{"id":26546,"date":"2024-03-16T06:52:19","date_gmt":"2024-03-16T06:52:19","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/what-is-the-method-in-java-for-receiving-blob-data\/"},"modified":"2024-03-22T08:50:50","modified_gmt":"2024-03-22T08:50:50","slug":"what-is-the-method-in-java-for-receiving-blob-data","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/what-is-the-method-in-java-for-receiving-blob-data\/","title":{"rendered":"What is the method in Java for receiving blob data?"},"content":{"rendered":"<p>In Java, we can receive Blob data by using the getBlob method of ResultSet to retrieve the Blob object. We can then use the getBinaryStream method of the Blob object to obtain the input stream and read the Blob data. Below is an example code snippet:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-comment\">\/\/ \u5047\u8bberesultSet\u662f\u67e5\u8be2\u7ed3\u679c\u7684ResultSet\u5bf9\u8c61<\/span>\r\n<span class=\"hljs-type\">Blob<\/span> <span class=\"hljs-variable\">blob<\/span> <span class=\"hljs-operator\">=<\/span> resultSet.getBlob(<span class=\"hljs-string\">\"blob_column_name\"<\/span>);\r\n<span class=\"hljs-type\">InputStream<\/span> <span class=\"hljs-variable\">inputStream<\/span> <span class=\"hljs-operator\">=<\/span> blob.getBinaryStream();\r\n\r\n<span class=\"hljs-comment\">\/\/ \u8bfb\u53d6Blob\u6570\u636e<\/span>\r\n<span class=\"hljs-type\">byte<\/span>[] data = <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">byte<\/span>[inputStream.available()];\r\ninputStream.read(data);\r\n\r\n<span class=\"hljs-comment\">\/\/ \u5173\u95ed\u6d41<\/span>\r\ninputStream.close();\r\n<\/code><\/pre>\n<p>Warning: Blob data can be very large, so it is important to be cautious of potential memory overflow issues when reading Blob data.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In Java, we can receive Blob data by using the getBlob method of ResultSet to retrieve the Blob object. We can then use the getBinaryStream method of the Blob object to obtain the input stream and read the Blob data. Below is an example code snippet: \/\/ \u5047\u8bberesultSet\u662f\u67e5\u8be2\u7ed3\u679c\u7684ResultSet\u5bf9\u8c61 Blob blob = resultSet.getBlob(&#8220;blob_column_name&#8221;); InputStream inputStream = [&hellip;]<\/p>\n","protected":false},"author":13,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-26546","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) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is the method in Java for receiving blob data? - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/blog\/what-is-the-method-in-java-for-receiving-blob-data\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is the method in Java for receiving blob data?\" \/>\n<meta property=\"og:description\" content=\"In Java, we can receive Blob data by using the getBlob method of ResultSet to retrieve the Blob object. We can then use the getBinaryStream method of the Blob object to obtain the input stream and read the Blob data. Below is an example code snippet: \/\/ \u5047\u8bberesultSet\u662f\u67e5\u8be2\u7ed3\u679c\u7684ResultSet\u5bf9\u8c61 Blob blob = resultSet.getBlob(&quot;blob_column_name&quot;); InputStream inputStream = [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/what-is-the-method-in-java-for-receiving-blob-data\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-16T06:52:19+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-22T08:50:50+00:00\" \/>\n<meta name=\"author\" content=\"Isabella Edwards\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:site\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Isabella Edwards\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-is-the-method-in-java-for-receiving-blob-data\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-is-the-method-in-java-for-receiving-blob-data\/\"},\"author\":{\"name\":\"Isabella Edwards\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/5579144e23c225c8188167f3e3f888dd\"},\"headline\":\"What is the method in Java for receiving blob data?\",\"datePublished\":\"2024-03-16T06:52:19+00:00\",\"dateModified\":\"2024-03-22T08:50:50+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-is-the-method-in-java-for-receiving-blob-data\/\"},\"wordCount\":79,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-is-the-method-in-java-for-receiving-blob-data\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/what-is-the-method-in-java-for-receiving-blob-data\/\",\"name\":\"What is the method in Java for receiving blob data? 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We can then use the getBinaryStream method of the Blob object to obtain the input stream and read the Blob data. Below is an example code snippet: \/\/ \u5047\u8bberesultSet\u662f\u67e5\u8be2\u7ed3\u679c\u7684ResultSet\u5bf9\u8c61 Blob blob = resultSet.getBlob(\"blob_column_name\"); InputStream inputStream = [&hellip;]","og_url":"https:\/\/www.silicloud.com\/blog\/what-is-the-method-in-java-for-receiving-blob-data\/","og_site_name":"Blog - Silicon Cloud","article_publisher":"https:\/\/www.facebook.com\/SiliCloudGlobal\/","article_published_time":"2024-03-16T06:52:19+00:00","article_modified_time":"2024-03-22T08:50:50+00:00","author":"Isabella Edwards","twitter_card":"summary_large_image","twitter_creator":"@SiliCloudGlobal","twitter_site":"@SiliCloudGlobal","twitter_misc":{"Written by":"Isabella Edwards"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.silicloud.com\/blog\/what-is-the-method-in-java-for-receiving-blob-data\/#article","isPartOf":{"@id":"https:\/\/www.silicloud.com\/blog\/what-is-the-method-in-java-for-receiving-blob-data\/"},"author":{"name":"Isabella Edwards","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/5579144e23c225c8188167f3e3f888dd"},"headline":"What is the method in Java for receiving blob data?","datePublished":"2024-03-16T06:52:19+00:00","dateModified":"2024-03-22T08:50:50+00:00","mainEntityOfPage":{"@id":"https:\/\/www.silicloud.com\/blog\/what-is-the-method-in-java-for-receiving-blob-data\/"},"wordCount":79,"commentCount":0,"publisher":{"@id":"https:\/\/www.silicloud.com\/blog\/#organization"},"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/blog\/what-is-the-method-in-java-for-receiving-blob-data\/","url":"https:\/\/www.silicloud.com\/blog\/what-is-the-method-in-java-for-receiving-blob-data\/","name":"What is the method in Java for receiving blob data? 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