{"id":62169,"date":"2024-10-13T16:45:16","date_gmt":"2024-10-13T08:45:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/62169\/"},"modified":"2024-10-13T16:45:16","modified_gmt":"2024-10-13T08:45:16","slug":"jsp%e9%80%a3%e6%8e%a5db2%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e6%98%93%e5%87%ba%e7%8f%be%e7%9a%84%e4%b8%80%e4%ba%9b%e5%95%8f%e9%a1%8c%e7%9a%84%e7%a0%b4%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/62169\/","title":{"rendered":"JSP\u9023\u63a5DB2\u6578\u64da\u5eab\u4e2d\u6613\u51fa\u73fe\u7684\u4e00\u4e9b\u554f\u984c\u7684\u7834\u89e3"},"content":{"rendered":"

JSP\u9023\u63a5DB2\u6578\u64da\u5eab\u4e2d\u6613\u51fa\u73fe\u7684\u4e00\u4e9b\u554f\u984c\u7684\u7834\u89e3<\/h1>\n

\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u958b\u767c\u4e2d\uff0cJavaServer Pages\uff08JSP\uff09\u662f\u4e00\u7a2e\u5ee3\u6cdb\u4f7f\u7528\u7684\u6280\u8853\uff0c\u7279\u5225\u662f\u5728\u4f01\u696d\u7d1a\u61c9\u7528\u4e2d\u3002\u7576JSP\u61c9\u7528\u9700\u8981\u9023\u63a5DB2\u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u554f\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e00\u4e9b\u5e38\u898b\u7684\u554f\u984c\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u9806\u5229\u5730\u9032\u884c\u6578\u64da\u5eab\u9023\u63a5\u3002<\/p>\n

1. \u9a45\u52d5\u7a0b\u5e8f\u554f\u984c<\/h2>\n

\u5728\u4f7f\u7528JSP\u9023\u63a5DB2\u6578\u64da\u5eab\u6642\uff0c\u9996\u5148\u9700\u8981\u78ba\u4fdd\u6b63\u78ba\u7684JDBC\u9a45\u52d5\u7a0b\u5e8f\u5df2\u7d93\u5b89\u88dd\u4e26\u914d\u7f6e\u3002DB2\u7684JDBC\u9a45\u52d5\u7a0b\u5e8f\u901a\u5e38\u662fdb2jcc.jar\u548cdb2jcc_license_cu.jar\u3002\u82e5\u9a45\u52d5\u7a0b\u5e8f\u672a\u6b63\u78ba\u914d\u7f6e\uff0c\u5c07\u6703\u5c0e\u81f4\u9023\u63a5\u5931\u6557\u3002<\/p>\n

Class.forName(\"com.ibm.db2.jcc.DB2Driver\");\nConnection conn = DriverManager.getConnection(\"jdbc:db2:\/\/hostname:port\/dbname\", \"username\", \"password\");\n<\/code><\/pre>\n
\u78ba\u4fdd\u5728WEB-INF\/lib\u76ee\u9304\u4e2d\u5305\u542b\u9019\u4e9bJAR\u6587\u4ef6\uff0c\u4e26\u5728web.xml\u4e2d\u6b63\u78ba\u914d\u7f6e\u6578\u64da\u6e90\u3002<\/p>\n
2. \u9023\u63a5\u5b57\u7b26\u4e32\u914d\u7f6e\u932f\u8aa4<\/h2>\n
\u9023\u63a5\u5b57\u7b26\u4e32\u7684\u683c\u5f0f\u5fc5\u9808\u6b63\u78ba\uff0c\u5426\u5247\u5c07\u7121\u6cd5\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u6b63\u78ba\u7684\u9023\u63a5\u5b57\u7b26\u4e32\u7bc4\u4f8b\uff1a<\/p>\n
jdbc:db2:\/\/localhost:50000\/sampledb\n<\/code><\/pre>\n
\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0clocalhost\u662f\u6578\u64da\u5eab\u4e3b\u6a5f\u540d\uff0c50000\u662f\u7aef\u53e3\u865f\uff0csampledb\u662f\u6578\u64da\u5eab\u540d\u7a31\u3002\u958b\u767c\u8005\u9700\u8981\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u8abf\u6574\u9019\u4e9b\u53c3\u6578\u3002<\/p>\n
3. \u9a57\u8b49\u5931\u6557<\/h2>\n
\u5982\u679c\u7528\u6236\u540d\u6216\u5bc6\u78bc\u4e0d\u6b63\u78ba\uff0c\u5c07\u6703\u5c0e\u81f4\u9a57\u8b49\u5931\u6557\u3002\u958b\u767c\u8005\u61c9\u8a72\u6aa2\u67e5\u7528\u6236\u540d\u548c\u5bc6\u78bc\u662f\u5426\u6b63\u78ba\uff0c\u4e26\u78ba\u4fdd\u8a72\u7528\u6236\u5177\u6709\u8a2a\u554f\u6578\u64da\u5eab\u7684\u6b0a\u9650\u3002<\/p>\n
String username = \"yourUsername\";\nString password = \"yourPassword\";\n<\/code><\/pre>\n
\u6b64\u5916\uff0cDB2\u6578\u64da\u5eab\u7684\u7528\u6236\u540d\u548c\u5bc6\u78bc\u662f\u5340\u5206\u5927\u5c0f\u5beb\u7684\uff0c\u958b\u767c\u8005\u9700\u8981\u7279\u5225\u6ce8\u610f\u3002<\/p>\n
4. \u6578\u64da\u5eab\u9023\u63a5\u6c60\u7684\u914d\u7f6e\u554f\u984c<\/h2>\n
\u5728\u9ad8\u4e26\u767c\u7684\u61c9\u7528\u4e2d\uff0c\u4f7f\u7528\u6578\u64da\u5eab\u9023\u63a5\u6c60\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u5982\u679c\u9023\u63a5\u6c60\u914d\u7f6e\u4e0d\u7576\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u554f\u984c\u6216\u9023\u63a5\u8017\u76e1\u3002\u5e38\u898b\u7684\u9023\u63a5\u6c60\u6709Apache DBCP\u548cC3P0\u7b49\u3002<\/p>\n
\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528C3P0\u7684\u914d\u7f6e\u7bc4\u4f8b\uff1a<\/p>\n
\n<context>\n    <resource name=\"jdbc\/mydb\" auth=\"Container\"\n              type=\"javax.sql.DataSource\"\n              maxActive=\"100\" maxIdle=\"30\" maxWait=\"10000\"\n              username=\"yourUsername\" password=\"yourPassword\"\n              driverClassName=\"com.ibm.db2.jcc.DB2Driver\"\n              url=\"jdbc:db2:\/\/localhost:50000\/sampledb\"\/>\n<\/context>\n<\/code><\/pre>\n
5. SQL\u8a9e\u6cd5\u932f\u8aa4<\/h2>\n
\u5728\u57f7\u884cSQL\u67e5\u8a62\u6642\uff0c\u8a9e\u6cd5\u932f\u8aa4\u662f\u5e38\u898b\u7684\u554f\u984c\u3002\u958b\u767c\u8005\u61c9\u8a72\u4ed4\u7d30\u6aa2\u67e5SQL\u8a9e\u53e5\u7684\u6b63\u78ba\u6027\uff0c\u4e26\u78ba\u4fdd\u4f7f\u7528\u7684\u8868\u540d\u548c\u5217\u540d\u6b63\u78ba\u7121\u8aa4\u3002<\/p>\n
String sql = \"SELECT * FROM users WHERE id = ?\";\nPreparedStatement pstmt = conn.prepareStatement(sql);\npstmt.setInt(1, userId);\nResultSet rs = pstmt.executeQuery();\n<\/code><\/pre>\n
6. \u6578\u64da\u5eab\u9023\u63a5\u8d85\u6642<\/h2>\n
\u5982\u679c\u6578\u64da\u5eab\u9023\u63a5\u8d85\u6642\uff0c\u53ef\u80fd\u662f\u7531\u65bc\u7db2\u7d61\u554f\u984c\u6216\u6578\u64da\u5eab\u670d\u52d9\u5668\u904e\u8f09\u3002\u958b\u767c\u8005\u53ef\u4ee5\u901a\u904e\u8abf\u6574\u9023\u63a5\u8d85\u6642\u8a2d\u7f6e\u4f86\u89e3\u6c7a\u6b64\u554f\u984c\u3002<\/p>\n
DriverManager.setLoginTimeout(30); \/\/ \u8a2d\u7f6e\u8d85\u6642\u70ba30\u79d2\n<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u5728\u4f7f\u7528JSP\u9023\u63a5DB2\u6578\u64da\u5eab\u7684\u904e\u7a0b\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u591a\u7a2e\u554f\u984c\uff0c\u5305\u62ec\u9a45\u52d5\u7a0b\u5e8f\u914d\u7f6e\u3001\u9023\u63a5\u5b57\u7b26\u4e32\u932f\u8aa4\u3001\u9a57\u8b49\u5931\u6557\u7b49\u3002\u901a\u904e\u4ed4\u7d30\u6aa2\u67e5\u914d\u7f6e\u548c\u4ee3\u78bc\uff0c\u9019\u4e9b\u554f\u984c\u901a\u5e38\u53ef\u4ee5\u5f97\u5230\u89e3\u6c7a\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u670d\u52d9\u7684\u958b\u767c\u8005\uff0c\u9078\u64c7\u5408\u9069\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u5c07\u662f\u660e\u667a\u4e4b\u8209\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u61c9\u7528\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22JSP\u9023\u63a5DB2\u6578\u64da\u5eab\u6642\u5e38\u898b\u554f\u984c\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff0c\u52a9\u60a8\u8f15\u9b06\u6392\u9664\u6545\u969c\uff0c\u63d0\u5347\u958b\u767c\u6548\u7387\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-62169","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62169","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=62169"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62169\/revisions"}],"predecessor-version":[{"id":62170,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62169\/revisions\/62170"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=62169"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=62169"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=62169"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}