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php編程可實現顯示照片EXIF信息，顯示圖片中縮略圖效果，其代碼如下：
<?/*** 獲取圖象信息的函數* 一個全面獲取圖象信息的函數* @access public* @param string $img 圖片路徑* @return array*/function GetImageInfoVal($ImageInfo,$val_arr) { $InfoVal = "未知"; foreach($val_arr as $name=>$val) { if ($name==$ImageInfo) { $InfoVal = &$val; break; } } return $InfoVal;}function GetImageInfo($img) { $imgtype = array("", "GIF", "JPG", "PNG", "SWF", "PSD", "BMP", "TIFF(intel byte order)", "TIFF(motorola byte order)", "JPC", "JP2", "JPX", "JB2", "SWC", "IFF", "WBMP", "XBM"); $Orientation = array("", "top left side", "top right side", "bottom right side", "bottom left side", "left side top", "right side top", "right side bottom", "left side bottom"); $ResolutionUnit = array("", "", "英寸", "厘米"); $YCbCrPositioning = array("", "the center of pixel array", "the datum point"); $ExposureProgram = array("未定義", "手動", "標準程序", "光圈先決", "快門先決", "景深先決", "運動模式", "肖像模式", "風景模式"); $MeteringMode_arr = array( "0" => "未知", "1" => "平均", "2" => "中央重點平均測光", "3" => "點測", "4" => "分區", "5" => "評估", "6" => "局部", "255" => "其他" ); $Lightsource_arr = array( "0" => "未知", "1" => "日光", "2" => "熒光燈", "3" => "鎢絲燈", "10" => "閃光燈", "17" => "標準燈光A", "18" => "標準燈光B", "19" => "標準燈光C", "20" => "D55", "21" => "D65", "22" => "D75", "255" => "其他" ); $Flash_arr = array( "0" => "flash did not fire", "1" => "flash fired", "5" => "flash fired but strobe return light not detected", "7" => "flash fired and strobe return light detected", ); $exif = exif_read_data ($img,"IFD0"); if ($exif===false) { $new_img_info = array ("文件信息" => "沒有圖片EXIF信息"); } else { $exif = exif_read_data ($img,0,true); $new_img_info = array ( "文件信息" => "-----------------------------", "文件名" => $exif[FILE][FileName], "文件類型" => $imgtype[$exif[FILE][FileType]], "文件格式" => $exif[FILE][MimeType], "文件大小" => $exif[FILE][FileSize], "時間戳" => date("Y-m-d H:i:s",$exif[FILE][FileDateTime]), "圖像信息" => "-----------------------------", "圖片說明" => $exif[IFD0][ImageDescription], "制造商" => $exif[IFD0][Make], "型號" => $exif[IFD0][Model], "方向" => $Orientation[$exif[IFD0][Orientation]], "水平分辨率" => $exif[IFD0][XResolution].$ResolutionUnit[$exif[IFD0][ResolutionUnit]], "垂直分辨率" => $exif[IFD0][YResolution].$ResolutionUnit[$exif[IFD0][ResolutionUnit]], "創建軟件" => $exif[IFD0][Software], "修改時間" => $exif[IFD0][DateTime], "作者" => $exif[IFD0][Artist], "YCbCr位置控制" => $YCbCrPositioning[$exif[IFD0][YCbCrPositioning]], "版權" => $exif[IFD0][Copyright], "攝影版權" => $exif[COMPUTED][Copyright.Photographer], "編輯版權" => $exif[COMPUTED][Copyright.Editor], "拍攝信息" => "-----------------------------", "Exif版本" => $exif[EXIF][ExifVersion], "FlashPix版本" => "Ver. ".number_format($exif[EXIF][FlashPixVersion]/100,2), "拍攝時間" => $exif[EXIF][DateTimeOriginal], "數字化時間" => $exif[EXIF][DateTimeDigitized], "拍攝分辨率高" => $exif[COMPUTED][Height], "拍攝分辨率寬" => $exif[COMPUTED][Width], /* The actual aperture value of lens when the image was taken. Unit is APEX. To convert this value to ordinary F-number(F-stop), calculate this value's power of root 2 (=1.4142). For example, if the ApertureValue is '5', F-number is pow(1.41425,5) = F5.6. */ "光圈" => $exif[EXIF][ApertureValue], "快門速度" => $exif[EXIF][ShutterSpeedValue], "快門光圈" => $exif[COMPUTED][ApertureFNumber], "最大光圈值" => "F".$exif[EXIF][MaxApertureValue], "曝光時間" => $exif[EXIF][ExposureTime], "F-Number" => $exif[EXIF][FNumber], "測光模式" => GetImageInfoVal($exif[EXIF][MeteringMode],$MeteringMode_arr), "光源" => GetImageInfoVal($exif[EXIF][LightSource], $Lightsource_arr), "閃光燈" => GetImageInfoVal($exif[EXIF][Flash], $Flash_arr), "曝光模式" => ($exif[EXIF][ExposureMode]==1?"手動":"自動"), "白平衡" => ($exif[EXIF][WhiteBalance]==1?"手動":"自動"), "曝光程序" => $ExposureProgram[$exif[EXIF][ExposureProgram]], /* Brightness of taken subject, unit is APEX. To calculate Exposure(Ev) from BrigtnessValue(Bv), you must add SensitivityValue(Sv). Ev=Bv+Sv Sv=log((ISOSpeedRating/3.125),2) ISO100:Sv=5, ISO200:Sv=6, ISO400:Sv=7, ISO125:Sv=5.32. */ "曝光補償" => $exif[EXIF][ExposureBiasValue]."EV", "ISO感光度" => $exif[EXIF][ISOSpeedRatings], "分量配置" => (bin2hex($exif[EXIF][ComponentsConfiguration])=="01020300"?"YCbCr":"RGB"),//'0x04,0x05,0x06,0x00'="RGB" '0x01,0x02,0x03,0x00'="YCbCr" "圖像壓縮率" => $exif[EXIF][CompressedBitsPerPixel]."Bits/Pixel", "對焦距離" => $exif[COMPUTED][FocusDistance]."m", "焦距" => $exif[EXIF][FocalLength]."mm", "等價35mm焦距" => $exif[EXIF][FocalLengthIn35mmFilm]."mm", /* Stores user comment. This tag allows to use two-byte character code or unicode. First 8 bytes describe the character code. 'JIS' is a Japanese character code (known as Kanji). '0x41,0x53,0x43,0x49,0x49,0x00,0x00,0x00':ASCII '0x4a,0x49,0x53,0x00,0x00,0x00,0x00,0x00':JIS '0x55,0x4e,0x49,0x43,0x4f,0x44,0x45,0x00':Unicode '0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00':Undefined */ "用戶注釋編碼" => $exif[COMPUTED][UserCommentEncoding], "用戶注釋" => $exif[COMPUTED][UserComment], "色彩空間" => ($exif[EXIF][ColorSpace]==1?"sRGB":"Uncalibrated"), "Exif圖像寬度" => $exif[EXIF][ExifImageLength], "Exif圖像高度" => $exif[EXIF][ExifImageWidth], "文件來源" => (bin2hex($exif[EXIF][FileSource])==0x03?"digital still camera":"unknown"), "場景類型" => (bin2hex($exif[EXIF][SceNEType])==0x01?"A directly photographed image":"unknown"), "縮略圖文件格式" => $exif[COMPUTED][Thumbnail.FileType], "縮略圖Mime格式" => $exif[COMPUTED][Thumbnail.MimeType] ); } return $new_img_info;}$innerhtml = "";$exif = GetImageInfo($_GET['img']);$innerhtml .= "<TABLE>";foreach($exif as $name=>$val) { $innerhtml .= "<TR><TD>{$name}</TD><TD>{$val}</TD></TR>";}$innerhtml .= "<TR><TD colspan=/"2/">";if ($_GET['img']) { $image = exif_thumbnail($_GET['img']);} else { $image = false;}if ($image!==false) { $innerhtml .= "<img src=/"thumbnail.php?img=".$_GET['img']."/">";} else { // no thumbnail available, handle the error here $innerhtml .= "No thumbnail available";}$innerhtml .= "</TD></TR></TABLE>";?><html><head> <title>圖片信息</title><meta http-equiv="Content-Type" content="text/html; charset=??????"></head><body><SCRIPT><!--//初始化內容值parent.followTd<?=$_GET['r_id'];?>.innerHTML='<?=$innerhtml;?>';//已讀取parent.document.images.followImg<?=$_GET['r_id'];?>.loaded='yes';--></SCRIPT></body></html> php技術：PHP實現顯示照片exif信息的方法，轉載需保留來源！
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