【前端接口】任务奖励预览：战力换算提示的展示实现

local REF = {}
SL:RegisterLuaNetMsg(8401, function(data)
    REF = data.table or {}
end)
local function renderPreview(rewards)
    local total = 0
    for _, r in ipairs(rewards) do
        local ref = REF[r.item] or 0
        total = total + ref * (tonumber(r.num) or 0)
    end
    GUI:setText(previewLabel, "预计收益约" .. total .. "金币")
    GUI:setVisible(lowTag, total < 3000)
end

GUI:addOnClickEvent(taskList, function()
    local sel = getSelectedTask()
    if sel == nil then return end
    renderPreview(sel.rewards)
    SL:SendNetMsg(8402, { tid = sel.id })
end)
SL:RegisterLuaNetMsg(8403, function(data)
    renderPreview(data.rewards)
end)