{"id":61979,"date":"2024-10-13T15:15:15","date_gmt":"2024-10-13T07:15:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/61979\/"},"modified":"2024-10-13T15:15:15","modified_gmt":"2024-10-13T07:15:15","slug":"java%e6%97%a5%e6%9c%9f%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9a%e5%a6%82%e4%bd%95%e6%ad%a3%e7%a2%ba%e8%99%95%e7%90%86%ef%bc%9f-java-date%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/61979\/","title":{"rendered":"Java\u65e5\u671f\u63d2\u5165\u6578\u64da\u5eab\uff1a\u5982\u4f55\u6b63\u78ba\u8655\u7406\uff1f (java date\u63d2\u5165\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"java%e6%97%a5%e6%9c%9f%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9a%e5%a6%82%e4%bd%95%e6%ad%a3%e7%a2%ba%e8%99%95%e7%90%86%ef%bc%9f-aUOyyYMLth\">Java\u65e5\u671f\u63d2\u5165\u6578\u64da\u5eab\uff1a\u5982\u4f55\u6b63\u78ba\u8655\u7406\uff1f<\/h1>\n<p>\u5728\u73fe\u4ee3\u61c9\u7528\u7a0b\u5e8f\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\uff0c\u800c\u65e5\u671f\u548c\u6642\u9593\u7684\u8655\u7406\u5247\u662f\u6578\u64da\u5eab\u64cd\u4f5c\u4e2d\u7684\u4e00\u500b\u91cd\u8981\u65b9\u9762\u3002Java\u4f5c\u70ba\u4e00\u7a2e\u5ee3\u6cdb\u4f7f\u7528\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u5f0f\u4f86\u8655\u7406\u65e5\u671f\u548c\u6642\u9593\uff0c\u4e26\u5c07\u5176\u63d2\u5165\u5230\u6578\u64da\u5eab\u4e2d\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728Java\u4e2d\u6b63\u78ba\u5730\u8655\u7406\u65e5\u671f\u63d2\u5165\u6578\u64da\u5eab\u7684\u904e\u7a0b\u3002<\/p>\n<h2 id=\"1-java%e4%b8%ad%e7%9a%84%e6%97%a5%e6%9c%9f%e5%92%8c%e6%99%82%e9%96%93%e9%a1%9e%e5%9e%8b-aUOyyYMLth\">1. Java\u4e2d\u7684\u65e5\u671f\u548c\u6642\u9593\u985e\u578b<\/h2>\n<p>\u5728Java\u4e2d\uff0c\u65e5\u671f\u548c\u6642\u9593\u7684\u8655\u7406\u4e3b\u8981\u4f9d\u8cf4\u65bc\u4ee5\u4e0b\u5e7e\u500b\u985e\uff1a<\/p>\n<ul>\n<li><code>java.util.Date<\/code><\/li>\n<li><code>java.sql.Date<\/code><\/li>\n<li><code>java.time.LocalDate<\/code><\/li>\n<li><code>java.time.LocalDateTime<\/code><\/li>\n<\/ul>\n<p>\u5176\u4e2d\uff0c<code>java.util.Date<\/code>\u662f\u8f03\u65e9\u7684\u65e5\u671f\u985e\u578b\uff0c\u901a\u5e38\u4e0d\u5efa\u8b70\u5728\u65b0\u9805\u76ee\u4e2d\u4f7f\u7528\u3002<code>java.sql.Date<\/code>\u5c08\u9580\u7528\u65bc\u8207SQL\u6578\u64da\u5eab\u4ea4\u4e92\uff0c\u800c<code>java.time.LocalDate<\/code>\u548c<code>java.time.LocalDateTime<\/code>\u5247\u662fJava 8\u5f15\u5165\u7684\u66f4\u73fe\u4ee3\u7684\u65e5\u671f\u6642\u9593API\uff0c\u63d0\u4f9b\u4e86\u66f4\u597d\u7684\u53ef\u8b80\u6027\u548c\u529f\u80fd\u3002<\/p>\n<h2 id=\"2-%e5%b0%87%e6%97%a5%e6%9c%9f%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%ad%a5%e9%a9%9f-aUOyyYMLth\">2. \u5c07\u65e5\u671f\u63d2\u5165\u6578\u64da\u5eab\u7684\u6b65\u9a5f<\/h2>\n<p>\u5728\u5c07\u65e5\u671f\u63d2\u5165\u6578\u64da\u5eab\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u78ba\u4fdd\u4f7f\u7528\u6b63\u78ba\u7684\u65e5\u671f\u985e\u578b\u3002\u4ee5\u4e0b\u662f\u5c07\u65e5\u671f\u63d2\u5165\u6578\u64da\u5eab\u7684\u4e00\u822c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"2-1-%e5%bb%ba%e7%ab%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5-aUOyyYMLth\">2.1. \u5efa\u7acb\u6578\u64da\u5eab\u9023\u63a5<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u5efa\u7acb\u8207\u6578\u64da\u5eab\u7684\u9023\u63a5\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>import java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.SQLException;\n\npublic class DatabaseConnection {\n    public static Connection getConnection() throws SQLException {\n        String url = \"jdbc:mysql:\/\/localhost:3306\/your_database\";\n        String user = \"your_username\";\n        String password = \"your_password\";\n        return DriverManager.getConnection(url, user, password);\n    }\n}\n<\/code><\/pre>\n<h3 id=\"2-2-%e6%ba%96%e5%82%99%e6%8f%92%e5%85%a5%e8%aa%9e%e5%8f%a5-aUOyyYMLth\">2.2. \u6e96\u5099\u63d2\u5165\u8a9e\u53e5<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60a8\u9700\u8981\u6e96\u5099\u4e00\u500bSQL\u63d2\u5165\u8a9e\u53e5\u3002\u9019\u88e1\u4f7f\u7528<code>java.sql.Date<\/code>\u4f86\u63d2\u5165\u65e5\u671f\uff1a<\/p>\n<pre><code>import java.sql.Connection;\nimport java.sql.PreparedStatement;\nimport java.sql.SQLException;\nimport java.sql.Date;\n\npublic class InsertDateExample {\n    public static void insertDate(Connection connection, java.util.Date utilDate) throws SQLException {\n        String sql = \"INSERT INTO your_table (date_column) VALUES (?)\";\n        try (PreparedStatement preparedStatement = connection.prepareStatement(sql)) {\n            preparedStatement.setDate(1, new Date(utilDate.getTime()));\n            preparedStatement.executeUpdate();\n        }\n    }\n}\n<\/code><\/pre>\n<h3 id=\"2-3-%e8%99%95%e7%90%86%e7%95%b0%e5%b8%b8-aUOyyYMLth\">2.3. \u8655\u7406\u7570\u5e38<\/h3>\n<p>\u5728\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u6642\uff0c\u8655\u7406\u7570\u5e38\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u60a8\u61c9\u8a72\u4f7f\u7528try-catch\u584a\u4f86\u6355\u7372\u53ef\u80fd\u767c\u751f\u7684SQL\u7570\u5e38\uff1a<\/p>\n<pre><code>try {\n    Connection connection = DatabaseConnection.getConnection();\n    java.util.Date utilDate = new java.util.Date(); \/\/ \u7576\u524d\u65e5\u671f\n    InsertDateExample.insertDate(connection, utilDate);\n} catch (SQLException e) {\n    e.printStackTrace();\n}\n<\/code><\/pre>\n<h2 id=\"3-%e4%bd%bf%e7%94%a8java-8%e7%9a%84%e6%97%a5%e6%9c%9f%e6%99%82%e9%96%93api-aUOyyYMLth\">3. \u4f7f\u7528Java 8\u7684\u65e5\u671f\u6642\u9593API<\/h2>\n<p>\u5982\u679c\u60a8\u4f7f\u7528\u7684\u662fJava 8\u6216\u66f4\u9ad8\u7248\u672c\uff0c\u5efa\u8b70\u4f7f\u7528<code>java.time<\/code>\u5305\u4e2d\u7684\u985e\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528<code>LocalDate<\/code>\u63d2\u5165\u65e5\u671f\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>import java.sql.Connection;\nimport java.sql.PreparedStatement;\nimport java.sql.SQLException;\nimport java.time.LocalDate;\n\npublic class InsertLocalDateExample {\n    public static void insertLocalDate(Connection connection, LocalDate localDate) throws SQLException {\n        String sql = \"INSERT INTO your_table (date_column) VALUES (?)\";\n        try (PreparedStatement preparedStatement = connection.prepareStatement(sql)) {\n            preparedStatement.setDate(1, java.sql.Date.valueOf(localDate));\n            preparedStatement.executeUpdate();\n        }\n    }\n}\n<\/code><\/pre>\n<h2 id=\"4-%e7%b8%bd%e7%b5%90-aUOyyYMLth\">4. \u7e3d\u7d50<\/h2>\n<p>\u5728Java\u4e2d\u6b63\u78ba\u8655\u7406\u65e5\u671f\u63d2\u5165\u6578\u64da\u5eab\u7684\u904e\u7a0b\u6d89\u53ca\u9078\u64c7\u5408\u9069\u7684\u65e5\u671f\u985e\u578b\u3001\u5efa\u7acb\u6578\u64da\u5eab\u9023\u63a5\u3001\u6e96\u5099\u63d2\u5165\u8a9e\u53e5\u4ee5\u53ca\u8655\u7406\u7570\u5e38\u3002\u7121\u8ad6\u662f\u4f7f\u7528\u820a\u7684<code>java.util.Date<\/code>\u9084\u662f\u65b0\u7684<code>java.time<\/code> API\uff0c\u7406\u89e3\u9019\u4e9b\u57fa\u672c\u6b65\u9a5f\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u4e14\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u70ba\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u63d0\u4f9b\u5f37\u5927\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728Java\u4e2d\u6b63\u78ba\u63d2\u5165\u65e5\u671f\u5230\u6578\u64da\u5eab\uff0c\u907f\u514d\u5e38\u898b\u932f\u8aa4\uff0c\u78ba\u4fdd\u6578\u64da\u6e96\u78ba\u6027\u548c\u4e00\u81f4\u6027\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-61979","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61979","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=61979"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61979\/revisions"}],"predecessor-version":[{"id":61980,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61979\/revisions\/61980"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=61979"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=61979"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=61979"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}