{"id":64579,"date":"2025-05-03T14:38:01","date_gmt":"2025-05-03T06:38:01","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64579\/"},"modified":"2025-05-03T14:38:01","modified_gmt":"2025-05-03T06:38:01","slug":"java%e6%80%8e%e4%b9%88%e8%8e%b7%e5%8f%96%e6%95%b0%e6%8d%ae%e5%ba%93%e7%9a%84%e6%95%b0%e7%bb%84%e4%b8%ad-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64579\/","title":{"rendered":"java\u600e\u4e48\u83b7\u53d6\u6570\u636e\u5e93\u7684\u6570\u7ec4\u4e2d"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u53ef\u4ee5\u4f7f\u7528 getarray() \u65b9\u6cd5\u83b7\u53d6\u6570\u636e\u5e93\u6570\u7ec4\uff0c\u8be5\u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a array \u5bf9\u8c61\u4ee3\u8868\u6570\u636e\u5e93\u4e2d\u7684\u6570\u7ec4\u3002\u7136\u540e\u53ef\u4ee5\u4f7f\u7528\u8be5 array \u5bf9\u8c61\u7684 getresultset() \u65b9\u6cd5\u83b7\u53d6\u4e00\u4e2a resultset \u5bf9\u8c61\uff0c\u8be5\u5bf9\u8c61\u5305\u542b\u6570\u7ec4\u5143\u7d20\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/04\/2024110402124457136.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u83b7\u53d6\u6570\u636e\u5e93\u7684\u6570\u7ec4\u4e2d\u63d2\u56fe\" alt=\"java\u600e\u4e48\u83b7\u53d6\u6570\u636e\u5e93\u7684\u6570\u7ec4\u4e2d\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u83b7\u53d6\u6570\u636e\u5e93\u6570\u7ec4\u4e2d\u7684 Java<\/strong><\/p>\n<p>Java \u4e2d\u83b7\u53d6\u6570\u636e\u5e93\u6570\u7ec4\u53ef\u4ee5\u4f7f\u7528 getArray() \u65b9\u6cd5\u3002\u5b83\u8fd4\u56de\u4e00\u4e2a Array \u5bf9\u8c61\uff0c\u4ee3\u8868\u6570\u636e\u5e93\u4e2d\u7684\u6570\u7ec4\u3002<\/p>\n<p><strong>\u83b7\u53d6 Array \u5bf9\u8c61<\/strong><\/p>\n<pre>\/\/ Statement \u5bf9\u8c61\nStatement stmt = connection.createStatement();\n\n\/\/ \u6267\u884c\u67e5\u8be2\u4ee5\u68c0\u7d22\u5305\u542b\u6570\u7ec4\u7684\u5217\nResultSet rs = stmt.executeQuery(\"SELECT array_column FROM table_name\");\n\n\/\/ \u83b7\u53d6\u7ed3\u679c\u96c6\u4e2d\u5305\u542b\u6570\u7ec4\u7684\u5217\nwhile (rs.next()) {\n    Array array = rs.getArray(\"array_column\");\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>\u83b7\u53d6 Array \u5bf9\u8c61\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528 getArray() \u65b9\u6cd5\u8bbf\u95ee\u5176\u5143\u7d20\u3002\u8be5\u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a ResultSet \u5bf9\u8c61\uff0c\u5176\u4e2d\u5305\u542b\u6570\u7ec4\u7684\u5143\u7d20\u3002<\/p>\n<pre>ResultSet elements = array.getResultSet();\n\n\/\/ \u904d\u5386\u7ed3\u679c\u96c6\u4ee5\u83b7\u53d6\u6570\u7ec4\u5143\u7d20\nwhile (elements.next()) {\n    Object element = elements.getObject(1);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u793a\u4f8b\u6f14\u793a\u5982\u4f55\u4ece\u6570\u636e\u5e93\u4e2d\u83b7\u53d6\u6570\u7ec4\u5e76\u8bbf\u95ee\u5176\u5143\u7d20\uff1a<\/p>\n<pre>import java.sql.*;\n\npublic class GetArrayExample {\n\n    public static void main(String[] args) {\n        try {\n            \/\/ \u8fde\u63a5\u5230\u6570\u636e\u5e93\n            Connection connection = DriverManager.getConnection(\"jdbc:...\");\n\n            \/\/ \u521b\u5efa Statement \u5bf9\u8c61\n            Statement stmt = connection.createStatement();\n\n            \/\/ \u6267\u884c\u67e5\u8be2\u4ee5\u68c0\u7d22\u5305\u542b\u6570\u7ec4\u7684\u5217\n            ResultSet rs = stmt.executeQuery(\"SELECT array_column FROM table_name\");\n\n            \/\/ \u83b7\u53d6\u7ed3\u679c\u96c6\u4e2d\u5305\u542b\u6570\u7ec4\u7684\u5217\n            while (rs.next()) {\n                \/\/ \u83b7\u53d6\u6570\u7ec4\n                Array array = rs.getArray(\"array_column\");\n\n                \/\/ \u83b7\u53d6\u6570\u7ec4\u5143\u7d20\n                ResultSet elements = array.getResultSet();\n\n                \/\/ \u904d\u5386\u7ed3\u679c\u96c6\u4ee5\u83b7\u53d6\u6570\u7ec4\u5143\u7d20\n                while (elements.next()) {\n                    Object element = elements.getObject(1);\n                    System.out.println(element);\n                }\n            }\n\n            \/\/ \u5173\u95ed\u8d44\u6e90\n            rs.close();\n            stmt.close();\n            connection.close();\n        } catch (SQLException e) {\n            e.printStackTrace();\n        }\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u83b7\u53d6\u6570\u636e\u5e93\u7684\u6570\u7ec4\u4e2d\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>java \u4e2d\u53ef\u4ee5\u4f7f\u7528 getarray() \u65b9\u6cd5\u83b7\u53d6\u6570\u636e\u5e93\u6570\u7ec4\uff0c\u8be5\u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a array \u5bf9\u8c61\u4ee3\u8868\u6570\u636e\u5e93\u4e2d\u7684\u6570\u7ec4\u3002\u7136\u540e\u53ef\u4ee5\u4f7f\u7528\u8be5 array \u5bf9\u8c61\u7684 getresultset() \u65b9\u6cd5\u83b7\u53d6\u4e00\u4e2a resultset \u5bf9\u8c61\uff0c\u8be5\u5bf9\u8c61\u5305\u542b\u6570\u7ec4\u5143\u7d20\u3002 \u5982\u4f55\u83b7\u53d6\u6570\u636e\u5e93\u6570\u7ec4\u4e2d\u7684 Java Java \u4e2d\u83b7\u53d6\u6570\u636e\u5e93\u6570\u7ec4\u53ef\u4ee5\u4f7f\u7528 getArray() \u65b9\u6cd5\u3002\u5b83\u8fd4\u56de\u4e00\u4e2a Array \u5bf9\u8c61\uff0c\u4ee3\u8868\u6570\u636e\u5e93\u4e2d\u7684\u6570\u7ec4\u3002 \u83b7\u53d6 Array \u5bf9\u8c61 \/\/ Statement \u5bf9\u8c61 Statement stmt = connection.createStatement(); \/\/ \u6267\u884c\u67e5\u8be2\u4ee5\u68c0\u7d22\u5305\u542b\u6570\u7ec4\u7684\u5217 ResultSet rs = stmt.executeQuery(&#8220;SELECT array_column FROM table_name&#8221;); \/\/ \u83b7\u53d6\u7ed3\u679c\u96c6\u4e2d\u5305\u542b\u6570\u7ec4\u7684\u5217 while (rs.next()) { Array array = rs.getArray(&#8220;array_column&#8221;); } \u767b\u5f55\u540e\u590d\u5236 \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u83b7\u53d6 Array \u5bf9\u8c61\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-64579","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64579","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=64579"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64579\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64579"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64579"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64579"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}