类型 函数 库 io.* 返回值 无 修订 版本 2024.3703 关键词 io, close, 文件 另请参阅 io.open() io.read()
关闭一个打开的文件句柄。等同于 file:close()。如果没有指定文件句柄,此函数将关闭默认输出文件。
io.close( [file] )
-- Path for the file
local path = system.pathForFile( "myfile.txt", system.DocumentsDirectory )
-- Open the file handle
local file, errorString = io.open( path, "r" )
if not file then
-- Error occurred; output the cause
print( "File error: " .. errorString )
else
-- Read data from file
local contents = file:read( "*a" )
-- Output the file contents
print( "Contents of " .. path .. "\n" .. contents )
-- Close the file handle
io.close( file )
end
file = nil