Lua读取文件和写入文件

function FileSaveLoad()
   local file = io.open("test.txt", "r");
   assert(file);
   local data = file:read("*a"); --读取所有内容
   file:close();
   file = io.open("test.lua", "w");
   assert(file);
   file:write(data);
   file:close();
 end
 FileSaveLoad()