查看“︁模块:模块骨架”︁的源代码

local common = require('Module:Common')

local p = {}

local data_cache
local index_by_name

local function load_data()
    if data_cache then
        return
    end

    data_cache = common.loadJsonData('数据:Example/example_index.json') or { by_name = {} }
    index_by_name = data_cache.by_name or {}
end

local function find_record(key)
    load_data()

    local resolved = common.trim(key)
    if resolved == '' then
        resolved = common.getCurrentTitleText()
    end

    return index_by_name[resolved] or index_by_name[common.normalizeKey(resolved)]
end

function p.getField(frame)
    local key = common.getArg(frame, 1, '')
    local field = common.getArg(frame, 2, '')
    if field == '' then
        return ''
    end

    local record = find_record(key)
    if not record then
        return ''
    end

    return common.toText(record[field])
end

return p