/// <summary>
/// 菜单表任何操作将缓存重置
/// </summary>
public async void RestMenuCache()
{
_redisCacheManager.Remove("Menu");
var menus = await GetMenuList();
_redisCacheManager.Set("Menu", menus);
}
/// <summary>
/// 释放组对象
/// </summary>
/// <param name="exception"></param>
/// <returns></returns>
public override async Task OnDisconnectedAsync(Exception exception)
{
if (Context.User.Claims.Any())
{
var Id = Context.User.Claims.FirstOrDefault(x => x.Type == "Id").Value.ToGuid();//链接释放将用户关联的ConnectionID从缓存中移除
_redisCacheManager.Remove(Id.ToString());
}
await base.OnDisconnectedAsync(exception);
}
/// <summary>
/// 添加用户登录信息
/// </summary>
/// <param name="code"></param>
/// <returns></returns>
public async Task <bool> PostWx_UserOpenIdAsync(string code)
{
string url = "https://api.weixin.qq.com/sns/jscode2session?appid=" + WxConfig.AppId + "&secret=" + WxConfig.AppSecret + "&js_code=" + code + "&grant_type=authorization_code";
Wx_UserOpenId userLog = new Wx_UserOpenId();
userLog.ID = IdHelper.CreateGuid();
string returnText = WxHelper.GetResponse(url);
if (returnText != "")
{
JObject obj = Newtonsoft.Json.Linq.JObject.Parse(returnText);
string openid = obj["openid"].ToString();
string sessionkey = obj["session_key"].ToString();
userLog.OpenId = openid;
_redisCacheManager.Remove("myOpenId");
_redisCacheManager.Remove("mySessionKey");
_redisCacheManager.Set("myOpenId", openid, TimeSpan.FromHours(2));
_redisCacheManager.Set("mySessionKey", sessionkey, TimeSpan.FromHours(2));
}
userLog.LoginTime = DateTime.Now;
var result = 0;
return(await Task.Run(() =>
{
var isAny = db.Queryable <Wx_UserOpenId>().Where(it => it.OpenId == userLog.OpenId).Any();//是否存在
if (isAny == false)
{
result = db.Insertable(userLog).ExecuteCommand();
}
else
{
result = db.Updateable <Wx_UserOpenId>().SetColumns(it => new Wx_UserOpenId()
{
LoginTime = userLog.LoginTime
})
.Where(it => it.OpenId == userLog.OpenId).ExecuteCommand();
}
return result > 0;
}));
}
/// <summary>
/// 菜单表任何操作将缓存重置
/// </summary>
public async Task RestMenuCache()
{
try
{
_redisCacheManager.Remove("Menu");
var list = await this._menuRepositoty.GetAll(x => x.IsDrop == false).AsNoTracking().ToListAsync();
_redisCacheManager.Set("Menu", list);
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// 获取微信用户openid
/// </summary>
/// <param name="code"></param>
/// <returns></returns>
public static string GetOpenId(string code)
{
string url = "https://api.weixin.qq.com/sns/jscode2session?appid=" + WxConfig.AppId + "&secret=" + WxConfig.AppSecret + "&js_code=" + code + "&grant_type=authorization_code";
WebClient wc = new System.Net.WebClient();
wc.Credentials = CredentialCache.DefaultCredentials;
wc.Encoding = Encoding.UTF8;
string returnText = wc.DownloadString(url);
if (returnText.Contains("errcode"))
{
//可能发生错误
}
JObject obj = Newtonsoft.Json.Linq.JObject.Parse(returnText);
string openid = obj["openid"].ToString();
string sessionkey = obj["session_key"].ToString();
_redisCacheManager.Remove("myOpenId");
_redisCacheManager.Remove("mySessionKey");
_redisCacheManager.Set("myOpenId", openid, TimeSpan.FromHours(2));
_redisCacheManager.Set("mySessionKey", sessionkey, TimeSpan.FromHours(2));
return(openid);
}
//Intercept方法是拦截的关键所在，也是IInterceptor接口中的唯一定义
//代码已经合并 ，学习pr流程
public override void Intercept(IInvocation invocation)
{
var method = invocation.MethodInvocationTarget ?? invocation.Method;
if (method.ReturnType == typeof(void) || method.ReturnType == typeof(Task))
{
invocation.Proceed();
return;
}
//对当前方法的特性验证
if (method.GetCustomAttributes(true).FirstOrDefault(x => x.GetType() == typeof(CachingAttribute)) is CachingAttribute qCachingAttribute)
{
//获取自定义缓存键
var cacheKey = qCachingAttribute.CustomKeyValue ?? CustomCacheKey(invocation);
var cacheValue = _cache.GetValue(cacheKey);
if (cacheValue != null)
{
if (qCachingAttribute.IsDelete)
{
//删除Redis里面的数据
_cache.Remove(cacheKey);
}
else
{
//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) && qCachingAttribute.IsDelete == false)
{
object response;
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;
}
_cache.Set(cacheKey, response, TimeSpan.FromMinutes(qCachingAttribute.AbsoluteExpiration));
}
}
else
{
invocation.Proceed();//直接执行被拦截方法
}
}
/// <summary>
/// 移除指定数据缓存
/// </summary>
/// <param name="cacheKey">键</param>
public void RemoveCache(string cacheKey)
{
_cache.Remove(cacheKey);
}