{"id":88669,"date":"2024-03-21T10:06:19","date_gmt":"2024-03-21T01:06:19","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/mybatis%e3%81%a7blob%e3%83%95%e3%82%a3%e3%83%bc%e3%83%ab%e3%83%89%e3%82%92%e8%aa%ad%e3%81%bf%e5%8f%96%e3%82%8b%e6%96%b9%e6%b3%95\/"},"modified":"2024-03-27T16:51:18","modified_gmt":"2024-03-27T07:51:18","slug":"mybatis%e3%81%a7blob%e3%83%95%e3%82%a3%e3%83%bc%e3%83%ab%e3%83%89%e3%82%92%e8%aa%ad%e3%81%bf%e5%8f%96%e3%82%8b%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/mybatis%e3%81%a7blob%e3%83%95%e3%82%a3%e3%83%bc%e3%83%ab%e3%83%89%e3%82%92%e8%aa%ad%e3%81%bf%e5%8f%96%e3%82%8b%e6%96%b9%e6%b3%95\/","title":{"rendered":"MyBatis\u3067BLOB\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u8aad\u307f\u53d6\u308b\u65b9\u6cd5"},"content":{"rendered":"<p>MyBatis\u3067Blob\u578b\u306e\u30ab\u30e9\u30e0\u3092\u8aad\u307f\u8fbc\u3080\u5834\u5408\u306f\u3001java.sql.Blob\u30af\u30e9\u30b9\u3092\u4f7f\u3063\u3066\u51e6\u7406\u3057\u307e\u3059\u3002Blob\u578b\u306e\u30ab\u30e9\u30e0\u3092\u8aad\u307f\u8fbc\u3080\u305f\u3081\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-comment\">\/\/ \u5b9a\u4e49\u4e00\u4e2aMyBatis\u6620\u5c04\u6587\u4ef6\u4e2d\u7684\u67e5\u8be2\u8bed\u53e5<\/span>\r\n&lt;select id=<span class=\"hljs-string\">\"selectBlobData\"<\/span> resultType=<span class=\"hljs-string\">\"java.util.Map\"<\/span>&gt;\r\n  SELECT id, blob_data\r\n  FROM my_table\r\n  <span class=\"hljs-type\">WHERE<\/span> <span class=\"hljs-variable\">id<\/span> <span class=\"hljs-operator\">=<\/span> #{id}\r\n&lt;\/select&gt;\r\n\r\n<span class=\"hljs-comment\">\/\/ \u5728Java\u4ee3\u7801\u4e2d\u8c03\u7528MyBatis\u67e5\u8be2\u8bed\u53e5\u5e76\u8bfb\u53d6Blob\u5b57\u6bb5<\/span>\r\n<span class=\"hljs-type\">SqlSession<\/span> <span class=\"hljs-variable\">sqlSession<\/span> <span class=\"hljs-operator\">=<\/span> sqlSessionFactory.openSession();\r\n<span class=\"hljs-keyword\">try<\/span> {\r\n  Map&lt;String, Object&gt; result = sqlSession.selectOne(<span class=\"hljs-string\">\"selectBlobData\"<\/span>, id);\r\n  <span class=\"hljs-type\">Blob<\/span> <span class=\"hljs-variable\">blobData<\/span> <span class=\"hljs-operator\">=<\/span> (Blob) result.get(<span class=\"hljs-string\">\"blob_data\"<\/span>);\r\n  \r\n  <span class=\"hljs-comment\">\/\/ \u8bfb\u53d6Blob\u6570\u636e<\/span>\r\n  <span class=\"hljs-type\">InputStream<\/span> <span class=\"hljs-variable\">inputStream<\/span> <span class=\"hljs-operator\">=<\/span> blobData.getBinaryStream();\r\n  <span class=\"hljs-comment\">\/\/ \u5904\u7406InputStream\u4e2d\u7684\u6570\u636e\uff0c\u6bd4\u5982\u5199\u5165\u6587\u4ef6\u7b49\u64cd\u4f5c<\/span>\r\n  \r\n} <span class=\"hljs-keyword\">finally<\/span> {\r\n  sqlSession.close();\r\n}\r\n<\/code><\/pre>\n<p>MyBatis\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u30d5\u30a1\u30a4\u30eb\u306bBlob\u30ab\u30e9\u30e0\u3092\u542b\u3080\u30af\u30a8\u30ea\u6587\u3092\u5b9a\u7fa9\u3057\u3001\u305d\u306e\u30af\u30a8\u30ea\u3092\u5b9f\u884c\u3057\u3066Blob\u30ab\u30e9\u30e0\u306e\u5024\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002getBinaryStream()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066Blob\u30ab\u30e9\u30e0\u306e\u30d0\u30a4\u30ca\u30ea\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u53d6\u5f97\u3057\u3001\u30d5\u30a1\u30a4\u30eb\u3078\u306e\u66f8\u304d\u8fbc\u307f\u306a\u3069\u3001\u5fc5\u8981\u306a\u51e6\u7406\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MyBatis\u3067Blob\u578b\u306e\u30ab\u30e9\u30e0\u3092\u8aad\u307f\u8fbc\u3080\u5834\u5408\u306f\u3001java.sql.Blob\u30af\u30e9\u30b9\u3092\u4f7f\u3063\u3066\u51e6\u7406\u3057\u307e\u3059\u3002Blob\u578b\u306e\u30ab\u30e9\u30e0\u3092\u8aad\u307f\u8fbc\u3080\u305f\u3081\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u793a\u3057\u307e\u3059\u3002 \/\/ \u5b9a\u4e49\u4e00\u4e2aMyBatis\u6620\u5c04\u6587\u4ef6\u4e2d\u7684\u67e5\u8be2\u8bed\u53e5 &#038;l [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-88669","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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