NX根据属性类型获取属性值

#include <string.h>
using namespace std;
string GetValue(UF_ATTR_value_p_t value)
{
    string val;
    if (NULL == value)
    {
        return val;
    }

    switch (value->type)
    {
    case UF_ATTR_bool:
        {
            val = value->value.boolean?"1":"0";
        }
        break;

    case UF_ATTR_integer:
        {
            val = to_string(value->value.integer);
        }
        break;    
    case UF_ATTR_real:
        {
            val = to_string(value->value.real);
        }
        break;    
    case UF_ATTR_time:
        {
            char date_string[20] = {0};
            char time[20] = {0};
            uc4582(value->value.time, 7, date_string, time);
            val = date_string;
            val += " ";
            val += time;
        }
        break;
    case UF_ATTR_string:
        {
            val = value->value.string;
        }
        break;
    case UF_ATTR_null:
        {

        }
        break;
            
    case UF_ATTR_reference:
        {
            val = value->value.reference;
        }
        break;
    default:
        break;
    }

    return val;
}