{"id":194525,"date":"2024-11-13T07:23:20","date_gmt":"2024-11-12T23:23:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/194525\/"},"modified":"2024-11-13T07:23:21","modified_gmt":"2024-11-12T23:23:21","slug":"%e7%94%a8java%e9%85%8d%e7%bd%ae%e6%95%b8%e6%93%9a%e5%ba%ab%e6%96%87%e4%bb%b6%e8%b7%af%e5%be%91%ef%bc%8c%e8%bc%95%e9%ac%86%e5%af%a6%e7%8f%be%e9%a0%85%e7%9b%ae%e7%ae%a1%e7%90%86-java%e9%a0%85%e7%9b%ae","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/194525\/","title":{"rendered":"\u7528Java\u914d\u7f6e\u6578\u64da\u5eab\u6587\u4ef6\u8def\u5f91\uff0c\u8f15\u9b06\u5be6\u73fe\u9805\u76ee\u7ba1\u7406 (java\u9805\u76ee\u6578\u64da\u5eab\u914d\u7f6e\u6587\u4ef6\u8def\u5f91)"},"content":{"rendered":"<h1 id=\"%e7%94%a8java%e9%85%8d%e7%bd%ae%e6%95%b8%e6%93%9a%e5%ba%ab%e6%96%87%e4%bb%b6%e8%b7%af%e5%be%91%ef%bc%8c%e8%bc%95%e9%ac%86%e5%af%a6%e7%8f%be%e9%a0%85%e7%9b%ae%e7%ae%a1%e7%90%86-kJuGqGUgti\">\u7528Java\u914d\u7f6e\u6578\u64da\u5eab\u6587\u4ef6\u8def\u5f91\uff0c\u8f15\u9b06\u5be6\u73fe\u9805\u76ee\u7ba1\u7406<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u8edf\u4ef6\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u914d\u7f6e\u662f\u6bcf\u500b\u9805\u76ee\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u61c9\u7528\u9084\u662f\u5927\u578b\u7cfb\u7d71\uff0c\u6b63\u78ba\u914d\u7f6e\u6578\u64da\u5eab\u6587\u4ef6\u8def\u5f91\u90fd\u80fd\u6709\u6548\u63d0\u9ad8\u9805\u76ee\u7684\u7ba1\u7406\u6548\u7387\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728Java\u9805\u76ee\u4e2d\u914d\u7f6e\u6578\u64da\u5eab\u6587\u4ef6\u8def\u5f91\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u5efa\u8b70\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e9%85%8d%e7%bd%ae%e6%95%b8%e6%93%9a%e5%ba%ab%e6%96%87%e4%bb%b6%e8%b7%af%e5%be%91-kJuGqGUgti\">\u70ba\u4ec0\u9ebc\u9700\u8981\u914d\u7f6e\u6578\u64da\u5eab\u6587\u4ef6\u8def\u5f91<\/h2>\n<p>\u6578\u64da\u5eab\u6587\u4ef6\u8def\u5f91\u7684\u914d\u7f6e\u5c0d\u65bc\u9805\u76ee\u7684\u53ef\u7dad\u8b77\u6027\u548c\u53ef\u64f4\u5c55\u6027\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u5c07\u6578\u64da\u5eab\u7684\u8def\u5f91\u8207\u4ee3\u78bc\u5206\u96e2\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5728\u4e0d\u6539\u52d5\u4ee3\u78bc\u7684\u60c5\u6cc1\u4e0b\u8f15\u9b06\u66f4\u6539\u6578\u64da\u5eab\u7684\u4f4d\u7f6e\u6216\u985e\u578b\u3002\u6b64\u5916\uff0c\u9019\u6a23\u7684\u914d\u7f6e\u9084\u80fd\u63d0\u9ad8\u9805\u76ee\u7684\u9748\u6d3b\u6027\uff0c\u4fbf\u65bc\u5728\u4e0d\u540c\u74b0\u5883\uff08\u5982\u958b\u767c\u3001\u6e2c\u8a66\u548c\u751f\u7522\u74b0\u5883\uff09\u4e2d\u9032\u884c\u90e8\u7f72\u3002<\/p>\n<h2 id=\"java%e4%b8%ad%e9%85%8d%e7%bd%ae%e6%95%b8%e6%93%9a%e5%ba%ab%e6%96%87%e4%bb%b6%e8%b7%af%e5%be%91%e7%9a%84%e6%96%b9%e6%b3%95-kJuGqGUgti\">Java\u4e2d\u914d\u7f6e\u6578\u64da\u5eab\u6587\u4ef6\u8def\u5f91\u7684\u65b9\u6cd5<\/h2>\n<p>\u5728Java\u4e2d\uff0c\u914d\u7f6e\u6578\u64da\u5eab\u6587\u4ef6\u8def\u5f91\u901a\u5e38\u6d89\u53ca\u5230\u4f7f\u7528\u5c6c\u6027\u6587\u4ef6\u6216\u74b0\u5883\u8b8a\u91cf\u3002\u4ee5\u4e0b\u662f\u5169\u7a2e\u5e38\u898b\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e5%b1%ac%e6%80%a7%e6%96%87%e4%bb%b6-kJuGqGUgti\">1. \u4f7f\u7528\u5c6c\u6027\u6587\u4ef6<\/h3>\n<p>\u5c6c\u6027\u6587\u4ef6\u662f\u4e00\u7a2e\u7c21\u55ae\u7684\u9375\u503c\u5c0d\u6587\u4ef6\uff0c\u901a\u5e38\u7528\u65bc\u5b58\u5132\u914d\u7f6e\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u4f7f\u7528\u5c6c\u6027\u6587\u4ef6\u4f86\u914d\u7f6e\u6578\u64da\u5eab\u8def\u5f91\u7684\u6b65\u9a5f\uff1a<\/p>\n<pre><code>1. \u5275\u5efa\u4e00\u500b\u540d\u70ba <strong>config.properties<\/strong> \u7684\u6587\u4ef6\uff0c\u5167\u5bb9\u5982\u4e0b\uff1a\ndb.url=jdbc:mysql:\/\/localhost:3306\/mydatabase\ndb.username=root\ndb.password=password\n\n2. \u5728Java\u4ee3\u78bc\u4e2d\u8b80\u53d6\u5c6c\u6027\u6587\u4ef6\uff1a\nimport java.io.FileInputStream;\nimport java.io.IOException;\nimport java.util.Properties;\n\npublic class DatabaseConfig {\n    private Properties properties = new Properties();\n\n    public DatabaseConfig() {\n        try {\n            FileInputStream input = new FileInputStream(\"config.properties\");\n            properties.load(input);\n        } catch (IOException e) {\n            e.printStackTrace();\n        }\n    }\n\n    public String getDbUrl() {\n        return properties.getProperty(\"db.url\");\n    }\n\n    public String getDbUsername() {\n        return properties.getProperty(\"db.username\");\n    }\n\n    public String getDbPassword() {\n        return properties.getProperty(\"db.password\");\n    }\n}\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e7%92%b0%e5%a2%83%e8%ae%8a%e9%87%8f-kJuGqGUgti\">2. \u4f7f\u7528\u74b0\u5883\u8b8a\u91cf<\/h3>\n<p>\u53e6\u4e00\u7a2e\u65b9\u6cd5\u662f\u4f7f\u7528\u74b0\u5883\u8b8a\u91cf\u4f86\u914d\u7f6e\u6578\u64da\u5eab\u8def\u5f91\u3002\u9019\u7a2e\u65b9\u6cd5\u7684\u597d\u8655\u5728\u65bc\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u74b0\u5883\u4e2d\u8f15\u9b06\u66f4\u6539\u914d\u7f6e\uff0c\u800c\u7121\u9700\u4fee\u6539\u4ee3\u78bc\u6216\u914d\u7f6e\u6587\u4ef6\u3002<\/p>\n<pre><code>1. \u5728\u64cd\u4f5c\u7cfb\u7d71\u4e2d\u8a2d\u7f6e\u74b0\u5883\u8b8a\u91cf\uff1a\nexport DB_URL=jdbc:mysql:\/\/localhost:3306\/mydatabase\nexport DB_USERNAME=root\nexport DB_PASSWORD=password\n\n2. \u5728Java\u4ee3\u78bc\u4e2d\u8b80\u53d6\u74b0\u5883\u8b8a\u91cf\uff1a\npublic class DatabaseConfig {\n    public String getDbUrl() {\n        return System.getenv(\"DB_URL\");\n    }\n\n    public String getDbUsername() {\n        return System.getenv(\"DB_USERNAME\");\n    }\n\n    public String getDbPassword() {\n        return System.getenv(\"DB_PASSWORD\");\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-kJuGqGUgti\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<ul>\n<li><strong>\u5b89\u5168\u6027\uff1a<\/strong>\u78ba\u4fdd\u654f\u611f\u4fe1\u606f\uff08\u5982\u6578\u64da\u5eab\u5bc6\u78bc\uff09\u4e0d\u88ab\u786c\u7de8\u78bc\u5728\u4ee3\u78bc\u4e2d\uff0c\u61c9\u4f7f\u7528\u5c6c\u6027\u6587\u4ef6\u6216\u74b0\u5883\u8b8a\u91cf\u4f86\u7ba1\u7406\u3002<\/li>\n<li><strong>\u7248\u672c\u63a7\u5236\uff1a<\/strong>\u5c07\u914d\u7f6e\u6587\u4ef6\u7d0d\u5165\u7248\u672c\u63a7\u5236\u7cfb\u7d71\uff0c\u4f46\u8981\u6ce8\u610f\u4e0d\u8981\u63d0\u4ea4\u5305\u542b\u654f\u611f\u4fe1\u606f\u7684\u6587\u4ef6\u3002<\/li>\n<li><strong>\u74b0\u5883\u5206\u96e2\uff1a<\/strong>\u70ba\u4e0d\u540c\u7684\u74b0\u5883\uff08\u958b\u767c\u3001\u6e2c\u8a66\u3001\u751f\u6210\uff09\u4f7f\u7528\u4e0d\u540c\u7684\u914d\u7f6e\u6587\u4ef6\u6216\u74b0\u5883\u8b8a\u91cf\uff0c\u4ee5\u907f\u514d\u914d\u7f6e\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-kJuGqGUgti\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u6b63\u78ba\u914d\u7f6e\u6578\u64da\u5eab\u6587\u4ef6\u8def\u5f91\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u63d0\u9ad8\u9805\u76ee\u7684\u53ef\u7dad\u8b77\u6027\u548c\u9748\u6d3b\u6027\u3002\u7121\u8ad6\u662f\u4f7f\u7528\u5c6c\u6027\u6587\u4ef6\u9084\u662f\u74b0\u5883\u8b8a\u91cf\uff0c\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5\u4f86\u7ba1\u7406\u6578\u64da\u5eab\u914d\u7f6e\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u9019\u4e0d\u50c5\u80fd\u7c21\u5316\u958b\u767c\u904e\u7a0b\uff0c\u9084\u80fd\u5728\u9805\u76ee\u64f4\u5c55\u6642\u63d0\u4f9b\u4fbf\u5229\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684Java\u9805\u76ee\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u5eab\u548c\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528Java\u914d\u7f6e\u6578\u64da\u5eab\u6587\u4ef6\u8def\u5f91\uff0c\u7c21\u5316\u9805\u76ee\u7ba1\u7406\uff0c\u63d0\u5347\u958b\u767c\u6548\u7387\uff0c\u8f15\u9b06\u5be6\u73fe\u9748\u6d3b\u7684\u6578\u64da\u5eab\u9023\u63a5\u8a2d\u7f6e\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-194525","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194525","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=194525"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194525\/revisions"}],"predecessor-version":[{"id":194526,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194525\/revisions\/194526"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=194525"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=194525"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=194525"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}