/// <summary>
/// 获取变量
/// </summary>
/// <param name="name">变量名</param>
/// <param name="val">变量值</param>
/// <returns>返回变量值</returns>
public object GetVal(string name, object val = null)
{
if (ValDt.TryGetValue(name, out object value))
{
if (value == null)
{
value = val;
}
}
else
{
value = val;
}
return(value);
}
/// <summary> /// 判断变量是否存在 /// </summary> /// <param name="name">变量名</param> /// <returns>存在返回true，不存在返回false</returns> public bool HasVal(string name) => ValDt.ContainsKey(name);
/// <summary> /// 删除变量 /// </summary> /// <param name="name">变量名</param> /// <returns>删除成功返回true，失败返回false</returns> public bool DelVal(string name) => ValDt.TryRemove(name, out _);
/// <summary>
/// 修改变量
/// </summary>
/// <param name="name">变量名</param>
/// <param name="val">变量值</param>
/// <returns>修改成功返回true，失败返回false</returns>
public bool SetVal(string name, object val)
{
var obj = ValDt.AddOrUpdate(name, val, (key, value) => val);
return(obj != null);
}
