{"id":168749,"date":"2024-11-06T15:50:31","date_gmt":"2024-11-06T07:50:31","guid":{"rendered":"https:\/\/server.hk\/cnblog\/168749\/"},"modified":"2024-11-06T15:50:32","modified_gmt":"2024-11-06T07:50:32","slug":"tomcat-%e4%b8%8b%e9%85%8d%e7%bd%ae-mysql-%e7%9a%84%e9%80%a3%e6%8e%a5%e6%b1%a0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/168749\/","title":{"rendered":"Tomcat \u4e0b\u914d\u7f6e Mysql \u7684\u9023\u63a5\u6c60"},"content":{"rendered":"

Tomcat \u4e0b\u914d\u7f6e MySQL \u7684\u9023\u63a5\u6c60<\/h1>\n

\u5728\u73fe\u4ee3\u7684 web \u61c9\u7528\u7a0b\u5f0f\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u5c0d\u65bc\u6574\u9ad4\u7cfb\u7d71\u7684\u8868\u73fe\u81f3\u95dc\u91cd\u8981\u3002Apache Tomcat \u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684 Java Servlet \u5bb9\u5668\uff0c\u7d93\u5e38\u88ab\u7528\u4f86\u90e8\u7f72 Java \u61c9\u7528\u7a0b\u5f0f\u3002\u70ba\u4e86\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u8a2a\u554f\u6548\u7387\uff0c\u4f7f\u7528\u9023\u63a5\u6c60\u662f\u4e00\u500b\u5e38\u898b\u7684\u505a\u6cd5\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728 Tomcat \u4e2d\u914d\u7f6e MySQL \u7684\u9023\u63a5\u6c60\u3002<\/p>\n

\u4ec0\u9ebc\u662f\u9023\u63a5\u6c60\uff1f<\/h2>\n

\u9023\u63a5\u6c60\u662f\u4e00\u7a2e\u7528\u65bc\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\u7684\u6280\u8853\u3002\u5b83\u901a\u904e\u91cd\u7528\u5df2\u5efa\u7acb\u7684\u6578\u64da\u5eab\u9023\u63a5\u4f86\u6e1b\u5c11\u9023\u63a5\u7684\u958b\u92b7\uff0c\u5f9e\u800c\u63d0\u9ad8\u61c9\u7528\u7a0b\u5f0f\u7684\u6027\u80fd\u3002\u7576\u61c9\u7528\u7a0b\u5f0f\u9700\u8981\u8a2a\u554f\u6578\u64da\u5eab\u6642\uff0c\u5b83\u53ef\u4ee5\u5f9e\u9023\u63a5\u6c60\u4e2d\u7372\u53d6\u4e00\u500b\u53ef\u7528\u7684\u9023\u63a5\uff0c\u800c\u4e0d\u662f\u6bcf\u6b21\u90fd\u5275\u5efa\u65b0\u7684\u9023\u63a5\u3002<\/p>\n

\u70ba\u4ec0\u9ebc\u9078\u64c7 MySQL\uff1f<\/h2>\n

MySQL \u662f\u4e00\u500b\u958b\u6e90\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u56e0\u5176\u9ad8\u6548\u3001\u7a69\u5b9a\u548c\u6613\u65bc\u4f7f\u7528\u800c\u53d7\u5230\u5ee3\u6cdb\u6b61\u8fce\u3002\u5b83\u652f\u6301\u591a\u7a2e\u64cd\u4f5c\u7cfb\u7d71\uff0c\u4e26\u4e14\u64c1\u6709\u5f37\u5927\u7684\u793e\u5340\u652f\u6301\uff0c\u9019\u4f7f\u5f97\u5b83\u6210\u70ba\u8a31\u591a web \u61c9\u7528\u7a0b\u5f0f\u7684\u9996\u9078\u6578\u64da\u5eab\u3002<\/p>\n

\u5728 Tomcat \u4e2d\u914d\u7f6e MySQL \u9023\u63a5\u6c60\u7684\u6b65\u9a5f<\/h2>\n

\u6b65\u9a5f 1\uff1a\u4e0b\u8f09 MySQL Connector\/J<\/h3>\n

\u9996\u5148\uff0c\u60a8\u9700\u8981\u4e0b\u8f09 MySQL Connector\/J\uff0c\u9019\u662f\u4e00\u500b\u7528\u65bc Java \u61c9\u7528\u7a0b\u5f0f\u8207 MySQL \u6578\u64da\u5eab\u4e4b\u9593\u9032\u884c\u901a\u4fe1\u7684 JDBC \u9a45\u52d5\u7a0b\u5e8f\u3002\u60a8\u53ef\u4ee5\u5f9e MySQL \u7684\u5b98\u65b9\u7db2\u7ad9\u4e0b\u8f09\u6700\u65b0\u7248\u672c\u3002<\/p>\n

\u6b65\u9a5f 2\uff1a\u5c07\u9a45\u52d5\u7a0b\u5e8f\u653e\u5165 Tomcat \u7684 lib \u76ee\u9304<\/h3>\n

\u5c07\u4e0b\u8f09\u7684 MySQL Connector\/J JAR \u6587\u4ef6\u653e\u5165 Tomcat \u7684 lib<\/code> \u76ee\u9304\u4e2d\u3002\u9019\u6a23\uff0cTomcat \u5c31\u80fd\u5920\u627e\u5230\u4e26\u52a0\u8f09\u9019\u500b\u9a45\u52d5\u7a0b\u5e8f\u3002<\/p>\n

\u6b65\u9a5f 3\uff1a\u914d\u7f6e context.xml<\/h3>\n

\u63a5\u4e0b\u4f86\uff0c\u60a8\u9700\u8981\u5728 Tomcat \u7684 conf\/context.xml<\/code> \u6587\u4ef6\u4e2d\u914d\u7f6e\u6578\u64da\u6e90\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\u914d\u7f6e\uff1a<\/p>\n

<Context>\n    <Resource name=\"jdbc\/MyDB\"\n              auth=\"Container\"\n              type=\"javax.sql.DataSource\"\n              maxTotal=\"20\"\n              maxIdle=\"10\"\n              maxWaitMillis=\"-1\"\n              username=\"yourUsername\"\n              password=\"yourPassword\"\n              driverClassName=\"com.mysql.cj.jdbc.Driver\"\n              url=\"jdbc:mysql:\/\/localhost:3306\/yourDatabase?useSSL=false\">\n    <\/Resource>\n<\/Context><\/code><\/pre>\n
\u5728\u9019\u6bb5\u914d\u7f6e\u4e2d\uff0c\u60a8\u9700\u8981\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u66ff\u63db username<\/code>\u3001password<\/code> \u548c url<\/code> \u7684\u503c\u3002\u9019\u4e9b\u53c3\u6578\u5206\u5225\u4ee3\u8868\u6578\u64da\u5eab\u7684\u7528\u6236\u540d\u3001\u5bc6\u78bc\u548c\u9023\u63a5 URL\u3002<\/p>\n
\u6b65\u9a5f 4\uff1a\u5728 web.xml \u4e2d\u5f15\u7528\u6578\u64da\u6e90<\/h3>\n
\u7136\u5f8c\uff0c\u60a8\u9700\u8981\u5728\u61c9\u7528\u7a0b\u5f0f\u7684 WEB-INF\/web.xml<\/code> \u6587\u4ef6\u4e2d\u5f15\u7528\u9019\u500b\u6578\u64da\u6e90\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n
<resource-ref>\n    <description>DB Connection<\/description>\n    <res-ref-name>jdbc\/MyDB<\/res-ref-name>\n    <res-type>javax.sql.DataSource<\/res-type>\n    <res-link>jdbc\/MyDB<\/res-link>\n<\/resource-ref><\/code><\/pre>\n
\u6b65\u9a5f 5\uff1a\u5728\u4ee3\u78bc\u4e2d\u7372\u53d6\u9023\u63a5<\/h3>\n
\u6700\u5f8c\uff0c\u60a8\u53ef\u4ee5\u5728 Java \u4ee3\u78bc\u4e2d\u901a\u904e JNDI \u7372\u53d6\u6578\u64da\u5eab\u9023\u63a5\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n
Context initContext = new InitialContext();\nContext envContext = (Context)initContext.lookup(\"java:\/comp\/env\");\nDataSource ds = (DataSource)envContext.lookup(\"jdbc\/MyDB\");\nConnection conn = ds.getConnection();<\/code><\/pre>\n
\u9019\u6bb5\u4ee3\u78bc\u5c55\u793a\u4e86\u5982\u4f55\u5f9e\u9023\u63a5\u6c60\u4e2d\u7372\u53d6\u4e00\u500b\u9023\u63a5\uff0c\u4e26\u4e14\u53ef\u4ee5\u7528\u65bc\u57f7\u884c SQL \u67e5\u8a62\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u5728 Tomcat \u4e2d\u914d\u7f6e MySQL \u7684\u9023\u63a5\u6c60\u4e0d\u50c5\u80fd\u63d0\u9ad8\u61c9\u7528\u7a0b\u5f0f\u7684\u6027\u80fd\uff0c\u9084\u80fd\u6709\u6548\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\u3002\u901a\u904e\u4e0a\u8ff0\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u8a2d\u7f6e\u548c\u4f7f\u7528\u9023\u63a5\u6c60\uff0c\u5f9e\u800c\u63d0\u5347\u60a8\u7684 Java \u61c9\u7528\u7a0b\u5f0f\u7684\u6548\u7387\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 \u9999\u6e2f VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Learn how to configure a MySQL connection pool in Tomcat for efficient database management and improved application performance.<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-168749","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168749","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=168749"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168749\/revisions"}],"predecessor-version":[{"id":168750,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168749\/revisions\/168750"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=168749"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=168749"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=168749"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}