ckeditor上传图片功能使用

<?php /* * Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.html or http://ckeditor.com/license */ /** * \brief CKEditor class that can be used to create editor * instances in PHP pages on server side. * @see http://ckeditor.com * * Sample usage: * @code * $CKEditor = new CKEditor(); * $CKEditor->editor("editor1", "<p>Initial value.</p>"); * @endcode */ class CKEditor { /** * The version of %CKEditor. * \private */ var $version = '3.6.2'; /** * A constant string unique for each release of %CKEditor. * \private */ var $_timestamp = 'B8DJ5M3'; /** * URL to the %CKEditor installation directory (absolute or relative to document root). * If not set, CKEditor will try to guess it's path. * * Example usage: * @code * $CKEditor->basePath = '/ckeditor/'; * @endcode */ var $basePath; /** * An array that holds the global %CKEditor configuration. * For the list of available options, see http://docs.cksource.com/ckeditor_api/symbols/CKEDITOR.config.html * * Example usage: * @code * $CKEditor->config['height'] = 400; * // Use @@ at the beggining of a string to ouput it without surrounding quotes. * $CKEditor->config['width'] = '@@screen.width * 0.8'; * @endcode */ var $config = array(); /** * A boolean variable indicating whether CKEditor has been initialized. * Set it to true only if you have already included * &lt;script&gt; tag loading ckeditor.js in your website. */ var $initialized = false; /** * Boolean variable indicating whether created code should be printed out or returned by a function. * * Example 1: get the code creating %CKEditor instance and print it on a page with the "echo" function. * @code * $CKEditor = new CKEditor(); * $CKEditor->returnOutput = true; * $code = $CKEditor->editor("editor1", "<p>Initial value.</p>"); * echo "<p>Editor 1:</p>"; * echo $code; * @endcode */ var $returnOutput = false; /** * An array with textarea attributes. * * When %CKEditor is created with the editor() method, a HTML &lt;textarea&gt; element is created, * it will be displayed to anyone with JavaScript disabled or with incompatible browser. */ var $textareaAttributes = array( "rows" => 8, "cols" => 60 ); /** * A string indicating the creation date of %CKEditor. * Do not change it unless you want to force browsers to not use previously cached version of %CKEditor. */ var $timestamp = "B8DJ5M3"; /** * An array that holds event listeners. * \private */ var $_events = array(); /** * An array that holds global event listeners. * \private */ var $_globalEvents = array(); /** * Main Constructor. * * @param $basePath (string) URL to the %CKEditor installation directory (optional). */ function CKEditor($basePath = null) { if (!empty($basePath)) { $this->basePath = $basePath; } } /** * Creates a %CKEditor instance. * In incompatible browsers %CKEditor will downgrade to plain HTML &lt;textarea&gt; element. * * @param $name (string) Name of the %CKEditor instance (this will be also the "name" attribute of textarea element). * @param $value (string) Initial value (optional). * @param $config (array) The specific configurations to apply to this editor instance (optional). * @param $events (array) Event listeners for this editor instance (optional). * * Example usage: * @code * $CKEditor = new CKEditor(); * $CKEditor->editor("field1", "<p>Initial value.</p>"); * @endcode * * Advanced example: * @code * $CKEditor = new CKEditor(); * $config = array(); * $config['toolbar'] = array( * array( 'Source', '-', 'Bold', 'Italic', 'Underline', 'Strike' ), * array( 'Image', 'Link', 'Unlink', 'Anchor' ) * ); * $events['instanceReady'] = 'function (ev) { * alert("Loaded: " + ev.editor.name); * }'; * $CKEditor->editor("field1", "<p>Initial value.</p>", $config, $events); * @endcode */ function editor($name, $value = "", $config = array(), $events = array()) { $attr = ""; foreach ($this->textareaAttributes as $key => $val) { $attr.= " " . $key . '="' . str_replace('"', '&quot;', $val) . '"'; } $out = "<textarea name=\"" . $name . "\"" . $attr . ">" . htmlspecialchars($value) . "</textarea>\n"; if (!$this->initialized) { $out .= $this->init(); } $_config = $this->configSettings($config, $events); $js = $this->returnGlobalEvents(); if (!empty($_config)) $js .= "CKEDITOR.replace('".$name."', ".$this->jsEncode($_config).");"; else $js .= "CKEDITOR.replace('".$name."');"; $out .= $this->script($js); if (!$this->returnOutput) { print $out; $out = ""; } return $out; } /** * Replaces a &lt;textarea&gt; with a %CKEditor instance. * * @param $id (string) The id or name of textarea element. * @param $config (array) The specific configurations to apply to this editor instance (optional). * @param $events (array) Event listeners for this editor instance (optional). * * Example 1: adding %CKEditor to &lt;textarea name="article"&gt;&lt;/textarea&gt; element: * @code * $CKEditor = new CKEditor(); * $CKEditor->replace("article"); * @endcode */ function replace($id, $config = array(), $events = array()) { $out = ""; if (!$this->initialized) { $out .= $this->init(); } $_config = $this->configSettings($config, $events); $js = $this->returnGlobalEvents(); if (!empty($_config)) { $js .= "CKEDITOR.replace('".$id."', ".$this->jsEncode($_config).");"; } else { $js .= "CKEDITOR.replace('".$id."');"; } $out .= $this->script($js); if (!$this->returnOutput) { print $out; $out = ""; } return $out; } /** * Replace all &lt;textarea&gt; elements available in the document with editor instances. * * @param $className (string) If set, replace all textareas with class className in the page. * * Example 1: replace all &lt;textarea&gt; elements in the page. * @code * $CKEditor = new CKEditor(); * $CKEditor->replaceAll(); * @endcode * * Example 2: replace all &lt;textarea class="myClassName"&gt; elements in the page. * @code * $CKEditor = new CKEditor(); * $CKEditor->replaceAll( 'myClassName' ); * @endcode */ function replaceAll($className = null) { $out = ""; if (!$this->initialized) { $out .= $this->init(); } $_config = $this->configSettings(); $js = $this->returnGlobalEvents(); if (empty($_config)) { if (empty($className)) { $js .= "CKEDITOR.replaceAll();"; } else { $js .= "CKEDITOR.replaceAll('".$className."');"; } } else { $classDetection = ""; $js .= "CKEDITOR.replaceAll( function(textarea, config) {\n"; if (!empty($className)) { $js .= " var classRegex = new RegExp('(?:^| )' + '". $className ."' + '(?:$| )');\n"; $js .= " if (!classRegex.test(textarea.className))\n"; $js .= " return false;\n"; } $js .= " CKEDITOR.tools.extend(config, ". $this->jsEncode($_config) .", true);"; $js .= "} );"; } $out .= $this->script($js); if (!$this->returnOutput) { print $out; $out = ""; } return $out; } /** * Adds event listener. * Events are fired by %CKEditor in various situations. * * @param $event (string) Event name. * @param $javascriptCode (string) Javascript anonymous function or function name. * * Example usage: * @code * $CKEditor->addEventHandler('instanceReady', 'function (ev) { * alert("Loaded: " + ev.editor.name); * }'); * @endcode */ function addEventHandler($event, $javascriptCode) { if (!isset($this->_events[$event])) { $this->_events[$event] = array(); } // Avoid duplicates. i