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作者：hosander 来源：天极开发 2007年10月21日
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| ＜?php $upload_dir = "/var/www/anyexample/aeu"; // 文件存储的路径 $web_upload_dir = "/aeu"; // 文件在Web目录下的路径 $tf = $upload_dir.'/'.md5(rand()).".test"; $f = @fopen($tf, "w"); if ($f == false) die("Fatal error! {$upload_dir} is not writable. Set 'chmod 777 {$upload_dir}' or something like this"); fclose($f); unlink($tf); //处理上传的文件 if (isset($_POST['fileframe'])) { $result = 'ERROR'; $result_msg = 'No FILE field found'; if (isset($_FILES['file'])) // 从浏览器接受文件 { if ($_FILES['file']['error'] == UPLOAD_ERR_OK) // 没有错误 { $filename = $_FILES['file']['name']; // 文件名 move_uploaded_file($_FILES['file']['tmp_name'], $upload_dir.'/'.$filename); // 处理的主过程-转移文件到 $upload_dir $result = 'OK'; } elseif ($_FILES['file']['error'] == UPLOAD_ERR_INI_SIZE) $result_msg = 'The uploaded file exceeds the upload_max_filesize directive in php.ini'; else $result_msg = 'Unknown error'; } echo '＜html＞＜head＞＜title＞-＜/title＞＜/head＞＜body＞'; echo '＜script language="JavaScript" type="text/javascript"＞'."\n"; echo 'var parDoc = window.parent.document;'; ' if ($result == 'OK') { echo 'parDoc.getElementById("upload_status").value = "file successfully uploaded";'; echo 'parDoc.getElementById("filename").value = "'.$filename.'";'; echo 'parDoc.getElementById("filenamei").value = "'.$filename.'";'; echo 'parDoc.getElementById("upload_button").disabled = false;'; } else { echo 'parDoc.getElementById("upload_status").value = "ERROR: '.$result_msg.'";'; } echo "\n".'＜/script＞＜/body＞＜/html＞'; exit(); } function safehtml($s) { $s=str_replace("&", "&", $s); $s=str_replace("＜", "<", $s); $s=str_replace("＞", ">", $s); $s=str_replace("'", "'", $s); $s=str_replace("\"", """, $s); return $s; } if (isset($_POST['description'])) { $filename = $_POST['filename']; $size = filesize($upload_dir.'/'.$filename); $date = date('r', filemtime($upload_dir.'/'.$filename)); $description = safehtml($_POST['description']); $html =＜＜＜END ＜html＞＜head＞＜title＞{$filename} [uploaded by IFRAME Async file uploader]＜/title＞＜/head＞ ＜body＞ ＜h1＞{$filename}＜/h1＞ ＜p＞This is a file information page for your uploaded file. Bookmark it, or send to anyone...＜/p＞ ＜p＞Date: {$date}＜/p＞ ＜p＞Size: {$size} bytes＜/p＞ ＜p＞Description: ＜pre＞{$description}＜/pre＞ ＜/p＞ ＜p＞＜a href="{$web_upload_dir}/{$filename}" style="font-size: large;"＞download file＜/a＞＜br＞ ＜a href="{$PHP_SELF}" style="font-size: small;"＞back to file uploading＜/a＞＜br＞ ＜a href="{$web_upload_dir}/upload-log.html" style="font-size: small;"＞upload-log＜/a＞＜/p＞ ＜br＞＜br＞Example by ＜a href="http://www.anyexample.com/"＞AnyExample＜/a＞ ＜/body＞＜/html＞ END; $f = fopen($upload_dir.'/'.$filename.'-desc.html', "w"); fwrite($f, $html); fclose($f); $msg = "File {$filename} uploaded, ＜a href='{$web_upload_dir}/{$filename}-desc.html'＞see file information page＜/a＞"; $f = fopen($upload_dir."/upload-log.html", "a"); fwrite($f, "＜p＞$msg＜/p＞\n"); fclose($f); setcookie('msg', $msg); header("Location: http://".$_SERVER['HTTP_HOST'].$PHP_SELF); exit(); } if (isset($_COOKIE['msg']) && $_COOKIE['msg'] != '') { if (get_magic_quotes_gpc()) $msg = stripslashes($_COOKIE['msg']); else $msg = $_COOKIE['msg']; setcookie('msg', ''); } ?＞ ＜!-- Beginning of main page --＞ ＜html＞＜head＞ ＜title＞IFRAME Async file uploader example＜/title＞ ＜/head＞ ＜body＞ ＜?php if (isset($msg)) echo '＜p style="font-weight: bold;"＞'.$msg.'＜/p＞'; ?＞ ＜h1＞Upload file:＜/h1＞ ＜p＞File will begin to upload just after selection. ＜/p＞ ＜p＞You may write file description, while you file is being uploaded.＜/p＞ ＜form action="＜?=$PHP_SELF?＞" target="upload_iframe" method="post" enctype="multipart/form-data"＞ ＜input type="hidden" name="fileframe" value="true"＞ ＜!-- Target of the form is set to hidden iframe --＞ ＜!-- From will send its post data to fileframe section of this PHP script (see above) --＞ ＜label for="file"＞text file uploader:＜/label＞＜br＞ ＜!-- JavaScript is called by OnChange attribute --＞ ＜input type="file" name="file" id="file" onChange="jsUpload(this)"＞ ＜/form＞ ＜script type="text/javascript"＞ /* This function is called when user selects file in file dialog */ function jsUpload(upload_field) { // this is just an example of checking file extensions // if you do not need extension checking, remove // everything down to line // upload_field.form.submit(); var re_text = /\.txt|\.xml|\.zip/i; var filename = upload_field.value; /* Checking file type */ if (filename.search(re_text) == -1) { alert("File does not have text(txt, xml, zip) extension"); upload_field.form.reset(); return false; } upload_field.form.submit(); document.getElementById('upload_status').value = "uploading file..."; upload_field.disabled = true; return true; } ＜/script＞ ＜iframe name="upload_iframe" style="width: 400px; height: 100px; display: none;"＞ ＜/iframe＞ ＜!-- For debugging purposes, it's often useful to remove "display: none" from style="" attribute --＞ ＜br＞ Upload status:＜br＞ ＜input type="text" name="upload_status" id="upload_status" value="not uploaded" size="64" disabled＞ ＜br＞＜br＞ File name:＜br＞ ＜input type="text" name="filenamei" id="filenamei" value="none" disabled＞ ＜form action="＜?=$PHP_SELF?＞" method="POST"＞ ＜!-- one field is "disabled" for displaying-only. Other, hidden one is for sending data --＞ ＜input type="hidden" name="filename" id="filename"＞ ＜br＞＜br＞ ＜label for="photo"＞File description:＜/label＞＜br＞ ＜textarea rows="5" cols="50" name="description"＞＜/textarea＞ ＜br＞＜br＞ ＜input type="submit" id="upload_button" value="save file" disabled＞ ＜/form＞ ＜br＞＜br＞ ＜a href="＜?=$web_upload_dir?＞/upload-log.html"＞upload-log＜/a＞ ＜br＞＜br＞＜br＞ Example by ＜a href="http://www.anyexample.com/"＞AnyExample＜/a＞ ＜/body＞ ＜/html＞ |
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