榜单奖励：名次对应的奖励预览

-- 错误：奖励口径各界面各写一套
if rank == 1 then
    show("王者头衔")
elseif rank <= 10 then
    show("荣耀礼盒")
end

local REWARD = {
    {max = 1,   items = "王者头衔"},
    {max = 10,  items = "荣耀礼盒"},
    {max = 100, items = "参与礼包"},
}
local function rewardAt(rank)
    for _, r in ipairs(REWARD) do
        if rank <= r.max then
            return r.items
        end
    end
    return REWARD[#REWARD].items
end
local label = panel:getChildByName("rwText")
label:setString(rewardAt(7))