Lua打印对象
2020-06-15 本文已影响0人
Nimanggi
---
-- @function: 获取table的字符串格式内容,递归
-- @tab: table
-- @ind:不用传此参数,递归用(前缀格式(空格))
-- @return: format string of the table
function dumpTab(tab,ind)
if(tab==nil)then return "nil" end;
local str="{";
if(ind==nil)then ind=" "; end;
--//each of table
for k,v in pairs(tab) do
--//key
if(type(k)=="string")then
k=tostring(k).." = ";
else
k="["..tostring(k).."] = ";
end;--//end if
--//value
local s="";
if(type(v)=="nil")then
s="nil";
elseif(type(v)=="boolean")then
if(v) then s="true"; else s="false"; end;
elseif(type(v)=="number")then
s=v;
elseif(type(v)=="string")then
s="\""..v.."\"";
elseif(type(v)=="table")then
s=dumpTab(v,ind.." ");
s=string.sub(s,1,#s-1);
elseif(type(v)=="function")then
s="function : "..v;
elseif(type(v)=="thread")then
s="thread : "..tostring(v);
elseif(type(v)=="userdata")then
s="userdata : "..tostring(v);
else
s="nuknow : "..tostring(v);
end;--//end if
--//Contact
str=str.."\n"..ind..k..s.." ,";
end --//end for
--//return the format string
local sss=string.sub(str,1,#str-1);
if(#ind>0)then ind=string.sub(ind,1,#ind-2) end;
sss=sss.."\n"..ind.."}\n";
return sss;--string.sub(str,1,#str-1).."\n"..ind.."}\n";
end;--//end function
--//网摘,直接打印到屏幕
function printTable(t, n)
if "table" ~= type(t) then
return 0;
end
n = n or 0;
local str_space = "";
for i = 1, n do
str_space = str_space.." ";
end
print(str_space.."{");
for k, v in pairs(t) do
local str_k_v
if(type(k)=="string")then
str_k_v = str_space.." "..tostring(k).." = ";
else
str_k_v = str_space.." ["..tostring(k).."] = ";
end
if "table" == type(v) then
print(str_k_v);
printTable(v, n + 1);
else
if(type(v)=="string")then
str_k_v = str_k_v.."\""..tostring(v).."\"";
else
str_k_v = str_k_v..tostring(v);
end
print(str_k_v);
end
end
print(str_space.."}");
end
--//test code
b={[printTable]=1,[dumpTab]=33}
a={inter={ext=1000,uuid="432-43243-43124324",inter2={ext=1000,uuid="432-43243-43124324",[printTable]=2},"anil",nil},"fda",fdsaf,true};
local sa=dumpTab(b);
print(sa);
sa=dumpTab(a);
print(sa);
printTable(a)
printTable(b)