lua table转string

function serialize(obj) local lua = "" local t = type(obj) if t == "number" then lua = lua .. obj elseif t == "boolean" then lua = lua .. tostring(obj) elseif t == "string" then lua = lua .. string.format("%q", obj) elseif t == "table" then lua = lua .. "{" for k, v in pairs(obj) do lua = lua .. "[" .. serialize(k) .. "]=" .. serialize(v) .. "," end local metatable = getmetatable(obj) if metatable ~= nil and type(metatable.__index) == "table" then for k, v in pairs(metatable.__index) do lua = lua .. "[" .. serialize(k) .. "]=" .. serialize(v) .. "," end end lua = lua .. "}" elseif t == "nil" then return nil else error("can not serialize a " .. t .. " type.") end return lua end function table2string(tablevalue) local stringtable = serialize(tablevalue) print(stringtable) return stringtable end local data = {["a"] = "a", ["b"] = "b", [1] = 1, [2] = 2, ["t"] = {1, 2, 3}} local string = table2string(data) 输出： {["a"]="a",[2]=2,["b"]="b",[1]=1,["t"]={[1]=1,[2]=2,[3]=3,},}