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：
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## DirectoryIndex: sets the file that Apache will serve if a directory# is requested.#<IfModule dir_module> DirectoryIndex index.html index.php</IfModule>
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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/
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<?php if (!empty($_SERVER['HTTPS']) && ('on' == $_SERVER['HTTPS'])) { $uri= 'https://'; } else { $uri='http://'; } $uri.= $_SERVER['HTTP_HOST']; header('Location: '.$uri.'/myweb/'); exit;?>?