/// <summary>
/// get value by key
/// </summary>
/// <param name="KeyName"></param>
/// <param name="Field"></param>
/// <returns></returns>
public T GetHashValue <T>(String KeyName, String Field)
{
if (conn == null)
{
throw new Exception("Connection has not initialize.");
}
return(conn.HGet <T>(KeyName, Field));
}
/// <summary>
/// 根据表名，键名，获取hash值
/// </summary>
/// <param name="key">表名</param>
/// <param name="field">键名</param>
/// <returns></returns>
public static string GetHash(string key, string field)
{
try
{
return(_redisManager.HGet(key, field));
}
catch (Exception)
{
return(null);
}
}
/// <summary>
/// 获取Key缓存数据(指定hashFiled)
/// </summary>
/// <param name="key"></param>
/// <param name="hashField"></param>
/// <returns></returns>
public T GetHash <T>(string key, string hashField)
{
var value = _client.HGet(key, hashField);
if (!string.IsNullOrEmpty(value))
{
return(JsonConvert.DeserializeObject <T>(value));
}
else
{
return(default(T));
}
}
public bool TryGetValue(string key, out byte[] value)
{
if (redisDB.HExists(this.Id, key))
{
value = redisDB.HGet <byte[]>(this.Id, key);
redisDB.ExpireAsync(this.Id, config.ExpireSeconds);
return(true);
}
else
{
value = null;
return(false);
}
}
private static void Main(string[] args)
{
var csredis = new CSRedisClient("127.0.0.1:6379,password=123,defaultDatabase=1,poolsize=50,ssl=false,writeBuffer=10240");
csredis.Set("name", "张三");//设置值。默认永不过期
Console.WriteLine(csredis.Get("name"));
csredis.Set("time", DateTime.Now, 1);
Console.WriteLine(csredis.Get <DateTime>("time"));
Thread.Sleep(1100);
Console.WriteLine(csredis.Get <DateTime>("time"));
// 列表
csredis.RPush("list", "第一个元素");
csredis.RPush("list", "第二个元素");
csredis.LInsertBefore("list", "第二个元素", "我是新插入的第二个元素！");
Console.WriteLine($"list的长度为{csredis.LLen("list")}");
Console.WriteLine($"list的第二个元素为{csredis.LIndex("list", 1)}");
// 哈希
csredis.HSet("person", "name", "zhulei");
csredis.HSet("person", "sex", "男");
csredis.HSet("person", "age", "28");
csredis.HSet("person", "adress", "hefei");
Console.WriteLine($"person这个哈希中的age为{csredis.HGet<int>("person", "age")}");
// 集合
csredis.SAdd("students", "zhangsan", "lisi");
csredis.SAdd("students", "wangwu");
csredis.SAdd("students", "zhaoliu");
Console.WriteLine($"students这个集合的大小为{csredis.SCard("students")}");
Console.WriteLine($"students这个集合是否包含wagnwu:{csredis.SIsMember("students", "wangwu")}");
//有序集合
csredis.ZAdd("socre", (1, "张三"), (2, "李四"));
csredis.ZCard("score");
csredis.ZCount("score", 1, 3);
Console.ReadLine();
}
public string GetKeyHash(string key, string field)
{
return(csClient.HGet(key, field));
}
/// <summary>
/// 从hash表获取数据
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key"></param>
/// <param name="dataKey"></param>
/// <returns></returns>
public T HashGet <T>(string key, string dataKey)
{
string value = csredis.HGet(key, dataKey);
return(ConvertObj <T>(value));
}
/// <summary>
/// 判断客户端是否在线
/// </summary>
/// <param name="clientId"></param>
/// <returns></returns>
public bool HasOnline(Guid clientId)
{
return(_redis.HGet <int>($"{_redisPrefix}Online", clientId.ToString()) > 0);
}