{"id":151215,"date":"2020-09-01T01:54:39","date_gmt":"2020-08-31T17:54:39","guid":{"rendered":"http:\/\/4563.org\/?p=151215"},"modified":"2020-09-01T01:54:39","modified_gmt":"2020-08-31T17:54:39","slug":"java-%e9%87%8c%e6%9c%89%e4%bb%80%e4%b9%88%e5%8f%af%e4%bb%a5%e6%8a%8a%e4%b8%80%e4%b8%aa-bigdecimal-%e8%bd%ac%e6%88%90%e8%bf%99%e6%a0%b7%e7%9a%84%e6%a0%bc%e5%bc%8f","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=151215","title":{"rendered":"Java \u91cc\u6709\u4ec0\u4e48\u53ef\u4ee5\u628a\u4e00\u4e2a BigDecimal \u8f6c\u6210\u8fd9\u6837\u7684\u683c\u5f0f"},"content":{"rendered":"
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Java \u91cc\u6709\u4ec0\u4e48\u53ef\u4ee5\u628a\u4e00\u4e2a BigDecimal \u8f6c\u6210\u8fd9\u6837\u7684\u683c\u5f0f <\/h1>\n

<\/p>\n

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\u8cc7\u6df1\u5927\u4f6c : rqxiao <\/span> <\/i> 18<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u4ea4\u6613\u91d1\u989d\uff0c\u5355\u4f4d\u4e3a\u5206\uff0c\u5de6\u8865 0 \u81f3\u8865\u9f50 12 \u4f4d\uff0c\u4f8b\u5982 000000000001 \u8868\u793a 1 \u5206\uff0c000000000100 \u8868\u793a 1 \u5143\u3002<\/p>\n<\/p><\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (9<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : selca <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8f6c\u6210 String \u60f3\u600e\u4e48\u641e\u600e\u4e48\u641e <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : k9990009 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u81ea\u5df1\u5904\u7406\uff0c\u8fd4\u56de\u7684\u662f json \u7684\u8bdd\uff0c\u91cd\u5199 BigDecimal \u7684\u5e8f\u5217\u5316\u65b9\u6cd5\u5c31\u662f\u4e86 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : passerbytiny <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e0d\u7ba1\u539f\u6570\u636e\u662f\u5565\u7c7b\u578b\uff0c\u8865\u96f6\uff08\u6216\u8005\u4efb\u4f55\u683c\u5f0f\u5316\uff09\u540e\u5c31\u53d8\u6210 String \u7c7b\u578b\u4e86\uff0c\u6240\u4ee5\u683c\u5f0f\u5316\u81ea\u89c9\u4ea4\u7ed9 String \u4f53\u7cfb\u53bb\u5904\u7406\uff0cBigDecimal \u53ca\u4efb\u4f55\u6570\u5b57\u7c7b\u578b\u90fd\u4e0d\u7528\u7406\u4f1a\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : crystom <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    java \u7a0b\u5e8f\u5458\u4e5f\u60f3\u8981 leftpad [doge] <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : chendy <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    “`java
    DecimalFormat format = new DecimalFormat(“000000000000”);
    BigDecimal bigDecimal = new BigDecimal(100L);
    System.out.println(format.format(bigDecimal)); \/\/ 000000000100
    “` <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : airmour <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    new DecimalFormat(“000000000000”) <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : qwerthhusn <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    System.out.println(org.apache.commons.lang3.StringUtils.leftPad(“123”, 12, ‘0’)); <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : aguesuka <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    5 \u662f\u6700\u4f18\u7684\u3002
    \u6700\u7b80\u5355\u7684\u5e94\u8be5\u662f String.format(“%10f”, new BigDecimal(“100”)) <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : aguesuka <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6253\u9519\u5e94\u8be5\u662f\u8fd9\u4e2a String.format(“%010.0f”, new BigDecimal(100)) <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    Java \u91cc\u6709\u4ec0\u4e48\u53ef\u4ee5\u628a\u4e00\u4e2a Bi…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/151215"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=151215"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/151215\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=151215"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=151215"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=151215"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}