </summary>
/// <param name="queueName"></param>
/// <param name="redisvalue"></param>
/// <returns></returns>
long EnqueueListLeftPush(RedisKey queueName, RedisValue redisvalue);
/// <summary>
/// 获取队列长度
/// </summary>
/// <param name="queueName"></param>
/// <returns></returns>
long EnqueueListLength(RedisKey queueName);
/// <summary>
/// 左侧出队
/// </summary>
/// <param name="queueName"></param>
/// <returns></returns>
string DequeueListPopLeft(RedisKey queueName);
/// <summary>
/// 右侧出队
/// </summary>
/// <param name="queueName"></param>
/// <returns></returns>
string DequeueListPopRight(RedisKey queueName);
/// <summary>
/// 分布式加锁
/// </summary>
/// <param name="key">键</param>
/// <param name="data">值</param>
/// <param name="seconds">过期时间</param>
/// <returns></returns>
bool LockTake(string key, string data, TimeSpan seconds, int db = 0);
/// <summary>
/// 解锁
/// </summary>
/// <param name="key">键</param>
/// <param name="data">值</param>
/// <returns></returns>
bool LockRelease(string key, string data, int db = -1);
}
}

View File

@ -0,0 +1,308 @@
using System;
using System.Configuration;
using Newtonsoft.Json;
using StackExchange.Redis;
namespace BLL
{
/// <summary>
///
/// </summary>
public class Redis : ICache
{
int Default_Timeout = 600;//默认超时时间(单位秒)
string address;
JsonSerializerSettings jsonConfig = new JsonSerializerSettings() { ReferenceLoopHandling = Newtonsoft.Json.ReferenceLoopHandling.Ignore, NullValueHandling = NullValueHandling.Ignore };
ConnectionMultiplexer connectionMultiplexer;
IDatabase database;
class CacheObject<T>
{
public int ExpireTime { get; set; }
public bool ForceOutofDate { get; set; }
public T Value { get; set; }
}
/// <summary>
///
/// </summary>
/// <param name="dbbase"></param>
public Redis(int dbbase = 0)
{
this.address = this.address = ConfigurationManager.AppSettings["RedisHosts"];
if (this.address == null || string.IsNullOrWhiteSpace(this.address.ToString()))
throw new ApplicationException("配置文件中未找到RedisServer的有效配置");
connectionMultiplexer = ConnectionMultiplexer.Connect(address);
database = connectionMultiplexer.GetDatabase(dbbase);
}
/// <summary>
/// 连接超时设置
/// </summary>
public int TimeOut
{
get
{
return Default_Timeout;
}
set
{
Default_Timeout = value;
}
}
/// <summary>
///
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public object Get(string key)
{
return Get<object>(key);
}
/// <summary>
///
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <returns></returns>
public T Get<T>(string key)
{
DateTime begin = DateTime.Now;
var cacheValue = database.StringGet(key);
DateTime endCache = DateTime.Now;
var value = default(T);
if (!cacheValue.IsNull)
{
var cacheObject = JsonConvert.DeserializeObject<CacheObject<T>>(cacheValue, jsonConfig);
if (!cacheObject.ForceOutofDate)
database.KeyExpire(key, new TimeSpan(0, 0, cacheObject.ExpireTime));
value = cacheObject.Value;
}
DateTime endJson = DateTime.Now;
return value;
}
/// <summary>
///
/// </summary>
/// <param name="key"></param>
/// <param name="data"></param>
public void Insert(string key, object data)
{
var jsonData = GetJsonData(data, TimeOut, false);
database.StringSet(key, jsonData);
}
/// <summary>
///
/// </summary>
/// <param name="key"></param>
/// <param name="data"></param>
/// <param name="cacheTime"></param>
public void Insert(string key, object data, int cacheTime)
{
var timeSpan = TimeSpan.FromSeconds(cacheTime);
var jsonData = GetJsonData(data, TimeOut, true);
database.StringSet(key, jsonData, timeSpan);
}
/// <summary>
///
/// </summary>
/// <param name="key"></param>
/// <param name="data"></param>
/// <param name="cacheTime"></param>
public void Insert(string key, object data, DateTime cacheTime)
{
var timeSpan = cacheTime - DateTime.Now;
var jsonData = GetJsonData(data, TimeOut, true);
database.StringSet(key, jsonData, timeSpan);
}
/// <summary>
///
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <param name="data"></param>
public void Insert<T>(string key, T data)
{
var jsonData = GetJsonData<T>(data, TimeOut, false);
database.StringSet(key, jsonData);
}
/// <summary>
///
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <param name="data"></param>
/// <param name="cacheTime"></param>
public void Insert<T>(string key, T data, int cacheTime)
{
var timeSpan = TimeSpan.FromSeconds(cacheTime);
var jsonData = GetJsonData<T>(data, TimeOut, true);
database.StringSet(key, jsonData, timeSpan);
}
/// <summary>
///
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <param name="data"></param>
/// <param name="cacheTime"></param>
public void Insert<T>(string key, T data, DateTime cacheTime)
{
var timeSpan = cacheTime - DateTime.Now;
var jsonData = GetJsonData<T>(data, TimeOut, true);
database.StringSet(key, jsonData, timeSpan);
}
/// <summary>
///
/// </summary>
/// <param name="data"></param>
/// <param name="cacheTime"></param>
/// <param name="forceOutOfDate"></param>
/// <returns></returns>
string GetJsonData(object data, int cacheTime, bool forceOutOfDate)
{
var cacheObject = new CacheObject<object>() { Value = data, ExpireTime = cacheTime, ForceOutofDate = forceOutOfDate };
return JsonConvert.SerializeObject(cacheObject, jsonConfig);//序列化对象
}
/// <summary>
///
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="data"></param>
/// <param name="cacheTime"></param>
/// <param name="forceOutOfDate"></param>
/// <returns></returns>
string GetJsonData<T>(T data, int cacheTime, bool forceOutOfDate)
{
var cacheObject = new CacheObject<T>() { Value = data, ExpireTime = cacheTime, ForceOutofDate = forceOutOfDate };
return JsonConvert.SerializeObject(cacheObject, jsonConfig);//序列化对象
}
/// <summary>
/// 删除
/// </summary>
/// <param name="key"></param>
public void Remove(string key)
{
database.KeyDelete(key, CommandFlags.HighPriority);
}
/// <summary>
/// 判断key是否存在
/// </summary>
public bool Exists(string key)
{
return database.KeyExists(key);
}
/// <summary>
/// 右侧入队
/// </summary>
/// <param name="queueName">队列名称</param>
/// <param name="redisValue">值</param>
/// <returns></returns>
public long EnqueueListRightPush(RedisKey queueName, RedisValue redisValue)
{
return database.ListRightPush(queueName, redisValue);
}
/// <summary>
/// 左侧入队
/// </summary>
/// <param name="queueName">队列名称</param>
/// <param name="redisvalue">队列值</param>
/// <returns></returns>
public long EnqueueListLeftPush(RedisKey queueName, RedisValue redisvalue)
{
return database.ListLeftPush(queueName, redisvalue);
}
/// <summary>
/// 获取队列长度
/// </summary>
/// <param name="queueName">队列名称</param>
/// <returns></returns>
public long EnqueueListLength(RedisKey queueName)
{
if (database.KeyExists(queueName))
{
return database.ListLength(queueName);
}
else
{
return 0;
}
}
/// <summary>
/// 左侧出队
/// </summary>
/// <param name="queueName"></param>
/// <returns></returns>
public string DequeueListPopLeft(RedisKey queueName)
{
int count = database.ListRange(queueName).Length;
if (count > 0)
{
string redisValue = database.ListLeftPop(queueName);
if (!string.IsNullOrEmpty(redisValue))
return redisValue;
else
return string.Empty;
}
else
{
return "-1";
throw new Exception($"队列{queueName}数据为零");
}
}
/// <summary>
/// 右侧出队
/// </summary>
public string DequeueListPopRight(RedisKey queueName)
{
int count = database.ListRange(queueName).Length;
if (count > 0)
{
string redisValue = database.ListRightPop(queueName);
if (!string.IsNullOrEmpty(redisValue))
return redisValue;
else
return string.Empty;
}
else
{
return "-1";
throw new Exception($"队列{queueName}数据为零");
}
}
/// <summary>
/// 分布式加锁
/// </summary>
/// <param name="key">键</param>
/// <param name="data">值</param>
/// <param name="seconds">过期时间</param>
/// <returns></returns>
public bool LockTake(string key, string data, TimeSpan seconds, int db = 0)
{
return database.LockTake(key, data, seconds);
}
/// <summary>
/// 解锁
/// </summary>
/// <param name="key">键</param>
/// <param name="data">值</param>
/// <returns></returns>
public bool LockRelease(string key, string data, int db = -1)
{
return database.LockRelease(key, data);
}
}
}

File diff suppressed because it is too large Load Diff