{"id":1678,"date":"2020-11-30T16:25:10","date_gmt":"2020-11-30T08:25:10","guid":{"rendered":"https:\/\/www.yusian.com\/blog\/?p=1678"},"modified":"2020-12-01T08:34:55","modified_gmt":"2020-12-01T00:34:55","slug":"spring-jdbc%e7%9a%84%e5%9f%ba%e6%9c%ac%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/www.yusian.com\/blog\/java\/2020\/11\/30\/1625101678.html","title":{"rendered":"Spring-jdbc\u7684\u57fa\u672c\u4f7f\u7528"},"content":{"rendered":"<h3>\u4f7f\u7528\u8bf4\u660e<\/h3>\n<ul>\n<li><code>Spring-jdbc<\/code>\u80fd\u5e2e\u52a9\u5f00\u53d1\u8005\u5728\u8fdb\u884c\u6570\u636e\u5e93\u6570\u636e\u4ea4\u4e92\u7684\u65f6\u5019\u5c06\u6ce8\u610f\u529b\u8f6c\u79fb\u5230SQL\u8bed\u53e5\u4e0a\u6765\uff0c\u5173\u5fc3\u6838\u5fc3\u4e1a\u52a1\uff1b<\/li>\n<li><code>Spring-jdbc<\/code>\u5c06DML\u53caDQL\u8fdb\u884c\u518d\u6b21\u5c01\u88c5\uff0c\u4f7f\u5f97\u6570\u636e\u5e93\u7684\u4ea4\u4e92\u53d8\u5f97\u66f4\u52a0\u7b80\u5355\u9ad8\u6548\uff0c\u8fd8\u80fd\u81ea\u52a8\u91ca\u653e\u8d44\u6e90\uff1b<\/li>\n<li><code>Spring-jdbc<\/code>\u89e3\u51b3\u7684\u662f\u6570\u636e\u5e93\u4ea4\u4e92\u95ee\u9898\uff0c\u8fde\u63a5\u6c60\u4e0d\u5728\u5176\u80fd\u529b\u8303\u56f4\u4e4b\u5185\uff0c\u9700\u8981\u4ece\u5916\u9762\u4f20\u5165DataSource\uff1b<\/li>\n<\/ul>\n<h3>1\u3001\u5bfc\u5305<\/h3>\n<ul>\n<li>Spring\u76f8\u5173\u7684\u5305\uff0c\u4e0b\u8f7d\u5730\u5740\uff1a<a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/repo.spring.io\/libs-release-local\/org\/springframework\/spring\">https:\/\/repo.spring.io\/libs-release-local\/org\/springframework\/spring<\/a>\n<ul>\n<li><code>spring-core-x.y.z.jar<\/code><\/li>\n<li><code>spring-tx-x.y.z.jar<\/code><\/li>\n<li><code>spring-beans-x.y.z.jar<\/code><\/li>\n<li><code>spring-jdbc.x.y.z.jar<\/code><\/li>\n<\/ul>\n<\/li>\n<li>Common\u5305\uff0c\u4e0b\u8f7d\u5730\u5740\uff1a<a class=\"wp-editor-md-post-content-link\" href=\"http:\/\/commons.apache.org\/proper\/commons-logging\/download_logging.cgi\">http:\/\/commons.apache.org\/proper\/commons-logging\/download_logging.cgi<\/a>\n<ul>\n<li><code>commons.logging-x.y.jar<\/code><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><!--more--><\/p>\n<h3>2\u3001\u51c6\u5907\u4e00\u4e2aDataSource<\/h3>\n<ul>\n<li>\u53c2\u7167\uff1a<a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/www.yusian.com\/blog\/java\/2020\/11\/29\/1737061674.html\">Druid\u7684\u57fa\u672c\u4f7f\u7528<\/a><\/li>\n<\/ul>\n<pre><code class=\"language-java line-numbers\">package com.yusian.pools;\n\nimport com.alibaba.druid.pool.DruidDataSourceFactory;\n\nimport javax.sql.DataSource;\nimport java.sql.Connection;\nimport java.sql.ResultSet;\nimport java.sql.SQLException;\nimport java.sql.Statement;\nimport java.util.Properties;\n\npublic class Utils {\n\n    \/\/ DataSource\n    private static DataSource ds;\n    static {\n        ClassLoader classLoader = Utils.class.getClassLoader();\n        try {\n            Properties pro = new Properties();\n            pro.load(classLoader.getResourceAsStream(\"druid.properties\"));\n            ds = DruidDataSourceFactory.createDataSource(pro);\n        } catch (Exception e) {\n            e.printStackTrace();\n        }\n    }\n\n    \/**\n     * \u83b7\u53d6DataSource\n     * @return DataSrouce\n     *\/\n    public static DataSource getDataSource() {\n        return ds;\n    }\n\n    \/**\n     * \u4ece\u8fde\u63a5\u6c60\u83b7\u53d6\u8fde\u63a5\u5bf9\u8c61\n     * @return \u8fde\u63a5\u5bf9\u8c61\n     * @throws SQLException\n     *\/\n    public static Connection getConnection() throws SQLException {\n        if (ds == null) throw new SQLException(\"\u521b\u5efa\u8fde\u63a5\u6c60\u5931\u8d25\uff01\");\n        return ds.getConnection();\n    }\n\n    \/**\n     * \u91ca\u653e\u67e5\u8be2\u7c7b\u64cd\u4f5c\u7684\u6240\u6709\u8d44\u6e90\n     * @param conn \u8fde\u63a5\u5bf9\u8c61\uff0c\u5f52\u8fd8\u5230\u8fde\u63a5\u6c60\n     * @param stmt \u67e5\u8be2\u5bf9\u8c61\n     * @param retSet \u7ed3\u679c\u5bf9\u8c61\n     *\/\n    public static void close(Connection conn, Statement stmt, ResultSet retSet) {\n        releaseCloseableObject(retSet);\n        releaseCloseableObject(stmt);\n        releaseCloseableObject(conn);\n    }\n\n    \/**\n     * \u91ca\u653e\u66f4\u65b0\u7c7b\u64cd\u4f5c\u7684\u6240\u6709\u8d44\u6e90\n     * @param conn \u8fde\u63a5\u5bf9\u8c61\n     * @param stmt \u67e5\u8be2\u5bf9\u8c61\n     *\/\n    public static void close(Connection conn, Statement stmt) {\n        close(conn, stmt, null);\n    }\n\n    \/**\n     * \u91ca\u653eAutoCloseable\u5bf9\u8c61\u8d44\u6e90\n     * @param object \u9700\u8981\u91ca\u653e\u7684\u5bf9\u8c61\n     *\/\n    public static void releaseCloseableObject(AutoCloseable object) {\n        if (object == null) return;\n        try {\n            object.close();\n        } catch (Exception e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/pre>\n<h3>3\u3001\u57fa\u672c\u4f7f\u7528<\/h3>\n<ol>\n<li>\u83b7\u53d6<code>JdbcTemplate<\/code>\u5bf9\u8c61\uff1a\n<pre><code class=\"language-java line-numbers\">JdbcTemplate template = new JdbcTemplate(Utils.getDataSource());\n<\/code><\/pre>\n<\/li>\n<li>\u83b7\u53d6\u6570\u636e\uff0c\u652f\u6301\u5404\u79cd\u6570\u636e\u7ed3\u6784\u7c7b\u578b\n<pre><code class=\"language-java line-numbers\">\/\/ List\nList&lt;Map&lt;String, Object&gt;&gt; list = template.queryForList(\"select * from account\");\nSystem.out.println(list);\n\n\/\/ Map\nMap&lt;String, Object&gt; map = template.queryForMap(\"select * from account where id = 1\");\nSystem.out.println(map);\n\n\/\/ ResultSet\nSqlRowSet set = template.queryForRowSet(\"select * from account\");\nSystem.out.println(set);\n\n\/\/ \u81ea\u5b9a\u4e49\u7c7b\u578b\uff0c\u5b9e\u73b0RowMapper\u63a5\u53e3\nList&lt;Account&gt; accList = template.query(\"select * from account\", (resultSet, i) -&gt; {\n   Account acc = new Account(resultSet);\n   return acc;\n});\nSystem.out.println(accList);\n\n\/\/ Bean\uff0cBeanPropertyRowMapper\u662f\u5bf9RowMapper\u7684\u4e00\u4e2a\u5b9e\u73b0\uff0c\u4ed6\u80fd\u6839\u636e\u5bf9\u8c61\u7684\u5c5e\u6027\u53caset\u65b9\u6cd5\u81ea\u52a8\u5c06\u6570\u636e\u5e93\u4e2d\u76f8\u540c\u7684\u5b57\u6bb5\u8d4b\u503c\u7ed9\u5bf9\u8c61\u5c5e\u6027\nList&lt;Account&gt; beanList = template.query(\"select * from account\", new BeanPropertyRowMapper&lt;&gt;(Account.class));\nSystem.out.println(beanList);\n<\/code><\/pre>\n<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528\u8bf4\u660e Spring-jdbc\u80fd\u5e2e\u52a9\u5f00\u53d1\u8005\u5728\u8fdb\u884c\u6570\u636e\u5e93\u6570\u636e\u4ea4\u4e92\u7684\u65f6\u5019\u5c06\u6ce8\u610f\u529b\u8f6c\u79fb\u5230SQL\u8bed\u53e5\u4e0a\u6765\uff0c\u5173\u5fc3\u6838\u5fc3\u4e1a\u52a1\uff1b Spring-jdbc\u5c06DML\u53caDQL\u8fdb\u884c\u518d\u6b21\u5c01\u88c5\uff0c\u4f7f\u5f97\u6570\u636e\u5e93\u7684\u4ea4\u4e92\u53d8\u5f97\u66f4\u52a0\u7b80\u5355\u9ad8\u6548\uff0c\u8fd8\u80fd\u81ea\u52a8\u91ca\u653e\u8d44\u6e90\uff1b Spring-jdbc\u89e3\u51b3\u7684\u662f\u6570\u636e\u5e93\u4ea4\u4e92\u95ee\u9898\uff0c\u8fde\u63a5\u6c60\u4e0d\u5728\u5176\u80fd\u529b\u8303\u56f4\u4e4b\u5185\uff0c\u9700\u8981\u4ece\u5916\u9762\u4f20\u5165DataSource\uff1b 1\u3001\u5bfc\u5305 Spring\u76f8\u5173\u7684\u5305\uff0c\u4e0b\u8f7d\u5730\u5740\uff1ahttps:\/\/repo.spring.io\/libs-release-local\/org\/springframework\/spring spring-core-x.y.z.jar spring-tx-x.y.z.jar spring-beans-x.y.z.jar spring-jdbc.x.y.z.jar Common\u5305\uff0c\u4e0b\u8f7d\u5730\u5740\uff1ahttp:\/\/commons.apache.org\/proper\/commons-logging\/download_logging.cgi commons.logging-x.y.jar<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35],"tags":[300,292,299],"class_list":["post-1678","post","type-post","status-publish","format-standard","hentry","category-java","tag-durid","tag-jdbc","tag-spring-jdbc"],"_links":{"self":[{"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/posts\/1678","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/comments?post=1678"}],"version-history":[{"count":0,"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/posts\/1678\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/media?parent=1678"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/categories?post=1678"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/tags?post=1678"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}