---字符串分割成table
---@param input string
---@param delimiter string
---@return table
function string.split(input, delimiter)
input = tostring(input)
delimiter = tostring(delimiter)
if (delimiter=='') then return false end
local pos,arr = 0, {}
-- for each divider found
for st,sp in function() return string.find(input, delimiter, pos, true) end do
table.insert(arr, string.sub(input, pos, st - 1))
pos = sp + 1
end
table.insert(arr, string.sub(input, pos))
return arr
end
--去除空字符
function string.trim(input)
input = string.gsub(input, "^[ \t\n\r]+", "")
return string.gsub(input, "[ \t\n\r]+$", "")
end
