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public
function
getNetLink(){
header(
"cache-control:no-cache,must-revalidate"
);
header(
"Content-Type:text/html;charset=utf-8"
);
if
(!
$file
){
$shownetlink
=
"<font color=\"red\">网络连接失败</font>"
;
}
else
{
$shownetlink
=
"<font color=\"#06C\">网络连接正常</font>"
;
}
echo
$shownetlink
;
}