{"id":1014074,"date":"2024-12-27T11:53:10","date_gmt":"2024-12-27T03:53:10","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1014074.html"},"modified":"2024-12-27T11:53:13","modified_gmt":"2024-12-27T03:53:13","slug":"python%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8trunc%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1014074.html","title":{"rendered":"python\u5982\u4f55\u4f7f\u7528trunc\u51fd\u6570"},"content":{"rendered":"

\"python\u5982\u4f55\u4f7f\u7528trunc\u51fd\u6570\"<\/p>\n

\u5728Python\u4e2d\uff0c\u8981\u4f7f\u7528trunc\u51fd\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528math\u6a21\u5757\u4e2d\u7684trunc\u51fd\u6570\u3001\u901a\u8fc7\u5c06\u6d6e\u70b9\u6570\u8f6c\u6362\u4e3a\u6574\u6570\u7684\u65b9\u5f0f\u5b9e\u73b0\u3001\u4f7f\u7528numpy\u5e93\u4e2d\u7684trunc\u51fd\u6570\u3002<\/strong> Python\u7684trunc\u51fd\u6570\u4e3b\u8981\u7528\u4e8e\u5bf9\u6d6e\u70b9\u6570\u8fdb\u884c\u622a\u65ad\u64cd\u4f5c\uff0c\u5373\u53bb\u9664\u5c0f\u6570\u90e8\u5206\uff0c\u53ea\u4fdd\u7559\u6574\u6570\u90e8\u5206\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u5728Python\u4e2d\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\u6765\u5b9e\u73b0trunc\u529f\u80fd\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528math\u6a21\u5757\u4e2d\u7684trunc\u51fd\u6570<\/p>\n<\/p>\n

Python\u7684\u6807\u51c6\u5e93math\u6a21\u5757\u4e2d\u63d0\u4f9b\u4e86\u4e00\u4e2atrunc\u51fd\u6570\uff0c\u53ef\u4ee5\u76f4\u63a5\u7528\u4e8e\u622a\u65ad\u6d6e\u70b9\u6570\u3002\u8be5\u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u6574\u6570\u7c7b\u578b\u7684\u7ed3\u679c\u3002<\/p>\n<\/p>\n

    \n
  1. \u5bfc\u5165math\u6a21\u5757<\/li>\n<\/ol>\n

    \u5728\u4f7f\u7528trunc\u51fd\u6570\u4e4b\u524d\uff0c\u9700\u8981\u5148\u5bfc\u5165math\u6a21\u5757\u3002\u53ef\u4ee5\u4f7f\u7528import math<\/code>\u8bed\u53e5\u6765\u5b8c\u6210\u3002<\/p>\n<\/p>\n

      \n
    1. \u4f7f\u7528trunc\u51fd\u6570<\/li>\n<\/ol>\n

      \u5728\u5bfc\u5165math\u6a21\u5757\u540e\uff0c\u53ef\u4ee5\u76f4\u63a5\u8c03\u7528math.trunc(x)<\/code>\u6765\u5bf9\u6d6e\u70b9\u6570x\u8fdb\u884c\u622a\u65ad\u3002\u8be5\u51fd\u6570\u4f1a\u8fd4\u56dex\u7684\u6574\u6570\u90e8\u5206\u3002<\/p>\n<\/p>\n

      import math<\/p>\n
      \u793a\u4f8b<\/strong><\/h2>\n
      x = 3.56<\/p>\n
      truncated_value = math.trunc(x)<\/p>\n
      print(truncated_value)  # \u8f93\u51fa\uff1a3<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cmath.trunc(x)<\/code>\u5c06\u6d6e\u70b9\u65703.56\u622a\u65ad\u4e3a\u6574\u65703\u3002<\/p>\n<\/p>\n
      \u5bf9\u4e8e\u9700\u8981\u622a\u65ad\u6d6e\u70b9\u6570\u7684\u573a\u666f\uff0c\u4f7f\u7528math.trunc\u51fd\u6570\u662f\u6700\u4e3a\u76f4\u63a5\u548c\u7b80\u4fbf\u7684\u65b9\u6cd5\u4e4b\u4e00\u3002\u5b83\u4e0d\u4ec5\u53ef\u4ee5\u5904\u7406\u6b63\u6570\uff0c\u8fd8\u53ef\u4ee5\u5904\u7406\u8d1f\u6570\uff0c\u5e76\u4e14\u5bf9\u4e8e\u5404\u79cd\u7c7b\u578b\u7684\u6570\u5b57\u8fd0\u7b97\u90fd\u5f88\u7a33\u5b9a\u3002<\/strong><\/p>\n<\/p>\n
      \u4e8c\u3001\u901a\u8fc7\u5c06\u6d6e\u70b9\u6570\u8f6c\u6362\u4e3a\u6574\u6570\u7684\u65b9\u5f0f\u5b9e\u73b0<\/p>\n<\/p>\n
      Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5c06\u6d6e\u70b9\u6570\u76f4\u63a5\u8f6c\u6362\u4e3a\u6574\u6570\u6765\u5b9e\u73b0\u622a\u65ad\u529f\u80fd\u3002\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u9700\u8981\u989d\u5916\u5bfc\u5165\u6a21\u5757\u3002<\/p>\n<\/p>\n
        \n
      1. \u4f7f\u7528int\u51fd\u6570<\/li>\n<\/ol>\n
        Python\u5185\u7f6e\u7684int()<\/code>\u51fd\u6570\u53ef\u4ee5\u5c06\u6d6e\u70b9\u6570\u8f6c\u6362\u4e3a\u6574\u6570\uff0c\u5b83\u4f1a\u81ea\u52a8\u622a\u53bb\u5c0f\u6570\u90e8\u5206\u3002<\/p>\n<\/p>\n
        # \u793a\u4f8b<\/p>\n
        x = -4.89<\/p>\n
        truncated_value = int(x)<\/p>\n
        print(truncated_value)  # \u8f93\u51fa\uff1a-4<\/p>\n
        <\/code><\/pre>\n<\/p>\n
        \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cint(x)<\/code>\u5c06\u6d6e\u70b9\u6570-4.89\u622a\u65ad\u4e3a\u6574\u6570-4\u3002<\/p>\n<\/p>\n
        \u4f7f\u7528int\u51fd\u6570\u8fdb\u884c\u622a\u65ad\u662f\u4e00\u79cd\u975e\u5e38\u7b80\u6d01\u7684\u65b9\u6cd5\uff0c\u5c24\u5176\u9002\u5408\u4e0d\u9700\u8981\u5bfc\u5165\u989d\u5916\u6a21\u5757\u7684\u573a\u666f\u3002\u4f46\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cint\u51fd\u6570\u7684\u884c\u4e3a\u4e0emath.trunc\u4e00\u81f4\uff0c\u5373\u5bf9\u4e8e\u8d1f\u6570\u4f1a\u5411\u96f6\u65b9\u5411\u622a\u65ad\u3002<\/strong><\/p>\n<\/p>\n
        \u4e09\u3001\u4f7f\u7528numpy\u5e93\u4e2d\u7684trunc\u51fd\u6570<\/p>\n<\/p>\n
        \u5bf9\u4e8e\u9700\u8981\u5904\u7406\u5927\u91cf\u6570\u503c\u6570\u636e\u7684\u5e94\u7528\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528numpy\u5e93\u3002Numpy\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u6570\u503c\u8ba1\u7b97\u5e93\uff0c\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u6570\u5b66\u51fd\u6570\u3002<\/p>\n<\/p>\n
          \n
        1. \u5bfc\u5165numpy\u5e93<\/li>\n<\/ol>\n
          \u9996\u5148\uff0c\u9700\u8981\u786e\u4fdd\u5df2\u5b89\u88c5numpy\u5e93\uff0c\u53ef\u4ee5\u901a\u8fc7pip install numpy<\/code>\u547d\u4ee4\u5b89\u88c5\u3002\u7136\u540e\u4f7f\u7528import numpy as np<\/code>\u5bfc\u5165\u3002<\/p>\n<\/p>\n
            \n
          1. \u4f7f\u7528numpy.trunc\u51fd\u6570<\/li>\n<\/ol>\n
            \u5728\u5bfc\u5165numpy\u5e93\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528numpy.trunc(x)<\/code>\u5bf9\u6570\u7ec4\u6216\u5355\u4e2a\u6570\u503c\u8fdb\u884c\u622a\u65ad\u3002<\/p>\n<\/p>\n
            import numpy as np<\/p>\n
            \u793a\u4f8b<\/strong><\/h2>\n
            x = np.array([1.5, -2.3, 3.7, -4.9])<\/p>\n
            truncated_values = np.trunc(x)<\/p>\n
            print(truncated_values)  # \u8f93\u51fa\uff1a[ 1. -2.  3. -4.]<\/p>\n
            <\/code><\/pre>\n<\/p>\n
            \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cnp.trunc(x)<\/code>\u5bf9\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u8fdb\u884c\u622a\u65ad\uff0c\u8fd4\u56de\u4e00\u4e2a\u65b0\u7684\u6570\u7ec4\u3002<\/p>\n<\/p>\n
            \u4f7f\u7528numpy.trunc\u51fd\u6570\u975e\u5e38\u9002\u5408\u5728\u5904\u7406\u6570\u7ec4\u548c\u77e9\u9635\u7b49\u590d\u6742\u6570\u503c\u6570\u636e\u65f6\u4f7f\u7528\u3002\u5b83\u4e0d\u4ec5\u80fd\u591f\u9ad8\u6548\u5730\u5904\u7406\u5927\u91cf\u6570\u636e\uff0c\u8fd8\u53ef\u4ee5\u4e0enumpy\u7684\u5176\u4ed6\u529f\u80fd\u7ed3\u5408\u4f7f\u7528\uff0c\u63d0\u4f9b\u66f4\u591a\u7684\u7075\u6d3b\u6027\u548c\u529f\u80fd\u652f\u6301\u3002<\/strong><\/p>\n<\/p>\n
            \u56db\u3001\u603b\u7ed3<\/p>\n<\/p>\n
            Python\u4e2d\u7684\u622a\u65ad\u64cd\u4f5c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u5b9e\u73b0\uff0c\u5177\u4f53\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\u53d6\u51b3\u4e8e\u5e94\u7528\u573a\u666f\u548c\u9700\u6c42\u3002\u5bf9\u4e8e\u7b80\u5355\u7684\u622a\u65ad\u64cd\u4f5c\uff0c\u4f7f\u7528math\u6a21\u5757\u4e2d\u7684trunc\u51fd\u6570\u6216int\u51fd\u6570\u5373\u53ef\u6ee1\u8db3\u9700\u6c42\uff1b\u5bf9\u4e8e\u9700\u8981\u5904\u7406\u5927\u91cf\u6570\u636e\u6216\u8fdb\u884c\u590d\u6742\u6570\u503c\u8fd0\u7b97\u7684\u5e94\u7528\uff0cnumpy\u5e93\u63d0\u4f9b\u7684trunc\u51fd\u6570\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5de5\u5177\u3002\u65e0\u8bba\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\uff0c\u90fd\u9700\u8981\u6ce8\u610f\u622a\u65ad\u64cd\u4f5c\u7684\u65b9\u5411\u6027\u548c\u6570\u636e\u7c7b\u578b\u8f6c\u6362\u7684\u5f71\u54cd\uff0c\u4ee5\u786e\u4fdd\u5f97\u5230\u6b63\u786e\u7684\u8ba1\u7b97\u7ed3\u679c\u3002<\/p>\n<\/p>\n
            \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
             Python\u7684trunc\u51fd\u6570\u6709\u4ec0\u4e48\u7528\u9014\uff1f<\/strong>
            trunc\u51fd\u6570\u7528\u4e8e\u622a\u65ad\u6570\u5b57\u7684\u5c0f\u6570\u90e8\u5206\uff0c\u4ec5\u4fdd\u7559\u6574\u6570\u90e8\u5206\u3002\u5b83\u5728\u5904\u7406\u6d6e\u70b9\u6570\u65f6\u975e\u5e38\u6709\u7528\uff0c\u7279\u522b\u662f\u5728\u9700\u8981\u53bb\u6389\u5c0f\u6570\u800c\u53ea\u4fdd\u7559\u6574\u6570\u7684\u573a\u666f\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u80fd\u5e0c\u671b\u5728\u8fdb\u884c\u8ba1\u7b97\u6216\u6570\u636e\u5206\u6790\u65f6\u6392\u9664\u5c0f\u6570\u90e8\u5206\uff0c\u4ee5\u83b7\u5f97\u66f4\u7b80\u6d01\u7684\u7ed3\u679c\u3002<\/p>\n
            \u5982\u4f55\u5728Python\u4e2d\u5bfc\u5165\u548c\u4f7f\u7528trunc\u51fd\u6570\uff1f<\/strong>
            trunc\u51fd\u6570\u662fPython\u7684math\u6a21\u5757\u4e2d\u7684\u4e00\u90e8\u5206\u3002\u5728\u4f7f\u7528\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u5bfc\u5165\u8be5\u6a21\u5757\u3002\u4f7f\u7528\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n
            import math\nresult = math.trunc(5.67)  # \u7ed3\u679c\u4e3a5\n<\/code><\/pre>\n
            \u8fd9\u6837\u5c31\u53ef\u4ee5\u8f7b\u677e\u5730\u622a\u65ad\u4efb\u4f55\u6d6e\u70b9\u6570\uff0c\u5f97\u5230\u5176\u6574\u6570\u90e8\u5206\u3002<\/p>\n
            trunc\u51fd\u6570\u4e0e\u5176\u4ed6\u622a\u65ad\u65b9\u6cd5\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/strong>
            trunc\u51fd\u6570\u4e0e\u5176\u4ed6\u5e38\u89c1\u7684\u622a\u65ad\u65b9\u6cd5\uff08\u5982int()\u51fd\u6570\uff09\u6709\u4e00\u4e9b\u4e0d\u540c\u4e4b\u5904\u3002trunc\u51fd\u6570\u76f4\u63a5\u53bb\u6389\u5c0f\u6570\u90e8\u5206\uff0c\u800cint()\u51fd\u6570\u4f1a\u5c06\u8d1f\u6570\u5411\u4e0b\u53d6\u6574\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e-3.7\uff0c\u4f7f\u7528trunc\u4f1a\u8fd4\u56de-3\uff0c\u800cint()\u4f1a\u8fd4\u56de-4\u3002\u8fd9\u4f7f\u5f97trunc\u51fd\u6570\u5728\u5904\u7406\u8d1f\u6570\u65f6\u7684\u884c\u4e3a\u66f4\u52a0\u76f4\u89c2\uff0c\u5c24\u5176\u662f\u5728\u9700\u8981\u4fdd\u6301\u6570\u503c\u7684\u539f\u59cb\u65b9\u5411\u65f6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u8981\u4f7f\u7528trunc\u51fd\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528math\u6a21\u5757\u4e2d\u7684trunc\u51fd\u6570\u3001\u901a\u8fc7\u5c06\u6d6e\u70b9\u6570\u8f6c\u6362\u4e3a\u6574\u6570\u7684\u65b9\u5f0f\u5b9e […]","protected":false},"author":3,"featured_media":1014084,"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\/1014074"}],"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=1014074"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1014074\/revisions"}],"predecessor-version":[{"id":1014086,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1014074\/revisions\/1014086"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1014084"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1014074"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1014074"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1014074"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}