我可以检查Corona sdk中system.DocumentsDirectory中是否存在文件吗?
我该怎么做?
if ( myGameSettings exists ) then
else
end
提前致谢!
答案 0 :(得分:3)
要检查文件是否存在,您可以执行以下操作:
--> Specify the path
local path = system.pathForFile( "myGameSettings.txt", system.DocumentsDirectory )
--> This opens the specified file and returns nil if it couldn't be found
local fh = io.open( path, "r" )
if fh then
--> File Found
else
--> File not found
end