{"id":159853,"date":"2020-09-24T07:44:53","date_gmt":"2020-09-23T23:44:53","guid":{"rendered":"http:\/\/4563.org\/?p=159853"},"modified":"2020-09-24T07:44:53","modified_gmt":"2020-09-23T23:44:53","slug":"%e6%88%91%e6%9c%89%e4%b8%aa%e4%b8%80%e4%b8%aa%e4%bf%9d%e7%95%99-2-%e4%bd%8d%e5%b0%8f%e6%95%b0%e7%9a%84%e6%b5%ae%e7%82%b9%e6%95%b0%e9%9c%80%e8%a6%81%e4%bf%9d%e5%ad%98%ef%bc%8c-%e6%88%91%e6%98%af","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=159853","title":{"rendered":"\u6211\u6709\u4e2a\u4e00\u4e2a\u4fdd\u7559 2 \u4f4d\u5c0f\u6570\u7684\u6d6e\u70b9\u6570\u9700\u8981\u4fdd\u5b58\uff0c \u6211\u662f\u628a\u5b83\u4e58\u4ee5 100\uff0c\u6309\u7167 int \u5b58\uff0c\u8fd8\u662f\u6309\u7167 decimal(4,2)\u6765\u5b58\uff1f"},"content":{"rendered":"
\n
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\u6211\u6709\u4e2a\u4e00\u4e2a\u4fdd\u7559 2 \u4f4d\u5c0f\u6570\u7684\u6d6e\u70b9\u6570\u9700\u8981\u4fdd\u5b58\uff0c \u6211\u662f\u628a\u5b83\u4e58\u4ee5 100\uff0c\u6309\u7167 int \u5b58\uff0c\u8fd8\u662f\u6309\u7167 decimal(4,2)\u6765\u5b58\uff1f <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : hackingwu <\/span> <\/i> 2<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u6211\u6709\u4e00\u4e2a\u5b57\u6bb5\u8981\u4fdd\u7559 2 \u4f4d\u5c0f\u6570\uff0c\u6211\u662f\u6309\u7167 decimal(4,2)\u6765\u5b58\uff0c\u8fd8\u662f\u4e58\u4ee5 100\uff0c\u6309\u7167 int \u6765\u5b58\uff0c\u8fd4\u56de\u7ed9\u4f7f\u7528\u8005\u7684\u65f6\u5019\u5728\u505a\u4e2a\u8f6c\u6362\u3002\u76ee\u7684\u662f decimal(4,2)\u5360\u4e86 8bytes\uff0cint \u624d 4bytes\uff0c \u6211\u8fd9\u4e2a\u8868\u6709 10 \u6765\u4e2a decimal \u7684\u5b57\u6bb5\u3002<\/p>\n<\/p><\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (26<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : opengps <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5176\u5b9e\uff0c\u5bf9\u4e8e\u4f60\u7684\u6570\u636e\u89c4\u6a21\u6765\u8bb2\uff0c\u672a\u5fc5\u9700\u8981\u5728\u4e4e\u8fd9 2 \u4e2a\u5b57\u8282\u7684\u8282\u7701
    \u5efa\u8bae\u4f60\u5148\u8bc4\u4f30\u4e0b\u6570\u636e\u89c4\u6a21\u6709\u591a\u5927\uff0c\u662f\u5426\u771f\u7684\u9700\u8981\u7701\u7a7a\u95f4\uff0c\u7136\u540e\u624d\u8003\u8651\u662f\u5426\u53ef\u4ee5\u7528 cpu \u6362\u786c\u76d8 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : opengps <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6362\u53e5\u8bdd\u8bf4\uff0c\u786c\u76d8\u6bd4 CPU \u4fbf\u5b9c\uff0c\u4e00\u822c\u63a8\u8350\u5b58\u50a8\u4e0a\u9009\u7528\u6700\u65b9\u4fbf\u7684\u6570\u636e\u7ed3\u6784\u3002
    \u4f60\u786c\u76d8\u7d27\u5f20\u5c31\u628a\u8868\u8bbe\u8ba1\u7684\u7d27\u51d1\u70b9\uff0cCPU \u7d27\u5f20\u5c31\u5c3d\u91cf\u5c11\u505a\u8fd0\u7b97 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : wangritian <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6211\u662f\u4e58\u4ee5 100 \u5b58\u6574\u6570\u4e86\uff0c\u611f\u89c9\u505a\u7edf\u8ba1\u8ba1\u7b97\u65f6\u6bd4\u6d6e\u70b9\u6570\u901f\u5ea6\u4f1a\u5feb\u4e00\u70b9 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : coderluan <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4f60\u4e0d\u8bf4\u5177\u4f53\u573a\u666f\u548c\u76ee\u7684, \u90a3\u5c31\u662f\u90fd\u884c. <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : securityCoding <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    int\/long , \u6765\u81ea\u4e92\u91d1\u516c\u53f8\u7684\u7ecf\u9a8c <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : redtea <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8d77\u7801\u4e58 10000\uff0c\u5426\u5219\u54ea\u5929\u6539\u6210\u4fdd\u7559 4 \u4f4d\uff0c\u90a3\u5c31\u592a\u9ebb\u70e6\u4e86\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : la2la <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @redtea \u54c8\u54c8\uff0c\u771f\u5b9e <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : wysnylc <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4f60\u731c decimal \u4e3a\u4ec0\u4e48\u8981\u88ab\u53d1\u660e\u51fa\u6765? <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : keepeye <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6d89\u53ca\u5230\u94b1\u7684\u6700\u597d\u5b58\u6574\u6570 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : zpfhbyx <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @securityCoding \u540c\u6765\u81ea\u524d\u4e92\u91d1\u516c\u53f8\u7684\u7ecf\u9a8c decimal 18,6 bcmath \u5904\u7406 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : IvanLi127 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u54ea\u5929\u6362\u7b97\u9519\u4e86\u5c31\u5b8c\u4e86\uff0c\u8fd8\u662f\u5b58 decimal \u5427 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : mxT52CRuqR6o5 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8981\u770b\u5177\u4f53\u4e1a\u52a1\u7684 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : xuanbg <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    decimal \u5c31\u662f\u5e72\u8fd9\u4e2a\u7684 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : May725 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8003\u8651\u5177\u4f53\u4e1a\u52a1\u3001\u9884\u4f30\u6570\u636e\u89c4\u6a21\u3001\u4ee5\u53ca\u5c06\u6765\u53ef\u80fd\u7684\u9700\u6c42\u53d8\u5316\uff0c\u7efc\u5408\u8003\u8651\u5427 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : reus <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u7528 decimal \u4e0d\u9700\u8981\u8bb0\u5f97\u6362\u7b97\uff0c\u4e0d\u8bb0\u5f97\u6362\u7b97\u7684\u8bdd\uff0c\u53ef\u80fd\u4f1a\u6709\u767e\u500d\u7684\u635f\u5931\u3002
    \u5f53\u7136\u9009 decimal\uff0c\u5b58\u50a8\u5f88\u8d35\u5417\uff1f\u4f60\u7701\u4e0b\u7684\u5b58\u50a8\uff0c\u90fd\u53d8\u6210\u4e86\u6f5c\u5728\u7684\u98ce\u9669\uff0c\u6709\u4ee3\u4ef7\u7684\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : KarlChen2015 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u663e\u7136\u9009\u62e9 decimal
    \u5982\u679c\u4e00\u4e2a\u65b0\u4eba\u4e0d\u77e5\u9053\u2716\ufe0f100 \u7684\u8bbe\u8ba1\uff0c\u540e\u679c\u4e0d\u582a\u8bbe\u60f3 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : winglight2016 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @KarlChen2015 \u6211\u60f3\u8d77\u4e4b\u524d\u5728 v2 \u4e0a\u5c31\u6709\u4e2a\u5b9e\u4e60\u751f\u53d1\u4e86\u4e00\u4e2a\u5e16\u5b50\u8bf4\u81ea\u5df1\u8ba1\u7b97\u6c47\u7387\u5fd8\u8bb0\u8fd9\u4e2a*100 \u7684\u64cd\u4f5c\uff0c\u7ed9\u516c\u53f8\u9020\u6210\u4e86\u4e0a\u5343\u4e07\u7684\u635f\u5931\u3002\u3002\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : InkStone <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e0d\u9700\u8981\u6781\u9650\u538b\u69a8\u6027\u80fd\u548c\u5b58\u50a8\u7684\u8bdd\uff0c\u80af\u5b9a\u662f\u600e\u4e48\u76f4\u89c2\u600e\u4e48\u6765\uff0c\u4e0d\u8981\u6dfb\u52a0\u989d\u5916\u7684\u601d\u7ef4\u8d1f\u62c5 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : daozhihun <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u66fe\u7ecf\u505a\u8fc7\u7684\u67d0\u8d1f\u8d23\u5904\u7406\u94b1\u7684\u6a21\u5757\u90fd\u662f\u5b58\u7684 decimal \u3002\u5f53\u7136\u5b58 long\/int \u4e5f\u53ef\u4ee5\uff08\u5efa\u8bae\u4e58\u4ee5 10000 \u6216\u8005 1000000 \uff09\uff0c\u53ef\u4ee5\u63d0\u5347\u4e00\u70b9\u6027\u80fd\uff0c\u4f46\u4e2a\u4eba\u8ba4\u4e3a\u73b0\u5728\u7684\u5904\u7406\u80fd\u529b\u4e0d\u7528\u8003\u8651\u90a3\u70b9\u6027\u80fd\uff0c\u4e2a\u4eba\u8fd8\u662f\u504f\u597d decimal <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Chappako <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @zpfhbyx #10 \u540c decimal + bcmath \u5904\u7406 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : cedoo22 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e0d\u7ba1\u4ec0\u4e48\u573a\u666f\uff0c \u76f4\u63a5\u6309\u7c7b\u578b\u5b58\u5427\u3002
    decimal \u53d1\u660e\u51fa\u6765 \u4e0d\u5c31\u662f\u4e3a\u4e86\u5904\u7406\u6d6e\u70b9\u6570\u7684\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Veneris <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4ee5\u5fae\u4fe1\u548c\u7f8e\u56e2\u7684\u6570\u636e\u7ed3\u6784\u770b\uff0c\u90fd\u662f\u4ee5\u5206\u505a\u5355\u4f4d\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : newmlp <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5efa\u8bae decimal\uff0cint \u5bb9\u6613\u51fa bug\uff0c\u5230\u5904\u90fd\u8981\u6362\u7b97\uff0c\u4e07\u4e00\u54ea\u91cc\u5fd8\u4e86\u627e\u8d77\u6765\u4e5f\u9ebb\u70e6 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : liprais <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8ddf\u94b1\u6709\u5173\u7684\u4e0d\u7528 decimal \u662f\u771f\u7684\u5fc3\u5927 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : lululau <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    int*100 \u662f\u7a7a\u95f4\u548c\u65f6\u95f4\u517c\u5f97\u5427\uff0c\u7f3a\u70b9\u662f\u9700\u8981\u81ea\u5df1\u6362\u7b97\u500d\u6570\u5173\u7cfb\uff0c\u4f46\u662f\u4ece\u8fd0\u884c\u6548\u7387\u4e0a\u8bb2\uff0cint*100 \u5e94\u8be5\u6bd4 bigdecimal \u5feb\u5427 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : sheeta <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u770b\u770b\u817e\u8baf\uff0c\u652f\u4ed8\u5b9d\u5b83\u4eec\u662f\u600e\u4e48\u505a\u7684\u4e0d\u5c31\u884c\u4e86\u5457 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    \u6211\u6709\u4e2a\u4e00\u4e2a\u4fdd\u7559 2 \u4f4d\u5c0f\u6570\u7684\u6d6e\u70b9\u6570…<\/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\/159853"}],"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=159853"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/159853\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=159853"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=159853"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=159853"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}