使用示例:

http://resource.ecsq.com/getpic.php?src=/p_w_picpath/goods/SUZHOU/201405/102389_1400495466458.jpg&w=500&h=500

(一)getpic.php

<?php //獲取圖片參數 $basedir?=?dirname(dirname(__FILE__))."/file/"; $src?=?isset($_GET['src'])?$_GET['src']:NULL; $w?=?isset($_GET['w'])?$_GET['w']:200; $h?=?isset($_GET['h'])?$_GET['h']:''; $src=?$basedir.$src; //原圖是否存在 if(!$src) {?//$src?=?'defaultImage/no_photo01.gif';$src?=?'p_w_picpaths/nullpic/nullpic1.jpg'; } //緩存圖片 $tempfile?=?dirname(__FILE__).'/temp/'.$w.'x'.$h.'_'.str_replace(array('/','\\'),?'_',?$src); if(file_exists($tempfile)?&&?filemtime($tempfile)>filemtime($src)) {$src?=?$tempfile; } else {require_once?'gcImage.php';list($swidth,$sheight)?=?getp_w_picpathsize($src);$p_w_picpath?=?new?gcImage();if(empty($h))$h?=?$w?*?$sheight/$swidth;$src?=?$p_w_picpath->imagickmakethumb($src,?$tempfile,?$w,?$h,90); } if(empty($src)) {//$src?=?'defaultImage/no_photo01.gif';$src?=?'p_w_picpaths/nullpic/nullpic1.jpg'; }//下載該圖片 $file_extension?=?strtolower(substr(strrchr($src,'.'),1)); switch($file_extension) {case?'gif':?$file_mime='p_w_picpath/gif';?break;case?'png':?$file_mime='p_w_picpath/png';?break;case?'jpg':?$file_mime='p_w_picpath/jpg';?break;default:?$file_mime=mime_content_type($src); } $length?=?filesize($src); Header("Content-type:?$file_mime;?charset=UTF-8"); Header('Accept-Ranges:?bytes'); Header('Accept-Length:?'.$length); //Header('Content-Disposition:?p_w_upload;?filename='?.?$file_name); $file?=?fopen($src,'r'); echo?fread($file,$length); fclose($file);

(2)gcImage.php

<?php /***?畫像操作*?gcImageMagickService*?@author???Founder*?@version???1.0*?@exlcude???作成日:2010/11/05*/class?gcImage?{/*構造函數-生成縮略圖+水印,參數說明:$srcFile-圖片文件名,$dstFile-另存文件名,$markwords-水印文字,$markp_w_picpath-水印圖片,$dstW-圖片保存寬度,$dstH-圖片保存高度,$rate-圖片保存品質*///makethumb("a.jpg","b.jpg","50","50");function?makethumb($srcFile,?$dstFile,?$dstW,?$dstH,?$rate?=?100,?$markwords?=?null,?$markp_w_picpath?=?null){$data?=?GetImageSize?(?$srcFile?);switch?($data?[2])?{case?1?:$im?=?@ImageCreateFromGIF?(?$srcFile?);break;case?2?:$im?=?@ImageCreateFromJPEG?(?$srcFile?);break;case?3?:$im?=?@ImageCreateFromPNG?(?$srcFile?);break;}if?(!?$im)return?False;$srcW?=?ImageSX?(?$im?);$srcH?=?ImageSY?(?$im?);$dstX?=?0;$dstY?=?0;if?($srcW?*?$dstH?<?$srcH?*?$dstW)?{$fdstH?=?round?(?$srcH?*?$dstW?/?$srcW?);$dstY?=?floor?(?($dstH?-?$fdstH)?/?2?);$fdstW?=?$dstW;}?else?{$fdstW?=?round?(?$srcW?*?$dstH?/?$srcH?);$dstX?=?floor?(?($dstW?-?$fdstW)?/?2?);$fdstH?=?$dstH;}$ni?=?ImageCreateTrueColor?(?$dstW,?$dstH?);$dstX?=?($dstX?>?($dstW?/?2))???floor?(?$dstW?/?2?)?:?$dstX;$dstY?=?($dstY?>?($dstH?/?2))???floor?(?$dstH?/?2?)?:?$dstY;$white?=?ImageColorAllocate?(?$ni,?255,?255,?255?);$black?=?ImageColorAllocate?(?$ni,?0,?0,?0?);p_w_picpathfilledrectangle?(?$ni,?0,?0,?$dstW,?$dstH,?$white?);?//?填充背景色?ImageCopyResized?(?$ni,?$im,?$dstX,?$dstY,?0,?0,?$fdstW,?$fdstH,?$srcW,?$srcH?);if?($markwords?!=?null)?{$markwords?=?iconv?(?"gb2312",?"UTF-8",?$markwords?);//轉換文字編碼?ImageTTFText?(?$ni,?20,?30,?450,?560,?$black,?"simhei.ttf",?$markwords?);?//寫入文字水印?//參數依次為，文字大小|偏轉度|橫坐標|縱坐標|文字顏色|文字類型|文字內容?}?elseif?($markp_w_picpath?!=?null)?{$wp_w_picpath_data?=?GetImageSize?(?$markp_w_picpath?);switch?($wp_w_picpath_data?[2])?{case?1?:$wp_w_picpath?=?@ImageCreateFromGIF?(?$markp_w_picpath?);break;case?2?:$wp_w_picpath?=?@ImageCreateFromJPEG?(?$markp_w_picpath?);break;case?3?:$wp_w_picpath?=?@ImageCreateFromPNG?(?$markp_w_picpath?);break;}p_w_picpathcopy?(?$ni,?$wp_w_picpath,?500,?560,?0,?0,?88,?31?);?//寫入圖片水印,水印圖片大小默認為88*31?p_w_picpathdestroy?(?$wp_w_picpath?);}ImageJpeg?(?$ni,?$dstFile,?$rate?);touch($dstFile);p_w_picpathdestroy?(?$ni?);p_w_picpathdestroy?(?$im?);return?$dstFile;}/*構造函數-生成縮略圖+水印,參數說明:$srcFile-圖片文件名,$dstFile-另存文件名,$markwords-水印文字,$markp_w_picpath-水印圖片,$dstW-圖片保存寬度,$dstH-圖片保存高度,$rate-圖片保存品質*///makethumb("a.jpg","b.jpg","50","50");function?imagickmakethumb($srcFile,?$dstFile,?$dstW,?$dstH,?$rate?=?100,?$markwords?=?null,?$markp_w_picpath?=?null){try?{$p_w_picpath=new?Imagick($srcFile);$p_w_picpath->setImageCompression(Imagick::COMPRESSION_JPEG);$p_w_picpath->setImageCompressionQuality($rate);?$p_w_picpath->setImageFormat('JPEG');$p_w_picpath->cropThumbnailImage?($dstW,$dstH);$p_w_picpath->stripImage();?if?(!empty($markwords)){$draw?=?new?ImagickDraw();$draw->setGravity(Imagick::GRAVITY_SOUTHEAST);$draw->setFont('simhei.ttf');$draw->setFontSize(12);$draw->setFillColor('#000');$p_w_picpath->annotateImage($draw,?6,?6,?0,?$markwords);}elseif(!empty($markp_w_picpath)){}$p_w_picpath->writeImage($dstFile);$p_w_picpath->clear();$p_w_picpath->destroy();return?$dstFile;}?catch?(Exception?$e)?{return?false;}} }

轉載于:https://blog.51cto.com/6846041/1418688

總結

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