{"id":306974,"date":"2024-05-20T20:23:46","date_gmt":"2024-05-20T12:23:46","guid":{"rendered":""},"modified":"2024-05-20T20:24:05","modified_gmt":"2024-05-20T12:24:05","slug":"%e5%a6%82%e4%bd%95%e7%94%a8%e6%9d%a1%e4%bb%b6%e8%a1%a8%e8%be%be%e5%bc%8f%e8%be%93%e5%87%ba3%e4%b8%aa%e6%95%b4%e6%95%b0a%ef%bc%8cb%ef%bc%8cc%ef%bc%8c%e7%9a%84%e6%9c%80%e5%a4%a7%e7%9a%84%e6%95%b0","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/306974.html","title":{"rendered":"\u5982\u4f55\u7528\u6761\u4ef6\u8868\u8fbe\u5f0f\u8f93\u51fa3\u4e2a\u6574\u6570a\uff0cb\uff0cc\uff0c\u7684\u6700\u5927\u7684\u6570"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/26223358\/f497eeed-5c7e-4607-a802-8ca177f36677.webp\" alt=\"\u5982\u4f55\u7528\u6761\u4ef6\u8868\u8fbe\u5f0f\u8f93\u51fa3\u4e2a\u6574\u6570a\uff0cb\uff0cc\uff0c\u7684\u6700\u5927\u7684\u6570\" \/><\/p>\n<p><p>\u4f7f\u7528\u6761\u4ef6\u8868\u8fbe\u5f0f\uff08\u53c8\u79f0\u4e09\u5143\u64cd\u4f5c\u7b26\uff09\u8f93\u51fa\u4e09\u4e2a\u6574\u6570a\uff0cb\uff0cc\u7684\u6700\u5927\u6570\uff0c\u53ef\u4ee5\u901a\u8fc7\u6bd4\u8f83\u64cd\u4f5c\u6765\u5b9e\u73b0\u3002\u6761\u4ef6\u8868\u8fbe\u5f0f\u7684\u683c\u5f0f\u4e3a\u201c\u6761\u4ef6 ? \u8868\u8fbe\u5f0f1 : \u8868\u8fbe\u5f0f2\u201d\uff0c\u5176\u4e2d\u201c\u6761\u4ef6\u201d\u662f\u88ab\u6d4b\u8bd5\u7684\u6761\u4ef6\uff0c\u201c\u8868\u8fbe\u5f0f1\u201d\u662f\u5f53\u6761\u4ef6\u4e3a\u771f\u65f6\u8981\u6267\u884c\u7684\u8868\u8fbe\u5f0f\uff0c\u201c\u8868\u8fbe\u5f0f2\u201d\u662f\u5f53\u6761\u4ef6\u4e3a\u5047\u65f6\u8981\u6267\u884c\u7684\u8868\u8fbe\u5f0f\u3002<strong>\u5c06a\u3001b\u3001c\u4e09\u4e2a\u6570\u4e24\u4e24\u6bd4\u8f83<\/strong>\uff0c\u9996\u5148\u4f7f\u7528\u6761\u4ef6\u8868\u8fbe\u5f0f\u6bd4\u8f83a\u548cb\uff0c\u627e\u51fa\u8f83\u5927\u8005\uff0c\u7136\u540e\u5c06\u7ed3\u679c\u4e0ec\u6bd4\u8f83\uff0c\u4ece\u800c\u5f97\u5230\u4e09\u8005\u4e2d\u6700\u5927\u7684\u6570\u3002\u5177\u4f53\u4ee3\u7801\u5b9e\u73b0\u4e3a <code>int max = a &gt; b ? (a &gt; c ? a : c) : (b &gt; c ? b : c)<\/code>\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001CONDITIONAL EXPRESSIONS<\/h3>\n<\/p>\n<p><p>\u6761\u4ef6\u8868\u8fbe\u5f0f\u662f\u4e00\u79cd\u7d27\u51d1\u7684\u7f16\u7a0b\u7ed3\u6784\uff0c\u5b83\u53ef\u4ee5\u5728\u4e00\u4e2a\u8868\u8fbe\u5f0f\u4e2d\u6267\u884c\u4e24\u4e2a\u4e0d\u540c\u7684\u8868\u8fbe\u5f0f\u3002\u5b83\u662fif-else\u8bed\u53e5\u7684\u7b80\u6d01\u5f62\u5f0f\uff0c\u975e\u5e38\u9002\u5408\u7528\u4e8e\u8d4b\u503c\u6216\u8fd4\u56de\u503c\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n<p><p>\u5728\u6761\u4ef6\u8868\u8fbe\u5f0f\u4e2d\uff0c\u9996\u5148\u8bc4\u4f30\u6761\u4ef6\uff0c\u5982\u679c\u6761\u4ef6\u4e3a\u771f\uff0c\u5219\u6267\u884c\u5e76\u8fd4\u56de\u7b2c\u4e00\u4e2a\u8868\u8fbe\u5f0f\u7684\u7ed3\u679c\uff1b\u5982\u679c\u6761\u4ef6\u4e3a\u5047\uff0c\u5219\u6267\u884c\u7b2c\u4e8c\u4e2a\u8868\u8fbe\u5f0f\u5e76\u8fd4\u56de\u5176\u7ed3\u679c\u3002\u8fd9\u79cd\u65b9\u5f0f\u4e0d\u4ec5\u51cf\u5c11\u4e86\u4ee3\u7801\u91cf\uff0c\u800c\u4e14\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001COMPONENTS OF CONDITIONAL EXPRESSION<\/h3>\n<\/p>\n<p><p>\u6761\u4ef6\u8868\u8fbe\u5f0f\u7531\u4e09\u4e2a\u4e3b\u8981\u90e8\u5206\u7ec4\u6210\uff1a<\/p>\n<\/p>\n<ul>\n<li>\u6d4b\u8bd5\u6761\u4ef6\uff1a\u8fd9\u662f\u4e00\u4e2a\u8fd4\u56de\u5e03\u5c14\u503c\u7684\u8868\u8fbe\u5f0f\u3002<\/li>\n<li>\u7b2c\u4e00\u4e2a\u9009\u62e9\uff1a\u5f53\u6d4b\u8bd5\u6761\u4ef6\u4e3a\u771f\u65f6\u6267\u884c\u7684\u8868\u8fbe\u5f0f\u3002<\/li>\n<li>\u7b2c\u4e8c\u4e2a\u9009\u62e9\uff1a\u5f53\u6d4b\u8bd5\u6761\u4ef6\u4e3a\u5047\u65f6\u6267\u884c\u7684\u8868\u8fbe\u5f0f\u3002<\/li>\n<\/ul>\n<p><p>\u6761\u4ef6\u8868\u8fbe\u5f0f\u901a\u5e38\u7528\u4e8e\u53d8\u91cf\u8d4b\u503c\u4e2d\uff0c\u4f46\u4e5f\u5e38\u7528\u4e8e\u63a7\u5236\u6d41\u7684\u51b3\u7b56\u70b9\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001FINDING THE MAXIMUM VALUE<\/h3>\n<\/p>\n<p><p>\u8981\u4f7f\u7528\u6761\u4ef6\u8868\u8fbe\u5f0f\u627e\u5230\u4e09\u4e2a\u6574\u6570a\u3001b\u3001c\u4e2d\u7684\u6700\u5927\u503c\uff0c\u903b\u8f91\u5f88\u76f4\u63a5\u3002\u5148\u6bd4\u8f83\u524d\u4e24\u4e2a\u6570a\u548cb\uff0c\u4e4b\u540e\u5c06\u8f83\u5927\u7684\u503c\u4e0e\u7b2c\u4e09\u4e2a\u6570c\u8fdb\u884c\u6bd4\u8f83\u3002\u5bf9\u4e8e\u6bcf\u4e00\u5bf9\u6bd4\u8f83\uff0c\u90fd\u4f1a\u4f7f\u7528\u4e00\u4e2a\u6761\u4ef6\u8868\u8fbe\u5f0f\u8fdb\u884c\u5904\u7406\u3002<\/p>\n<\/p>\n<p><h4>\u6267\u884c\u987a\u5e8f<\/h4>\n<\/p>\n<ul>\n<li>\u9996\u5148<strong>\u6bd4\u8f83a\u548cb<\/strong>\uff1a\u5982\u679ca\u5927\u4e8eb\uff0c\u5219\u4e34\u65f6\u8ba4\u4e3aa\u662f\u8f83\u5927\u7684\u6570\uff1b\u5426\u5219b\u662f\u8f83\u5927\u6570\u3002<\/li>\n<li>\u7136\u540e<strong>\u5c06\u6700\u5927\u7684\u6570\u4e0ec\u6bd4\u8f83<\/strong>\uff1a\u5982\u679cc\u66f4\u5927\uff0c\u5219c\u6210\u4e3a\u6700\u5927\u7684\u6570\uff1b\u5426\u5219\uff0c\u7ef4\u6301\u539f\u5148\u7684a\u6216b\u4e3a\u6700\u5927\u6570\u3002<\/li>\n<\/ul>\n<p><h3>\u56db\u3001IMPROVING READABILITY<\/h3>\n<\/p>\n<p><p>\u4e3a\u4e86\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\uff0c\u53ef\u4ee5\u5c06\u6761\u4ef6\u8868\u8fbe\u5f0f\u5206\u6210\u51e0\u884c\u7f16\u5199\u6216\u8005\u4f7f\u7528\u62ec\u53f7\u660e\u786e\u4f18\u5148\u7ea7\u3002\u8fd9\u6837\u7684\u5904\u7406\u4e0d\u4f1a\u5f71\u54cd\u7a0b\u5e8f\u7684\u6027\u80fd\uff0c\u5374\u53ef\u4ee5\u8ba9\u5176\u4ed6\u5f00\u53d1\u8005\u66f4\u5bb9\u6613\u7406\u89e3\u4ee3\u7801\u7684\u903b\u8f91\u3002<\/p>\n<\/p>\n<p><p>\u53ef\u8bfb\u6027\u5bf9\u4e8e\u4fdd\u6301\u4ee3\u7801\u8d28\u91cf\u975e\u5e38\u5173\u952e\uff0c\u5c24\u5176\u662f\u5f53\u4f60\u7684\u4ee3\u7801\u9700\u8981\u7531\u56e2\u961f\u4e2d\u7684\u5176\u4ed6\u6210\u5458\u9605\u8bfb\u548c\u7ef4\u62a4\u65f6\u3002\u786e\u4fdd\u7f16\u5199\u7684\u4ee3\u7801\u65e2\u7b80\u6d01\u53c8\u76f4\u89c2\u3002<\/p>\n<\/p>\n<p><h3>\u4e94\u3001EXAMPLE IN CODE<\/h3>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u7f16\u7a0b\u4e2d\u4f7f\u7528\u6761\u4ef6\u8868\u8fbe\u5f0f\u6765\u6c42\u5f97\u4e09\u4e2a\u6570\u7684\u6700\u5927\u503c\u7684\u4f8b\u5b50\u5982\u4e0b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-java\">int a = 10;<\/p>\n<p>int b = 20;<\/p>\n<p>int c = 15;<\/p>\n<p>\/\/ \u4f7f\u7528\u6761\u4ef6\u8868\u8fbe\u5f0f\u6c42\u6700\u5927\u503c<\/p>\n<p>int max = a &gt; b ? (a &gt; c ? a : c) : (b &gt; c ? b : c);<\/p>\n<p>System.out.println(&quot;\u6700\u5927\u7684\u6570\u662f\uff1a&quot; + max);<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u9996\u5148\u6bd4\u8f83a\u548cb\uff0c\u7136\u540e\u5c06\u8f83\u5927\u6570\u4e0ec\u6bd4\u8f83\u3002\u6574\u4e2a\u8868\u8fbe\u5f0f\u5728\u4e00\u884c\u4e2d\u5b8c\u6210\uff0c\u786e\u4fdd\u4ee3\u7801\u7684\u7b80\u7ea6\u6027\u3002<\/p>\n<\/p>\n<p><h3>\u516d\u3001BOTTOM LINE<\/h3>\n<\/p>\n<p><p><strong>\u4f7f\u7528\u6761\u4ef6\u8868\u8fbe\u5f0f\u627e\u51fa\u4e09\u4e2a\u6574\u6570\u7684\u6700\u5927\u503c\u662f\u4e00\u4e2a\u7b80\u6d01\u9ad8\u6548\u7684\u65b9\u6cd5<\/strong>\u3002\u5b83\u907f\u514d\u4e86\u590d\u6742\u7684if-else\u8bed\u53e5\uff0c\u5e76\u4f7f\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u3002 \u7136\u800c\uff0c\u6709\u65f6\u8fc7\u5ea6\u4f7f\u7528\u6761\u4ef6\u8868\u8fbe\u5f0f\u4f1a\u4f7f\u4ee3\u7801\u96be\u4ee5\u7406\u89e3\uff0c\u56e0\u6b64\u5728\u4fdd\u6301\u4ee3\u7801\u6e05\u6670\u7684\u540c\u65f6\u4f7f\u7528\u5b83\u4eec\u975e\u5e38\u91cd\u8981\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p><strong>Q: \u5982\u4f55\u7528\u6761\u4ef6\u8868\u8fbe\u5f0f\u5224\u65ad\u5e76\u8f93\u51fa\u4e09\u4e2a\u6574\u6570a\uff0cb\uff0cc\u7684\u6700\u5927\u503c\uff1f<\/strong><\/p>\n<p>A: \u6761\u4ef6\u8868\u8fbe\u5f0f\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5feb\u901f\u5224\u65ad\u5e76\u8f93\u51fa\u4e09\u4e2a\u6574\u6570a\uff0cb\uff0cc\u7684\u6700\u5927\u503c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<pre><code class=\"language-python\">max_num = a if a &gt; b and a &gt; c else (b if b &gt; c else c)\nprint(&quot;\u6700\u5927\u503c\u4e3a:&quot;, max_num)\n<\/code><\/pre>\n<p>\u8fd9\u4e2a\u6761\u4ef6\u8868\u8fbe\u5f0f\u5305\u542b\u4e86\u4e24\u4e2a\u5d4c\u5957\u7684\u4e09\u76ee\u8fd0\u7b97\u7b26\u3002\u9996\u5148\uff0c\u5b83\u5224\u65ada\u662f\u5426\u5927\u4e8eb\u548cc\uff0c\u5982\u679c\u662f\uff0c\u5c31\u628aa\u8d4b\u503c\u7ed9max_num\u3002\u5982\u679c\u4e0d\u662f\uff0c\u5c31\u8fdb\u5165\u7b2c\u4e8c\u4e2a\u4e09\u76ee\u8fd0\u7b97\u7b26\u53bb\u6bd4\u8f83b\u548cc\uff0c\u5c06\u8f83\u5927\u7684\u90a3\u4e2a\u503c\u8d4b\u7ed9max_num\u3002\u6700\u540e\uff0c\u6211\u4eec\u6253\u5370\u51fa\u6700\u5927\u503c\u3002<\/p>\n<p><strong>Q: \u8bf7\u95ee\u5982\u4f55\u4f7f\u7528\u6761\u4ef6\u8868\u8fbe\u5f0f\u5224\u65ad\u4e09\u4e2a\u6574\u6570a\uff0cb\uff0cc\u7684\u6700\u5927\u503c\uff0c\u5e76\u5c06\u5176\u8d4b\u503c\u7ed9\u4e00\u4e2a\u53d8\u91cf\uff1f<\/strong><\/p>\n<p>A: \u6761\u4ef6\u8868\u8fbe\u5f0f\u53ef\u4ee5\u7b80\u6d01\u5730\u5224\u65ad\u5e76\u8d4b\u503c\u4e09\u4e2a\u6574\u6570a\uff0cb\uff0cc\u7684\u6700\u5927\u503c\u7ed9\u4e00\u4e2a\u53d8\u91cf\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f8b\u5b50\uff1a<\/p>\n<pre><code class=\"language-python\">maximum = a if a &gt; b and a &gt; c else (b if b &gt; c else c)\nprint(&quot;\u6700\u5927\u503c\u662f:&quot;, maximum)\n<\/code><\/pre>\n<p>\u8be5\u6761\u4ef6\u8868\u8fbe\u5f0f\u903b\u8f91\u4e0e\u524d\u9762\u7684\u76f8\u540c\uff0c\u5982\u679ca\u5927\u4e8eb\u548cc\uff0c\u5219\u5c06a\u8d4b\u503c\u7ed9maximum\u53d8\u91cf\u3002\u5982\u679c\u4e0d\u662f\uff0c\u5219\u8fdb\u5165\u7b2c\u4e8c\u4e2a\u4e09\u76ee\u8fd0\u7b97\u7b26\uff0c\u6bd4\u8f83b\u548cc\uff0c\u5c06\u8f83\u5927\u7684\u503c\u8d4b\u7ed9maximum\u53d8\u91cf\u3002\u6700\u540e\uff0c\u6211\u4eec\u6253\u5370\u51fa\u6700\u5927\u503c\u3002<\/p>\n<p><strong>Q: \u6211\u60f3\u4f7f\u7528\u6761\u4ef6\u8868\u8fbe\u5f0f\u8f93\u51fa\u4e09\u4e2a\u6574\u6570a\uff0cb\uff0cc\u7684\u6700\u5927\u503c\uff0c\u5e94\u5982\u4f55\u7f16\u5199\u4ee3\u7801\uff1f<\/strong><\/p>\n<p>A: \u901a\u8fc7\u4f7f\u7528\u6761\u4ef6\u8868\u8fbe\u5f0f\uff0c\u4f60\u53ef\u4ee5\u66f4\u7b80\u6d01\u5730\u7f16\u5199\u4ee3\u7801\u6765\u8f93\u51fa\u4e09\u4e2a\u6574\u6570a\uff0cb\uff0cc\u4e2d\u7684\u6700\u5927\u503c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<pre><code class=\"language-python\">max_value = a if a &gt; b and a &gt; c else (b if b &gt; c else c)\nprint(&quot;\u4e09\u4e2a\u6574\u6570\u4e2d\u7684\u6700\u5927\u503c\u4e3a:&quot;, max_value)\n<\/code><\/pre>\n<p>\u5728\u8fd9\u4e2a\u6761\u4ef6\u8868\u8fbe\u5f0f\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u5224\u65ada\u662f\u5426\u5927\u4e8eb\u548cc\uff0c\u5982\u679c\u662f\uff0c\u5219\u5c06a\u8d4b\u503c\u7ed9max_value\u3002\u5982\u679c\u4e0d\u662f\uff0c\u6211\u4eec\u4f7f\u7528\u7b2c\u4e8c\u4e2a\u4e09\u76ee\u8fd0\u7b97\u7b26\u6765\u6bd4\u8f83b\u548cc\uff0c\u5e76\u5c06\u8f83\u5927\u7684\u503c\u8d4b\u7ed9max_value\u3002\u6700\u540e\uff0c\u6211\u4eec\u6253\u5370\u51fa\u6700\u5927\u503c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u4f7f\u7528\u6761\u4ef6\u8868\u8fbe\u5f0f\uff08\u53c8\u79f0\u4e09\u5143\u64cd\u4f5c\u7b26\uff09\u8f93\u51fa\u4e09\u4e2a\u6574\u6570a\uff0cb\uff0cc\u7684\u6700\u5927\u6570\uff0c\u53ef\u4ee5\u901a\u8fc7\u6bd4\u8f83\u64cd\u4f5c\u6765\u5b9e\u73b0\u3002\u6761\u4ef6\u8868\u8fbe\u5f0f\u7684\u683c\u5f0f\u4e3a\u201c\u6761 [&hellip;]","protected":false},"author":3,"featured_media":306991,"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\/306974"}],"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=306974"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/306974\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/306991"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=306974"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=306974"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=306974"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}