Thinkphp calling the image class to generate thumbnails, thinkphpimage_php tutorial

Thinkphp calls the image class to generate a thumbnail image, Thinkphpimage

The example in this article describes how thinkphp calls the image class to generate thumbnails. Share to everyone for your reference. The specific analysis is as follows:

The thinkphp Image class is in thinkphp/extend/library/org/util/image.class.php.

The calling method is as follows:

Import ("ORG. Util.image "); $Img = new Image ();//Instantiate picture class object $image_path = './picture path ';//If the current PHP file is in the thinkphp app_path path//'. is the upper level file of index.php. Because App_path is defined and loaded by index.php. $image _info = $Img:: Getimageinfo ($image _path);//Get picture information

The Getimageinfo method obtains information such as the width,height,type,size,mime of the picture.

The generation of thumbnails is simple.

Parameters need Img_path (original path), Thumb_name (thumbnail name, including path), Thumb_type (picture type), Max_width (width), max_height (high):

Generate thumbnails: $Img:: THUMB2 ($img _path, $thumb _name, $thumb _type, $Max _width, $Max _height);

It is important to note that the width and height of the thumbnails cannot be larger than the original image, or it will generate a failure

I hope this article is helpful to everyone's PHP programming.

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