thinkphp How to call the image class to generate thumbnails _php tutorial

thinkphp How to call the image class to generate thumbnails

This article mainly describes the thinkphp call image class to generate thumbnails of the method, the example analysis of thinkphp call image class to generate thumbnails of the use of principles and related techniques, the need for friends can refer to the following

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:

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Import ("ORG. Util.image "); $IMG = new Image ();//Instantiate Picture class object $image _path = './Picture path '; If the current PHP file is in the App_path path in thinkphp './' 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):

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1 2	To generate a thumbnail image: $IMG:: THUMB2 ($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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