lua中读取tab表

 1 --
 2 -- Created by IntelliJ IDEA.
 3 -- User: Elan
 4 -- Date: 15-7-15 下午12:14
 5 -- To change this template use File | Settings | File Templates.
 6 --
 7 local TabReader = class("TabReader")
 8 
 9 function TabReader:ctor()
10 end
11 
12 function TabReader:load(filename)
13     self.fn = filename
14 
15     local file = io.open(self.fn, "rb")
16     if not file then
17         print("file not exist", self.fn)
18         return false
19     end
20 
21     local str = file:read("*all")
22     io.close(file)
23 
24     return self:parse(str)
25 end
26 
27 function TabReader:parse(str)
28     local content = {}
29     local list = string.split(str, "\r\n")
30 
31     if #list <= 1 then
32         return content
33     end
34 
35     table.remove(list, 1)  -- 第一行是各字段说明
36 
37     for i = 1, #list do
38         local line = string.ltrim(list[i])
39         if string.sub(line, 1, 1) ~= "#" then  -- #开头的行为注释行
40             local rows = string.split(line, "\t")
41             content[content + 1] = rows
42         end
43     end
44 
45     return content
46 end
47 
48 return TabReader