{"id":1321,"date":"2024-06-03T15:23:36","date_gmt":"2024-06-03T07:23:36","guid":{"rendered":"https:\/\/blog.quantoyo.com\/?p=1321"},"modified":"2024-06-18T11:20:28","modified_gmt":"2024-06-18T03:20:28","slug":"java-%e8%ae%80%e5%8f%96%e5%9c%96%e7%89%87-exif-%e8%a8%8a%e6%81%af","status":"publish","type":"post","link":"https:\/\/blog.quantoyo.com\/?p=1321","title":{"rendered":"JAVA \u8b80\u53d6\u5716\u7247 EXIF \u8a0a\u606f"},"content":{"rendered":"\n<p>\u5716\u7247\u7684EXIF \u8a0a\u606f\u5167\u5305\u542b\u4e86\u76f8\u6a5f\u8cc7\u8a0a\uff0c\u5149\u5708\u3001\u7126\u8ddd \u7b49\u7b49\u8a0a\u606f\u3002<\/p>\n\n\n\n<p>\u53ef\u4ee5\u7528com.drew.imaging.ImageMetadataReader \u8b80\u53d6\u5716\u7247\u6a94\u6848\u5167\u7684 EXIF \u8a0a\u606f\uff0c\u4ee5\u4fbf\u62ff\u4f86\u5206\u6790\u3002<\/p>\n\n\n\n<!--more-->\n\n\n\n<p>\u70ba\u4e86\u5206\u6790\u93e1\u982d\u5230\u5e95\u54ea\u500b\u7126\u6bb5\u6700\u5e38\u4f7f\u7528\uff0c\u5beb\u4e86\u500b\u5c0f\u5de5\u5177&#8230;\u6b61\u8fce\u81ea\u884c\u53d6\u7528<\/p>\n\n\n\n<div class=\"wp-block-file\"><a id=\"wp-block-file--media-8c6bb4c4-dc9a-4878-95a9-0ddceefbd836\" href=\"https:\/\/blog.quantoyo.com\/wp-content\/uploads\/2024\/06\/PhotoInfo_1.0.2.jar_-1.zip\">PhotoInfo_1.0.2.jar<\/a><a href=\"https:\/\/blog.quantoyo.com\/wp-content\/uploads\/2024\/06\/PhotoInfo_1.0.2.jar_-1.zip\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-8c6bb4c4-dc9a-4878-95a9-0ddceefbd836\">\u4e0b\u8f09<\/a><\/div>\n\n\n\n<p>\u4ee5\u4e0b\u70ba\u4e3b\u8981\u7684\u7a0b\u5f0f\u78bc\uff0c\u62ff\u4f86\u53d6\u5f97\u5716\u7247\u4e2d\u7684 \u7126\u8ddd \u8cc7\u8a0a<\/p>\n\n\n\n<pre class=\"wp-block-code has-cyan-bluish-gray-background-color has-background has-small-font-size\"><code>public String getFocusInfo(File imgFile) {\n\tMetadata metadata;\n\ttry {\n\t\tmetadata = ImageMetadataReader.readMetadata(imgFile);\n\t\tIterable&lt;Directory&gt; directories = metadata.getDirectories();\n\t\tfor (Directory directory : directories) {\n\t\t\tif(!\"Exif SubIFD\".equals(directory.getName())) {\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tCollection&lt;Tag&gt; tags = directory.getTags();\n\t\t\tfor (Tag tag : tags) {\n\t\t\t\tint tagType = tag.getTagType();\n\t\t\t\tString tagName = tag.getTagName();\n\t\t\t\tString description = tag.getDescription();\n\t\t\t\tif(\"Focal Length\".equals(tagName)) {\n\t\t\t\t\treturn description;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t} catch (ImageProcessingException e) {\n\t\tSystem.out.println(\"\u672a\u77e5\u6a94\u6848\u683c\u5f0f:\" + imgFile.getPath() + \"\/\" + imgFile.getName());\n\t\te.printStackTrace();\n\t} catch (IOException e) {\n\t\tSystem.out.println(\"\u672a\u77e5\u932f\u8aa4:\" + imgFile.getPath() + \"\/\" + imgFile.getName());\n\t\t\/\/ TODO Auto-generated catch block\n\t\te.printStackTrace();\n\t}\n\treturn \"\";\n}<\/code><\/pre>\n\n\n\n<p>\u7576\u7136\u540c\u6a23\u7684\u65b9\u6cd5\u53ef\u4ee5\u53d6\u5f97\u6240\u6709\u5716\u7247\u4e2d\u7684EXIF\u8a0a\u606f\u3002<\/p>\n\n\n\n<p>if(&#8220;Focal Length&#8221;.equals(tagName)) { \u9019\u500b\u5224\u65b7\u5f0f\u62ff\u6389\u5373\u53ef\u8dd1\u5b8c\u5168\u90e8\u7684\u9805\u76ee\u3002<\/p>\n\n\n\n<p>\u9644\u4e0amaven \u5009\u5132\u7684pom.xml \u5167\u5bb9<\/p>\n\n\n\n<pre class=\"wp-block-code has-cyan-bluish-gray-background-color has-background has-small-font-size\"><code>&lt;dependency&gt;\n\t      &lt;groupId&gt;com.drewnoakes&lt;\/groupId&gt;\n\t      &lt;artifactId&gt;metadata-extractor&lt;\/artifactId&gt;\n\t      &lt;version&gt;2.18.0&lt;\/version&gt;\n\t&lt;\/dependency&gt;<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5716\u7247\u7684EXIF \u8a0a\u606f\u5167\u5305\u542b\u4e86\u76f8\u6a5f\u8cc7\u8a0a\uff0c\u5149\u5708\u3001\u7126\u8ddd \u7b49\u7b49\u8a0a\u606f\u3002 \u53ef\u4ee5\u7528com.drew.imaging.Imag &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/blog.quantoyo.com\/?p=1321\" class=\"more-link\">\u95b1\u8b80\u5168\u6587<span class=\"screen-reader-text\">\u3008JAVA \u8b80\u53d6\u5716\u7247 EXIF \u8a0a\u606f\u3009<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[193,187,183,188,8,64,192,190,189],"class_list":["post-1321","post","type-post","status-publish","format-standard","hentry","category-technology","tag-com-drewnoakes","tag-exif","tag-image","tag-imagemetadatareader","tag-java","tag-maven","tag-metadata-extractor","tag-190","tag-189"],"_links":{"self":[{"href":"https:\/\/blog.quantoyo.com\/index.php?rest_route=\/wp\/v2\/posts\/1321","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.quantoyo.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.quantoyo.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.quantoyo.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.quantoyo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1321"}],"version-history":[{"count":3,"href":"https:\/\/blog.quantoyo.com\/index.php?rest_route=\/wp\/v2\/posts\/1321\/revisions"}],"predecessor-version":[{"id":1384,"href":"https:\/\/blog.quantoyo.com\/index.php?rest_route=\/wp\/v2\/posts\/1321\/revisions\/1384"}],"wp:attachment":[{"href":"https:\/\/blog.quantoyo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1321"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.quantoyo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1321"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.quantoyo.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1321"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}