search
HomeBackend DevelopmentPHP TutorialYii结合CKEditor实现图片上传功能_php实例

这几天做的一个项目中需要在所见即所得编辑器中实现图片上传的功能,我因为比较喜欢CKEditor的界面而选择了它。虽然有跟CKEditor配合良好的CKFinder,不过这个东东的功能太复杂,简单看了下CKEdtior的文档,发现这个功能还是可以自己实现而不用借助CKFinder的。

下面代码虽然基于Yii Framework的,但是用其他框架或者语言思路却是完全一样的,有需要的童鞋可以参考一下。

首先要让CkEditor出现图片上传的功能,需要配置编辑器的filebrowserImageUploadUrl属性:

复制代码 代码如下:

CKEDITOR.replace( 'editor1',
    {
        filebrowserUploadUrl : '/uploader/upload.php',
        filebrowserImageUploadUrl : '/uploader/upload.php?type=Images'
    });

然后在对应的URL上实现图片上传的功能,并向CKEditor返回特定格式的HTML代码,CKEditor就能正常预览并插入图片了。
下面只截取控制器的部分代码,Controller部分我是这样实现的:
复制代码 代码如下:

/**
 * 保存上传的图片
 *
 * @return string javascript code
 * @author lfyzjck
 **/
public function actionImg($type, $CKEditor, $CKEditorFuncNum, $langCode = 'zh-cn')
{
 if(empty($CKEditorFuncNum) || $type != 'Images'){
  $this->mkhtml($CKEditorFuncNum,'','错误的函数调用');
 }
 if(isset($_FILES['upload'])){
  //获取关于图片上传配置
  $options = Options::model()->findByPk(1);
  $form = new UploadForm('image',$options);
  $form->upload = CUploadedFile::getInstanceByName('upload');
  if($form->validate()){
  //文件名:时间+源文件名
   $target_filename = date('Ymd-hm',time()).$form->upload->getName();
   $path = Yii::app()->basePath.'/../uploads/'.$target_filename;   //图片保存路径
   $form->upload->saveAs($path);
   $this->mkhtml($CKEditorFuncNum,Yii::app()->baseUrl.'/uploads/'.$target_filename, "上传成功");
  }
  else{
   $this->mkhtml($CKEditorFuncNum,'',$form->getError('upload'));
  }
 }
}
/**
 * 返回CKEditor的提示信息
 *
 * @return void
 * @author lfyzjck
 **/
private function mkhtml($fn, $fileurl, $message)
{
 $str = '';
 exit($str);
}

需要特别说明的mkhtml函数,他会调用CKEditor的函数产生提示信息。上传成功的时候将图片链接返回,CKEditor会根据URL生成图片预览。

然后是UploadForm的代码,这里会验证图片的格式和大小是否符合要求。

复制代码 代码如下:

class UploadForm extends CFormModel
{
 public $upload;

 private $options;
 private $type;

 public function __construct($type, $options){
  $this->options = $options;
  $this->type = $type;
 }
 /**
  * Declares the validation rules.
  * The rules state that username and password are required,
  * and password needs to be authenticated.
  */
 public function rules()
 {
  return array(
   array('upload', 'file',
    'types' => $this->options->getAttribute("allow_".$this->type."_type"),
    'maxSize' => 1024 * (int)$this->options->getAttribute("allow_".$this->type."_maxsize"),
    'tooLarge'=>'文件大小超过限制',
   ),
  );
 }
}

Statement
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
How do you modify data stored in a PHP session?How do you modify data stored in a PHP session?Apr 27, 2025 am 12:23 AM

TomodifydatainaPHPsession,startthesessionwithsession_start(),thenuse$_SESSIONtoset,modify,orremovevariables.1)Startthesession.2)Setormodifysessionvariablesusing$_SESSION.3)Removevariableswithunset().4)Clearallvariableswithsession_unset().5)Destroythe

Give an example of storing an array in a PHP session.Give an example of storing an array in a PHP session.Apr 27, 2025 am 12:20 AM

Arrays can be stored in PHP sessions. 1. Start the session and use session_start(). 2. Create an array and store it in $_SESSION. 3. Retrieve the array through $_SESSION. 4. Optimize session data to improve performance.

How does garbage collection work for PHP sessions?How does garbage collection work for PHP sessions?Apr 27, 2025 am 12:19 AM

PHP session garbage collection is triggered through a probability mechanism to clean up expired session data. 1) Set the trigger probability and session life cycle in the configuration file; 2) You can use cron tasks to optimize high-load applications; 3) You need to balance the garbage collection frequency and performance to avoid data loss.

How can you trace session activity in PHP?How can you trace session activity in PHP?Apr 27, 2025 am 12:10 AM

Tracking user session activities in PHP is implemented through session management. 1) Use session_start() to start the session. 2) Store and access data through the $_SESSION array. 3) Call session_destroy() to end the session. Session tracking is used for user behavior analysis, security monitoring, and performance optimization.

How can you use a database to store PHP session data?How can you use a database to store PHP session data?Apr 27, 2025 am 12:02 AM

Using databases to store PHP session data can improve performance and scalability. 1) Configure MySQL to store session data: Set up the session processor in php.ini or PHP code. 2) Implement custom session processor: define open, close, read, write and other functions to interact with the database. 3) Optimization and best practices: Use indexing, caching, data compression and distributed storage to improve performance.

Explain the concept of a PHP session in simple terms.Explain the concept of a PHP session in simple terms.Apr 26, 2025 am 12:09 AM

PHPsessionstrackuserdataacrossmultiplepagerequestsusingauniqueIDstoredinacookie.Here'showtomanagethemeffectively:1)Startasessionwithsession_start()andstoredatain$_SESSION.2)RegeneratethesessionIDafterloginwithsession_regenerate_id(true)topreventsessi

How do you loop through all the values stored in a PHP session?How do you loop through all the values stored in a PHP session?Apr 26, 2025 am 12:06 AM

In PHP, iterating through session data can be achieved through the following steps: 1. Start the session using session_start(). 2. Iterate through foreach loop through all key-value pairs in the $_SESSION array. 3. When processing complex data structures, use is_array() or is_object() functions and use print_r() to output detailed information. 4. When optimizing traversal, paging can be used to avoid processing large amounts of data at one time. This will help you manage and use PHP session data more efficiently in your actual project.

Explain how to use sessions for user authentication.Explain how to use sessions for user authentication.Apr 26, 2025 am 12:04 AM

The session realizes user authentication through the server-side state management mechanism. 1) Session creation and generation of unique IDs, 2) IDs are passed through cookies, 3) Server stores and accesses session data through IDs, 4) User authentication and status management are realized, improving application security and user experience.

See all articles

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Tools

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 English version

SublimeText3 English version

Recommended: Win version, supports code prompts!

mPDF

mPDF

mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),

EditPlus Chinese cracked version

EditPlus Chinese cracked version

Small size, syntax highlighting, does not support code prompt function

SAP NetWeaver Server Adapter for Eclipse

SAP NetWeaver Server Adapter for Eclipse

Integrate Eclipse with SAP NetWeaver application server.