{"id":64323,"date":"2026-01-23T11:16:20","date_gmt":"2026-01-23T03:16:20","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/64323.html"},"modified":"2026-01-23T11:16:20","modified_gmt":"2026-01-23T03:16:20","slug":"c%e6%b5%81%e7%a8%8b%e6%8e%a7%e5%88%b6","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/64323.html","title":{"rendered":"C++\u6d41\u7a0b\u63a7\u5236"},"content":{"rendered":"<h4>\u4e00\u3001\u6d41\u7a0b\u63a7\u5236\u7684\u6838\u5fc3\u6982\u5ff5<\/h4>\n<p>C&#043;&#043; \u7684\u6d41\u7a0b\u63a7\u5236\u5206\u4e3a\u4e09\u5927\u7c7b&#xff08;\u7ed3\u6784\u5316\u7a0b\u5e8f\u8bbe\u8ba1\u7684\u6838\u5fc3&#xff09;&#xff1a;<\/p>\n<ul>\n<li>\u987a\u5e8f\u7ed3\u6784&#xff1a;\u4ee3\u7801\u4ece\u4e0a\u5230\u4e0b\u9010\u884c\u6267\u884c&#xff08;\u9ed8\u8ba4\u903b\u8f91&#xff09;&#xff1b;<\/li>\n<li>\u5206\u652f\u7ed3\u6784&#xff1a;\u6839\u636e\u6761\u4ef6\u6267\u884c\u4e0d\u540c\u4ee3\u7801&#xff08;if\/switch&#xff09;&#xff1b;<\/li>\n<li>\u5faa\u73af\u7ed3\u6784&#xff1a;\u91cd\u590d\u6267\u884c\u67d0\u6bb5\u4ee3\u7801&#xff08;for\/while\/do-while&#xff09;\u3002<\/li>\n<\/ul>\n<h4>\u4e8c\u3001\u5206\u652f\u7ed3\u6784&#xff08;\u6761\u4ef6\u5224\u65ad&#xff09;<\/h4>\n<h5>1. if \u8bed\u53e5&#xff08;\u7075\u6d3b\u7684\u591a\u6761\u4ef6\u5224\u65ad&#xff09;<\/h5>\n<p>\u6838\u5fc3\u8bed\u6cd5&#xff08;\u5355 \/ \u53cc \/ \u591a\u5206\u652f&#xff09;&#xff1a;<\/p>\n<p>cpp<\/p>\n<p>\u8fd0\u884c<\/p>\n<p>\/\/ \u5355\u5206\u652f<br \/>\nif (\u6761\u4ef6\u8868\u8fbe\u5f0f) {<br \/>\n    \u4ee3\u7801\u5757; \/\/ \u6761\u4ef6\u4e3a\u771f\u65f6\u6267\u884c<br \/>\n}<\/p>\n<p>\/\/ \u53cc\u5206\u652f<br \/>\nif (\u6761\u4ef6\u8868\u8fbe\u5f0f) {<br \/>\n    \u4ee3\u7801\u57571;<br \/>\n} else {<br \/>\n    \u4ee3\u7801\u57572;<br \/>\n}<\/p>\n<p>\/\/ \u591a\u5206\u652f<br \/>\nif (\u6761\u4ef61) {<br \/>\n    \u4ee3\u7801\u57571;<br \/>\n} else if (\u6761\u4ef62) {<br \/>\n    \u4ee3\u7801\u57572;<br \/>\n} else {<br \/>\n    \u4ee3\u7801\u57573; \/\/ \u6240\u6709\u6761\u4ef6\u4e0d\u6ee1\u8db3\u65f6\u6267\u884c<br \/>\n}<\/p>\n<p>\u5173\u952e\u89c4\u5219&#xff1a;<\/p>\n<ul>\n<li>\u6761\u4ef6\u8868\u8fbe\u5f0f\u5fc5\u987b\u7528()\u5305\u88f9&#xff0c;\u4ee3\u7801\u5757\u7528{}\u754c\u5b9a&#xff08;\u5373\u4f7f\u5355\u884c\u4e5f\u5efa\u8bae\u5199&#xff0c;\u907f\u514d\u903b\u8f91\u9519\u8bef&#xff09;&#xff1b;<\/li>\n<li>\u6761\u4ef6\u8868\u8fbe\u5f0f\u8fd4\u56de\u5e03\u5c14\u503c&#xff08;true\/false&#xff09;&#xff0c;\u975e\u5e03\u5c14\u503c\u4f1a\u81ea\u52a8\u8f6c\u6362&#xff08;0 \u4e3a false&#xff0c;\u975e 0 \u4e3a true&#xff09;&#xff1b;<\/li>\n<li>\u591a\u5206\u652f\u4e2d\u5339\u914d\u5230\u7b2c\u4e00\u4e2a\u771f\u6761\u4ef6\u540e&#xff0c;\u540e\u7eed\u5206\u652f\u4e0d\u518d\u6267\u884c\u3002<\/li>\n<\/ul>\n<p>\u5b9e\u6218\u793a\u4f8b&#xff08;\u6210\u7ee9\u7b49\u7ea7\u5224\u65ad&#xff09;&#xff1a;<\/p>\n<p>cpp<\/p>\n<p>\u8fd0\u884c<\/p>\n<p>#include &lt;iostream&gt;<br \/>\nusing namespace std;<\/p>\n<p>int main() {<br \/>\n    int score &#061; 85;<br \/>\n    if (score &gt;&#061; 90) {<br \/>\n        cout &lt;&lt; &#034;\u4f18\u79c0&#034; &lt;&lt; endl;<br \/>\n    } else if (score &gt;&#061; 80) {<br \/>\n        cout &lt;&lt; &#034;\u826f\u597d&#034; &lt;&lt; endl; \/\/ \u6267\u884c\u6b64\u5206\u652f<br \/>\n    } else if (score &gt;&#061; 60) {<br \/>\n        cout &lt;&lt; &#034;\u53ca\u683c&#034; &lt;&lt; endl;<br \/>\n    } else {<br \/>\n        cout &lt;&lt; &#034;\u4e0d\u53ca\u683c&#034; &lt;&lt; endl;<br \/>\n    }<br \/>\n    return 0;<br \/>\n}<\/p>\n<h5>2. switch \u8bed\u53e5&#xff08;\u56fa\u5b9a\u503c\u5339\u914d&#xff09;<\/h5>\n<p>\u9002\u5408\u591a\u503c\u7b49\u503c\u5224\u65ad&#xff08;\u5982\u83dc\u5355\u9009\u62e9\u3001\u72b6\u6001\u5339\u914d&#xff09;&#xff0c;\u6bd4\u591a\u5c42 if \u66f4\u7b80\u6d01&#xff1a;<\/p>\n<p>cpp<\/p>\n<p>\u8fd0\u884c<\/p>\n<p>#include &lt;iostream&gt;<br \/>\nusing namespace std;<\/p>\n<p>int main() {<br \/>\n    int choice &#061; 2;<br \/>\n    switch (choice) { \/\/ \u53ea\u80fd\u662f\u6574\u578b\/\u5b57\u7b26\u578b\/\u679a\u4e3e\u578b<br \/>\n        case 1: \/\/ \u5339\u914dchoice&#061;1<br \/>\n            cout &lt;&lt; &#034;\u9009\u62e9\u529f\u80fd1&#034; &lt;&lt; endl;<br \/>\n            break; \/\/ \u8df3\u51faswitch&#xff0c;\u907f\u514d\u7a7f\u900f<br \/>\n        case 2:<br \/>\n            cout &lt;&lt; &#034;\u9009\u62e9\u529f\u80fd2&#034; &lt;&lt; endl; \/\/ \u6267\u884c\u6b64\u5206\u652f<br \/>\n            break;<br \/>\n        default: \/\/ \u65e0\u5339\u914d\u503c\u65f6\u6267\u884c&#xff08;\u53ef\u9009&#xff09;<br \/>\n            cout &lt;&lt; &#034;\u65e0\u6548\u9009\u62e9&#034; &lt;&lt; endl;<br \/>\n    }<br \/>\n    return 0;<br \/>\n}<\/p>\n<p>\u5173\u952e\u89c4\u5219&#xff1a;<\/p>\n<ul>\n<li>switch\u540e\u7684\u8868\u8fbe\u5f0f\u53ea\u80fd\u662f\u6574\u578b \/ \u5b57\u7b26\u578b&#xff08;\u5982 int\u3001char&#xff09;&#xff0c;\u4e0d\u80fd\u662f\u6d6e\u70b9\u578b&#xff1b;<\/li>\n<li>case\u540e\u5fc5\u987b\u662f\u5e38\u91cf&#xff08;\u4e0d\u80fd\u662f\u53d8\u91cf&#xff09;&#xff0c;break\u662f\u5fc5\u5199\u9879&#xff08;\u5426\u5219\u4f1a \u201ccase \u7a7f\u900f\u201d&#xff0c;\u6267\u884c\u540e\u7eed\u6240\u6709 case&#xff09;&#xff1b;<\/li>\n<li>default\u53ef\u9009&#xff0c;\u4f4d\u7f6e\u4e0d\u9650&#xff08;\u5efa\u8bae\u653e\u6700\u540e&#xff09;\u3002<\/li>\n<\/ul>\n<h4>\u4e09\u3001\u5faa\u73af\u7ed3\u6784&#xff08;\u91cd\u590d\u6267\u884c&#xff09;<\/h4>\n<h5>1. for \u5faa\u73af&#xff08;\u5df2\u77e5\u5faa\u73af\u6b21\u6570&#xff09;<\/h5>\n<p>\u6838\u5fc3\u8bed\u6cd5&#xff1a;<\/p>\n<p>cpp<\/p>\n<p>\u8fd0\u884c<\/p>\n<p>for (\u521d\u59cb\u5316\u8868\u8fbe\u5f0f; \u6761\u4ef6\u8868\u8fbe\u5f0f; \u66f4\u65b0\u8868\u8fbe\u5f0f) {<br \/>\n    \u5faa\u73af\u4f53; \/\/ \u6761\u4ef6\u4e3a\u771f\u65f6\u6267\u884c<br \/>\n}<\/p>\n<p>\u6267\u884c\u903b\u8f91&#xff1a;\u521d\u59cb\u5316 \u2192 \u5224\u65ad\u6761\u4ef6 \u2192 \u6267\u884c\u5faa\u73af\u4f53 \u2192 \u66f4\u65b0\u8868\u8fbe\u5f0f \u2192 \u518d\u6b21\u5224\u65ad\u6761\u4ef6&#xff08;\u76f4\u5230\u6761\u4ef6\u4e3a\u5047&#xff09;\u3002<\/p>\n<p>\u5b9e\u6218\u793a\u4f8b&#xff08;\u8ba1\u7b97 1-100 \u7684\u548c&#xff09;&#xff1a;<\/p>\n<p>cpp<\/p>\n<p>\u8fd0\u884c<\/p>\n<p>#include &lt;iostream&gt;<br \/>\nusing namespace std;<\/p>\n<p>int main() {<br \/>\n    int sum &#061; 0;<br \/>\n    for (int i &#061; 1; i &lt;&#061; 100; i&#043;&#043;) { \/\/ i\u4ece1\u5230100&#xff0c;\u6bcf\u6b21&#043;1<br \/>\n        sum &#043;&#061; i; \/\/ \u7d2f\u52a0<br \/>\n    }<br \/>\n    cout &lt;&lt; &#034;1-100\u7684\u548c&#xff1a;&#034; &lt;&lt; sum &lt;&lt; endl; \/\/ \u8f93\u51fa5050<br \/>\n    return 0;<br \/>\n}<\/p>\n<h5>2. while \u5faa\u73af&#xff08;\u672a\u77e5\u5faa\u73af\u6b21\u6570&#xff0c;\u5148\u5224\u65ad\u540e\u6267\u884c&#xff09;<\/h5>\n<p>\u6838\u5fc3\u8bed\u6cd5&#xff1a;<\/p>\n<p>cpp<\/p>\n<p>\u8fd0\u884c<\/p>\n<p>while (\u6761\u4ef6\u8868\u8fbe\u5f0f) {<br \/>\n    \u5faa\u73af\u4f53;<br \/>\n}<\/p>\n<p>\u5b9e\u6218\u793a\u4f8b&#xff08;\u731c\u6570\u5b57\u6e38\u620f&#xff09;&#xff1a;<\/p>\n<p>cpp<\/p>\n<p>\u8fd0\u884c<\/p>\n<p>#include &lt;iostream&gt;<br \/>\nusing namespace std;<\/p>\n<p>int main() {<br \/>\n    int target &#061; 7, guess;<br \/>\n    cout &lt;&lt; &#034;\u731c\u6570\u5b57&#xff08;1-10&#xff09;&#xff1a;&#034;;<br \/>\n    while (cin &gt;&gt; guess &amp;&amp; guess !&#061; target) { \/\/ \u8f93\u5165\u22607\u5219\u7ee7\u7eed\u5faa\u73af<br \/>\n        cout &lt;&lt; &#034;\u731c\u9519\u4e86&#xff0c;\u518d\u8bd5\u4e00\u6b21&#xff1a;&#034;;<br \/>\n    }<br \/>\n    cout &lt;&lt; &#034;\u731c\u5bf9\u4e86&#xff01;&#034; &lt;&lt; endl;<br \/>\n    return 0;<br \/>\n}<\/p>\n<h5>3. do-while \u5faa\u73af&#xff08;\u81f3\u5c11\u6267\u884c\u4e00\u6b21&#xff0c;\u5148\u6267\u884c\u540e\u5224\u65ad&#xff09;<\/h5>\n<p>\u6838\u5fc3\u8bed\u6cd5&#xff1a;<\/p>\n<p>cpp<\/p>\n<p>\u8fd0\u884c<\/p>\n<p>do {<br \/>\n    \u5faa\u73af\u4f53;<br \/>\n} while (\u6761\u4ef6\u8868\u8fbe\u5f0f); \/\/ \u672b\u5c3e\u5fc5\u987b\u52a0;<\/p>\n<p>\u5b9e\u6218\u793a\u4f8b&#xff08;\u786e\u4fdd\u81f3\u5c11\u8f93\u5165\u4e00\u6b21&#xff09;&#xff1a;<\/p>\n<p>cpp<\/p>\n<p>\u8fd0\u884c<\/p>\n<p>#include &lt;iostream&gt;<br \/>\nusing namespace std;<\/p>\n<p>int main() {<br \/>\n    int num;<br \/>\n    do {<br \/>\n        cout &lt;&lt; &#034;\u8f93\u5165\u4e00\u4e2a\u6b63\u6570&#xff1a;&#034;;<br \/>\n        cin &gt;&gt; num;<br \/>\n    } while (num &lt;&#061; 0); \/\/ \u8f93\u5165\u22640\u5219\u91cd\u65b0\u8f93\u5165<br \/>\n    cout &lt;&lt; &#034;\u4f60\u8f93\u5165\u7684\u6b63\u6570\u662f&#xff1a;&#034; &lt;&lt; num &lt;&lt; endl;<br \/>\n    return 0;<br \/>\n}<\/p>\n<h4>\u56db\u3001\u5faa\u73af\u63a7\u5236\u8f85\u52a9\u8bed\u53e5<\/h4>\n<li>break&#xff1a;\u7acb\u5373\u8df3\u51fa\u5f53\u524d\u5faa\u73af \/switch&#xff0c;\u6267\u884c\u540e\u7eed\u4ee3\u7801&#xff1b;<\/li>\n<li>continue&#xff1a;\u8df3\u8fc7\u672c\u6b21\u5faa\u73af\u5269\u4f59\u4ee3\u7801&#xff0c;\u76f4\u63a5\u8fdb\u5165\u4e0b\u4e00\u6b21\u5faa\u73af\u5224\u65ad&#xff1b;<\/li>\n<li>goto&#xff08;\u4e0d\u63a8\u8350&#xff09;&#xff1a;\u8df3\u8f6c\u5230\u6307\u5b9a\u6807\u7b7e\u4f4d\u7f6e&#xff0c;\u6613\u5bfc\u81f4\u4ee3\u7801\u6df7\u4e71&#xff0c;\u4ec5\u5e94\u6025\u4f7f\u7528\u3002<\/li>\n<p>\u793a\u4f8b&#xff08;break\/continue&#xff09;&#xff1a;<\/p>\n<p>cpp<\/p>\n<p>\u8fd0\u884c<\/p>\n<p>#include &lt;iostream&gt;<br \/>\nusing namespace std;<\/p>\n<p>int main() {<br \/>\n    for (int i &#061; 1; i &lt;&#061; 5; i&#043;&#043;) {<br \/>\n        if (i &#061;&#061; 3) continue; \/\/ \u8df3\u8fc7i&#061;3&#xff0c;\u76f4\u63a5i&#043;&#043;<br \/>\n        if (i &#061;&#061; 5) break;    \/\/ \u8df3\u51fa\u5faa\u73af<br \/>\n        cout &lt;&lt; i &lt;&lt; &#034; &#034;;     \/\/ \u8f93\u51fa&#xff1a;1 2 4<br \/>\n    }<br \/>\n    return 0;<br \/>\n}<\/p>\n<h4>\u603b\u7ed3<\/h4>\n<li>C&#043;&#043; \u5206\u652f\u7ed3\u6784&#xff1a;if\u9002\u5408\u7075\u6d3b\u6761\u4ef6\u5224\u65ad&#xff0c;switch\u9002\u5408\u56fa\u5b9a\u503c\u5339\u914d&#xff08;\u6ce8\u610f break \u9632\u7a7f\u900f&#xff09;&#xff1b;<\/li>\n<li>C&#043;&#043; \u5faa\u73af\u7ed3\u6784&#xff1a;for\u5df2\u77e5\u5faa\u73af\u6b21\u6570&#xff0c;while\u672a\u77e5\u6b21\u6570&#xff08;\u5148\u5224\u65ad&#xff09;&#xff0c;do-while\u81f3\u5c11\u6267\u884c\u4e00\u6b21&#xff1b;<\/li>\n<li>\u5faa\u73af\u63a7\u5236&#xff1a;break\u8df3\u51fa\u5faa\u73af&#xff0c;continue\u8df3\u8fc7\u672c\u6b21\u5faa\u73af&#xff0c;\u5c3d\u91cf\u907f\u514d goto\u3002<\/li>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u6d41\u7a0b\u63a7\u5236\u7684\u6838\u5fc3\u6982\u5ff5<br \/>\nC \u7684\u6d41\u7a0b\u63a7\u5236\u5206\u4e3a\u4e09\u5927\u7c7b&#xff08;\u7ed3\u6784\u5316\u7a0b\u5e8f\u8bbe\u8ba1\u7684\u6838\u5fc3&#xff09;&#xff1a;<br \/>\n\u987a\u5e8f\u7ed3\u6784&#xff1a;\u4ee3\u7801\u4ece\u4e0a\u5230\u4e0b\u9010\u884c\u6267\u884c&#xff08;\u9ed8\u8ba4\u903b\u8f91&#xff09;&#xff1b;\u5206\u652f\u7ed3\u6784&#xff1a;\u6839\u636e\u6761\u4ef6\u6267\u884c\u4e0d\u540c\u4ee3\u7801&#xff08;if\/switch&#xff09;&#xff1b;\u5faa\u73af\u7ed3\u6784&#xff1a;\u91cd\u590d\u6267\u884c\u67d0\u6bb5\u4ee3\u7801&#xff08;for\/while\/do-while&#xff09;\u3002<br \/>\n\u4e8c\u3001\u5206\u652f\u7ed3\u6784&#xff08;\u6761\u4ef6\u5224<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[55,190,427],"topic":[],"class_list":["post-64323","post","type-post","status-publish","format-standard","hentry","category-server","tag-c","tag-190","tag-427"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C++\u6d41\u7a0b\u63a7\u5236 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/64323.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C++\u6d41\u7a0b\u63a7\u5236 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u4e00\u3001\u6d41\u7a0b\u63a7\u5236\u7684\u6838\u5fc3\u6982\u5ff5 C \u7684\u6d41\u7a0b\u63a7\u5236\u5206\u4e3a\u4e09\u5927\u7c7b&#xff08;\u7ed3\u6784\u5316\u7a0b\u5e8f\u8bbe\u8ba1\u7684\u6838\u5fc3&#xff09;&#xff1a; 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