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橙子
2023-01-07 19:41:48 +08:00
parent 898be6c733
commit aed0b8c2e5
7 changed files with 40 additions and 27 deletions
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90
Yi.Framework.Net6/Yi.Framework.Core/Cache/Aop/CacheAOPbase.cs Normal file
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using Castle.DynamicProxy;
using Newtonsoft.Json;
using SqlSugar;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
using System.Threading.Tasks;
using Yi.Framework.Common.Base;
using Yi.Framework.Common.Helper;
namespace Yi.Framework.Core.Cache.Aop
{
public abstract class CacheAOPbase : IInterceptor
{
/// <summary>
/// AOP的拦截方法
/// </summary>
/// <param name="invocation"></param>
public abstract void Intercept(IInvocation invocation);
/// <summary>
/// 自定义缓存的key
/// </summary>
/// <param name="invocation"></param>
/// <returns></returns>
protected string CustomCacheKey(IInvocation invocation)
{
var typeName = invocation.TargetType.Name;
var methodName = invocation.Method.Name;
var methodArguments = invocation.Arguments.Select(GetArgumentValue).Take(3).ToList();//获取参数列表，最多三个
string key = $"{typeName}:{methodName}:";
foreach (var param in methodArguments)
{
key = $"{key}{param}:";
}
return key.TrimEnd(':');
}
/// <summary>
/// object 转 string
/// </summary>
/// <param name="arg"></param>
/// <returns></returns>
protected static string GetArgumentValue(object arg)
{
if (arg is DateTime)
return ((DateTime)arg).ToString("yyyyMMddHHmmss");
if (!arg.IsNotNull())
return arg.TryStringNull();
if (arg != null)
{
if (arg is Expression)
{
var obj = arg as Expression;
var result = Resolve(obj);
return MD5Helper.MD5Encrypt16(result);
}
else if (arg.GetType().IsClass)
{
return MD5Helper.MD5Encrypt16(JsonConvert.SerializeObject(arg));
}
return $"value:{arg.TryStringNull()}";
}
return string.Empty;
}
private static string Resolve(Expression expression)
{
ExpressionContext expContext = new ExpressionContext();
expContext.Resolve(expression, ResolveExpressType.WhereSingle);
var value = expContext.Result.GetString();
var pars = expContext.Parameters;
pars.ForEach(s =>
{
value = value.Replace(s.ParameterName, s.Value.TryStringNull());
});
return value;
}
}
}

51
Yi.Framework.Net6/Yi.Framework.Core/Cache/Aop/MemoryCacheAOP.cs Normal file
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using Castle.DynamicProxy;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Yi.Framework.Common.Attribute;
using Yi.Framework.Core.Cache;
namespace Yi.Framework.Core.Cache.Aop
{
public class MemoryCacheAOP : CacheAOPbase
{
private CacheInvoker _cache;
public MemoryCacheAOP(CacheInvoker cache)
{
_cache = cache;
}
public override void Intercept(IInvocation invocation)
{
var method = invocation.MethodInvocationTarget ?? invocation.Method;
var cachingAttribute = method.GetCustomAttributes(true).FirstOrDefault(x => x.GetType() == typeof(CachingAttribute));
if (cachingAttribute is CachingAttribute qCachingAttribute)
{
//获取自定义缓存键
var cacheKey = CustomCacheKey(invocation);
//根据key获取相应的缓存值
var cacheValue = _cache.Get<string>(cacheKey);
if (cacheValue != null)
{
//将当前获取到的缓存值，赋值给当前执行方法
invocation.ReturnValue = cacheValue;
return;
}
//去执行当前的方法
invocation.Proceed();
//存入缓存
if (!string.IsNullOrWhiteSpace(cacheKey))
{
_cache.Set(cacheKey, invocation.ReturnValue, TimeSpan.FromMinutes(qCachingAttribute.AbsoluteExpiration));
}
}
else
{
invocation.Proceed();//直接执行被拦截方法
}
}
}
}

84
Yi.Framework.Net6/Yi.Framework.Core/Cache/Aop/RedisCacheAOP.cs Normal file
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using Castle.DynamicProxy;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Yi.Framework.Core.Cache;
using Yi.Framework.Common.Attribute;
namespace Yi.Framework.Core.Cache.Aop
{
public class RedisCacheAOP : CacheAOPbase
{
private CacheInvoker _cacheDb;
public RedisCacheAOP(CacheInvoker cacheInvoker)
{
_cacheDb = cacheInvoker;
}
public override void Intercept(IInvocation invocation)
{
var method = invocation.MethodInvocationTarget ?? invocation.Method;
if (method.ReturnType == typeof(void) || method.ReturnType == typeof(Task))
{
invocation.Proceed();
return;
}
var qCachingAttribute = method.GetCustomAttributes(true).FirstOrDefault(x => x.GetType() == typeof(CachingAttribute)) as CachingAttribute;
if (qCachingAttribute != null)
{
//获取自定义缓存键
var cacheKey = CustomCacheKey(invocation);
//注意是 string 类型，方法GetValue
var cacheValue = _cacheDb.Get<string>(cacheKey);
if (cacheValue != null)
{
//将当前获取到的缓存值，赋值给当前执行方法
Type returnType;
if (typeof(Task).IsAssignableFrom(method.ReturnType))
{
returnType = method.ReturnType.GenericTypeArguments.FirstOrDefault();
}
else
{
returnType = method.ReturnType;
}
dynamic _result = Newtonsoft.Json.JsonConvert.DeserializeObject(cacheValue, returnType);
invocation.ReturnValue = (typeof(Task).IsAssignableFrom(method.ReturnType)) ? Task.FromResult(_result) : _result;
return;
}
//去执行当前的方法
invocation.Proceed();
//存入缓存
if (!string.IsNullOrWhiteSpace(cacheKey))
{
object response;
//Type type = invocation.ReturnValue?.GetType();
var type = invocation.Method.ReturnType;
if (typeof(Task).IsAssignableFrom(type))
{
var resultProperty = type.GetProperty("Result");
response = resultProperty.GetValue(invocation.ReturnValue);
}
else
{
response = invocation.ReturnValue;
}
if (response == null) response = string.Empty;
_cacheDb.Set(cacheKey, response, TimeSpan.FromMinutes(qCachingAttribute.AbsoluteExpiration));
}
}
else
{
invocation.Proceed();//直接执行被拦截方法
}
}
}
}

1
Yi.Framework.Net6/Yi.Framework.Core/Yi.Framework.Core.csproj
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@@ -12,6 +12,7 @@
<ItemGroup>
<PackageReference Include="AlibabaCloud.SDK.Dysmsapi20170525" Version="2.0.8" />
<PackageReference Include="Castle.Core" Version="5.1.1" />
<PackageReference Include="Consul" Version="1.6.10.3" />
<PackageReference Include="CSRedisCore" Version="3.6.9" />
<PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="6.0.1" />