String类型很简单，就不做示例演示了，这里只贴出Helper类
/// <summary>
/// 判断key是否存在
/// </summary>
/// <param name="key"></param>
/// <param name="db"></param>
/// <returns></returns>
public bool KeyExists(string key, int db = -)
{
try
{
_db = GetDatabase(db);
return KeyExists(key);
}
catch (Exception)
{
throw;
}
} /// <summary>
/// 根据key 移除缓存
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public bool Remove(string key, int db = -)
{
try
{
if ((object)key == null)
return false;
_db = GetDatabase(db);
return KeyDelete(key);
}
catch (Exception ex)
{
_log.Fatal("移除:{0}异常:{1}", key, ex.Message);
throw;
}
} /// <summary>
/// 写入缓存数据
/// </summary>
/// <typeparam name="T">类型</typeparam>
/// <param name="key"></param>
/// <param name="value"></param>
/// <param name="span">有效期</param>
/// <returns></returns>
public bool Set<T>(string key, T value, TimeSpan span, int db = -)
{
try
{
if ((object)key == null || value == null)
return false; _db = GetDatabase(db);
if (value != null && (object)value is string)
{
return StringSet(key, value.ToString(), span);
}
return StringSet<T>(key, value, span);
}
catch (Exception ex)
{
_log.Fatal("{0}key写入value:{1}失败,异常原因:{2}", key, value, ex.Message);
throw;
}
} /// <summary>
/// 读取缓存数据 返回实体
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <returns></returns>
public T Get<T>(string key, int db = -)
{
try
{
_db = GetDatabase(db);
return StringGet<T>(key);
}
catch (Exception)
{
throw;
}
} /// <summary>
/// 读取缓存数据 返回字符串
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public string Get(string key, int db = -)
{
try
{
_db = GetDatabase(db);
return StringGet(key);
}
catch (Exception)
{ throw;
}
} /// <summary>
/// 递增
/// </summary>
/// <param name="key"></param>
/// <param name="span"></param>
/// <param name="db"></param>
/// <returns></returns>
public long Increment(string key, TimeSpan span, int db = -)
{
try
{
_db = GetDatabase(db);
var result = this.StringIncr(key);
//设置过期时间
this.KeyExpire(key, span);
return result;
}
catch (Exception)
{ throw;
}
} /// <summary>
/// 递减
/// </summary>
/// <param name="key"></param>
/// <param name="span"></param>
/// <param name="db"></param>
/// <returns></returns>
public long Decrement(string key, TimeSpan span, int db = -)
{
try
{
_db = GetDatabase(db);
var result = this.StringDecr(key);
//设置过期时间
this.KeyExpire(key, span);
return result;
}
catch (Exception)
{ throw;
}
}