{"id":77,"date":"2023-02-13T10:36:57","date_gmt":"2023-02-13T02:36:57","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=77"},"modified":"2023-02-13T10:37:30","modified_gmt":"2023-02-13T02:37:30","slug":"bigdecimal-scale-setup","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2023\/02\/13\/bigdecimal-scale-setup\/","title":{"rendered":"BigDecimal\u7cbe\u5ea6scale\u8bbe\u5b9a"},"content":{"rendered":"<p>BigDecimal scale\u4e3a\u6b63\u6570\u8868\u793a\u4fdd\u7559\u5c0f\u6570\u4f4d\u6570\uff0c\u4e3a\u8d1f\u6570\u8868\u793a\u4fdd\u7559\u5230\u6574\u6570\u4f4d<\/p>\n<pre><code class=\"language-java\">BigDecimal a = new BigDecimal(12345678)\n        .divide(new BigDecimal(10000), -1, RoundingMode.HALF_UP);\nSystem.out.println(a.toPlainString());\nBigDecimal b = new BigDecimal(12345678)\n        .divide(new BigDecimal(10000), 0, RoundingMode.HALF_UP);\nSystem.out.println(b.toPlainString());\nBigDecimal c = new BigDecimal(12345678)\n        .divide(new BigDecimal(10000), 1, RoundingMode.HALF_UP);\nSystem.out.println(c.toPlainString());<\/code><\/pre>\n<pre><code>1230\n1235\n1234.6<\/code><\/pre>\n<pre><code class=\"language-java\">long a = new BigDecimal(12345678)\n        .divide(new BigDecimal(10000), -1, RoundingMode.HALF_UP)\n        .longValue();\nSystem.out.println(a);\nlong b = new BigDecimal(12345678)\n        .divide(new BigDecimal(10000), 0, RoundingMode.HALF_UP)\n        .longValue();\nSystem.out.println(b);\nlong c = new BigDecimal(12345678)\n        .divide(new BigDecimal(10000), 1, RoundingMode.HALF_UP)\n        .longValue();\nSystem.out.println(c);<\/code><\/pre>\n<pre><code>1230\n1235\n1234<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>BigDecimal scale\u4e3a\u6b63\u6570\u8868\u793a\u4fdd\u7559\u5c0f\u6570\u4f4d\u6570\uff0c\u4e3a\u8d1f\u6570\u8868\u793a\u4fdd\u7559\u5230\u6574\u6570\u4f4d BigDecimal a =  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[43],"tags":[],"class_list":["post-77","post","type-post","status-publish","format-standard","hentry","category-java-basic"],"_links":{"self":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/77","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/comments?post=77"}],"version-history":[{"count":0,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/77\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/media?parent=77"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/categories?post=77"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/tags?post=77"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}