{"id":135113,"date":"2024-10-31T07:57:37","date_gmt":"2024-10-30T23:57:37","guid":{"rendered":"https:\/\/server.hk\/cnblog\/135113\/"},"modified":"2024-10-31T07:57:38","modified_gmt":"2024-10-30T23:57:38","slug":"spring%e8%bc%95%e9%ac%86%e9%87%8b%e6%94%be%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%ef%bc%8c%e6%8f%90%e9%ab%98%e6%80%a7%e8%83%bd%ef%bc%88spring%e9%87%8b%e6%94%be%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/135113\/","title":{"rendered":"Spring\u8f15\u9b06\u91cb\u653e\u6578\u64da\u5eab\u9023\u63a5\uff0c\u63d0\u9ad8\u6027\u80fd\uff08spring\u91cb\u653e\u6578\u64da\u5eab\u9023\u63a5\uff09"},"content":{"rendered":"<h1 id=\"spring%e8%bc%95%e9%ac%86%e9%87%8b%e6%94%be%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%ef%bc%8c%e6%8f%90%e9%ab%98%e6%80%a7%e8%83%bd-LOwSWizuHe\">Spring\u8f15\u9b06\u91cb\u653e\u6578\u64da\u5eab\u9023\u63a5\uff0c\u63d0\u9ad8\u6027\u80fd<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u5c0d\u65bc\u6574\u9ad4\u7cfb\u7d71\u7684\u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002Spring\u6846\u67b6\u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684Java\u958b\u767c\u6846\u67b6\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u5f0f\u4f86\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\u3002\u6b63\u78ba\u5730\u91cb\u653e\u6578\u64da\u5eab\u9023\u63a5\u4e0d\u50c5\u80fd\u63d0\u9ad8\u61c9\u7528\u7a0b\u5f0f\u7684\u6027\u80fd\uff0c\u9084\u80fd\u6e1b\u5c11\u8cc7\u6e90\u7684\u6d6a\u8cbb\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728Spring\u4e2d\u8f15\u9b06\u91cb\u653e\u6578\u64da\u5eab\u9023\u63a5\uff0c\u4e26\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<h2 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id=\"spring%e4%b8%ad%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e7%ae%a1%e7%90%86-LOwSWizuHe\">Spring\u4e2d\u7684\u6578\u64da\u5eab\u9023\u63a5\u7ba1\u7406<\/h2>\n<p>Spring\u6846\u67b6\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u5eab\u9023\u63a5\u7ba1\u7406\u7684\u65b9\u5f0f\uff0c\u6700\u5e38\u898b\u7684\u662f\u4f7f\u7528Spring\u7684JdbcTemplate\u548cSpring Data JPA\u3002\u9019\u4e9b\u5de5\u5177\u80fd\u5920\u7c21\u5316\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u4e26\u81ea\u52d5\u7ba1\u7406\u9023\u63a5\u7684\u958b\u555f\u548c\u95dc\u9589\u3002<\/p>\n<h3 id=\"%e4%bd%bf%e7%94%a8jdbctemplate-LOwSWizuHe\">\u4f7f\u7528JdbcTemplate<\/h3>\n<p>JdbcTemplate\u662fSpring\u63d0\u4f9b\u7684\u4e00\u500b\u7c21\u5316JDBC\u64cd\u4f5c\u7684\u5de5\u5177\u3002\u4f7f\u7528JdbcTemplate\u6642\uff0c\u958b\u767c\u8005\u4e0d\u9700\u8981\u624b\u52d5\u7ba1\u7406\u9023\u63a5\uff0c\u56e0\u70ba\u5b83\u6703\u81ea\u52d5\u8655\u7406\u9023\u63a5\u7684\u958b\u555f\u548c\u95dc\u9589\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528JdbcTemplate\u7684\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>import org.springframework.jdbc.core.JdbcTemplate;\nimport org.springframework.jdbc.datasource.DriverManagerDataSource;\n\npublic class DatabaseExample {\n    private JdbcTemplate jdbcTemplate;\n\n    public DatabaseExample() {\n        DriverManagerDataSource dataSource = new DriverManagerDataSource();\n        dataSource.setDriverClassName(\"com.mysql.cj.jdbc.Driver\");\n        dataSource.setUrl(\"jdbc:mysql:\/\/localhost:3306\/mydb\");\n        dataSource.setUsername(\"user\");\n        dataSource.setPassword(\"password\");\n\n        this.jdbcTemplate = new JdbcTemplate(dataSource);\n    }\n\n    public void queryData() {\n        String sql = \"SELECT * FROM users\";\n        List users = jdbcTemplate.query(sql, new UserRowMapper());\n        \/\/ \u8655\u7406\u67e5\u8a62\u7d50\u679c\n    }\n}\n<\/code><\/pre>\n<h3 id=\"%e4%bd%bf%e7%94%a8spring-data-jpa-LOwSWizuHe\">\u4f7f\u7528Spring Data JPA<\/h3>\n<p>Spring Data JPA\u63d0\u4f9b\u4e86\u4e00\u500b\u66f4\u9ad8\u5c64\u6b21\u7684\u62bd\u8c61\uff0c\u8b93\u958b\u767c\u8005\u80fd\u5920\u66f4\u8f15\u9b06\u5730\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u3002\u5b83\u81ea\u52d5\u7ba1\u7406EntityManager\u7684\u751f\u547d\u9031\u671f\uff0c\u4e26\u78ba\u4fdd\u9023\u63a5\u5728\u4f7f\u7528\u5f8c\u88ab\u6b63\u78ba\u91cb\u653e\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528Spring Data JPA\u7684\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>import org.springframework.data.jpa.repository.JpaRepository;\nimport org.springframework.stereotype.Repository;\n\n@Repository\npublic interface UserRepository extends JpaRepository {\n    List findByLastName(String lastName);\n}\n<\/code><\/pre>\n<h2 id=\"%e9%87%8b%e6%94%be%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e7%9a%84%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-LOwSWizuHe\">\u91cb\u653e\u6578\u64da\u5eab\u9023\u63a5\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n<ul>\n<li><strong>\u4f7f\u7528\u9023\u63a5\u6c60\uff1a<\/strong>\u4f7f\u7528\u9023\u63a5\u6c60\uff08\u5982HikariCP\u6216Apache 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JPA\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\uff0c\u4e26\u78ba\u4fdd\u8cc7\u6e90\u7684\u6709\u6548\u5229\u7528\u3002\u7d50\u5408\u4f7f\u7528\u9023\u63a5\u6c60\u548c\u6700\u4f73\u5be6\u8e10\uff0c\u53ef\u4ee5\u9032\u4e00\u6b65\u63d0\u5347\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dcVPS\u548c\u6578\u64da\u5eab\u7ba1\u7406\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728Spring\u4e2d\u8f15\u9b06\u91cb\u653e\u6578\u64da\u5eab\u9023\u63a5\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\uff0c\u78ba\u4fdd\u8cc7\u6e90\u6709\u6548\u5229\u7528\u8207\u7cfb\u7d71\u7a69\u5b9a\u6027\u3002<\/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-135113","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/135113","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=135113"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/135113\/revisions"}],"predecessor-version":[{"id":135114,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/135113\/revisions\/135114"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=135113"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=135113"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=135113"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}