{"id":948,"date":"2018-09-17T18:43:54","date_gmt":"2018-09-17T09:43:54","guid":{"rendered":"https:\/\/chat-messenger.com\/?p=948"},"modified":"2019-07-01T00:27:48","modified_gmt":"2019-06-30T15:27:48","slug":"date-difference","status":"publish","type":"post","link":"https:\/\/chat-messenger.com\/zh\/\u535a\u5ba2\/java\/\u65e5\u671f\u5dee\u5f02","title":{"rendered":"Java \u627e\u51fa\u4e24\u4e2a\u65e5\u671f\u4e4b\u95f4\u7684\u5dee\u503c"},"content":{"rendered":"<h2 class=\"common_title\"><a name=\"0\">Java \u627e\u51fa\u4e24\u4e2a\u65e5\u671f\u4e4b\u95f4\u7684\u5dee\u503c<\/a><\/h2>\n<p>\n\u5728 Java \u4e2d\uff0c\u6709\u4e24\u4e2a<strong>\u65e5\u671f\u5dee\u5f02<\/strong>\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\u7a0b\u5e8f\uff0c\u7528\u4e8e\u67e5\u627e<br \/>\n\u793a\u4f8b\u7a0b\u5e8f\u652f\u6301\u8981\u6bd4\u8f83\u7684\u65e5\u671f\u4e3a\u5b57\u7b26\u4e32\uff08yyyy\/MM\/dd\uff09\u7684\u60c5\u51b5\u3002\n<\/p>\n<p><strong>\u65e5\u671f\u5dee\u5f02<\/strong>\u7528\u4e8e\u786e\u5b9a<\/p>\n<ol>\n<li>\u524d\u4e24\u4e2a\u65e5\u671f\u88ab\u8f6c\u6362\u4e3a\u957f\u6570\u503c\u3002<br \/>\n    *\u8fd9\u4e2a\u957f\u503c\u662f\u81ea\u683c\u6797\u5c3c\u6cbb\u6807\u51c6\u65f6\u95f4 1970 \u5e74 1 \u6708 1 \u65e5 00:00:00 \u8d77\u7ecf\u8fc7\u7684\u6beb\u79d2\u6570\u3002<\/li>\n<li>\u7136\u540e\u786e\u5b9a\u5dee\u503c\u3002<\/li>\n<li>\u5c06\u4e0a\u8ff0\u8ba1\u7b97\u7ed3\u679c\u9664\u4ee5\u4e00\u5929\u4e2d\u7684\u5c0f\u65f6\u6570\uff0c\u5373\u53ef\u5f97\u51fa\u65e5\u671f\u5dee\u3002<br \/>\n    \u4e00\u5929\uff0824 \u5c0f\u65f6\uff09\u4e3a 86,400,000 \u6beb\u79d2\u3002<\/li>\n<\/ol>\n<h2 class=\"common_title\"><a name=\"1\">\u6837\u672c\u6e90<\/a><\/h2>\n<p><textarea readonly=\"readonly\" style=\"font-size: 13px;height: 600px;\" class=\"src\" onclick=\"this.focus();this.select()\">\/**<br \/>\n * 2\u3064\u306e\u65e5\u4ed8\u306e\u5dee\u3092\u6c42\u3081\u307e\u3059\u3002<br \/>\n * \u65e5\u4ed8\u6587\u5b57\u5217 strDate1 &#8211; strDate2 \u304c\u4f55\u65e5\u304b\u3092\u8fd4\u3057\u307e\u3059\u3002<br \/>\n *<br \/>\n * @param strDate1    \u65e5\u4ed8\u6587\u5b57\u5217 yyyy\/MM\/dd<br \/>\n * @param strDate2    \u65e5\u4ed8\u6587\u5b57\u5217 yyyy\/MM\/dd<br \/>\n * @return    2\u3064\u306e\u65e5\u4ed8\u306e\u5dee<br \/>\n * @throws ParseException \u65e5\u4ed8\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u304c\u4e0d\u6b63\u306a\u5834\u5408<br \/>\n *\/<br \/>\npublic static int differenceDays(String strDate1,String strDate2)<br \/>\n    throws ParseException {<br \/>\n    Date date1 = DateFormat.getDateInstance().parse(strDate1);<br \/>\n    Date date2 = DateFormat.getDateInstance().parse(strDate2);<br \/>\n    return differenceDays(date1,date2);<br \/>\n}<br \/>\n\/**<br \/>\n * 2\u3064\u306e\u65e5\u4ed8\u306e\u5dee\u3092\u6c42\u3081\u307e\u3059\u3002<br \/>\n * java.util.Date \u578b\u306e\u65e5\u4ed8 date1 &#8211; date2 \u304c\u4f55\u65e5\u304b\u3092\u8fd4\u3057\u307e\u3059\u3002<br \/>\n *<br \/>\n * \u8a08\u7b97\u65b9\u6cd5\u306f\u4ee5\u4e0b\u3068\u306a\u308a\u307e\u3059\u3002<br \/>\n * 1.\u6700\u521d\u306b2\u3064\u306e\u65e5\u4ed8\u3092 long \u5024\u306b\u5909\u63db\u3057\u307e\u3059\u3002<br \/>\n * \u3000\u203b\u3053\u306e long \u5024\u306f 1970 \u5e74 1 \u6708 1 \u65e5 00:00:00 GMT \u304b\u3089\u306e<br \/>\n * \u3000\u7d4c\u904e\u30df\u30ea\u79d2\u6570\u3068\u306a\u308a\u307e\u3059\u3002<br \/>\n * 2.\u6b21\u306b\u305d\u306e\u5dee\u3092\u6c42\u3081\u307e\u3059\u3002<br \/>\n * 3.\u4e0a\u8a18\u306e\u8a08\u7b97\u3067\u51fa\u305f\u6570\u91cf\u3092 1 \u65e5\u306e\u6642\u9593\u3067\u5272\u308b\u3053\u3068\u3067<br \/>\n * \u3000\u65e5\u4ed8\u306e\u5dee\u3092\u6c42\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\n * \u3000\u203b1 \u65e5 ( 24 \u6642\u9593) \u306f\u300186,400,000 \u30df\u30ea\u79d2\u3067\u3059\u3002<br \/>\n *<br \/>\n * @param date1    \u65e5\u4ed8 java.util.Date<br \/>\n * @param date2    \u65e5\u4ed8 java.util.Date<br \/>\n * @return    2\u3064\u306e\u65e5\u4ed8\u306e\u5dee<br \/>\n *\/<br \/>\npublic static int differenceDays(Date date1,Date date2) {<br \/>\n    long datetime1 = date1.getTime();<br \/>\n    long datetime2 = date2.getTime();<br \/>\n    long one_date_time = 1000 * 60 * 60 * 24;<br \/>\n    long diffDays = (datetime1 &#8211; datetime2) \/ one_date_time;<br \/>\n    return (int)diffDays;<br \/>\n}<br \/>\n<\/textarea><\/p>\n<p><script type=\"text\/javascript\" src=\"https:\/\/chat-messenger.com\/js\/common.js?dd12sssas2223\" charset=\"UTF-8\"><\/script><br \/>\n<script type=\"text\/javascript\"> writePR(); <\/script><\/p>\n<h2 class=\"common_title\"><a name=\"2\">\u6267\u884c<\/a><\/h2>\n<p>\u6267\u884c\u793a\u4f8b<\/p>\n<pre class=\"sample_src\">public static void main(String[] args) {\r\n    int ret = differenceDays(\"2008\/6\/2\", \"2008\/6\/1\")\uff1b\r\n    System.out.println(\"Result 1 = \"+ret)\uff1b\r\n\r\n    ret = differenceDays(\"2008\/6\/1\", \"2008\/6\/3\")\uff1b\r\n    System.out.println(\"Result 2 = \"+ret)\uff1b\r\n\r\n    \/\/ 5 \u6708 31 \u5929\r\n    ret = differenceDays(\"2008\/6\/1\", \"2008\/5\/1\")\uff1b\r\n    System.out.println(\"Result 3 = \"+ret)\uff1b\r\n\r\n    \/\/ \u516d\u6708\u4efd\u7684 30 \u5929\r\n    ret = differenceDays(\"2008\/7\/1\", \"2008\/6\/1\")\uff1b\r\n    System.out.println(\"Result 4 = \"+ret)\uff1b\r\n\r\n    \/\/ 2008 \u5e74\u662f\u95f0\u5e74\uff0c\u56e0\u6b64 2 \u6708\u7684\u7ed3\u675f\u65e5\u671f\u662f\u8be5\u6708\u7684\u7b2c 29 \u5929\r\n    ret = differenceDays(\"2008\/3\/1\", \"2008\/2\/28\")\uff1b\r\n    System.out.println(\"Result 5 = \"+ret)\uff1b\r\n}\r\n<\/pre>\n<p>\u6267\u884c\u7ed3\u679c<\/p>\n<pre class=\"console\">\u7ed3\u679c 1 = 1\r\n\u7ed3\u679c 2 = -2\r\n\u7ed3\u679c 3 = 31\r\n\u7ed3\u679c 4 = 30\r\n\u7ed3\u679c 5 = 2\r\n<\/pre>\n<p>\n\u6c42\u4e24\u4e2a\u65e5\u671f\u7684\u5dee\u503c\u76f8\u5bf9\u5bb9\u6613\uff0c\u4f46\u6c42\u6708\u6570\u7684\u5dee\u503c\u5219\u7a0d\u5177\u6311\u6218\u6027\u3002\u8bf7\u53c2\u8003\u4e0b\u6587\u3002<br \/>\n.\"<a href=\"https:\/\/chat-messenger.com\/zh\/\u535a\u5ba2\/java\/\u5dee\u6708\/\" title=\"Java \u627e\u51fa\u4e24\u4e2a\u65e5\u671f\u4e4b\u95f4\u7684\u6708\u6570\u5dee\">Java \u627e\u51fa\u4e24\u4e2a\u65e5\u671f\u4e4b\u95f4\u7684\u6708\u6570\u5dee<\/a>'<\/p>\n<p>\u8be5\u793a\u4f8b\u7a0b\u5e8f\u6765\u81ea Chat&amp;Messenger \u7684 \"<a href=\"https:\/\/chat-messenger.com\/zh\/\u624b\u518c\/schedule_calendar\/\u884c\u4e8b\u5386\/\" title=\"\u65e5\u5386\u548c\u65e5\u7a0b\u5b89\u6392\u529f\u80fd\">\u65e5\u5386\u548c\u65e5\u7a0b\u5b89\u6392\u529f\u80fd<\/a>\u8be5\u7cfb\u7edf\u5b9e\u9645\u7528\u4e8e\u4ee5\u4e0b\u9886\u57df\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>Java \u67e5\u627e\u4e24\u4e2a\u65e5\u671f\u4e4b\u95f4\u7684\u5dee\u5f02 \u4ecb\u7ecd\u4e00\u4e2a\u5728 Java \u4e2d\u67e5\u627e\u4e24\u4e2a\u65e5\u671f\u4e4b\u95f4\u7684\u5dee\u5f02\u7684\u793a\u4f8b\u7a0b\u5e8f\u3002\u6851[\u2026]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":""},"categories":[19],"tags":[],"_links":{"self":[{"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/posts\/948"}],"collection":[{"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/comments?post=948"}],"version-history":[{"count":8,"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/posts\/948\/revisions"}],"predecessor-version":[{"id":3655,"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/posts\/948\/revisions\/3655"}],"wp:attachment":[{"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/media?parent=948"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/categories?post=948"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chat-messenger.com\/zh\/wp-json\/wp\/v2\/tags?post=948"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}