操控平台后端代码
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// 大名科技(天津)有限公司版权所有 电话:18020030720 QQ:515096995
//
// 此源代码遵循位于源代码树根目录中的 LICENSE 文件的许可证
using NewLife.Caching.Models;
namespace Admin.NET.Core.Service;
/// <summary>
/// 系统缓存服务
/// </summary>
[ApiDescriptionSettings(Order = 400)]
public class SysCacheService : IDynamicApiController, ISingleton
{
private readonly ICache _cache;
private readonly CacheOptions _cacheOptions;
public SysCacheService(ICache cache, IOptions<CacheOptions> cacheOptions)
{
_cache = cache;
_cacheOptions = cacheOptions.Value;
}
/// <summary>
/// 获取缓存键名集合
/// </summary>
/// <returns></returns>
[DisplayName("获取缓存键名集合")]
public List<string> GetKeyList()
{
return _cache == Cache.Default
? _cache.Keys.Where(u => u.StartsWith(_cacheOptions.Prefix)).Select(u => u[_cacheOptions.Prefix.Length..]).OrderBy(u => u).ToList()
: ((FullRedis)_cache).Search($"{_cacheOptions.Prefix}*", int.MaxValue).Select(u => u[_cacheOptions.Prefix.Length..]).OrderBy(u => u).ToList();
}
/// <summary>
/// 增加缓存
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
/// <returns></returns>
[NonAction]
public bool Set(string key, object value)
{
if (string.IsNullOrWhiteSpace(key)) return false;
return _cache.Set($"{_cacheOptions.Prefix}{key}", value);
}
/// <summary>
/// 增加缓存并设置过期时间
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
/// <param name="expire"></param>
/// <returns></returns>
[NonAction]
public bool Set(string key, object value, TimeSpan expire)
{
if (string.IsNullOrWhiteSpace(key)) return false;
return _cache.Set($"{_cacheOptions.Prefix}{key}", value, expire);
}
/// <summary>
/// 获取缓存
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <returns></returns>
[NonAction]
public T Get<T>(string key)
{
return _cache.Get<T>($"{_cacheOptions.Prefix}{key}");
}
/// <summary>
/// 删除缓存
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
[ApiDescriptionSettings(Name = "Delete"), HttpPost]
[DisplayName("删除缓存")]
public int Remove(string key)
{
return _cache.Remove($"{_cacheOptions.Prefix}{key}");
}
/// <summary>
/// 检查缓存是否存在
/// </summary>
/// <param name="key">键</param>
/// <returns></returns>
[NonAction]
public bool ExistKey(string key)
{
return _cache.ContainsKey($"{_cacheOptions.Prefix}{key}");
}
/// <summary>
/// 根据键名前缀删除缓存
/// </summary>
/// <param name="prefixKey">键名前缀</param>
/// <returns></returns>
[ApiDescriptionSettings(Name = "DeleteByPreKey"), HttpPost]
[DisplayName("根据键名前缀删除缓存")]
public int RemoveByPrefixKey(string prefixKey)
{
var delKeys = _cache == Cache.Default
? _cache.Keys.Where(u => u.StartsWith($"{_cacheOptions.Prefix}{prefixKey}")).ToArray()
: ((FullRedis)_cache).Search($"{_cacheOptions.Prefix}{prefixKey}*", int.MaxValue).ToArray();
return _cache.Remove(delKeys);
}
/// <summary>
/// 根据键名前缀获取键名集合
/// </summary>
/// <param name="prefixKey">键名前缀</param>
/// <returns></returns>
[DisplayName("根据键名前缀获取键名集合")]
public List<string> GetKeysByPrefixKey(string prefixKey)
{
return _cache == Cache.Default
? _cache.Keys.Where(u => u.StartsWith($"{_cacheOptions.Prefix}{prefixKey}")).Select(u => u[_cacheOptions.Prefix.Length..]).ToList()
: ((FullRedis)_cache).Search($"{_cacheOptions.Prefix}{prefixKey}*", int.MaxValue).Select(u => u[_cacheOptions.Prefix.Length..]).ToList();
}
/// <summary>
/// 获取缓存值
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
[DisplayName("获取缓存值")]
public object GetValue(string key)
{
return _cache == Cache.Default
? _cache.Get<object>($"{_cacheOptions.Prefix}{key}")
: _cache.Get<string>($"{_cacheOptions.Prefix}{key}");
}
/// <summary>
/// 获取或添加缓存,在数据不存在时执行委托请求数据
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <param name="callback"></param>
/// <param name="expire">过期时间,单位秒</param>
/// <returns></returns>
[NonAction]
public T GetOrAdd<T>(string key, Func<string, T> callback, int expire = -1)
{
if (string.IsNullOrWhiteSpace(key)) return default;
return _cache.GetOrAdd($"{_cacheOptions.Prefix}{key}", callback, expire);
}
[NonAction]
public RedisHash<string, T> GetHashMap<T>(string key)
{
return _cache.GetDictionary<T>(key) as RedisHash<string, T>;
}
/// <summary>
/// 批量添加HASH
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <param name="dic"></param>
/// <returns></returns>
[NonAction]
public bool HashSet<T>(string key, Dictionary<string, T> dic)
{
var hash = GetHashMap<T>(key);
return hash.HMSet(dic);
}
/// <summary>
/// 添加一条HASH
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <param name="hashKey"></param>
/// <param name="value"></param>
[NonAction]
public void HashAdd<T>(string key, string hashKey, T value)
{
var hash = GetHashMap<T>(key);
hash.Add(hashKey, value);
}
/// <summary>
/// 获取多条HASH
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <param name="fields"></param>
/// <returns></returns>
[NonAction]
public List<T> HashGet<T>(string key, params string[] fields)
{
var hash = GetHashMap<T>(key);
var result = hash.HMGet(fields);
return result.ToList();
}
/// <summary>
/// 获取一条HASH
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <param name="field"></param>
/// <returns></returns>
[NonAction]
public T HashGetOne<T>(string key, string field)
{
var hash = GetHashMap<T>(key);
var result = hash.HMGet(new string[] { field });
return result[0];
}
/// <summary>
/// 根据KEY获取所有HASH
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <returns></returns>
[NonAction]
public IDictionary<string, T> HashGetAll<T>(string key)
{
var hash = GetHashMap<T>(key);
return hash.GetAll();
}
/// <summary>
/// 删除HASH
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <param name="fields"></param>
/// <returns></returns>
[NonAction]
public int HashDel<T>(string key, params string[] fields)
{
var hash = GetHashMap<T>(key);
return hash.HDel(fields);
}
/// <summary>
/// 搜索HASH
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <param name="searchModel"></param>
/// <returns></returns>
[NonAction]
public List<KeyValuePair<string, T>> HashSearch<T>(string key, SearchModel searchModel)
{
var hash = GetHashMap<T>(key);
return hash.Search(searchModel).ToList();
}
/// <summary>
/// 搜索HASH
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <param name="pattern"></param>
/// <param name="count"></param>
/// <returns></returns>
[NonAction]
public List<KeyValuePair<string, T>> HashSearch<T>(string key, string pattern, int count)
{
var hash = GetHashMap<T>(key);
return hash.Search(pattern, count).ToList();
}
}