{"id":1898,"date":"2022-11-28T22:04:37","date_gmt":"2022-11-28T14:04:37","guid":{"rendered":"https:\/\/qaqaq.top\/?p=1898"},"modified":"2022-11-28T22:04:37","modified_gmt":"2022-11-28T14:04:37","slug":"%e5%b8%b8%e7%94%a8%e7%9a%84%e5%bc%80%e6%ba%90%e7%9a%84%e6%95%b0%e6%8d%ae%e5%ba%93%e8%bf%9e%e6%8e%a5%e6%b1%a0","status":"publish","type":"post","link":"https:\/\/qaqaq.top\/?p=1898","title":{"rendered":"\u5e38\u7528\u7684\u5f00\u6e90\u7684\u6570\u636e\u5e93\u8fde\u63a5\u6c60"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">1,DBCP<\/h2>\n\n\n\n<p><br>\u8fd9\u4e2a\u662f\u4e00\u4e2a\u6bd4\u8f83\u65e9\u671f\u7684\u5f00\u6e90\u7684\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u3002\u662fApache\u4e0b\u9762\u7684\u4e00\u4e2a\u5b50\u9879\u76ee\u3002<\/p>\n\n\n\n<p>\u4f7f\u7528\u5206\u4e09\u6b65\uff1a1\uff0c\u5bfc\u5305 2\uff0c\u914d\u7f6e 3\uff0c\u4f7f\u7528<\/p>\n\n\n\n<p>1\uff0c\u5bfc\u5305<br>\u6709\u4e24\u4e2a\u65b9\u5f0f\u5bfc\u5305\uff0c\u7b2c\u4e00\u53bbApache\u5b98\u7f51\u4e0b\u8f7djar\u5305\uff0c\u7b2c\u4e8c\u53bbDBCP\u5b98\u7f51 \u4e0b\u8f7d<\/p>\n\n\n\n<p>\u5bfc\u5305<\/p>\n\n\n\n<p>\u4e0b\u8f7djar\u5305<\/p>\n\n\n\n<p>\u628ajar\u5305\u653e\u5230\u9879\u76ee\u4e2d\uff0c\u5e76\u4e14add as library<br><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/qaqaq.top\/wp-content\/uploads\/2022\/11\/image-92.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"101\" data-original=\"https:\/\/qaqaq.top\/wp-content\/uploads\/2022\/11\/image-92.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1899\"  sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/div><\/figure>\n\n\n\n<p>\u914d\u7f6e<\/p>\n\n\n\n<p>connectionProperties=useSSL=false;characterEncoding=utf8<\/p>\n\n\n\n<p>\u6709\u9ed8\u8ba4\u503c\uff0c\u53ef\u4ee5\u4e0d\u914d\u7f6e<\/p>\n\n\n\n<p>initialSize=5<br>maxTotal=10<br>\u6ce8\u610f\uff1a\u914d\u7f6e\u6587\u4ef6\u7684\u540d\u5b57\uff0c\u548c\u914d\u7f6e\u6587\u4ef6\u7684\u8def\u5f84\uff0c\u662f\u7528\u6237\u53ef\u4ee5\u81ea\u5df1\u5b9a\u4e49\u7684<\/p>\n\n\n\n<p>\u4f7f\u7528<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>static DataSource dataSource;\r\n\u200b\r\n\/\/ \u521d\u59cb\u5316\r\nstatic {\r\n\u200b\r\n    \/\/ \u52a0\u8f7d\u914d\u7f6e\u6587\u4ef6\r\n    Properties properties = new Properties();\r\n    try {\r\n        properties.load(new FileInputStream(\"dbcp.properties\"));\r\n\u200b\r\n        \/\/ \u521b\u5efa\u6570\u636e\u5e93\u8fde\u63a5\u6c60\r\n        dataSource = BasicDataSourceFactory.createDataSource(properties);\r\n\u200b\r\n\u200b\r\n    } catch (IOException e) {\r\n        e.printStackTrace();\r\n    } catch (Exception e) {\r\n        e.printStackTrace();\r\n    }\r\n\u200b\r\n\u200b\r\n}<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">2.C3p0<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>\u4ecb\u7ecd\uff1a\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u6570\u636e\u5e93\u8fde\u63a5\u6c60<a href=\"https:\/\/www.mchange.com\/projects\/c3p0\/\">\u5b98\u7f51<\/a><\/li><li>\u5bfc\u5305<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/qaqaq.top\/wp-content\/uploads\/2022\/11\/image-93.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1011\" height=\"123\" data-original=\"https:\/\/qaqaq.top\/wp-content\/uploads\/2022\/11\/image-93.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1900\"  sizes=\"(max-width: 1011px) 100vw, 1011px\" \/><\/div><\/figure>\n\n\n\n<p>\u914d\u7f6e<\/p>\n\n\n\n<p>\u5728 \u7c7b\u8def\u5f84\u4e0b\u9762\uff08\u76ee\u524d\u662fsrc\uff09\u58f0\u660e\u4e00\u4e2a\u914d\u7f6e\u6587\u4ef6\uff0c\u540d\u5b57\u53eb\u505a c3p0-config.xml<\/p>\n\n\n\n<p>xml\u6587\u4ef6\u7c7b\u4f3c\u4e8e html\u6587\u4ef6\uff0c\u5176\u5b9e\u5c31\u662f\u4e00\u4e2a\u7531\u5404\u4e2a\u6807\u7b7e\u7ec4\u6210\u7684\u4e00\u4e2a\u6587\u4ef6<\/p>\n\n\n\n<p>xml\u6587\u4ef6\u5939\u89e3\u6790\u8ffd\u8e2a\u4f1a\u88ab\u89e3\u6790\u4e3a\u4e00\u4e2a dom\u6811\uff0c\u6807\u7b7e\u662f\u4e00\u4e2a\u6811\u7ed3\u6784\u7684<\/p>\n\n\n\n<p>xml\u6587\u4ef6\u6700\u521d\u88ab\u521b\u5efa\u51fa\u6765\u5176\u5b9e\u662f\u4e3a\u4e86 \u7cfb\u7edf\u7cfb\u7edf\u4e4b\u95f4\u7684 \u5185\u5bb9\u4f20\u8f93\uff0c\u76ee\u524d\u8fd9\u4e2a\u529f\u80fd\u88abJSON \u53d6\u4ee3\u4e86\uff0c\u4f46\u662f\u76ee\u524dxml\u6587\u4ef6\u66f4\u591a\u7684\u662f\u88ab\u7528\u6765\u5f53\u914d\u7f6e\u6587\u4ef6<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;c3p0-config>\r\n    &lt;!--\r\n    \u7279\u6b8a\u5b57\u7b26 \u8981\u5199\u8f6c\u4e49\u5b57\u7b26\r\n            \u8f6c\u4e49\u5b57\u7b26\r\n    &amp;       &amp;amp;\r\n    >       &amp;gt;\r\n    &lt;       &amp;lt;\r\n    -->\r\n    &lt;default-config>\r\n        &lt;property name=\"user\">root&lt;\/property>\r\n        &lt;property name=\"password\">123456&lt;\/property>\r\n        &lt;property name=\"driverClass\">com.mysql.jdbc.Driver&lt;\/property>\r\n        &lt;property name=\"jdbcUrl\">jdbc:mysql:\/\/localhost:3306\/41th?useSSL=false&amp;amp;characterEncoding=utf8&lt;\/property>\r\n        &lt;property name=\"maxPoolSize\">30&lt;\/property>\r\n        &lt;property name=\"minPoolSize\">10&lt;\/property>\r\n    &lt;\/default-config>\r\n\u200b\r\n\u200b\r\n    &lt;!--&lt;named-config name=\"intergalactoApp \"> -->\r\n            &lt;!--&lt;property name=\"maxPoolSize\">1000&lt;\/property> -->\r\n        &lt;!--&lt;property name=\"minPoolSize\">100&lt;\/property> -->\r\n        &lt;!--&lt;property name=\"numHelperThreads\">50&lt;\/property> -->\r\n    &lt;!--&lt;\/named-config> -->\r\n&lt;\/c3p0-config><\/code><\/pre>\n\n\n\n<p>\u4f7f\u7528<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>static DataSource dataSource;\r\n\u200b\r\nstatic {\r\n\u200b\r\n    \/\/ \u91c7\u7528 intergalactoApp \u5bf9\u5e94\u7684\u914d\u7f6e\r\n    \/\/ dataSource = new ComboPooledDataSource(\"intergalactoApp\");\r\n    \/\/ \u4f7f\u7528\u9ed8\u8ba4\u7684\u914d\u7f6e\r\n    dataSource = new ComboPooledDataSource();\r\n\u200b\r\n}\r\n\u200b\r\n\/\/ \u83b7\u53d6\u8fde\u63a5\r\npublic static Connection getConnection(){\r\n\u200b\r\n    Connection connection = null;\r\n    try {\r\n        connection = dataSource.getConnection();\r\n    } catch (SQLException e) {\r\n        e.printStackTrace();\r\n    }\r\n    return connection;\r\n\u200b\r\n}<\/code><\/pre>\n\n\n\n<p>\u6ce8\u610f\uff1aC3p0\u7684\u914d\u7f6e\u6587\u4ef6\u5fc5\u987b\u5728\u7c7b\u8def\u5f84\uff08src\uff09\u4e0b\uff0c\u5fc5\u987b\u540d\u5b57\u53eb\u505a c3p0-config.xml<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3.Druid<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Druid\u662f\u76ee\u524d\u56fd\u5185\u4f7f\u7528\u6700\u5e7f\u7684\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u3002\u76ee\u524d\u5df2\u7ecf\u7531alibaba\u6350\u8d60\u7ed9\u4e86apache\uff0c\u7531apache\u6765\u7ef4\u62a4Druid\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u7684\u7279\u70b9\uff1a<\/li><li>\u56fd\u4ea7\u7684\uff08Alibaba\uff09<\/li><li><a href=\"https:\/\/druid.apache.org\/\">\u5b98\u65b9\u5730\u5740<\/a><\/li><li>\u5bfc\u5305<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/qaqaq.top\/wp-content\/uploads\/2022\/11\/image-94.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"997\" height=\"140\" data-original=\"https:\/\/qaqaq.top\/wp-content\/uploads\/2022\/11\/image-94.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1901\"  sizes=\"(max-width: 997px) 100vw, 997px\" \/><\/div><\/figure>\n\n\n\n<p>\u914d\u7f6e<\/p>\n\n\n\n<p>\u5728\u4efb\u610f\u8def\u5f84\u4e0b\u914d\u7f6e\u4e00\u4e2aproperties\u914d\u7f6e\u6587\u4ef6\u5373\u53ef<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>driverClassName=com.mysql.jdbc.Driver\r\nusername=root\r\npassword=123456\r\nurl=jdbc:mysql:\/\/localhost:3306\/41th?useSSL=false&amp;characterEncoding=utf8\r\n\u200b\r\n# \u4ee5\u4e0b\u4e3a\u4e00\u4e9b \u7f3a\u7701\u914d\u7f6e\uff0c\u5982\u679c\u914d\u7f6e\u4e4b\u540e\uff0c\u4f1a\u8986\u76d6\u9ed8\u8ba4\u7684\u914d\u7f6e\r\ninitialSize=10\r\nmaxActive=20<\/code><\/pre>\n\n\n\n<p>\u4f7f\u7528<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>static DataSource dataSource;\r\n\u200b\r\nstatic {\r\n\u200b\r\n    try {\r\n\u200b\r\n        \/\/ \u521d\u59cb\u5316datasource\r\n        Properties properties = new Properties();\r\n        properties.load(new FileInputStream(\"druid.properties\"));\r\n        dataSource = DruidDataSourceFactory.createDataSource(properties);\r\n\u200b\r\n    }catch (Exception ex) {\r\n        ex.printStackTrace();\r\n    }\r\n\u200b\r\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>1,DBCP \u8fd9\u4e2a\u662f\u4e00\u4e2a\u6bd4\u8f83\u65e9\u671f\u7684\u5f00\u6e90\u7684\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u3002\u662fApache\u4e0b\u9762\u7684\u4e00\u4e2a\u5b50\u9879\u76ee\u3002 \u4f7f\u7528\u5206\u4e09\u6b65\uff1a1\uff0c\u5bfc\u5305  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39],"tags":[48],"class_list":["post-1898","post","type-post","status-publish","format-standard","hentry","category-jdbc-","tag-jdbc"],"_links":{"self":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/1898"}],"collection":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1898"}],"version-history":[{"count":1,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/1898\/revisions"}],"predecessor-version":[{"id":1902,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/1898\/revisions\/1902"}],"wp:attachment":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1898"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1898"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1898"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}