{"id":64654,"date":"2025-05-03T12:38:12","date_gmt":"2025-05-03T04:38:12","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64654\/"},"modified":"2025-05-03T12:38:12","modified_gmt":"2025-05-03T04:38:12","slug":"%e6%80%8e%e4%b9%88%e6%8a%8a%e6%95%b0%e7%bb%84%e5%ad%98%e5%88%b0%e6%95%b0%e6%8d%ae%e5%ba%93%e4%b8%adjava-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64654\/","title":{"rendered":"\u600e\u4e48\u628a\u6570\u7ec4\u5b58\u5230\u6570\u636e\u5e93\u4e2djava"},"content":{"rendered":"

\n \u5728 java \u4e2d\u5c06\u6570\u7ec4\u5b58\u50a8\u5230\u6570\u636e\u5e93\u7684\u6b65\u9aa4\u4e3a\uff1a\u521b\u5efa sql \u6570\u7ec4\u7c7b\u578b\uff0c\u4f8b\u5982\uff1acreate type my_array as array[integer]\u3002\u4f7f\u7528 jdbc \u5c06 java \u6570\u7ec4\u8f6c\u6362\u4e3a sql \u6570\u7ec4\uff0c\u4f8b\u5982\uff1aarray mysqlarray = connection.createarrayof(“my_array”, myjavaarray)\u3002\u4f7f\u7528 preparedstatement \u5c06 sql \u6570\u7ec4\u63d2\u5165\u6570\u636e\u5e93\u8868\uff0c\u4f8b\u5982\uff1astatement.setarray(1, mysqlarray);s\n<\/p><\/blockquote>\n

\"\u600e\u4e48\u628a\u6570\u7ec4\u5b58\u5230\u6570\u636e\u5e93\u4e2djava\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u5728 Java \u4e2d\u5c06\u6570\u7ec4\u5b58\u50a8\u5230\u6570\u636e\u5e93\u4e2d<\/strong><\/p>\n

\u7b80\u4ecb<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u5c06\u6570\u7ec4\u5b58\u50a8\u5230\u6570\u636e\u5e93\u4e2d\u9700\u8981\u4e00\u4e9b\u6b65\u9aa4\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528 JDBC \u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a SQL \u6570\u7ec4\u7c7b\u578b\u5e76\u5c06\u5176\u5b58\u50a8\u5230\u6570\u636e\u5e93\u8868\u4e2d\u3002<\/p>\n

\u6b65\u9aa4 1\uff1a\u521b\u5efa SQL \u6570\u7ec4\u7c7b\u578b<\/strong><\/p>\n

\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n

\u9996\u5148\uff0c\u9700\u8981\u5728\u6570\u636e\u5e93\u4e2d\u521b\u5efa\u4e00\u4e2a SQL \u6570\u7ec4\u7c7b\u578b\u6765\u5b58\u50a8\u6570\u7ec4\u6570\u636e\u3002\u4f8b\u5982\uff1a<\/p>\n

CREATE TYPE my_array AS ARRAY[INTEGER]<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6b64\u8bed\u53e5\u5c06\u521b\u5efa\u540d\u4e3a\u201cmy_array\u201d\u7684\u6570\u7ec4\u7c7b\u578b\uff0c\u8be5\u7c7b\u578b\u53ef\u4ee5\u5b58\u50a8\u6574\u6570\u6570\u7ec4\u3002<\/p>\n
\u6b65\u9aa4 2\uff1a\u8f6c\u6362 Java \u6570\u7ec4<\/strong><\/p>\n
\u63a5\u4e0b\u6765\uff0c\u9700\u8981\u4f7f\u7528 JDBC \u6765\u5c06 Java \u6570\u7ec4\u8f6c\u6362\u4e3a SQL \u6570\u7ec4\u3002\u53ef\u4ee5\u4f7f\u7528 java.sql.Array \u63a5\u53e3\u6765\u5b9e\u73b0\uff1a<\/p>\n
int[] myJavaArray = {1, 2, 3};\nArray mySqlArray = connection.createArrayOf(\"my_array\", myJavaArray);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8fd9\u5c06\u521b\u5efa\u5305\u542b Java \u6570\u7ec4\u5143\u7d20\u7684 SQL \u6570\u7ec4\u3002<\/p>\n
\u6b65\u9aa4 3\uff1a\u63d2\u5165 SQL \u6570\u7ec4<\/strong><\/p>\n
\u8f6c\u6362\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528 PreparedStatement \u6765\u5c06 SQL \u6570\u7ec4\u63d2\u5165\u6570\u636e\u5e93\u8868\u4e2d\uff1a<\/p>\n
String sql = \"INSERT INTO my_table (my_array_column) VALUES (?)\";\nPreparedStatement statement = connection.prepareStatement(sql);\nstatement.setArray(1, mySqlArray);\nstatement.executeUpdate();<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8fd9\u5c06\u4f7f\u7528 SQL \u6570\u7ec4\u503c\u66f4\u65b0\u201cmy_array_column\u201d\u5217\u3002<\/p>\n
\u6ce8\u610f\u4e8b\u9879<\/strong><\/p>\n
    \n
  • \u786e\u4fdd SQL \u6570\u7ec4\u7c7b\u578b\u4e0e Java \u6570\u7ec4\u7684\u6570\u636e\u7c7b\u578b\u517c\u5bb9\u3002<\/li>\n
  • SQL \u6570\u7ec4\u7684\u5927\u5c0f\u7531\u6570\u636e\u5e93\u9650\u5236\u3002<\/li>\n
  • JDBC \u63d0\u4f9b\u4e86\u5176\u4ed6\u65b9\u6cd5\u6765\u5904\u7406\u6570\u7ec4\uff0c\u4f8b\u5982 java.sql.ResultSet.getArray()\u3002<\/li>\n<\/ul>\n
    \u4ee5\u4e0a\u5c31\u662f\u600e\u4e48\u628a\u6570\u7ec4\u5b58\u5230\u6570\u636e\u5e93\u4e2djava\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u5728 java \u4e2d\u5c06\u6570\u7ec4\u5b58\u50a8\u5230\u6570\u636e\u5e93\u7684\u6b65\u9aa4\u4e3a\uff1a\u521b\u5efa sql \u6570\u7ec4\u7c7b\u578b\uff0c\u4f8b\u5982\uff1acreate type my_array as array[integer]\u3002\u4f7f\u7528 jdbc \u5c06 java \u6570\u7ec4\u8f6c\u6362\u4e3a sql \u6570\u7ec4\uff0c\u4f8b\u5982\uff1aarray mysqlarray = connection.createarrayof(“my_array”, myjavaarray)\u3002\u4f7f\u7528 preparedstatement \u5c06 sql \u6570\u7ec4\u63d2\u5165\u6570\u636e\u5e93\u8868\uff0c\u4f8b\u5982\uff1astatement.setarray(1, mysqlarray);s \u5982\u4f55\u5728 Java \u4e2d\u5c06\u6570\u7ec4\u5b58\u50a8\u5230\u6570\u636e\u5e93\u4e2d \u7b80\u4ecb \u5728 Java \u4e2d\uff0c\u5c06\u6570\u7ec4\u5b58\u50a8\u5230\u6570\u636e\u5e93\u4e2d\u9700\u8981\u4e00\u4e9b\u6b65\u9aa4\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528 JDBC \u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a SQL \u6570\u7ec4\u7c7b\u578b\u5e76\u5c06\u5176\u5b58\u50a8\u5230\u6570\u636e\u5e93\u8868\u4e2d\u3002 \u6b65\u9aa4 1\uff1a\u521b\u5efa SQL \u6570\u7ec4\u7c7b\u578b \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u9996\u5148\uff0c\u9700\u8981\u5728\u6570\u636e\u5e93\u4e2d\u521b\u5efa\u4e00\u4e2a SQL \u6570\u7ec4\u7c7b\u578b\u6765\u5b58\u50a8\u6570\u7ec4\u6570\u636e\u3002\u4f8b\u5982\uff1a CREATE TYPE my_array AS ARRAY[INTEGER] \u767b\u5f55\u540e\u590d\u5236 \u6b64\u8bed\u53e5\u5c06\u521b\u5efa\u540d\u4e3a\u201cmy_array\u201d\u7684\u6570\u7ec4\u7c7b\u578b\uff0c\u8be5\u7c7b\u578b\u53ef\u4ee5\u5b58\u50a8\u6574\u6570\u6570\u7ec4\u3002 \u6b65\u9aa4 2\uff1a\u8f6c\u6362 Java \u6570\u7ec4 \u63a5\u4e0b\u6765\uff0c\u9700\u8981\u4f7f\u7528 […]<\/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-64654","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64654","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=64654"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64654\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64654"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64654"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64654"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}