更改Apache默认起始(索引)页面：DirectoryIndex
Apache默认索引页面是index.html,修改成其他文件需要修改httpd.conf文件：
#
# DirectoryIndex: sets the file that Apache will serve if a directory
# is requested.
#
<IfModule dir_module>
DirectoryIndex index.html index.php
</IfModule>
可在Apache根目录建立一个负责跳转的index.php，比如输入IP地址直接跳转到http://ip/myweb/
<?php
if (!empty($_SERVER['HTTPS']) && ('on' == $_SERVER['HTTPS'])) {
$uri = 'https://';
} else {
$uri = 'http://';
}
$uri .= $_SERVER['HTTP_HOST'];
header('Location: '.$uri.'/myweb/');
exit;
?>
