{"id":62089,"date":"2024-10-13T16:05:18","date_gmt":"2024-10-13T08:05:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/62089\/"},"modified":"2024-10-13T16:05:18","modified_gmt":"2024-10-13T08:05:18","slug":"java%e6%95%b8%e6%93%9a%e5%ba%ab%e5%af%a6%e7%8f%be%e5%9c%96%e7%89%87%e5%ad%98%e5%84%b2%e8%a9%b3%e8%a7%a3-java%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%98%e5%84%b2%e5%9c%96%e7%89%87","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/62089\/","title":{"rendered":"Java\u6578\u64da\u5eab\u5be6\u73fe\u5716\u7247\u5b58\u5132\u8a73\u89e3 (java\u6578\u64da\u5eab\u5b58\u5132\u5716\u7247)"},"content":{"rendered":"<h1 id=\"java%e6%95%b8%e6%93%9a%e5%ba%ab%e5%af%a6%e7%8f%be%e5%9c%96%e7%89%87%e5%ad%98%e5%84%b2%e8%a9%b3%e8%a7%a3-XVLvzfroTH\">Java\u6578\u64da\u5eab\u5be6\u73fe\u5716\u7247\u5b58\u5132\u8a73\u89e3<\/h1>\n<p>\u5728\u73fe\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u5716\u7247\u7684\u5b58\u5132\u8207\u7ba1\u7406\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u7121\u8ad6\u662f\u793e\u4ea4\u5a92\u9ad4\u5e73\u53f0\u3001\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\u9084\u662f\u500b\u4eba\u535a\u5ba2\uff0c\u5716\u7247\u90fd\u626e\u6f14\u8457\u95dc\u9375\u89d2\u8272\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Java\u8207\u6578\u64da\u5eab\u5be6\u73fe\u5716\u7247\u7684\u5b58\u5132\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u4ee3\u78bc\u793a\u4f8b\u548c\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<h2 id=\"%e5%9c%96%e7%89%87%e5%ad%98%e5%84%b2%e7%9a%84%e6%96%b9%e5%bc%8f-XVLvzfroTH\">\u5716\u7247\u5b58\u5132\u7684\u65b9\u5f0f<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u4e2d\u5b58\u5132\u5716\u7247\u4e3b\u8981\u6709\u5169\u7a2e\u65b9\u5f0f\uff1a\u5c07\u5716\u7247\u4ee5\u4e8c\u9032\u5236\u6578\u64da\uff08BLOB\uff09\u5f62\u5f0f\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u6216\u5c07\u5716\u7247\u5b58\u5132\u5728\u6587\u4ef6\u7cfb\u7d71\u4e2d\uff0c\u4e26\u5728\u6578\u64da\u5eab\u4e2d\u4fdd\u5b58\u5176\u8def\u5f91\u3002\u4ee5\u4e0b\u662f\u9019\u5169\u7a2e\u65b9\u6cd5\u7684\u8a73\u7d30\u4ecb\u7d39\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8blob%e5%ad%98%e5%84%b2%e5%9c%96%e7%89%87-XVLvzfroTH\">1. \u4f7f\u7528BLOB\u5b58\u5132\u5716\u7247<\/h3>\n<p>BLOB\uff08Binary Large Object\uff09\u662f\u4e00\u7a2e\u7528\u65bc\u5b58\u5132\u5927\u91cf\u4e8c\u9032\u5236\u6578\u64da\u7684\u6578\u64da\u985e\u578b\u3002\u4f7f\u7528BLOB\u5b58\u5132\u5716\u7247\u7684\u512a\u9ede\u662f\u53ef\u4ee5\u5c07\u5716\u7247\u8207\u5176\u4ed6\u6578\u64da\u7dca\u5bc6\u7d50\u5408\uff0c\u65b9\u4fbf\u7ba1\u7406\u548c\u5099\u4efd\u3002<\/p>\n<pre><code>import java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.PreparedStatement;\nimport java.io.File;\nimport java.io.FileInputStream;\n\npublic class ImageStorage {\n    public static void main(String[] args) {\n        String url = \"jdbc:mysql:\/\/localhost:3306\/your_database\";\n        String user = \"your_username\";\n        String password = \"your_password\";\n        \n        try (Connection conn = DriverManager.getConnection(url, user, password)) {\n            String sql = \"INSERT INTO images (image) VALUES (?)\";\n            PreparedStatement pstmt = conn.prepareStatement(sql);\n            File file = new File(\"path_to_your_image.jpg\");\n            FileInputStream fis = new FileInputStream(file);\n            pstmt.setBinaryStream(1, fis, (int) file.length());\n            pstmt.executeUpdate();\n            fis.close();\n            System.out.println(\"\u5716\u7247\u5df2\u6210\u529f\u5b58\u5132\uff01\");\n        } catch (Exception e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e6%96%87%e4%bb%b6%e7%b3%bb%e7%b5%b1%e5%ad%98%e5%84%b2%e5%9c%96%e7%89%87-XVLvzfroTH\">2. \u4f7f\u7528\u6587\u4ef6\u7cfb\u7d71\u5b58\u5132\u5716\u7247<\/h3>\n<p>\u53e6\u4e00\u7a2e\u5e38\u898b\u7684\u65b9\u6cd5\u662f\u5c07\u5716\u7247\u5b58\u5132\u5728\u6587\u4ef6\u7cfb\u7d71\u4e2d\uff0c\u4e26\u5728\u6578\u64da\u5eab\u4e2d\u4fdd\u5b58\u5176\u8def\u5f91\u3002\u9019\u7a2e\u65b9\u6cd5\u7684\u512a\u9ede\u662f\u53ef\u4ee5\u6e1b\u5c11\u6578\u64da\u5eab\u7684\u8ca0\u64d4\uff0c\u4e26\u4e14\u5728\u8655\u7406\u5927\u6587\u4ef6\u6642\u66f4\u70ba\u9ad8\u6548\u3002<\/p>\n<pre><code>import java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.PreparedStatement;\n\npublic class ImagePathStorage {\n    public static void main(String[] args) {\n        String url = \"jdbc:mysql:\/\/localhost:3306\/your_database\";\n        String user = \"your_username\";\n        String password = \"your_password\";\n        \n        try (Connection conn = DriverManager.getConnection(url, user, password)) {\n            String sql = \"INSERT INTO images (image_path) VALUES (?)\";\n            PreparedStatement pstmt = conn.prepareStatement(sql);\n            pstmt.setString(1, \"path_to_your_image.jpg\");\n            pstmt.executeUpdate();\n            System.out.println(\"\u5716\u7247\u8def\u5f91\u5df2\u6210\u529f\u5b58\u5132\uff01\");\n        } catch (Exception e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%e9%81%b8%e6%93%87%e5%90%88%e9%81%a9%e7%9a%84%e5%ad%98%e5%84%b2%e6%96%b9%e5%bc%8f-XVLvzfroTH\">\u9078\u64c7\u5408\u9069\u7684\u5b58\u5132\u65b9\u5f0f<\/h2>\n<p>\u9078\u64c7\u54ea\u7a2e\u5b58\u5132\u65b9\u5f0f\u53d6\u6c7a\u65bc\u5177\u9ad4\u7684\u61c9\u7528\u9700\u6c42\u3002\u5982\u679c\u9700\u8981\u983b\u7e41\u5730\u8a2a\u554f\u548c\u4fee\u6539\u5716\u7247\uff0c\u4f7f\u7528BLOB\u53ef\u80fd\u66f4\u5408\u9069\uff1b\u800c\u5982\u679c\u5716\u7247\u6578\u91cf\u9f90\u5927\u4e14\u4e0d\u7d93\u5e38\u8b8a\u52d5\uff0c\u5247\u4f7f\u7528\u6587\u4ef6\u7cfb\u7d71\u5b58\u5132\u53ef\u80fd\u66f4\u70ba\u9ad8\u6548\u3002<\/p>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-XVLvzfroTH\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<ul>\n<li><strong>\u58d3\u7e2e\u5716\u7247\uff1a<\/strong>\u5728\u5b58\u5132\u4e4b\u524d\uff0c\u5c0d\u5716\u7247\u9032\u884c\u58d3\u7e2e\u53ef\u4ee5\u7bc0\u7701\u5b58\u5132\u7a7a\u9593\u3002<\/li>\n<li><strong>\u4f7f\u7528\u5408\u9069\u7684\u6578\u64da\u985e\u578b\uff1a<\/strong>\u78ba\u4fdd\u6578\u64da\u5eab\u4e2d\u7684\u5b57\u6bb5\u985e\u578b\u8207\u5b58\u5132\u7684\u6578\u64da\u76f8\u5339\u914d\u3002<\/li>\n<li><strong>\u5b9a\u671f\u5099\u4efd\uff1a<\/strong>\u7121\u8ad6\u662f\u6578\u64da\u5eab\u9084\u662f\u6587\u4ef6\u7cfb\u7d71\uff0c\u5b9a\u671f\u5099\u4efd\u90fd\u662f\u5fc5\u8981\u7684\uff0c\u4ee5\u9632\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-XVLvzfroTH\">\u7e3d\u7d50<\/h2>\n<p>\u5728Java\u4e2d\u5be6\u73fe\u5716\u7247\u7684\u6578\u64da\u5eab\u5b58\u5132\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u7121\u8ad6\u662f\u4f7f\u7528BLOB\u9084\u662f\u6587\u4ef6\u7cfb\u7d71\u5b58\u5132\uff0c\u90fd\u6709\u5176\u5404\u81ea\u7684\u512a\u7f3a\u9ede\u3002\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u5b58\u5132\u65b9\u5f0f\uff0c\u4e26\u9075\u5faa\u6700\u4f73\u5be6\u8e10\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u548c\u5b58\u5132\u5716\u7247\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u5728\u96f2\u74b0\u5883\u4e2d\u90e8\u7f72\u9019\u4e9b\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u53c3\u8003\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">VPS<\/a> \u670d\u52d9\uff0c\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u8a0eJava\u6578\u64da\u5eab\u5982\u4f55\u5be6\u73fe\u5716\u7247\u5b58\u5132\uff0c\u63d0\u4f9b\u8a73\u7d30\u6b65\u9a5f\u8207\u7bc4\u4f8b\uff0c\u52a9\u4f60\u8f15\u9b06\u7ba1\u7406\u5716\u7247\u6578\u64da\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-62089","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62089","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=62089"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62089\/revisions"}],"predecessor-version":[{"id":62090,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62089\/revisions\/62090"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=62089"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=62089"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=62089"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}