这篇文章主要介绍了php实现从上传文件创建缩略图的方法,涉及php操作上传文件及图片操作的技巧,具有一定参考借鉴价值,需要的朋友可以参考下
本文实例讲述了php实现从上传文件创建缩略图的方法。分享给大家供大家参考。具体实现方法如下：
102400){ $error=1; $msg = "The photo is over 100kb. Please try again."; } //////////////////////////////// // CHECK TYPE (IE AND OTHERS) // if ($userfile_type="image/pjpeg"){ if ($userfile_type!="image/jpeg"){ $error=1; $msg = "The photo must be JPG"; } } ////////////////////////////// //CHECK WIDTH/HEIGHT // if ($large_width!=600 or$large_height!=400){ $error=1; $msg = "The photo must be 600x400 pixels"; } /////////////////////////////////////////// //CREATE THUMB / UPLOAD THUMB AND PHOTO /// if ($error1){ $image = $userfile_name; //if you want to insert it to the database $pic = imagecreatefromjpeg($userfile); $small = imagecreatetruecolor($small_width,$small_height); imagecopyresampled($small,$pic,0,0,0,0, $small_width, $small_height, $large_width, $large_height); if (imagejpeg($small,"path/to/folder/to/upload/thumb".$userfile_name, 100)){ $large = imagecreatetruecolor($large_width,$large_height); imagecopyresampled($large,$pic,0,0,0,0, $large_width, $large_height, $large_width, $large_height); if (imagejpeg($large,"path/to/folder/to/upload/photo".$userfile_name, 100)) {} else {$msg="A problem has occured. Please try again."; $error=1;} } else { $msg="A problem has occured. Please try again."; $error=1; } } ////////////////////////////////////////////// /// If everything went right a photo (600x400) and /// a thumb(120x90) were uploaded to the given folders } ?>
希望本文所述对大家的php程序设计有所帮助。
MediPro乡镇政府门户网站系统，适合乡镇政府机构创建地方门户网站，用以宣传本地资源，实现政务公开，促进乡镇基层信息化建设。本系统基于PHP+MYSQL开发，预设了乡镇风采、党政机构、政务公开、投资指南、服务导航、文件下载、公众互动、领导信箱等乡镇政府门户网站常用的栏目和测试数据，采用适合乡镇政府门户网站的专用模版，增强了系统的针对性和易用性。除了文章系统、图文系统、下载系统、社区交流、反馈表单
