{"id":307955,"date":"2024-05-20T20:49:33","date_gmt":"2024-05-20T12:49:33","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/307955.html"},"modified":"2024-05-20T20:50:02","modified_gmt":"2024-05-20T12:50:02","slug":"%e4%b8%ba%e4%bb%80%e4%b9%88c%e8%af%ad%e8%a8%80%e8%a6%81%e7%bb%93%e6%9e%9c%e4%b8%ba%e5%b0%8f%e6%95%b0%e8%a1%a8%e8%be%be%e5%bc%8f%e7%9a%84%e4%bb%a3%e7%a0%81%e5%ae%9a%e4%b9%89%e9%83%bd%e5%be%97%e7%94%a8f","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/307955.html","title":{"rendered":"\u4e3a\u4ec0\u4e48c\u8bed\u8a00\u8981\u7ed3\u679c\u4e3a\u5c0f\u6570\u8868\u8fbe\u5f0f\u7684\u4ee3\u7801\u5b9a\u4e49\u90fd\u5f97\u7528float"},"content":{"rendered":"

\"\u4e3a\u4ec0\u4e48c\u8bed\u8a00\u8981\u7ed3\u679c\u4e3a\u5c0f\u6570\u8868\u8fbe\u5f0f\u7684\u4ee3\u7801\u5b9a\u4e49\u90fd\u5f97\u7528float\"<\/p>\n

\u5728C\u8bed\u8a00\u4e2d\uff0c\u5f53\u8fd0\u7b97\u7ed3\u679c\u9700\u8981\u8868\u8fbe\u5c0f\u6570\u65f6\uff0c\u4f7f\u7528float<\/code>\u7c7b\u578b\u5b9a\u4e49\u76f8\u5173\u53d8\u91cf\u548c\u8868\u8fbe\u5f0f\u4e3b\u8981\u51fa\u4e8e\u7cbe\u786e\u5ea6\u3001\u6027\u80fd\u3001\u4ee5\u53ca\u5386\u53f2\u539f\u56e0<\/strong>\u3002\u7cbe\u786e\u5ea6<\/strong>\u662f\u91cd\u8981\u7684\u8003\u8651\u56e0\u7d20\u4e4b\u4e00\uff0c\u56e0\u4e3afloat<\/code>\u7c7b\u578b\u63d0\u4f9b\u4e86\u8db3\u591f\u7684\u7cbe\u5ea6\u6765\u6ee1\u8db3\u5927\u591a\u6570\u5e94\u7528\u7684\u9700\u6c42\uff0c\u540c\u65f6\u4e5f\u4f18\u5316\u4e86\u5b58\u50a8\u7a7a\u95f4\u548c\u8ba1\u7b97\u6027\u80fd\u3002<\/p>\n<\/p>\n

\u5728\u7cbe\u786e\u5ea6<\/strong>\u65b9\u9762\u7684\u8be6\u7ec6\u63cf\u8ff0\uff1afloat<\/code>\u7c7b\u578b\u53d8\u91cf\u5728\u5185\u5b58\u4e2d\u5360\u7528\u56fa\u5b9a\u768432\u4f4d\uff084\u5b57\u8282\uff09\u7a7a\u95f4\uff0c\u5176\u4e2d\u5305\u62ec\u7b26\u53f7\u4f4d\u3001\u6307\u6570\u4f4d\u548c\u5c3e\u6570\u4f4d\u3002\u8be5\u8bbe\u8ba1\u4f7f\u5f97float<\/code>\u7c7b\u578b\u80fd\u591f\u8868\u793a\u5927\u7ea66\u52307\u4f4d\u5341\u8fdb\u5236\u6570\u7684\u7cbe\u786e\u5ea6\u3002\u5bf9\u4e8e\u8bb8\u591a\u5de5\u7a0b\u548c\u79d1\u5b66\u8ba1\u7b97\u6765\u8bf4\uff0c\u8fd9\u79cd\u7cbe\u5ea6\u662f\u8db3\u591f\u7684\u3002\u867d\u7136double<\/code>\u7c7b\u578b\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7684\u7cbe\u5ea6\uff0815\u523016\u4f4d\u5341\u8fdb\u5236\u6570\uff09\uff0c\u4f46\u5b83\u4e5f\u5360\u7528\u66f4\u591a\u7684\u5185\u5b58\u7a7a\u95f4\uff0864\u4f4d\u62168\u5b57\u8282\uff09\u5e76\u53ef\u80fd\u5bfc\u81f4\u66f4\u6162\u7684\u8ba1\u7b97\u901f\u5ea6\u3002\u56e0\u6b64\uff0c\u5f53\u9ad8\u7cbe\u5ea6\u4e0d\u662f\u4e3b\u8981\u9700\u6c42\u65f6\uff0c\u9009\u62e9float<\/code>\u53ef\u4ee5\u4e3a\u7a0b\u5e8f\u63d0\u4f9b\u4e00\u4e2a\u8f83\u597d\u7684\u6027\u80fd\u548c\u8d44\u6e90\u4f7f\u7528\u5e73\u8861\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u7cbe\u786e\u5ea6\u7684\u91cd\u8981\u6027<\/h3>\n<\/p>\n

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\u518d\u8fdb\u4e00\u6b65\uff0c\u5bf9\u4e8e\u9700\u8981\u5904\u7406\u5927\u91cf\u6d6e\u70b9\u6570\u8fd0\u7b97\u7684\u5e94\u7528\uff0c\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u7c7b\u578b\u53ef\u4ee5\u663e\u8457\u5f71\u54cd\u7a0b\u5e8f\u7684\u6267\u884c\u901f\u5ea6\u548c\u7ed3\u679c\u7684\u51c6\u786e\u5ea6\u3002float<\/code>\u7c7b\u578b\u901a\u5e38\u662f\u8fd9\u79cd\u573a\u666f\u4e0b\u7684\u9996\u9009\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u6298\u8877\u65b9\u6848\uff0c\u65e2\u4fdd\u8bc1\u4e86\u8fd0\u7b97\u7684\u76f8\u5bf9\u7cbe\u5ea6\uff0c\u53c8\u80fd\u8f83\u597d\u5730\u628a\u63a7\u6027\u80fd\u6d88\u8017\u3002<\/p>\n<\/p>\n

\u4e8c\u3001\u6027\u80fd\u8003\u91cf<\/h3>\n<\/p>\n

\u6027\u80fd\u662f\u9009\u62e9\u4f7f\u7528float<\/code>\u7c7b\u578b\u7684\u53e6\u4e00\u4e2a\u91cd\u8981\u56e0\u7d20\u3002\u5bf9\u4e8e\u5904\u7406\u5668\u800c\u8a00\uff0c\u6267\u884c\u6d6e\u70b9\u6570\u8fd0\u7b97\u65f6\u7684\u5904\u7406\u901f\u5ea6\u4f1a\u53d7\u5230\u64cd\u4f5c\u6570\u4f4d\u6570\u7684\u5f71\u54cd\u3002\u76f8\u6bd4\u4e8edouble<\/code>\u7c7b\u578b\uff0cfloat<\/code>\u7c7b\u578b\u56e0\u4e3a\u5360\u7528\u7684\u5185\u5b58\u66f4\u5c11\uff0c\u5904\u7406\u901f\u5ea6\u5f80\u5f80\u66f4\u5feb\uff0c\u5c24\u5176\u662f\u5728\u5927\u91cf\u6570\u503c\u8fd0\u7b97\u7684\u73af\u5883\u4e0b\uff0c\u6027\u80fd\u5dee\u5f02\u5c06\u66f4\u4e3a\u660e\u663e\u3002\u6b64\u5916\uff0c\u8f83\u5c0f\u7684\u6570\u636e\u7c7b\u578b\u4e5f\u610f\u5473\u7740\u53ef\u4ee5\u5728\u540c\u6837\u5927\u5c0f\u7684\u7f13\u5b58\u6216\u5185\u5b58\u4e2d\u5b58\u50a8\u66f4\u591a\u7684\u5143\u7d20\uff0c\u4ece\u800c\u63d0\u9ad8\u6570\u636e\u5904\u7406\u7684\u6548\u7387\u3002<\/p>\n<\/p>\n

\u5bf9\u4e8e\u9700\u8981\u9891\u7e41\u6267\u884c\u6d6e\u70b9\u8fd0\u7b97\u5e76\u4e14\u5bf9\u8fd0\u7b97\u901f\u5ea6\u6709\u8f83\u9ad8\u8981\u6c42\u7684\u5e94\u7528\u7a0b\u5e8f\u6765\u8bf4\uff0c\u5408\u7406\u9009\u62e9float<\/code>\u7c7b\u578b\u4f5c\u4e3a\u6570\u636e\u7c7b\u578b\uff0c\u53ef\u4ee5\u5728\u4e0d\u727a\u7272\u592a\u591a\u7cbe\u5ea6\u7684\u60c5\u51b5\u4e0b\uff0c\u83b7\u5f97\u66f4\u597d\u7684\u6027\u80fd\u8868\u73b0\u3002<\/p>\n<\/p>\n

\u4e09\u3001\u5386\u53f2\u539f\u56e0<\/h3>\n<\/p>\n

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\u56db\u3001\u73b0\u4ee3\u7f16\u7a0b\u7684\u6311\u6218\u4e0e\u9009\u62e9<\/h3>\n<\/p>\n

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\u603b\u7ed3<\/h2>\n<\/p>\n

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\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n

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    \n
  1. \n

    C\u8bed\u8a00\u4e2d\u4f7f\u7528float\u5173\u952e\u5b57\u5b9a\u4e49\u5c0f\u6570\u8868\u8fbe\u5f0f\u7684\u4ee3\u7801\u662f\u4e3a\u4e86\u6307\u5b9a\u53d8\u91cf\u7684\u6570\u636e\u7c7b\u578b\u3002<\/strong> \u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cC\u8bed\u8a00\u4e2d\u7684\u5c0f\u6570\u6570\u503c\u4f1a\u88ab\u5f53\u4f5c\u53cc\u7cbe\u5ea6\u6d6e\u70b9\u6570\uff08double\uff09\u5904\u7406\u3002\u5982\u679c\u60f3\u8981\u6307\u5b9a\u53d8\u91cf\u4e3a\u5355\u7cbe\u5ea6\u6d6e\u70b9\u6570\uff08float\uff09\uff0c\u5c31\u9700\u8981\u4f7f\u7528float\u5173\u952e\u5b57\u6765\u660e\u786e\u6307\u5b9a\u6570\u636e\u7c7b\u578b\u3002<\/p>\n<\/li>\n

  2. \n

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  3. \n

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