{"id":1085071,"date":"2025-01-08T13:12:50","date_gmt":"2025-01-08T05:12:50","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1085071.html"},"modified":"2025-01-08T13:12:52","modified_gmt":"2025-01-08T05:12:52","slug":"python%e4%b8%ad%e5%a6%82%e4%bd%95%e5%b0%86%e5%b0%8f%e6%95%b0%e5%8f%96%e6%95%b4-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1085071.html","title":{"rendered":"python\u4e2d\u5982\u4f55\u5c06\u5c0f\u6570\u53d6\u6574"},"content":{"rendered":"

\"python\u4e2d\u5982\u4f55\u5c06\u5c0f\u6570\u53d6\u6574\"<\/p>\n

Python\u4e2d\u5c06\u5c0f\u6570\u53d6\u6574\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5206\u522b\u662f\u4f7f\u7528\u5185\u7f6e\u51fd\u6570round()\u3001math.floor()\u3001math.ceil()\u3001int()\u3001\u4ee5\u53cadecimal.Decimal\u7c7b\u3002<\/strong>\u5176\u4e2d\uff0c\u4f7f\u7528round()\u51fd\u6570\u53ef\u4ee5\u6839\u636e\u9700\u8981\u8fdb\u884c\u56db\u820d\u4e94\u5165\uff0c\u800cmath.floor()\u548cmath.ceil()\u5206\u522b\u7528\u4e8e\u5411\u4e0b\u53d6\u6574\u548c\u5411\u4e0a\u53d6\u6574\u3002\u4e0b\u9762\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

\u4e00\u3001ROUND()\u51fd\u6570<\/h3>\n<\/p>\n

Python\u7684round()<\/code>\u51fd\u6570\u53ef\u4ee5\u5bf9\u6d6e\u70b9\u6570\u8fdb\u884c\u56db\u820d\u4e94\u5165\u53d6\u6574\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cround()<\/code>\u51fd\u6570\u4f1a\u5c06\u6d6e\u70b9\u6570\u56db\u820d\u4e94\u5165\u5230\u6700\u63a5\u8fd1\u7684\u6574\u6570\u3002\u5982\u679c\u9700\u8981\u4fdd\u7559\u5c0f\u6570\u70b9\u540e\u7684\u4f4d\u6570\uff0c\u53ef\u4ee5\u5728\u51fd\u6570\u4e2d\u6307\u5b9a\u5c0f\u6570\u4f4d\u6570\u3002<\/p>\n<\/p>\n

number = 3.14159<\/p>\n
rounded_number = round(number)  # \u7ed3\u679c\u4e3a3<\/p>\n
rounded_number_with_precision = round(number, 2)  # \u7ed3\u679c\u4e3a3.14<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u820d\u4e94\u5165\u7684\u5e94\u7528\u573a\u666f<\/strong>\uff1a<\/p>\n
\u56db\u820d\u4e94\u5165\u901a\u5e38\u7528\u4e8e\u9700\u8981\u7cbe\u786e\u5230\u67d0\u4e2a\u5c0f\u6570\u4f4d\u7684\u6570\u636e\u5904\u7406\u573a\u666f\uff0c\u6bd4\u5982\u8d22\u52a1\u8ba1\u7b97\u3001\u7edf\u8ba1\u5206\u6790\u7b49\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u7cbe\u786e\u6027\u548c\u4e00\u81f4\u6027\u3002<\/p>\n<\/p>\n
\u4e8c\u3001MATH.FLOOR()\u51fd\u6570<\/h3>\n<\/p>\n
math.floor()<\/code>\u51fd\u6570\u7528\u4e8e\u5c06\u6d6e\u70b9\u6570\u5411\u4e0b\u53d6\u6574\uff0c\u5373\u53d6\u4e0d\u5927\u4e8e\u5f53\u524d\u6570\u7684\u6700\u5927\u6574\u6570\u3002\u9700\u8981\u5f15\u5165math\u6a21\u5757\u6765\u4f7f\u7528\u8be5\u51fd\u6570\u3002<\/p>\n<\/p>\n
import math<\/p>\n
number = 3.14159<\/p>\n
floored_number = math.floor(number)  # \u7ed3\u679c\u4e3a3<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5411\u4e0b\u53d6\u6574\u7684\u5e94\u7528\u573a\u666f<\/strong>\uff1a<\/p>\n
\u5411\u4e0b\u53d6\u6574\u901a\u5e38\u7528\u4e8e\u9700\u8981\u5c06\u6570\u503c\u964d\u4f4e\u5230\u6700\u8fd1\u6574\u6570\u7684\u573a\u666f\uff0c\u6bd4\u5982\u8ba1\u7b97\u6298\u6263\u540e\u7684\u4ef7\u683c\u3001\u5206\u914d\u8d44\u6e90\u7b49\u3002\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u7ed3\u679c\u4e0d\u4f1a\u8d85\u8fc7\u67d0\u4e2a\u7279\u5b9a\u503c\u3002<\/p>\n<\/p>\n
\u4e09\u3001MATH.CEIL()\u51fd\u6570<\/h3>\n<\/p>\n
math.ceil()<\/code>\u51fd\u6570\u7528\u4e8e\u5c06\u6d6e\u70b9\u6570\u5411\u4e0a\u53d6\u6574\uff0c\u5373\u53d6\u4e0d\u5c0f\u4e8e\u5f53\u524d\u6570\u7684\u6700\u5c0f\u6574\u6570\u3002\u9700\u8981\u5f15\u5165math\u6a21\u5757\u6765\u4f7f\u7528\u8be5\u51fd\u6570\u3002<\/p>\n<\/p>\n
import math<\/p>\n
number = 3.14159<\/p>\n
ceiled_number = math.ceil(number)  # \u7ed3\u679c\u4e3a4<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5411\u4e0a\u53d6\u6574\u7684\u5e94\u7528\u573a\u666f<\/strong>\uff1a<\/p>\n
\u5411\u4e0a\u53d6\u6574\u901a\u5e38\u7528\u4e8e\u9700\u8981\u5c06\u6570\u503c\u63d0\u9ad8\u5230\u6700\u8fd1\u6574\u6570\u7684\u573a\u666f\uff0c\u6bd4\u5982\u8ba1\u7b97\u9700\u8981\u7684\u6700\u5c0f\u8d44\u6e90\u3001\u786e\u5b9a\u8ba2\u5355\u6570\u91cf\u7b49\u3002\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u7ed3\u679c\u6ee1\u8db3\u67d0\u4e2a\u7279\u5b9a\u9700\u6c42\u3002<\/p>\n<\/p>\n
\u56db\u3001INT()\u51fd\u6570<\/h3>\n<\/p>\n
int()<\/code>\u51fd\u6570\u7528\u4e8e\u5c06\u6d6e\u70b9\u6570\u76f4\u63a5\u8f6c\u6362\u4e3a\u6574\u6570\u3002\u8be5\u65b9\u6cd5\u4f1a\u76f4\u63a5\u622a\u65ad\u5c0f\u6570\u90e8\u5206\uff0c\u53ea\u4fdd\u7559\u6574\u6570\u90e8\u5206\u3002<\/p>\n<\/p>\n
number = 3.14159<\/p>\n
integer_number = int(number)  # \u7ed3\u679c\u4e3a3<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u76f4\u63a5\u622a\u65ad\u5c0f\u6570\u90e8\u5206\u7684\u5e94\u7528\u573a\u666f<\/strong>\uff1a<\/p>\n
\u76f4\u63a5\u622a\u65ad\u5c0f\u6570\u90e8\u5206\u901a\u5e38\u7528\u4e8e\u9700\u8981\u5feb\u901f\u83b7\u53d6\u6574\u6570\u90e8\u5206\u7684\u573a\u666f\uff0c\u6bd4\u5982\u5904\u7406\u7528\u6237\u8f93\u5165\u7684\u6570\u636e\u3001\u7b80\u5316\u590d\u6742\u8ba1\u7b97\u7b49\u3002\u8fd9\u6837\u53ef\u4ee5\u63d0\u9ad8\u8ba1\u7b97\u6548\u7387\uff0c\u4f46\u9700\u8981\u6ce8\u610f\u6570\u636e\u7cbe\u5ea6\u7684\u635f\u5931\u3002<\/p>\n<\/p>\n
\u4e94\u3001DECIMAL.DECIMAL\u7c7b<\/h3>\n<\/p>\n
decimal.Decimal<\/code>\u7c7b\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7cbe\u5ea6\u7684\u6d6e\u70b9\u6570\u8fd0\u7b97\uff0c\u53ef\u4ee5\u6307\u5b9a\u5c0f\u6570\u70b9\u7684\u7cbe\u5ea6\uff0c\u5e76\u63d0\u4f9b\u56db\u820d\u4e94\u5165\u3001\u5411\u4e0b\u53d6\u6574\u3001\u5411\u4e0a\u53d6\u6574\u7b49\u591a\u79cd\u53d6\u6574\u65b9\u5f0f\u3002\u9700\u8981\u5f15\u5165decimal\u6a21\u5757\u6765\u4f7f\u7528\u8be5\u7c7b\u3002<\/p>\n<\/p>\n
from decimal import Decimal, ROUND_HALF_UP<\/p>\n
number = Decimal('3.14159')<\/p>\n
rounded_number = number.quantize(Decimal('1'), rounding=ROUND_HALF_UP)  # \u7ed3\u679c\u4e3a3<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u9ad8\u7cbe\u5ea6\u6d6e\u70b9\u6570\u8fd0\u7b97\u7684\u5e94\u7528\u573a\u666f<\/strong>\uff1a<\/p>\n
\u9ad8\u7cbe\u5ea6\u6d6e\u70b9\u6570\u8fd0\u7b97\u901a\u5e38\u7528\u4e8e\u9700\u8981\u9ad8\u7cbe\u5ea6\u8ba1\u7b97\u7684\u573a\u666f\uff0c\u6bd4\u5982\u79d1\u5b66\u8ba1\u7b97\u3001\u91d1\u878d\u5206\u6790\u7b49\u3002\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u7ed3\u679c\u7684\u7cbe\u786e\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n<\/p>\n
\u516d\u3001\u793a\u4f8b\u4ee3\u7801<\/h3>\n<\/p>\n
\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u5c55\u793a\u4e86\u4e0a\u8ff0\u65b9\u6cd5\u7684\u4f7f\u7528\uff1a<\/p>\n<\/p>\n
import math<\/p>\n
from decimal import Decimal, ROUND_HALF_UP<\/p>\n
\u5b9a\u4e49\u6d6e\u70b9\u6570<\/strong><\/h2>\n
number = 3.14159<\/p>\n
\u4f7f\u7528round()\u51fd\u6570\u8fdb\u884c\u56db\u820d\u4e94\u5165\u53d6\u6574<\/strong><\/h2>\n
rounded_number = round(number)  # \u7ed3\u679c\u4e3a3<\/p>\n
rounded_number_with_precision = round(number, 2)  # \u7ed3\u679c\u4e3a3.14<\/p>\n
\u4f7f\u7528math.floor()\u51fd\u6570\u8fdb\u884c\u5411\u4e0b\u53d6\u6574<\/strong><\/h2>\n
floored_number = math.floor(number)  # \u7ed3\u679c\u4e3a3<\/p>\n
\u4f7f\u7528math.ceil()\u51fd\u6570\u8fdb\u884c\u5411\u4e0a\u53d6\u6574<\/strong><\/h2>\n
ceiled_number = math.ceil(number)  # \u7ed3\u679c\u4e3a4<\/p>\n
\u4f7f\u7528int()\u51fd\u6570\u8fdb\u884c\u76f4\u63a5\u622a\u65ad\u5c0f\u6570\u90e8\u5206<\/strong><\/h2>\n
integer_number = int(number)  # \u7ed3\u679c\u4e3a3<\/p>\n
\u4f7f\u7528decimal.Decimal\u7c7b\u8fdb\u884c\u9ad8\u7cbe\u5ea6\u6d6e\u70b9\u6570\u8fd0\u7b97<\/strong><\/h2>\n
decimal_number = Decimal('3.14159')<\/p>\n
rounded_decimal_number = decimal_number.quantize(Decimal('1'), rounding=ROUND_HALF_UP)  # \u7ed3\u679c\u4e3a3<\/p>\n
\u6253\u5370\u7ed3\u679c<\/strong><\/h2>\n
print(f"Original number: {number}")<\/p>\n
print(f"Rounded number: {rounded_number}")<\/p>\n
print(f"Rounded number with precision: {rounded_number_with_precision}")<\/p>\n
print(f"Floored number: {floored_number}")<\/p>\n
print(f"Ceiled number: {ceiled_number}")<\/p>\n
print(f"Integer number: {integer_number}")<\/p>\n
print(f"Rounded decimal number: {rounded_decimal_number}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e03\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
\u5728Python\u4e2d\uff0c\u5c06\u5c0f\u6570\u53d6\u6574\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5305\u62ecround()<\/code>\u51fd\u6570\u3001math.floor()<\/code>\u51fd\u6570\u3001math.ceil()<\/code>\u51fd\u6570\u3001int()<\/code>\u51fd\u6570\u548cdecimal.Decimal<\/code>\u7c7b\u3002\u4e0d\u540c\u7684\u65b9\u6cd5\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\uff1a<\/p>\n<\/p>\n
    \n
  • \u56db\u820d\u4e94\u5165<\/strong>\uff1a\u9002\u7528\u4e8e\u9700\u8981\u7cbe\u786e\u5230\u67d0\u4e2a\u5c0f\u6570\u4f4d\u7684\u6570\u636e\u5904\u7406\u573a\u666f\u3002<\/li>\n
  • \u5411\u4e0b\u53d6\u6574<\/strong>\uff1a\u9002\u7528\u4e8e\u9700\u8981\u5c06\u6570\u503c\u964d\u4f4e\u5230\u6700\u8fd1\u6574\u6570\u7684\u573a\u666f\u3002<\/li>\n
  • \u5411\u4e0a\u53d6\u6574<\/strong>\uff1a\u9002\u7528\u4e8e\u9700\u8981\u5c06\u6570\u503c\u63d0\u9ad8\u5230\u6700\u8fd1\u6574\u6570\u7684\u573a\u666f\u3002<\/li>\n
  • \u76f4\u63a5\u622a\u65ad\u5c0f\u6570\u90e8\u5206<\/strong>\uff1a\u9002\u7528\u4e8e\u9700\u8981\u5feb\u901f\u83b7\u53d6\u6574\u6570\u90e8\u5206\u7684\u573a\u666f\u3002<\/li>\n
  • \u9ad8\u7cbe\u5ea6\u6d6e\u70b9\u6570\u8fd0\u7b97<\/strong>\uff1a\u9002\u7528\u4e8e\u9700\u8981\u9ad8\u7cbe\u5ea6\u8ba1\u7b97\u7684\u573a\u666f\u3002<\/li>\n<\/ul>\n
    \u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u786e\u4fdd\u6570\u636e\u5904\u7406\u7684\u7cbe\u786e\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n<\/p>\n
    \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
     \u5728Python\u4e2d\uff0c\u6709\u54ea\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u5c06\u5c0f\u6570\u53d6\u6574\uff1f<\/strong>
    Python\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u5c06\u5c0f\u6570\u53d6\u6574\uff0c\u6700\u5e38\u7528\u7684\u5305\u62ec\u4f7f\u7528int()<\/code>\u51fd\u6570\u3001math.floor()<\/code>\u548cmath.ceil()<\/code>\u51fd\u6570\u3002int()<\/code>\u51fd\u6570\u4f1a\u76f4\u63a5\u53bb\u6389\u5c0f\u6570\u90e8\u5206\uff0cmath.floor()<\/code>\u4f1a\u5411\u4e0b\u53d6\u6574\uff0c\u800cmath.ceil()<\/code>\u5219\u4f1a\u5411\u4e0a\u53d6\u6574\u3002\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u5373\u53ef\u3002<\/p>\n
    \u5982\u4f55\u4f7f\u7528round()<\/code>\u51fd\u6570\u8fdb\u884c\u5c0f\u6570\u53d6\u6574\uff1f<\/strong>
    round()<\/code>\u51fd\u6570\u53ef\u4ee5\u5c06\u5c0f\u6570\u56db\u820d\u4e94\u5165\u5230\u6700\u8fd1\u7684\u6574\u6570\u3002\u4f7f\u7528\u65f6\u53ef\u4ee5\u4f20\u5165\u4e24\u4e2a\u53c2\u6570\uff0c\u7b2c\u4e00\u4e2a\u4e3a\u9700\u8981\u53d6\u6574\u7684\u5c0f\u6570\uff0c\u7b2c\u4e8c\u4e2a\u4e3a\u8981\u4fdd\u7559\u7684\u5c0f\u6570\u4f4d\u6570\u3002\u5982\u679c\u53ea\u60f3\u53d6\u6574\uff0c\u53ef\u4ee5\u7701\u7565\u7b2c\u4e8c\u4e2a\u53c2\u6570\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cround()<\/code>\u5728\u5904\u74060.5\u65f6\u7684\u884c\u4e3a\u4e0e\u5176\u4ed6\u53d6\u6574\u65b9\u6cd5\u4e0d\u540c\u3002<\/p>\n
    \u5728Python\u4e2d\uff0c\u5982\u4f55\u5904\u7406\u8d1f\u6570\u7684\u5c0f\u6570\u53d6\u6574\uff1f<\/strong>
    \u5904\u7406\u8d1f\u6570\u7684\u5c0f\u6570\u53d6\u6574\u65f6\uff0cmath.floor()<\/code>\u548cmath.ceil()<\/code>\u7684\u884c\u4e3a\u4e0e\u6b63\u6570\u4e0d\u540c\u3002math.floor()<\/code>\u4f1a\u8fd4\u56de\u5c0f\u4e8e\u6216\u7b49\u4e8e\u8be5\u6570\u7684\u6700\u5927\u6574\u6570\uff0c\u800cmath.ceil()<\/code>\u4f1a\u8fd4\u56de\u5927\u4e8e\u6216\u7b49\u4e8e\u8be5\u6570\u7684\u6700\u5c0f\u6574\u6570\u3002\u4f7f\u7528\u8fd9\u4e9b\u51fd\u6570\u65f6\u8981\u6839\u636e\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u786e\u4fdd\u5f97\u5230\u9884\u671f\u7684\u7ed3\u679c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u4e2d\u5c06\u5c0f\u6570\u53d6\u6574\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5206\u522b\u662f\u4f7f\u7528\u5185\u7f6e\u51fd\u6570round()\u3001math.floor()\u3001math.c […]","protected":false},"author":3,"featured_media":1085085,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1085071"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1085071"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1085071\/revisions"}],"predecessor-version":[{"id":1085087,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1085071\/revisions\/1085087"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1085085"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1085071"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1085071"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1085071"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}