{"id":149146,"date":"2020-08-18T06:54:51","date_gmt":"2020-08-17T22:54:51","guid":{"rendered":"http:\/\/4563.org\/?p=149146"},"modified":"2020-08-18T06:54:51","modified_gmt":"2020-08-17T22:54:51","slug":"%e6%9c%89%e4%bb%80%e4%b9%88%e5%a5%bd%e7%82%b9%e7%9a%84%e9%a1%ba%e5%ba%8f%e6%89%a3%e6%ac%be%e5%ae%9e%e7%8e%b0%e6%96%b9%e6%a1%88","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=149146","title":{"rendered":"\u6709\u4ec0\u4e48\u597d\u70b9\u7684\u987a\u5e8f\u6263\u6b3e\u5b9e\u73b0\u65b9\u6848"},"content":{"rendered":"
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\u6709\u4ec0\u4e48\u597d\u70b9\u7684\u987a\u5e8f\u6263\u6b3e\u5b9e\u73b0\u65b9\u6848 <\/h1>\n

<\/p>\n

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\u8cc7\u6df1\u5927\u4f6c : zxr615 <\/span> <\/i> 8<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u73b0\u5728\u8d27\u5e01\u4f53\u7cfb\u6709\uff1aQ \u5e01\u3001Q \u70b9\u3001\u70b9\u5238<\/p>\n

\u4f8b\u5c0f\u660e\u8d26\u6237\uff1aQ \u5e01\uff1a30Q \u70b9\uff1a20 \u70b9\u5238\uff1a60<\/p>\n

\u73b0\u5728\u6709\u4e00\u4e2a\u8ba2\u5355\u9700\u8981\u6263 100 \u5143\uff0c\u8981\u5b9e\u73b0\u987a\u5e8f\u6263\u6b3e\u6210\u529f\uff0c\u8981\u600e\u4e48\u5b9e\u73b0\u6bd4\u8f83\u597d\uff0c\u73b0\u5728\u7684\u5b9e\u73b0\u65b9\u5f0f\u611f\u89c9\u5f88\u50bb\u3002<\/p>\n

\u76ee\u524d\u7684\u5b9e\u73b0\u65b9\u6cd5\uff1a<\/p>\n

\u5e94\u6263\u4f59\u989d==100 \u5982\u679c\u8d26\u6237\u4f59\u989d\u52a0\u8d77\u6765\u90fd\u4e0d\u591f\uff0cfalse \u5982\u679c Q \u5e01\u8db3\u591f\uff0c\u5219\u6263\u9664 100 \u6263\u6b3e\u6210\u529f\uff0c\u5426\u5219\u6263\u53bb\u5168\u90e8 Q \u5e01\uff0c \u7ed3\u679c\uff1a\u5e94\u6263\u4f59\u989d==70 \u5982\u679c Q \u70b9\u5927\u4e8e\u5e94\u6263\u4f59\u989d\uff0c\u6263\u9664 Q \u70b9 70 \u8fd4\u56de\u6210\u529f\uff0c\u5426\u5219\u6263\u9664\u5168\u90e8 Q \u70b9 \u7ed3\u679c\uff1a\u5e94\u6263\u4f59\u989d==50 \u5982\u679c\u70b9\u5238\u5927\u4e8e\u5e94\u6263\u4f59\u989d\uff0c\u6263\u9664\u70b9\u5238 50\uff0c\u5426\u5219\u6263\u9664\u5168\u90e8\u70b9\u5238 \u7ed3\u679c:\u5e94\u6263\u4f59\u989d==0 \u8d26\u6237\u5269\u4f59\uff1a0 Q \u5e01\uff1a0 Q \u70b9\uff1a10 \u70b9\u5238 \u4e8b\u52a1\u63d0\u4ea4<\/p>\n

\u4ee5\u4e0b\u662f\u4f2a\u4ee3\u7801<\/p>\n

# \u5e94\u652f\u4ed8 payable = 100  # \u5148\u67e5\u8be2\u51fa\u7528\u6237\u4f59\u989d user_qb = 30 user_qd = 20 user_dq = 100  # \u5982\u679c\u4f59\u989d\u5c0f\u4e8e\u5e94\u4ed8\u6b3e\u6263\u6b3e\u5931\u8d25 if ((user_qb + user_qd + user_dq) < payable) {  return false; }  if(user_qb >= 100) {  pay(qb, 100)  payable = 0; } else {  pay(qb, user_qb)  payable = payable - user_qb }  if (payabel > 0 && user_qd >= payabel) {  pay(qd, payable)  payable = 0; } else {  pay(qd, user_qd)  payable = payable - user_qd; }  if (payable > 0) {  pay(dq, payable); }  db->commit; return true; <\/code><\/pre>\n<\/p><\/div>\n
 \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (2<\/span>)        <\/div>\n
 <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : 2067 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u603b\u7684\u6765\u8bf4
    \u7b97\u6cd5\u63cf\u8ff0->\u4f2a\u4ee3\u7801->\u4ee3\u7801
    \u5e94\u8be5\u90fd\u662f\u4e00\u81f4\u7684<\/p>\n
    \u4e2a\u4eba\u89c2\u70b9\uff0c\u5982\u679c\u4f60\u89c9\u5f97\u4e8b\u52a1\u5224\u65ad\u4ee3\u7801\u592a\u590d\u6742\uff0c\u5e94\u8be5\u4ece\u4f18\u5316\u5224\u65ad\u89c4\u5219\u5165\u624b                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : whileFalse <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4f60\u7684\u5b9e\u73b0\u65b9\u5f0f\u8db3\u591f\u660e\u786e\u4e86\uff0c\u4e5f\u4e0d\u662f\u5f88\u5197\u957f\u3002\u4f46\u5982\u679c\u4f60\u60f3\u8981\u77ed\u4e00\u70b9\u2026\u2026<\/p>\n
    # \u6267\u884c\u8bfb\u51fa\u903b\u8f91
    qb_new = max(0, qb – pay)
    qd_new = max(0, qd – max(0, pay – qb))
    dq_new = dq – max(0, pay – qb – qd)<\/p>\n
    if dq_new < 0: 
     return False
    else:
     # \u6267\u884c\u5199\u5165\u64cd\u4f5c                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"
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