动态修改Golang struct {}值上的属性，另外

I have this code in a router handler

    decoder := json.NewDecoder(r.Body)
    var t person.Model
    err := decoder.Decode(&t).          // t is a struct value
    item, ok := v.People[params["id"]]. // ok is a struct value

    if t.Handle != "" {
        item.Handle = t.Handle
    }

    if t.Work != "" {
        item.Work = t.Work
    }

    if t.Image != "" {
        item.Image = t.Image
    }

    if t.Firstname != "" {
        item.Firstname = t.Firstname
    }

    if t.Lastname != "" {
        item.Lastname = t.Lastname
    }

    if t.Email != "" {
        item.Email = t.Email
    }

But I would like to make this dynamic, something like this:

["Handle", "Work", "Image", "Firstname", "Lastname", "Email"].forEach(v => {
    if t[v] != "" {
        item[v] = t[v]
    }
});

is this possible with Golang somehow?