Lua 读表代码，自动生成字段名字

INT    STRING    INT    INT    INT    INT    INT
Id    Desc    Type    SceneId    OpenId    MaxPliesp    ClearancePlies
0    第1关    0    1    -1    110    80
1    第2关    0    1    0    120    90
2    第3关    0    2    1    130    100

--字符串分割函数
--传入字符串和分隔符，返回分割后的table
function string.split(str, delimiter)
if str==nil or str=='' or delimiter==nil then
return nil
end

local result = {}
for match in (str..delimiter):gmatch("(.-)"..delimiter) do
table.insert(result, match)
end
return result
end

--字符串按位分割函数
--传入字符串，返回分割后的table，必须为字母、数字，否则返回nil
function string.gsplit(str)
local str_tb = {}
if string.len(str) ~= 0 then
for i=1,string.len(str) do
new_str= string.sub(str,i,i)
if (string.byte(new_str) >=48 and string.byte(new_str) <=57) or (string.byte(new_str)>=65 and string.byte(new_str)<=90) or (string.byte(new_str)>=97 and string.byte(new_str)<=122) then
table.insert(str_tb,string.sub(str,i,i))
else
return nil
end
end
return str_tb
else
return nil
end
end

function string.trim(s)
return (string.gsub(s, "^%s*(.-)%s*$", "%1"))
end

TableData = class()

function TableData:ctor()
self.data = {}
end

function TableData:GetById(id)
local num = #self.data
for i=1,num do
if(id==self.data[i].Id) then
return self.data[i];
end
end
print( string.format("nil==TableData:GetById(%d)",id))
return nil;
end

require 'Utility/LuaStringExt'
require 'Table/TableData'

TableReader = {}

function TableReader.ReadAllLines(text)
return string.split(text,'\n')
end

function TableReader.IsEmptyLine(str)
if(str=='' or str[0]=='#') then
return true
end
return false
end

local TableFieldType =
{
INT = 0,
FLOAT = 1,
STRING = 2,
UNKNOW = 3
}

local Syntax_INT = 'INT'
local Syntax_FLOAT = 'FLOAT'
local Syntax_STRING = 'STRING'

function TableReader.ParseType(str)

local types = {}
local fields = string.split(str,'\t')
for i=1,#fields do
local sytax = fields[i]

if(Syntax_INT==sytax) then
table.insert(types,TableFieldType.INT)
elseif(Syntax_FLOAT==sytax) then
table.insert(types,TableFieldType.FLOAT)
elseif(Syntax_STRING==sytax) then
table.insert(types,TableFieldType.STRING)
else
table.insert(types,TableFieldType.UNKNOW)
print('Error:',i,'unknow type['..sytax..']')
end
end
return types
end

function TableReader.ParseField(str)
local fieldsTable = {}
local fields = string.split(str,'\t')

for i=1,#fields do
table.insert(fieldsTable,fields[i])
end
return fieldsTable
end

function TableReader.ParseValue(fieldsTable,typeTable,str)
local ret = {}
local fields = string.split(str,'\t')
for i=1,#fields do
if(TableFieldType.INT==typeTable[i] or TableFieldType.FLOAT==typeTable[i]) then
ret[fieldsTable[i]] = tonumber(fields[i])
elseif(TableFieldType.STRING==typeTable[i]) then
ret[fieldsTable[i]] = fields[i]
else
print('Error:ParseValue',i)
end
end
return ret
end

function TableReader.LoadTable(text)
local tab = TableData.new();

local lines = TableReader.ReadAllLines(text)
local lineNum = #lines

local types = nil
local fieldsTable = nil

for i=1,lineNum do
local str = string.trim(lines[i])

if(not TableReader.IsEmptyLine(str)) then

if(nil==types) then
types = TableReader.ParseType(str)
elseif(nil==fieldsTable) then
fieldsTable = TableReader.ParseField(str)
else
table.insert(tab.data,TableReader.ParseValue(fieldsTable,types,str))
end

end
end

return tab
end

local table = TableReader.LoadTable(str)
local data = table:GetById(0)
print(data.Desc)