{"id":61825,"date":"2024-10-13T14:01:23","date_gmt":"2024-10-13T06:01:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/61825\/"},"modified":"2024-10-13T14:01:24","modified_gmt":"2024-10-13T06:01:24","slug":"j2ee%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b7%a8%e7%a2%bc%ef%bc%8c%e6%8f%90%e9%ab%98%e6%87%89%e7%94%a8%e6%80%a7%e8%83%bd%e8%88%87%e6%95%b8%e6%93%9a%e5%ae%89%e5%85%a8%ef%bc%81-j2ee%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/61825\/","title":{"rendered":"J2EE\u6578\u64da\u5eab\u7de8\u78bc\uff0c\u63d0\u9ad8\u61c9\u7528\u6027\u80fd\u8207\u6578\u64da\u5b89\u5168\uff01 (j2ee\u6578\u64da\u5eab\u7de8\u78bc)"},"content":{"rendered":"

J2EE\u6578\u64da\u5eab\u7de8\u78bc\uff0c\u63d0\u9ad8\u61c9\u7528\u6027\u80fd\u8207\u6578\u64da\u5b89\u5168\uff01<\/h1>\n

\u5728\u7576\u4eca\u7684\u8edf\u4ef6\u958b\u767c\u4e2d\uff0cJava 2 Platform, Enterprise Edition\uff08J2EE\uff09\u5df2\u6210\u70ba\u4f01\u696d\u7d1a\u61c9\u7528\u7a0b\u5e8f\u958b\u767c\u7684\u4e3b\u6d41\u6280\u8853\u4e4b\u4e00\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\u548c\u61c9\u7528\u9700\u6c42\u7684\u591a\u6a23\u5316\uff0c\u5982\u4f55\u6709\u6548\u5730\u9032\u884c\u6578\u64da\u5eab\u7de8\u78bc\u4ee5\u63d0\u9ad8\u61c9\u7528\u6027\u80fd\u548c\u6578\u64da\u5b89\u5168\u6027\uff0c\u6210\u70ba\u958b\u767c\u8005\u5fc5\u9808\u9762\u5c0d\u7684\u91cd\u8981\u8ab2\u984c\u3002<\/p>\n

\u6578\u64da\u5eab\u7de8\u78bc\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n

\u6578\u64da\u5eab\u7de8\u78bc\u662f\u6307\u5728\u61c9\u7528\u7a0b\u5e8f\u4e2d\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u7684\u904e\u7a0b\uff0c\u5305\u62ec\u6578\u64da\u7684\u8b80\u53d6\u3001\u5beb\u5165\u3001\u66f4\u65b0\u548c\u522a\u9664\u7b49\u64cd\u4f5c\u3002\u5728J2EE\u74b0\u5883\u4e2d\uff0c\u901a\u5e38\u4f7f\u7528Java Database Connectivity\uff08JDBC\uff09\u4f86\u5be6\u73fe\u9019\u4e9b\u64cd\u4f5c\u3002JDBC\u63d0\u4f9b\u4e86\u4e00\u7d44API\uff0c\u4f7f\u5f97Java\u61c9\u7528\u7a0b\u5e8f\u80fd\u5920\u8207\u5404\u7a2e\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002<\/p>\n

\u63d0\u9ad8\u61c9\u7528\u6027\u80fd\u7684\u7b56\u7565<\/h2>\n

1. \u4f7f\u7528\u9023\u63a5\u6c60<\/h3>\n

\u5728J2EE\u61c9\u7528\u4e2d\uff0c\u983b\u7e41\u5730\u5275\u5efa\u548c\u92b7\u6bc0\u6578\u64da\u5eab\u9023\u63a5\u6703\u5c0e\u81f4\u6027\u80fd\u74f6\u9838\u3002\u4f7f\u7528\u9023\u63a5\u6c60\u6280\u8853\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\uff0c\u6e1b\u5c11\u9023\u63a5\u7684\u958b\u92b7\u3002\u9023\u63a5\u6c60\u6703\u9810\u5148\u5275\u5efa\u4e00\u5b9a\u6578\u91cf\u7684\u9023\u63a5\uff0c\u4e26\u5728\u9700\u8981\u6642\u91cd\u7528\u9019\u4e9b\u9023\u63a5\u3002<\/p>\n

\nimport javax.sql.DataSource;\nimport javax.naming.InitialContext;\nimport javax.naming.NamingException;\n\nDataSource ds = (DataSource) new InitialContext().lookup(\"java:comp\/env\/jdbc\/MyDataSource\");\nConnection conn = ds.getConnection();\n<\/code><\/pre>\n
2. \u6279\u91cf\u8655\u7406<\/h3>\n
\u5c0d\u65bc\u9700\u8981\u63d2\u5165\u6216\u66f4\u65b0\u5927\u91cf\u6578\u64da\u7684\u64cd\u4f5c\uff0c\u4f7f\u7528\u6279\u91cf\u8655\u7406\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6027\u80fd\u3002JDBC\u652f\u6301\u6279\u91cf\u64cd\u4f5c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5c07\u591a\u500bSQL\u8a9e\u53e5\u653e\u5165\u4e00\u500b\u6279\u6b21\u4e2d\u57f7\u884c\uff0c\u5f9e\u800c\u6e1b\u5c11\u8207\u6578\u64da\u5eab\u7684\u4ea4\u4e92\u6b21\u6578\u3002<\/p>\n
\nStatement stmt = conn.createStatement();\nfor (int i = 0; i < 1000; i++) {\n    stmt.addBatch(\"INSERT INTO my_table (column1) VALUES ('value\" + i + \"')\");\n}\nstmt.executeBatch();\n<\/code><\/pre>\n
3. \u4f7f\u7528\u7d22\u5f15<\/h3>\n
\u70ba\u6578\u64da\u5eab\u8868\u4e2d\u7684\u5217\u5275\u5efa\u7d22\u5f15\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u7d22\u5f15\u53ef\u4ee5\u52a0\u901f\u6578\u64da\u6aa2\u7d22\uff0c\u4f46\u4e5f\u6703\u589e\u52a0\u6578\u64da\u5beb\u5165\u7684\u958b\u92b7\uff0c\u56e0\u6b64\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u6642\u9700\u8981\u8b39\u614e\u8003\u616e\u3002<\/p>\n
\u589e\u5f37\u6578\u64da\u5b89\u5168\u6027\u7684\u63aa\u65bd<\/h2>\n
1. \u4f7f\u7528\u9810\u8655\u7406\u8a9e\u53e5<\/h3>\n
\u9810\u8655\u7406\u8a9e\u53e5\u4e0d\u50c5\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\uff0c\u9084\u80fd\u6709\u6548\u9632\u6b62SQL\u6ce8\u5165\u653b\u64ca\u3002\u901a\u904e\u4f7f\u7528\u9810\u8655\u7406\u8a9e\u53e5\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5c07SQL\u8a9e\u53e5\u8207\u6578\u64da\u5206\u958b\uff0c\u5f9e\u800c\u964d\u4f4e\u5b89\u5168\u98a8\u96aa\u3002<\/p>\n
\nPreparedStatement pstmt = conn.prepareStatement(\"SELECT * FROM users WHERE username = ?\");\npstmt.setString(1, username);\nResultSet rs = pstmt.executeQuery();\n<\/code><\/pre>\n
2. \u6578\u64da\u52a0\u5bc6<\/h3>\n
\u5728\u50b3\u8f38\u548c\u5b58\u5132\u654f\u611f\u6578\u64da\u6642\uff0c\u61c9\u8003\u616e\u4f7f\u7528\u52a0\u5bc6\u6280\u8853\u3002J2EE\u63d0\u4f9b\u4e86\u591a\u7a2e\u52a0\u5bc6\u7b97\u6cd5\uff0c\u53ef\u4ee5\u7528\u65bc\u4fdd\u8b77\u6578\u64da\u7684\u5b89\u5168\u6027\u3002<\/p>\n
3. \u8a2a\u554f\u63a7\u5236<\/h3>\n
\u78ba\u4fdd\u53ea\u6709\u6388\u6b0a\u7528\u6236\u80fd\u5920\u8a2a\u554f\u6578\u64da\u5eab\u662f\u4fdd\u8b77\u6578\u64da\u5b89\u5168\u7684\u91cd\u8981\u63aa\u65bd\u3002\u53ef\u4ee5\u901a\u904e\u8a2d\u7f6e\u7528\u6236\u6b0a\u9650\u548c\u89d2\u8272\u4f86\u5be6\u73fe\u7d30\u7c92\u5ea6\u7684\u8a2a\u554f\u63a7\u5236\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
\u5728J2EE\u61c9\u7528\u7a0b\u5e8f\u4e2d\uff0c\u6578\u64da\u5eab\u7de8\u78bc\u7684\u512a\u5316\u4e0d\u50c5\u80fd\u63d0\u9ad8\u61c9\u7528\u6027\u80fd\uff0c\u9084\u80fd\u589e\u5f37\u6578\u64da\u5b89\u5168\u6027\u3002\u901a\u904e\u4f7f\u7528\u9023\u63a5\u6c60\u3001\u6279\u91cf\u8655\u7406\u3001\u7d22\u5f15\u3001\u9810\u8655\u7406\u8a9e\u53e5\u3001\u6578\u64da\u52a0\u5bc6\u548c\u8a2a\u554f\u63a7\u5236\u7b49\u6280\u8853\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u5f9e\u800c\u63d0\u5347\u6574\u9ad4\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u5b89\u5168\u6027\u3002<\/p>\n
\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bcVPS<\/code>\u3001\u9999\u6e2fVPS<\/code>\u3001\u670d\u52a1\u5668<\/code>\u3001\u4e91\u670d\u52a1\u5668<\/code>\u7b49\u76f8\u95dc\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22J2EE\u6578\u64da\u5eab\u7de8\u78bc\u6280\u8853\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\u8207\u6578\u64da\u5b89\u5168\uff0c\u78ba\u4fdd\u9ad8\u6548\u7a69\u5b9a\u7684\u6578\u64da\u8655\u7406\u8207\u7ba1\u7406\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-61825","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61825","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=61825"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61825\/revisions"}],"predecessor-version":[{"id":61826,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61825\/revisions\/61826"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=61825"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=61825"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=61825"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}