{"id":32935,"date":"2023-06-01T12:24:22","date_gmt":"2023-06-01T04:24:22","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=32935"},"modified":"2023-07-31T00:21:30","modified_gmt":"2023-07-30T16:21:30","slug":"java-sql-datejava-sql-time%e5%92%8cjava-sql-timestamp%e4%bb%80%e4%b9%88%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/32935.html","title":{"rendered":"java.sql.Date,java.sql.Time\u548cjava.sql.Timestamp\u4ec0\u4e48\u533a\u522b"},"content":{"rendered":"<blockquote class=\"wp-block-quote\">\n<p>java.util.Date \u5c31\u662f\u5728\u9664\u4e86SQL\u8bed\u53e5\u7684\u60c5\u51b5\u4e0b\u9762\u4f7f\u7528\uff0cjava.sql.Date\u548cjava.sql.Timestamp\u662f\u9488\u5bf9SQL\u8bed\u53e5\u4f7f\u7528\u7684\u3002\u7528\u4e8esql(\u6570\u636e\u5e93)\u7684\uff1ajava.sql.Date\u53ea\u80fd\u5b58\u653e\u5e74\u6708\u65e5\uff0cjava.sql.Timestamp\u80fd\u5b58\u653e\u5e74\u6708\u65e5\u65f6\u5206\u79d2\u7528\u4e8e\u975esql\u7684\uff1ajava.util.Date\u80fd\u591f\u5b58\u653e\u5e74\u6708\u65e5\u65f6\u5206\u79d2\u3002<\/p>\n<\/blockquote>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img fetchpriority=\"high\" alt=\"\" class=\"wp-image-32936\" decoding=\"async\" height=\"421\" sizes=\"(max-width: 680px) 100vw, 680px\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/06\/\u6dfb\u52a0\u6807\u9898-1.png?x-oss-process=image\/auto-orient,1\/format,webp\" srcset=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/06\/\u6dfb\u52a0\u6807\u9898-1.png?x-oss-process=image\/auto-orient,1\/format,webp 680w, https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/06\/\u6dfb\u52a0\u6807\u9898-1-300x186.png 300w\" width=\"680\"\/><\/figure>\n<\/div>\n<h2 class=\"wp-block-heading\"><strong>\u4e00\u3001java.sql.Date,java.sql.Time\u548cjava.sql.Timestamp\u7684\u533a\u522b<\/strong><\/h2>\n<h3 class=\"wp-block-heading\"><strong>1. <\/strong><strong>\u533a\u522b<\/strong><\/h3>\n<p>java.util.Date \u5c31\u662f\u5728\u9664\u4e86SQL\u8bed\u53e5\u7684\u60c5\u51b5\u4e0b\u9762\u4f7f\u7528\uff0cjava.sql.Date\u548cjava.sql.Timestamp\u662f\u9488\u5bf9SQL\u8bed\u53e5\u4f7f\u7528\u7684\u3002<\/p>\n<p>\u7528\u4e8esql(\u6570\u636e\u5e93)\u7684\uff1ajava.sql.Date\u53ea\u80fd\u5b58\u653e\u5e74\u6708\u65e5\uff0cjava.sql.Timestamp\u80fd\u5b58\u653e\u5e74\u6708\u65e5\u65f6\u5206\u79d2<\/p>\n<p>\u7528\u4e8e\u975esql\u7684\uff1ajava.util.Date\u80fd\u591f\u5b58\u653e\u5e74\u6708\u65e5\u65f6\u5206\u79d2<\/p>\n<h3 class=\"wp-block-heading\"><strong>2. <\/strong><strong>\u8054\u7cfb<\/strong><\/h3>\n<p>java.util.Date\u662fjava.sql.Date\u548cjava.sql.Timestamp\u7684\u7236\u7c7b\u3002<\/p>\n<p>java.util.Date\u4e0ejava.sql.Date\u3001java.sql.Timestamp\u4e09\u8005\u53ef\u4ee5\u901a\u8fc7\u83b7\u53d6\u65f6\u95f4\u6233\u8fdb\u884c\u8f6c\u6362\uff0c\u4e5f\u5c31\u662fgetTime()\u65b9\u6cd5<\/p>\n<p>java.sql.Date dateA = new java.sql.Date(new java.util.Date().getTime())<\/p>\n<p>java.sql.Timestamp dateB = new java.sql.Timestamp(new java.util.Date().getTime())<\/p>\n<p>java.sql.Date\u548cjava.sql.Timestamp\u5b9e\u4f8b\u5316\u65f6\u90fd\u9700\u8981\u4e00\u4e2a\u65f6\u95f4\u6233\u53c2\u6570\uff0c\u5982\u679c\u73b0\u5728\u6709java.sql.Date\u7c7b\u578b\u7684dateA\uff0cjava.sql.Timestamp\u7c7b\u578b\u7684dateB\u3002\u5219\u6709\uff1a<\/p>\n<p>java.util.Date date = new java.util.Data(dateA.getTime())<\/p>\n<p>java.util.Date date = new java.util.Data(dateB.getTime())<\/p>\n<p>\u53ea\u8981\u8bb0\u4f4f\u4e24\u70b9\uff1a<\/p>\n<p>\u00a0\u00a0\u00a0 1. \u4ed6\u4eec\u901a\u8fc7\u65f6\u95f4\u6233\u8fdb\u884c\u8f6c\u6362<\/p>\n<p>\u00a0\u00a0\u00a0 2. java.sql.Date\u548cjava.sql.Timestamp\u5b9e\u4f8b\u5316\u65f6\u90fd\u9700\u8981\u4e00\u4e2a\u65f6\u95f4\u6233\u53c2\u6570<\/p>\n<p>\u8fd9\u4e09\u4e2a\u90fd\u53ef\u4ee5\u88abSimpleDateFormat\u683c\u5f0f\u5316format\u3002<\/p>\n<p><strong>\u5ef6\u4f38\u9605\u8bfb\uff1a<\/strong><\/p>\n<h2 class=\"wp-block-heading\"><strong>\u4e8c\u3001Django \u662f\u4ec0\u4e48<\/strong><\/h2>\n<p>Django \u662f\u4e00\u4e2a\u9ad8\u7ea7\u7684 Python \u7f51\u7edc\u6846\u67b6\uff0c\u53ef\u4ee5\u5feb\u901f\u5f00\u53d1\u5b89\u5168\u548c\u53ef\u7ef4\u62a4\u7684\u7f51\u7ad9\u3002\u7531\u7ecf\u9a8c\u4e30\u5bcc\u7684\u5f00\u53d1\u8005\u6784\u5efa\uff0cDjango \u8d1f\u8d23\u5904\u7406\u7f51\u7ad9\u5f00\u53d1\u4e2d\u9ebb\u70e6\u7684\u90e8\u5206\uff0c\u56e0\u6b64\u4f60\u53ef\u4ee5\u4e13\u6ce8\u4e8e\u7f16\u5199\u5e94\u7528\u7a0b\u5e8f\uff0c\u800c\u65e0\u9700\u91cd\u65b0\u5f00\u53d1\u3002 \u5b83\u662f\u514d\u8d39\u548c\u5f00\u6e90\u7684\uff0c\u6709\u6d3b\u8dc3\u7e41\u8363\u7684\u793e\u533a\uff0c\u4e30\u5bcc\u7684\u6587\u6863\uff0c\u4ee5\u53ca\u5f88\u591a\u514d\u8d39\u548c\u4ed8\u8d39\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<p>Django \u53ef\u4ee5\u4f7f\u4f60\u7684\u5e94\u7528\u5177\u6709\u4ee5\u4e0b\u4f18\u70b9\uff1a<\/p>\n<p><strong>\u5b8c\u5907\u6027<\/strong><\/p>\n<p>Django \u9075\u5faa\u201c\u529f\u80fd\u5b8c\u5907\u201d\u7684\u7406\u5ff5\uff0c\u63d0\u4f9b\u5f00\u53d1\u4eba\u5458\u53ef\u80fd\u60f3\u8981\u201c\u5f00\u7bb1\u5373\u7528\u201d\u7684\u51e0\u4e4e\u6240\u6709\u529f\u80fd\u3002\u56e0\u4e3a\u4f60\u9700\u8981\u7684\u4e00\u5207\u90fd\u662f\u4e00\u4e2a\u201d\u4ea7\u54c1\u201c\u7684\u4e00\u90e8\u5206\uff0c\u5b83\u4eec\u90fd\u53ef\u4ee5\u65e0\u7f1d\u7ed3\u5408\u5728\u4e00\u8d77\uff0c\u9075\u5faa\u4e00\u81f4\u6027\u8bbe\u8ba1\u539f\u5219\uff0c\u5e76\u4e14\u5177\u6709\u5e7f\u6cdb\u548c\u6700\u65b0\u7684\u6587\u6863\u3002<\/p>\n<p><strong>\u901a\u7528\u6027<\/strong><\/p>\n<p>Django 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Django\u3002<\/p>\n<p>\u5728\u5185\u90e8\uff0c\u5c3d\u7ba1\u5b83\u4e3a\u51e0\u4e4e\u6240\u6709\u53ef\u80fd\u9700\u8981\u7684\u529f\u80fd\uff08\u4f8b\u5982\u51e0\u4e2a\u6d41\u884c\u7684\u6570\u636e\u5e93\uff0c\u6a21\u7248\u5f15\u64ce\u7b49\uff09\u63d0\u4f9b\u4e86\u9009\u62e9\uff0c\u4f46\u662f\u5982\u679c\u9700\u8981\uff0c\u5b83\u4e5f\u53ef\u4ee5\u6269\u5c55\u5230\u4f7f\u7528\u5176\u4ed6\u7ec4\u4ef6\u3002<\/p>\n<p><strong>\u5b89\u5168\u6027<\/strong><\/p>\n<p>Django \u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u901a\u8fc7\u63d0\u4f9b\u4e00\u4e2a\u88ab\u8bbe\u8ba1\u4e3a\u201c\u505a\u6b63\u786e\u7684\u4e8b\u60c5\u201d\u6765\u81ea\u52a8\u4fdd\u62a4\u7f51\u7ad9\u7684\u6846\u67b6\u6765\u907f\u514d\u8bb8\u591a\u5e38\u89c1\u7684\u5b89\u5168\u9519\u8bef\u3002\u4f8b\u5982\uff0cDjango \u63d0\u4f9b\u4e86\u4e00\u79cd\u5b89\u5168\u7684\u65b9\u5f0f\u6765\u7ba1\u7406\u7528\u6237\u8d26\u6237\u548c\u5bc6\u7801\uff0c\u907f\u514d\u4e86\u5e38\u89c1\u7684\u9519\u8bef\uff0c\u6bd4\u5982\u5c06 session \u653e\u5728 cookie \u4e2d\u8fd9\u79cd\u6613\u53d7\u653b\u51fb\u7684\u505a\u6cd5\uff08\u53d6\u800c\u4ee3\u4e4b\u7684\u662f cookies \u53ea\u5305\u542b\u4e00\u4e2a\u5bc6\u94a5\uff0c\u5b9e\u9645\u6570\u636e\u5b58\u50a8\u5728\u6570\u636e\u5e93\u4e2d\uff09\u6216\u76f4\u63a5\u5b58\u50a8\u5bc6\u7801\u800c\u4e0d\u662f\u5bc6\u7801\u54c8\u5e0c\u3002<\/p>\n<p>\u5bc6\u7801\u54c8\u5e0c\u662f\u901a\u8fc7\u5bc6\u7801\u6563\u5217\u51fd\u6570\u53d1\u9001\u5bc6\u7801\u800c\u521b\u5efa\u7684\u56fa\u5b9a\u957f\u5ea6\u503c\u3002Django \u80fd\u901a\u8fc7\u8fd0\u884c\u54c8\u5e0c\u51fd\u6570\u6765\u68c0\u67e5\u8f93\u5165\u7684\u5bc6\u7801 \u2013 \u5c31\u662f \u2013 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