{"id":458,"date":"2012-12-25T16:13:38","date_gmt":"2012-12-25T08:13:38","guid":{"rendered":"http:\/\/www.kiccleaf.com\/?p=458"},"modified":"2020-08-27T15:43:22","modified_gmt":"2020-08-27T07:43:22","slug":"java%e8%ae%a1%e7%ae%97%e4%b8%a4%e4%b8%aa%e6%97%a5%e6%9c%9f%e4%b9%8b%e9%97%b4%e7%9b%b8%e5%b7%ae%e7%9a%84%e5%a4%a9%e6%95%b0","status":"publish","type":"post","link":"http:\/\/www.kiccleaf.com\/?p=458","title":{"rendered":"JAVA\u8ba1\u7b97\u4e24\u4e2a\u65e5\u671f\u4e4b\u95f4\u76f8\u5dee\u7684\u5929\u6570"},"content":{"rendered":"<p>\u5728Java\u5f00\u53d1\u7269\u6d41\u6216\u662f\u5176\u4ed6\u529f\u80fd\u7684\u65f6\u5019\u4f1a\u7528\u5230\u4e24\u4e2a\u65e5\u671f\u76f8\u5dee\u591a\u5929\u7684\u6570\u636e\uff0c\u6240\u4ee5\u6574\u7406\u4e86\u4e00\u4e0b\u5907\u7528\u3002<\/p>\n<p>\u8c03\u7528\u65b9\u5f0f\uff1a<\/p>\n<pre class=\"brush: java; title: ; notranslate\" title=\"\">\r\nlong date1 = getDateTime(&quot;20121201&quot;);\/\/\u53ef\u6539\u6210\u81ea\u5df1\u7684\u65e5\u671f\u7c7b\u578b\uff0c\u4f46\u4ee5\u201c20121212\u201d\u8fd9\u79cd\u683c\u5f0f\r\nlong date2 = getDateTime(&quot;20121212&quot;);  \r\nint day = dateInterval(date1, date2);  \r\nSystem.out.println(day); \r\n<\/pre>\n<p>\u8f93\u51fa\uff1a11<\/p>\n<p>\u5177\u4f53\u5b9e\u73b0\u65b9\u6cd5\u8c03\u7528\uff1a<\/p>\n<pre class=\"brush: java; title: ; notranslate\" title=\"\">\r\n    \/** \r\n     * \u8ba1\u7b97\u51fa\u4e24\u4e2a\u65e5\u671f\u4e4b\u95f4\u76f8\u5dee\u7684\u5929\u6570 \r\n     * \u5efa\u8baedate1 \u5927\u4e8e date2 \u8fd9\u6837\u8ba1\u7b97\u7684\u503c\u4e3a\u6b63\u6570 \r\n     * @param date1 \u65e5\u671f1 \r\n     * @param date2 \u65e5\u671f2 \r\n     * @return date1 - date2 \r\n     *\/  \r\n    public static int dateInterval(long date1, long date2) {\r\n        if(date2 &gt; date1){\r\n            date2 = date2 + date1;\r\n            date1 = date2 - date1;\r\n            date2 = date2 - date1;\r\n        }\r\n \r\n         \/\/ Canlendar \u8be5\u7c7b\u662f\u4e00\u4e2a\u62bd\u8c61\u7c7b  \r\n         \/\/ \u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u65e5\u5386\u5b57\u6bb5 \r\n         \/\/ \u672c\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u5230\u4e86 \r\n         \/\/ Calendar.YEAR    \u65e5\u671f\u4e2d\u7684\u5e74\u4efd \r\n         \/\/ Calendar.DAY_OF_YEAR     \u5f53\u524d\u5e74\u4e2d\u7684\u5929\u6570 \r\n         \/\/ getActualMaximum(Calendar.DAY_OF_YEAR) \u8fd4\u56de\u4eca\u5e74\u662f 365 \u5929\u8fd8\u662f366\u5929 \r\n        Calendar calendar1 = Calendar.getInstance(); \/\/ \u83b7\u5f97\u4e00\u4e2a\u65e5\u5386  \r\n        calendar1.setTimeInMillis(date1); \/\/ \u7528\u7ed9\u5b9a\u7684 long \u503c\u8bbe\u7f6e\u6b64 Calendar \u7684\u5f53\u524d\u65f6\u95f4\u503c\u3002  \r\n          \r\n        Calendar calendar2 = Calendar.getInstance();\r\n        calendar2.setTimeInMillis(date2);\r\n        \/\/ \u5148\u5224\u65ad\u662f\u5426\u540c\u5e74  \r\n        int y1 = calendar1.get(Calendar.YEAR);\r\n        int y2 = calendar2.get(Calendar.YEAR);\r\n          \r\n        int d1 = calendar1.get(Calendar.DAY_OF_YEAR);\r\n        int d2 = calendar2.get(Calendar.DAY_OF_YEAR);\r\n        int maxDays = 0;\r\n        int day = 0;\r\n        if(y1 - y2 &gt; 0){\r\n            day = numerical(maxDays, d1, d2, y1, y2, calendar2);\r\n        }else{\r\n            day = d1 - d2;\r\n        }\r\n        return day;\r\n    }  \r\n      \r\n    \/** \r\n     * \u65e5\u671f\u95f4\u9694\u8ba1\u7b97 \r\n     * \u8ba1\u7b97\u516c\u5f0f(\u793a\u4f8b): \r\n     *      20121201- 20121212\r\n     *      \u53d6\u51fa20121201\u8fd9\u4e00\u5e74\u8fc7\u4e86\u591a\u5c11\u5929 d1 = \u5929\u6570  \u53d6\u51fa20121212\u8fd9\u4e00\u5e74\u8fc7\u4e86\u591a\u5c11\u5929 d2 = \u5929\u6570\r\n     *      \u5982\u679c2012\u5e74\u8fd9\u4e00\u5e74\u6709366\u5929\u5c31\u8981\u8ba9\u95f4\u9694\u7684\u5929\u6570+1\uff0c\u56e0\u4e3a2\u6708\u4efd\u670929\u65e5\u3002 \r\n     * @param maxDays   \u7528\u4e8e\u8bb0\u5f55\u4e00\u5e74\u4e2d\u6709365\u5929\u8fd8\u662f366\u5929 \r\n     * @param d1    \u8868\u793a\u5728\u8fd9\u5e74\u4e2d\u8fc7\u4e86\u591a\u5c11\u5929 \r\n     * @param d2    \u8868\u793a\u5728\u8fd9\u5e74\u4e2d\u8fc7\u4e86\u591a\u5c11\u5929 \r\n     * @param y1    \u5f53\u524d\u4e3a2012\u5e74 \r\n     * @param y2    \u5f53\u524d\u4e3a2012\u5e74 \r\n     * @param calendar  \u6839\u636e\u65e5\u5386\u5bf9\u8c61\u6765\u83b7\u53d6\u4e00\u5e74\u4e2d\u6709\u591a\u5c11\u5929 \r\n     * @return  \u8ba1\u7b97\u540e\u65e5\u671f\u95f4\u9694\u7684\u5929\u6570 \r\n     *\/  \r\n    public static int numerical(int maxDays, int d1, int d2, int y1, int y2, Calendar calendar){\r\n        int day = d1 - d2;\r\n        int betweenYears = y1 - y2;\r\n        List&lt;Integer&gt; d366 = new ArrayList&lt;Integer&gt;();\r\n          \r\n        if(calendar.getActualMaximum(Calendar.DAY_OF_YEAR) == 366){\r\n            System.out.println(calendar.getActualMaximum(Calendar.DAY_OF_YEAR));\r\n            day += 1;\r\n        }\r\n          \r\n        for (int i = 0; i &lt; betweenYears; i++) {\r\n            \/\/ \u5f53\u5e74 + 1 \u8bbe\u7f6e\u4e0b\u4e00\u5e74\u4e2d\u6709\u591a\u5c11\u5929  \r\n            calendar.set(Calendar.YEAR, (calendar.get(Calendar.YEAR)) + 1);\r\n            maxDays = calendar.getActualMaximum(Calendar.DAY_OF_YEAR);\r\n            \/\/ \u7b2c\u4e00\u4e2a 366 \u5929\u4e0d\u7528 + 1 \u5c06\u6240\u6709366\u8bb0\u5f55\uff0c\u5148\u4e0d\u8fdb\u884c\u52a0\u5165\u7136\u540e\u518d\u5c11\u52a0\u4e00\u4e2a  \r\n            if(maxDays != 366){\r\n                day += maxDays;\r\n            }else{\r\n                d366.add(maxDays);\r\n            }\r\n            \/\/ \u5982\u679c\u6700\u540e\u4e00\u4e2a maxDays \u7b49\u4e8e366 day - 1  \r\n            if(i == betweenYears-1 &amp;&amp; betweenYears &gt; 1 &amp;&amp; maxDays == 366){\r\n                day -= 1;\r\n            }\r\n        }\r\n          \r\n        for(int i = 0; i &lt; d366.size(); i++){\r\n            \/\/ \u4e00\u4e2a\u6216\u4e00\u4e2a\u4ee5\u4e0a\u7684366\u5929  \r\n            if(d366.size() &gt;= 1){\r\n                day += d366.get(i);\r\n            } \r\n        }  \r\n        return day;\r\n    }\r\n      \r\n    \/** \r\n     * \u5c06\u65e5\u671f\u5b57\u7b26\u4e32\u88c5\u6362\u6210\u65e5\u671f \r\n     * @param strDate   \u65e5\u671f\u652f\u6301\u5e74\u6708\u65e5 \u793a\u4f8b:yyyyMMdd \r\n     * @return  1970\u5e741\u67081\u65e5\u5668\u65e5\u671f\u7684\u6beb\u79d2\u6570 \r\n     *\/  \r\n    public static long getDateTime(String strDate) {\r\n        return getDateByFormat(strDate, &quot;yyyyMMdd&quot;).getTime();\r\n    }\r\n      \r\n    \/** \r\n     * @param strDate   \u65e5\u671f\u5b57\u7b26\u4e32 \r\n     * @param format    \u65e5\u671f\u683c\u5f0f \r\n     * @return      Date \r\n     *\/  \r\n    public static Date getDateByFormat(String strDate, String format) {\r\n        SimpleDateFormat sdf = new SimpleDateFormat(format);\r\n        try{\r\n            return (sdf.parse(strDate));\r\n        }catch (Exception e){\r\n            return null;\r\n        }\r\n    }\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5728Java\u5f00\u53d1\u7269\u6d41\u6216\u662f\u5176\u4ed6\u529f\u80fd\u7684\u65f6\u5019\u4f1a\u7528\u5230\u4e24\u4e2a\u65e5\u671f&#8230;<\/p>\n<div class=\"more-link-wrapper\"><a class=\"more-link\" href=\"http:\/\/www.kiccleaf.com\/?p=458\">Continue reading<span class=\"screen-reader-text\">JAVA\u8ba1\u7b97\u4e24\u4e2a\u65e5\u671f\u4e4b\u95f4\u76f8\u5dee\u7684\u5929\u6570<\/span><\/a><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"iawp_total_views":0,"footnotes":""},"categories":[7],"tags":[91,101,102],"class_list":["post-458","post","type-post","status-publish","format-standard","hentry","category-7","tag-java","tag-101","tag-102","entry"],"views":56792,"_links":{"self":[{"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=\/wp\/v2\/posts\/458","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=458"}],"version-history":[{"count":1,"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=\/wp\/v2\/posts\/458\/revisions"}],"predecessor-version":[{"id":693,"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=\/wp\/v2\/posts\/458\/revisions\/693"}],"wp:attachment":[{"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=458"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=458"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.kiccleaf.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=458"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}