Thinkphp method of calling the image class to generate thumbnails

This article mainly introduced the thinkphp call image class to generate the thumbnail image method, the example analysis thinkphp calls the image class to generate the thumbnail the use principle and the related technique, needs the friend may refer to under

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This example 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 method is invoked as follows:

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

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

The generation of thumbnails is simple.

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

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1 2	Generate thumbnails: $Img:: THUMB2 ($img _path, $thumb _name, $thumb _type, $Max _width, $Max _height);

It should be noted that the width and height of the thumbnail can not be larger than the original image, or it will generate a failure

I hope this article will help you with your PHP program design.