lua Table的序列化与反序列化函数

千山万水

于 2011-08-31 15:24:22 发布

阅读量4.9k

点赞数

CC 4.0 BY-SA版权

分类专栏： lua 文章标签： table lua function string

本文链接：https://blog.youkuaiyun.com/chencong112/article/details/6736053

lua 专栏收录该内容

20 篇文章

订阅专栏

table.tostring = function(t)
   local mark={}
   local assign={}
   local function ser_table(tbl,parent)
   mark[tbl]=parent
   local tmp={}
   for k,v in pairs(tbl) do
    local key= type(k)=="number" and "["..k.."]" or "[".. string.format("%q", k) .."]"
    if type(v)=="table" then
     local dotkey= parent.. key
     if mark[v] then
      table.insert(assign,dotkey.."='"..mark[v] .."'")
     else
      table.insert(tmp, key.."="..ser_table(v,dotkey))
     end
    elseif type(v) == "string" then
     table.insert(tmp, key.."=".. string.format('%q', v))
    elseif type(v) == "number" or type(v) == "boolean" then
     table.insert(tmp, key.."=".. tostring(v))
    end
   end
   return "{"..table.concat(tmp,",").."}"
end
return "do local ret="..ser_table(t,"ret")..table.concat(assign," ").." return ret end"
end

table.loadstring = function(strData)
local f = loadstring(strData)
if f then
   return f()
end
end