Module:PageSummary：修订间差异

第1行：

local p = {}

-- ~~核心逻辑：使用简单的索引查找替代昂贵的正则表达式~~

-- 辅助函数：安全清理标签

local function safeStrip(text)

if not text then return "" end

text = string.gsub(text, "<ref.-</ref>", "")

text = string.gsub(text, "<ref.->", "")

text = string.gsub(text, "<!%-%-.-%-%->", "")

-- 彻底剥离带长描述的图片链接（处理嵌套 [[ ]]）

local prefixes = {"[[File:", "[[Image:", "[[文件:", "[[图像:", "[[file:", "[[image:"}

for _, pre in ipairs(prefixes) do

while string.find(text, pre, 1, true) do

local s = string.find(text, pre, 1, true)

local count, e = 0, nil

for j = s, mw.ustring.len(text) do

local c2 = mw.ustring.sub(text, j, j+1)

if c2 == "[[" then count = count + 1

elseif c2 == "]]" then

count = count - 1

if count == 0 then e = j + 1 break end

end

if e then text = mw.ustring.sub(text, 1, s - 1) .. mw.ustring.sub(text, e + 1)

else text = mw.ustring.sub(text, 1, s - 1) .. mw.ustring.sub(text, s + 2) end

end

-- 移除模板（限制5层嵌套，防止CPU跑满）

for i = 1, 5 do

local nt = string.gsub(text, "{{[^{}]+}}", "")

if nt == text then break end

text = nt

end

text = string.gsub(text, "\n==+.-==+", " ") -- 删标题符

text = string.gsub(text, "\n%s*[*#:]+", " ") -- 删列表符

text = string.gsub(text, "&[Nn][Bb][Ss][Pp];", " ")

text = string.gsub(text, "\n", " ")

text = string.gsub(text, "%s+", " ")

return mw.text.trim(text)

end

function p.getSummaryAndImage(frame)

local pageName = frame.args[1] or ""

第8行：

第48行：

local content = title:getContent()

~~if not~~ content ~~then return "" end~~

local rawExcerpt = mw.ustring.sub(content, 1, 500)

-- ~~1. 预切割：只拿最前面的 400 字符，从源头掐断计算量~~

-- 提取第一张图

local ~~raw~~ = mw.~~ustring~~.~~sub~~(~~content~~, 1, ~~400~~)

local firstImage = string.match(rawExcerpt, "%[%[([Ff]ile:.-)[|%]]") or

string.match(rawExcerpt, "%[%[([Ii]mage:.-)[|%]]") or

string.match(rawExcerpt, "%[%[(文件:.-)[|%]]")

~~-- 2. 提取图片 (仅提取文件名，不涉及复杂解析)~~

local cleanText = safeStrip(rawExcerpt)

local ~~firstImage~~ = ~~string.match(raw, "%[%[[Ff]ile:([^|%]%s]+)") or~~

~~string.match(raw, "%[%[文件:~~(~~[^|%]%s]+)"~~)

-- ~~3. 极速清理：只做简单的字符替换，不做嵌套识别~~

-- 150字截断并处理链接残符

~~-- 移除引用、注释、标题符、列表符~~

local targetLen = 150

local ~~clean~~ = ~~raw~~

local summary = mw.ustring.sub(cleanText, 1, targetLen)

~~clean~~ = ~~string~~.~~gsub~~(~~clean~~, ~~"<ref.-</ref>"~~, "")

while mw.ustring.sub(summary, -1) == "[" do summary = mw.ustring.sub(summary, 1, -2) end

~~clean = string.gsub(clean, "<ref~~.~~->", "")~~

~~clean = string~~.~~gsub~~(~~clean~~, ~~"<!%-%-.-%-%~~-~~>", ""~~)

~~clean = string.gsub(clean, "\n==+.-=~~=~~+", " ")~~

~~clean~~ = ~~string.gsub(clean,~~ "\n%s*[*#:]+", " ")

~~-- 移除图片和模板（不递归，直接找第一个闭合括号就切断）~~

~~-- 这种处理方式虽然可能留下残余的“}}”或“]]”，但绝对保护 CPU~~

~~clean~~ = ~~string~~.~~gsub(clean, "%[%[[^%]%[]+%]%]", "")~~

~~clean = string~~.~~gsub~~(~~clean~~, ~~"{{[^{}]+}}"~~, ~~"")~~

-~~- 清理换行和空格~~

~~clean = string.gsub(clean, "\n", " ")~~

~~clean = string.gsub(clean, "%s+", " ")~~

~~clean = mw.text.trim(clean~~)

~~-- 4~~. ~~强制截断 150 字~~

local _, opens = string.gsub(summary, "%[%[", "")

local summary = mw.ustring.sub(~~clean~~, 1, ~~150~~)

local _, closes = string.gsub(summary, "%]%]", "")

if opens > closes then

local rest = mw.ustring.sub(cleanText, targetLen + 1, targetLen + 100)

local endLink = string.find(rest, "]]", 1, true)

if endLink then summary = summary .. string.sub(rest, 1, endLink + 1)

else local lastOpen = string.find(summary:reverse(), "%[%[")

if lastOpen then summary = string.sub(summary, 1, #summary - lastOpen - 1) end

end

~~-- 最后的安全阀：清理末尾残留的括号碎片~~

summary = mw.text.trim(summary)

summary = ~~string~~.~~gsub~~(summary~~, "[%[%]{}<>]+$", ""~~)

if mw.ustring.len(cleanText) > targetLen then summary = summary .. "..." end

if mw.ustring.len(~~clean~~) > ~~150~~ then summary = summary .. "..." end

-- 5. 渲染

-- 渲染

local container = mw.html.create('div'):css({['margin-bottom']='~~20px~~', ['display']='flow-root'})

local container = mw.html.create('div'):css({['margin-bottom']='25px', ['display']='flow-root'})

if firstImage then

container:wikitext('[[' .. firstImage .. '|~~130px~~|right|link=' .. pageName .. ']]')

container:wikitext('[[' .. firstImage .. '|150px|right|link=' .. pageName .. ']]')

end

container:tag('div')

:css({['font-size']='1.~~2em~~', ['font-weight']='bold', ['margin-bottom']='~~4px~~'})

:css({['font-size']='1.3em', ['font-weight']='bold', ['margin-bottom']='6px'})

:wikitext('[[' .. pageName .. ']]')

container:tag('div')

:css({['line-height']='1.5', ['color']='#~~333~~', ['font-size']='~~14px~~'})

:css({['line-height']='1.6', ['color']='#202122', ['font-size']='0.95em'})

:wikitext(summary)