Module:PageSummary：修订间差异

第85行：

local cleanText = cleanFinal(step1) or ""

local targetLen = 120

local summary = cleanText

local summary = cleanText or ""

local ulen = mw.ustring.len(summary) ~~or 0~~

-- 先强制清理任何可能导致编码问题的隐藏字符

summary = mw.ustring.gsub(summary, "[%z\127-\159]", "") -- 移除控制字符、BOM等

local ulen = mw.ustring.len(summary)

if ulen > targetLen then

~~summary~~ = mw.ustring.sub(summary, 1, targetLen)

-- 截取到 targetLen + 一点缓冲，避免边界问题

local temp = mw.ustring.sub(summary, 1, targetLen + 20)

local ~~tail~~ = mw.ustring.sub(~~summary~~, ~~-15~~) ~~or ""~~

-- 从后往前找第一个安全的断点（空格、中文标点）

~~local rev_tail = tail:reverse()~~

local breakPos = nil

~~local pos = rev_tail~~:~~find~~("[ %~~s%p，。！？；：~~,~~…，、~~]") ~~or 1~~

for i = #temp, 1, -1 do

local char = mw.ustring.sub(temp, i, i)

if char:match("[ %s，。！？；：,…、]") then

breakPos = i

break

end

if ~~pos~~ > ~~1 and pos < 15~~ then

if breakPos and breakPos > targetLen - 30 then

~~local cut_len~~ = mw.ustring.~~len~~(~~tail~~) ~~- pos + 1~~

summary = mw.ustring.sub(temp, 1, breakPos)

summary = mw.ustring.sub(~~summary~~, 1, ~~mw.ustring.len(summary) - cut_len~~)

else

summary = mw.ustring.sub(temp, 1, targetLen)

end

summary = mw.text.trim(summary) .. "~~...~~"

summary = mw.text.trim(summary) .. "…"

else

summary = mw.text.trim(summary)