{"id":62025,"date":"2024-10-13T15:35:18","date_gmt":"2024-10-13T07:35:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/62025\/"},"modified":"2024-10-13T15:35:18","modified_gmt":"2024-10-13T07:35:18","slug":"java%e5%af%a6%e7%8f%be%e9%ab%98%e6%95%88%e5%a4%9a%e8%a1%8c%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%aa%e9%99%a4%e6%93%8d%e4%bd%9c-java%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%aa%e9%99%a4%e5%a4%9a%e8%a1%8c%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/62025\/","title":{"rendered":"Java\u5be6\u73fe\u9ad8\u6548\u591a\u884c\u6578\u64da\u5eab\u522a\u9664\u64cd\u4f5c (java\u6578\u64da\u5eab\u522a\u9664\u591a\u884c\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"java%e5%af%a6%e7%8f%be%e9%ab%98%e6%95%88%e5%a4%9a%e8%a1%8c%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%aa%e9%99%a4%e6%93%8d%e4%bd%9c-ESknYsVnPj\">Java\u5be6\u73fe\u9ad8\u6548\u591a\u884c\u6578\u64da\u5eab\u522a\u9664\u64cd\u4f5c<\/h1>\n<p>\u5728\u73fe\u4ee3\u61c9\u7528\u7a0b\u5e8f\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\uff0c\u5982\u4f55\u9ad8\u6548\u5730\u522a\u9664\u591a\u884c\u6578\u64da\u6210\u70ba\u4e86\u958b\u767c\u8005\u9700\u8981\u9762\u5c0d\u7684\u4e00\u500b\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Java\u4f86\u5be6\u73fe\u9ad8\u6548\u7684\u591a\u884c\u6578\u64da\u5eab\u522a\u9664\u64cd\u4f5c\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e9%ab%98%e6%95%88%e7%9a%84%e5%88%aa%e9%99%a4%e6%93%8d%e4%bd%9c-ESknYsVnPj\">\u70ba\u4ec0\u9ebc\u9700\u8981\u9ad8\u6548\u7684\u522a\u9664\u64cd\u4f5c<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u522a\u9664\u64cd\u4f5c\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\uff0c\u7279\u5225\u662f\u7576\u9700\u8981\u522a\u9664\u7684\u6578\u64da\u91cf\u5f88\u5927\u6642\u3002\u50b3\u7d71\u7684\u9010\u884c\u522a\u9664\u65b9\u6cd5\u4e0d\u50c5\u8017\u6642\uff0c\u9084\u53ef\u80fd\u5c0e\u81f4\u9396\u5b9a\u554f\u984c\uff0c\u5f71\u97ff\u5176\u4ed6\u64cd\u4f5c\u7684\u57f7\u884c\u3002\u56e0\u6b64\uff0c\u9078\u64c7\u5408\u9069\u7684\u522a\u9664\u7b56\u7565\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%e7%9a%84%e5%84%aa%e5%8b%a2-ESknYsVnPj\">\u4f7f\u7528\u6279\u91cf\u522a\u9664\u7684\u512a\u52e2<\/h2>\n<p>\u6279\u91cf\u522a\u9664\u662f\u4e00\u7a2e\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u522a\u9664\u64cd\u4f5c\u7684\u6027\u80fd\u3002\u901a\u904e\u4e00\u6b21\u6027\u522a\u9664\u591a\u884c\u6578\u64da\uff0c\u53ef\u4ee5\u6e1b\u5c11\u8207\u6578\u64da\u5eab\u7684\u4ea4\u4e92\u6b21\u6578\uff0c\u5f9e\u800c\u964d\u4f4e\u5ef6\u9072\u548c\u8cc7\u6e90\u6d88\u8017\u3002<\/p>\n<h3 id=\"java%e4%b8%ad%e5%af%a6%e7%8f%be%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%e7%9a%84%e6%ad%a5%e9%a9%9f-ESknYsVnPj\">Java\u4e2d\u5be6\u73fe\u6279\u91cf\u522a\u9664\u7684\u6b65\u9a5f<\/h3>\n<ol>\n<li><strong>\u5efa\u7acb\u6578\u64da\u5eab\u9023\u63a5\uff1a<\/strong>\u4f7f\u7528JDBC\u4f86\u9023\u63a5\u6578\u64da\u5eab\u3002<\/li>\n<li><strong>\u6e96\u5099\u522a\u9664\u8a9e\u53e5\uff1a<\/strong>\u4f7f\u7528\u9810\u8655\u7406\u8a9e\u53e5\u4f86\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li><strong>\u57f7\u884c\u6279\u91cf\u522a\u9664\uff1a<\/strong>\u5c07\u591a\u500b\u522a\u9664\u64cd\u4f5c\u6dfb\u52a0\u5230\u6279\u6b21\u4e2d\uff0c\u7136\u5f8c\u4e00\u6b21\u6027\u57f7\u884c\u3002<\/li>\n<li><strong>\u8655\u7406\u7d50\u679c\uff1a<\/strong>\u6aa2\u67e5\u522a\u9664\u64cd\u4f5c\u7684\u7d50\u679c\uff0c\u4e26\u9032\u884c\u5fc5\u8981\u7684\u932f\u8aa4\u8655\u7406\u3002<\/li>\n<\/ol>\n<h3 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-ESknYsVnPj\">\u793a\u4f8b\u4ee3\u78bc<\/h3>\n<pre><code>\nimport java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.PreparedStatement;\nimport java.sql.SQLException;\n\npublic class BatchDeleteExample {\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        Connection connection = null;\n        PreparedStatement preparedStatement = null;\n\n        try {\n            connection = DriverManager.getConnection(url, user, password);\n            connection.setAutoCommit(false); \/\/ \u95dc\u9589\u81ea\u52d5\u63d0\u4ea4\n\n            String sql = \"DELETE FROM your_table WHERE id = ?\";\n            preparedStatement = connection.prepareStatement(sql);\n\n            \/\/ \u5047\u8a2d\u8981\u522a\u9664\u7684ID\u5217\u8868\n            int[] idsToDelete = {1, 2, 3, 4, 5};\n\n            for (int id : idsToDelete) {\n                preparedStatement.setInt(1, id);\n                preparedStatement.addBatch(); \/\/ \u6dfb\u52a0\u5230\u6279\u6b21\n            }\n\n            int[] results = preparedStatement.executeBatch(); \/\/ \u57f7\u884c\u6279\u6b21\n            connection.commit(); \/\/ \u63d0\u4ea4\u4e8b\u52d9\n\n            System.out.println(\"\u6210\u529f\u522a\u9664\u7684\u884c\u6578: \" + results.length);\n        } catch (SQLException e) {\n            e.printStackTrace();\n            if (connection != null) {\n                try {\n                    connection.rollback(); \/\/ \u56de\u6efe\u4e8b\u52d9\n                } catch (SQLException rollbackEx) {\n                    rollbackEx.printStackTrace();\n                }\n            }\n        } finally {\n            try {\n                if (preparedStatement != null) preparedStatement.close();\n                if (connection != null) connection.close();\n            } catch (SQLException closeEx) {\n                closeEx.printStackTrace();\n            }\n        }\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-ESknYsVnPj\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<ul>\n<li><strong>\u4f7f\u7528\u9810\u8655\u7406\u8a9e\u53e5\uff1a<\/strong>\u9019\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6027\u80fd\uff0c\u9084\u80fd\u9632\u6b62SQL\u6ce8\u5165\u653b\u64ca\u3002<\/li>\n<li><strong>\u63a7\u5236\u4e8b\u52d9\uff1a<\/strong>\u5728\u6279\u91cf\u64cd\u4f5c\u4e2d\uff0c\u4f7f\u7528\u4e8b\u52d9\u4f86\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<li><strong>\u9069\u7576\u7684\u932f\u8aa4\u8655\u7406\uff1a<\/strong>\u78ba\u4fdd\u5728\u51fa\u73fe\u932f\u8aa4\u6642\u80fd\u5920\u6b63\u78ba\u56de\u6efe\u4e8b\u52d9\u3002<\/li>\n<li><strong>\u6e2c\u8a66\u6027\u80fd\uff1a<\/strong>\u5728\u751f\u7522\u74b0\u5883\u4e2d\u9032\u884c\u6027\u80fd\u6e2c\u8a66\uff0c\u4ee5\u78ba\u4fdd\u522a\u9664\u64cd\u4f5c\u4e0d\u6703\u5f71\u97ff\u7cfb\u7d71\u7684\u6574\u9ad4\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ESknYsVnPj\">\u7e3d\u7d50<\/h2>\n<p>\u5728Java\u4e2d\u5be6\u73fe\u9ad8\u6548\u7684\u591a\u884c\u6578\u64da\u5eab\u522a\u9664\u64cd\u4f5c\uff0c\u53ef\u4ee5\u901a\u904e\u6279\u91cf\u522a\u9664\u4f86\u986f\u8457\u63d0\u9ad8\u6027\u80fd\u3002\u4f7f\u7528\u9810\u8655\u7406\u8a9e\u53e5\u548c\u4e8b\u52d9\u63a7\u5236\u662f\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u548c\u5b89\u5168\u6027\u7684\u95dc\u9375\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Java\u4e2d\u9ad8\u6548\u5be6\u73fe\u591a\u884c\u6578\u64da\u5eab\u522a\u9664\u64cd\u4f5c\u7684\u65b9\u6cd5\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6027\u80fd\uff0c\u7c21\u5316\u6578\u64da\u7ba1\u7406\u6d41\u7a0b\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-62025","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62025","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=62025"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62025\/revisions"}],"predecessor-version":[{"id":62026,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62025\/revisions\/62026"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=62025"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=62025"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=62025"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}