<?phpheader(’HTTP/1.1 200 OK’); // ok 正常訪問(wèn)header(’HTTP/1.1 404 Not Found’); //通知瀏覽器 頁(yè)面不存在header(’HTTP/1.1 301 Moved Permanently’); //設(shè)置地址被永久的重定向 301header(’Location: http://www.ithhc.cn/’); //跳轉(zhuǎn)到一個(gè)新的地址header(’Refresh: 10; url=http://www.ithhc.cn/’); //延遲轉(zhuǎn)向 也就是隔幾秒跳轉(zhuǎn)header(’X-Powered-By: PHP/6.0.0’); //修改 X-Powered-By信息header(’Content-language: en’); //文檔語(yǔ)言header(’Content-Length: 1234’); //設(shè)置內(nèi)容長(zhǎng)度header(’Last-Modified: ’.gmdate(’D, d M Y H:i:s’, $time).’ GMT’); //告訴瀏覽器最后一次修改時(shí)間header(’HTTP/1.1 304 Not Modified’); //告訴瀏覽器文檔內(nèi)容沒(méi)有發(fā)生改變 ###內(nèi)容類型###header(’Content-Type: text/html; charset=utf-8’); //網(wǎng)頁(yè)編碼header(’Content-Type: text/plain’); //純文本格式header(’Content-Type: image/jpeg’); //JPG、JPEG header(’Content-Type: application/zip’); // ZIP文件header(’Content-Type: application/pdf’); // PDF文件header(’Content-Type: audio/mpeg’); // 音頻文件 header(’Content-type: text/css’); //css文件header(’Content-type: text/javascript’); //js文件header(’Content-type: application/json’); //jsonheader(’Content-type: application/pdf’); //pdfheader(’Content-type: text/xml’); //xmlheader(’Content-Type: application/x-shockw**e-flash’); //Flash動(dòng)畫(huà) ###### ###聲明一個(gè)下載的文件###header(’Content-Type: application/octet-stream’);header(’Content-Disposition: attachment; filename='ITblog.zip'’);header(’Content-Transfer-Encoding: binary’);readfile(’test.zip’);###### ###對(duì)當(dāng)前文檔禁用緩存###header(’Cache-Control: no-cache, no-store, max-age=0, must-revalidate’);header(’Expires: Mon, 26 Jul 1997 05:00:00 GMT’);###### ###顯示一個(gè)需要驗(yàn)證的登陸對(duì)話框### header(’HTTP/1.1 401 Unauthorized’); header(’WWW-Authenticate: Basic realm='Top Secret'’); ###### ###聲明一個(gè)需要下載的xls文件###header(’Content-Disposition: attachment; filename=ithhc.xlsx’);header(’Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet’);header(’Content-Length: ’.filesize(’./test.xls’)); header(’Content-Transfer-Encoding: binary’); header(’Cache-Control: must-revalidate’); header(’Pragma: public’); readfile(’./test.xls’); ###### ?>