{"id":1180,"date":"2026-05-01T23:50:15","date_gmt":"2026-05-01T15:50:15","guid":{"rendered":"http:\/\/wordpress.fangt.online\/?p=1180"},"modified":"2026-05-01T23:50:15","modified_gmt":"2026-05-01T15:50:15","slug":"%e9%80%bb%e8%be%91%e8%bf%90%e7%ae%97%e7%ac%a6%e4%b8%8e%e5%88%86%e6%94%af%e7%bb%93%e6%9e%84","status":"publish","type":"post","link":"http:\/\/wordpress.fangt.online\/index.php\/2026\/05\/01\/%e9%80%bb%e8%be%91%e8%bf%90%e7%ae%97%e7%ac%a6%e4%b8%8e%e5%88%86%e6%94%af%e7%bb%93%e6%9e%84\/","title":{"rendered":"\u903b\u8f91\u8fd0\u7b97\u7b26\u4e0e\u5206\u652f\u7ed3\u6784"},"content":{"rendered":"\n

\u903b\u8f91\u8fd0\u7b97\u7b26<\/h2>\n\n\n\n

\u8fd0\u7b97\u7ed3\u679c\u4e3a\u5e03\u5c14\u578b\u6570\u636e\uff08\u53ea\u6709true\u548cfalse\uff09<\/p>\n\n\n\n

\u8fd0\u7b97\u7b26<\/th>\u540d\u79f0<\/th>\u542b\u4e49<\/th>\u793a\u4f8b\uff08\u7ed3\u679c\uff09<\/th><\/tr><\/thead>
!<\/code><\/strong><\/td>\u903b\u8f91\u975e<\/strong><\/td>\u53d6\u53cd\u3002\u5982\u679c\u64cd\u4f5c\u6570\u4e3a true<\/code>\uff0c\u5219\u7ed3\u679c\u4e3a false<\/code>\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002<\/td>!true<\/code> \u2192 false<\/code><\/td><\/tr>
&&<\/code><\/strong><\/td>\u903b\u8f91\u4e0e<\/strong><\/td>\u4ec5\u5f53\u4e24\u4e2a<\/strong>\u64cd\u4f5c\u6570\u90fd\u4e3a true<\/code> \u65f6\uff0c\u7ed3\u679c\u624d\u4e3a true<\/code>\u3002<\/td>true && false<\/code> \u2192 false<\/code><\/td><\/tr>
||<\/code><\/strong><\/td>\u903b\u8f91\u6216<\/strong><\/td>\u53ea\u8981\u4efb\u610f\u4e00\u4e2a<\/strong>\u64cd\u4f5c\u6570\u4e3a true<\/code>\uff0c\u7ed3\u679c\u5c31\u4e3a true<\/code>\u3002<\/td>true || false<\/code> \u2192 true<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u771f\u503c\u8868<\/p>\n\n\n\n

\u6761\u4ef6A<\/th>\u6761\u4ef6B<\/th>!\u6761\u4ef6A<\/code><\/th>\u6761\u4ef6A && \u6761\u4ef6B<\/code><\/th>\u6761\u4ef6A || \u6761\u4ef6B<\/code><\/th><\/tr><\/thead>
true<\/td>true<\/td>false<\/strong><\/td>true<\/strong><\/td>true<\/strong><\/td><\/tr>
true<\/td>false<\/td>false<\/strong><\/td>false<\/strong><\/td>true<\/strong><\/td><\/tr>
false<\/td>true<\/td>true<\/strong><\/td>false<\/strong><\/td>true<\/strong><\/td><\/tr>
false<\/td>false<\/td>true<\/strong><\/td>false<\/strong><\/td>false<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u76f8\u5173\u7279\u6027\u4e0e\u6982\u5ff5<\/h3>\n\n\n\n
    \n
  1. \u77ed\u8def\u6c42\u503c\n
      \n
    • &&\uff08\u903b\u8f91\u4e0e\uff09\uff1a\u5982\u679c\u5de6\u8fb9<\/strong>\u7684\u64cd\u4f5c\u6570\u7ed3\u679c\u4e3a false<\/code>\uff0c\u5219\u6574\u4e2a\u8868\u8fbe\u5f0f\u7acb\u523b\u786e\u5b9a\u4e3a false<\/code><\/strong>\uff0c\u53f3\u8fb9<\/strong>\u7684\u64cd\u4f5c\u6570\u6839\u672c\u4e0d\u4f1a\u88ab\u6267\u884c\u6216\u8ba1\u7b97<\/strong>\u3002<\/li>\n\n\n\n
    • ||\uff08\u903b\u8f91\u6216\uff09\uff1a\u5982\u679c\u5de6\u8fb9<\/strong>\u7684\u64cd\u4f5c\u6570\u7ed3\u679c\u4e3a true<\/code>\uff0c\u5219\u6574\u4e2a\u8868\u8fbe\u5f0f\u7acb\u523b\u786e\u5b9a\u4e3a true<\/code><\/strong>\uff0c\u53f3\u8fb9<\/strong>\u7684\u64cd\u4f5c\u6570\u4e0d\u4f1a\u88ab\u8ba1\u7b97<\/strong>\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n
    • \u64cd\u4f5c\u6570\u4e0e\u8fd4\u56de\u503c\n
        \n
      • \u64cd\u4f5c\u6570<\/strong>\uff1a \u901a\u5e38\u662f\u7ed3\u679c\u4e3a bool<\/code> \u7c7b\u578b\u7684\u8868\u8fbe\u5f0f\uff08\u5982 a > b<\/code>\uff0c flag<\/code>\uff09\u3002C++ \u4e2d\uff0c\u4efb\u4f55\u975e\u96f6\u503c<\/strong>\u5728\u903b\u8f91\u4e0a\u4e0b\u6587\u4e2d\u90fd\u88ab\u89c6\u4e3a true<\/code>\uff0c\u96f6\u503c<\/strong>\u88ab\u89c6\u4e3a false<\/code>\u3002<\/li>\n\n\n\n
      • \u8fd4\u56de\u503c<\/strong>\uff1a \u903b\u8f91\u8fd0\u7b97\u7b26\u7684\u7ed3\u679c\u662f bool<\/code><\/strong> \u7c7b\u578b\uff0c\u5373 true<\/code> \u6216 false<\/code>\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n
      • \u8fd0\u7b97\u7b26\u4f18\u5148\u7ea7\uff1a\u5728\u590d\u6742\u8868\u8fbe\u5f0f\u4e2d\uff0c\u903b\u8f91\u975e>\u903b\u8f91\u4e0e>\u903b\u8f91\u6216<\/li>\n<\/ol>\n\n\n\n
        bool result = !true || false && true;\n\/\/ \u7b49\u4ef7\u4e8e\uff1a((!true) || (false && true)) <\/code><\/pre>\n\n\n\n
        \u5206\u652f\u7ed3\u6784\uff1aif\u8bed\u53e5<\/h2>\n\n\n\n
        \u5355\u5206\u652f\u53e5\u5f0f<\/h3>\n\n\n\n
        if (\u6761\u4ef6\u8868\u8fbe\u5f0f) {\n    \/\/ \u5f53\u6761\u4ef6\u4e3a\u771f\u65f6\u6267\u884c\u7684\u4ee3\u7801\u5757\n}<\/code><\/pre>\n\n\n\n
          \n
        • \u8ba1\u7b97\u6761\u4ef6\u8868\u8fbe\u5f0f\u7684\u503c<\/li>\n\n\n\n
        • \u5982\u679c\u503c\u4e3atrue\uff08\u975e0\uff09\uff0c\u6267\u884c{}\u4e2d\u7684\u4ee3\u7801<\/li>\n\n\n\n
        • \u5982\u679c\u503c\u4e3afalse\uff080\uff09\uff0c\u8df3\u8fc7{}\u4e2d\u7684\u4ee3\u7801<\/li>\n<\/ul>\n\n\n\n
          \u53cc\u5206\u652f\u53e5\u5f0f<\/h3>\n\n\n\n
          if (\u6761\u4ef6\u8868\u8fbe\u5f0f) {\n    \/\/ \u6761\u4ef6\u4e3a\u771f\u65f6\u6267\u884c\u7684\u4ee3\u7801\u5757\n} else {\n    \/\/ \u6761\u4ef6\u4e3a\u5047\u65f6\u6267\u884c\u7684\u4ee3\u7801\u5757\n}<\/code><\/pre>\n\n\n\n
            \n
          • \u8ba1\u7b97\u6761\u4ef6\u8868\u8fbe\u5f0f\u7684\u503c\uff0c\u6709\u9009\u62e9\u7684\u6267\u884c\u4e24\u4e2a{}\u4ee3\u7801\u4e2d\u7684\u4e00\u4e2a<\/li>\n<\/ul>\n\n\n\n
            \u591a\u5206\u652f\u53e5\u5f0f<\/h3>\n\n\n\n
            if (\u6761\u4ef61) {\n    \/\/ \u6761\u4ef61\u4e3a\u771f\u65f6\u6267\u884c\n} else if (\u6761\u4ef62) {\n    \/\/ \u6761\u4ef61\u4e3a\u5047\uff0c\u4f46\u6761\u4ef62\u4e3a\u771f\u65f6\u6267\u884c\n} else if (\u6761\u4ef63) {\n    \/\/ \u6761\u4ef61\u30012\u4e3a\u5047\uff0c\u4f46\u6761\u4ef63\u4e3a\u771f\u65f6\u6267\u884c\n} else {\n    \/\/ \u6240\u6709\u6761\u4ef6\u90fd\u4e3a\u5047\u65f6\u6267\u884c\n}<\/code><\/pre>\n\n\n\n
              \n
            • \u4ece\u4e0a\u81f3\u4e0b\u8ba1\u7b97\u6bcf\u4e00\u4e2a\u6761\u4ef6\uff0c\u76f4\u5230\u7ed3\u679c\u4e3a\u771f\uff0c\u6267\u884c\u5176\u4e2d\u4e00\u4e2a\u4ee3\u7801<\/li>\n<\/ul>\n\n\n\n
              \u5927\u62ec\u53f7{}\u7528\u6cd5<\/h3>\n\n\n\n
                \n
              • \u5f53\u6761\u4ef6\u5bf9\u5e94\u7684\u6267\u884c\u5185\u5bb9\u53ea\u6709\u4e00\u53e5\u65f6\uff0c\u53ef\u4ee5\u7701\u7565\u5927\u62ec\u53f7\uff0c\u4f46\u5bf9\u4e8e\u65b0\u624b\uff0c\u5f3a\u70c8\u5efa\u8bae\u59cb\u7ec8\u4f7f\u7528\u5927\u62ec\u53f7\uff0c\u5373\u4f7f\u53ea\u6709\u4e00\u884c\u4ee3\u7801<\/li>\n\n\n\n
              • \u6ca1\u6709\u5927\u62ec\u53f7\u65f6\uff0c\u53ea\u63a7\u5236\u7d27\u968f\u5176\u540e\u7684\u4e00\u53e5\u4ee3\u7801<\/li>\n<\/ul>\n\n\n\n
                \/\/ \u6b63\u786e\u4f46\u4e0d\u63a8\u8350\nif (x > 0)\n    cout << \"\u6b63\u6570\";\nelse\n    cout << \"\u975e\u6b63\u6570\";\n\n\/\/ \u63a8\u8350\u5199\u6cd5 - \u66f4\u6e05\u6670\uff0c\u66f4\u5b89\u5168\nif (x > 0) {\n    cout << \"\u6b63\u6570\";\n} else {\n    cout << \"\u975e\u6b63\u6570\";\n}<\/code><\/pre>\n\n\n\n
                \u5d4c\u5957\u6761\u4ef6\u7ed3\u6784<\/h3>\n\n\n\n
                \u7ed3\u6784\u4e4b\u95f4\u53ef\u4ee5\u76f8\u4e92\u5d4c\u5957<\/p>\n\n\n\n
                int age = 20;\nbool hasLicense = true;\n\nif (age >= 18) {\n    cout << \"\u6ee1\u8db3\u5e74\u9f84\u8981\u6c42\" << endl;\n    if (hasLicense) {\n        cout << \"\u53ef\u4ee5\u5408\u6cd5\u9a7e\u9a76\" << endl;\n    } else {\n        cout << \"\u4f46\u9700\u8981\u8003\u53d6\u9a7e\u7167\" << endl;\n    }\n} else {\n    cout << \"\u672a\u6ee118\u5c81\uff0c\u4e0d\u80fd\u9a7e\u9a76\" << endl;\n}<\/code><\/pre>\n\n\n\n
                \u5e38\u89c1\u9519\u8bef<\/h3>\n\n\n\n
                  \n
                • \u8d4b\u503c\u8fd0\u7b97\u7b26\uff08=\uff09\u5f53\u6bd4\u8f83\u8fd0\u7b97\u7b26\uff08==\uff09\u7528<\/li>\n<\/ul>\n\n\n\n
                  \/\/ \u9519\u8bef\uff1a\u8fd9\u662f\u8d4b\u503c\uff0c\u4e0d\u662f\u6bd4\u8f83\uff01\nif (x = 5) {  \/\/ \u603b\u662f\u4e3a\u771f\uff0c\u56e0\u4e3a x=5 \u8fd4\u56de 5\uff08\u975e\u96f6\uff09\n    cout << \"x\u7b49\u4e8e5\";\n}\n\n\/\/ \u6b63\u786e\nif (x == 5) {\n    cout << \"x\u7b49\u4e8e5\";\n}<\/code><\/pre>\n\n\n\n
                    \n
                  • \u60ac\u7a7aelse\u95ee\u9898<\/li>\n<\/ul>\n\n\n\n
                    \/\/ \u54ea\u4e2aif\u5bf9\u5e94\u54ea\u4e2aelse\uff1f\u5bb9\u6613\u6df7\u6dc6\nif (con1)\n    if (con2)\n        statement1;\nelse  \/\/ \u8fd9\u4e2aelse\u5b9e\u9645\u5c5e\u4e8e\u6700\u8fd1\u7684if(con2)\uff0c\u800c\u4e0d\u662fif(con1)\n    \n\/\/ \u89e3\u51b3\u65b9\u6cd5\uff1a\u4f7f\u7528\u5927\u62ec\u53f7\u660e\u786e\u8303\u56f4\nif (con1) {\n    if (con2) {\n        statement1;\n    } else {\n        statement2;\n    }\n}<\/code><\/pre>\n\n\n\n
                      \n
                    • \u5ffd\u7565\u8fb9\u754c\u95ee\u9898<\/li>\n<\/ul>\n\n\n\n
                      \/\/ \u9519\u8bef\uff1a99\u5206\u4e5f\u4f1a\u88ab\u5224\u65ad\u4e3aB\nif (score >= 90) grade = 'A';\nif (score >= 80) grade = 'B';  \/\/ \u8fd9\u91cc\u5e94\u8be5\u7528 else if<\/code><\/pre>\n\n\n\n
                      \u623f\u8001\u5e08\u5efa\u8bae<\/h2>\n\n\n\n
                        \n
                      1. \u59cb\u7ec8\u4f7f\u7528\u5927\u62ec\u53f7 {}<\/code><\/strong><\/li>\n\n\n\n
                      2. \u4fdd\u6301\u6761\u4ef6\u7b80\u5355\u6e05\u6670<\/strong>\uff0c\u590d\u6742\u903b\u8f91\u62c6\u5206\u6216\u4f7f\u7528\u53d8\u91cf<\/li>\n\n\n\n
                      3. \u4f7f\u7528\u6709\u610f\u4e49\u7684\u5e03\u5c14\u53d8\u91cf\u540d<\/strong><\/li>\n\n\n\n
                      4. \u6ce8\u610f\u6761\u4ef6\u7684\u6392\u5217\u987a\u5e8f<\/strong>\uff0c\u5c06\u6700\u5e38\u89c1\u6216\u6700\u53ef\u80fd\u7684\u60c5\u51b5\u653e\u5728\u524d\u9762<\/li>\n\n\n\n
                      5. \u907f\u514d\u8fc7\u6df1\u7684\u5d4c\u5957<\/strong>\uff08\u4e00\u822c\u4e0d\u8d85\u8fc73\u5c42\uff09<\/li>\n<\/ol>\n\n\n\n
                        \u6761\u4ef6\u8fd0\u7b97\u7b26\uff08\u4e09\u76ee\u8fd0\u7b97\u7b26\u6216\u79f0\u4e09\u5143\u8fd0\u7b97\u7b26\uff09<\/h3>\n\n\n\n
                        \u4f5c\u4e3aif-else\u53cc\u5206\u652f\u7ed3\u6784\u7684\u7b80\u6d01\u66ff\u4ee3\u65b9\u5f0f<\/p>\n\n\n\n
                        \/\/ \u6807\u51c6if-else\nint max;\nif (a > b) {\n    max = a;\n} else {\n    max = b;\n}\n\n\/\/ \u4f7f\u7528\u4e09\u5143\u8fd0\u7b97\u7b26\nint max = (a > b) ? a : b;\n\n\/\/ \u66f4\u590d\u6742\u7684\u4f8b\u5b50\nstring result = (score >= 60) ? \"\u53ca\u683c\" : \"\u4e0d\u53ca\u683c\";\ncout << \"\u8003\u8bd5\u7ed3\u679c: \" << result << endl;<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
                        \u903b\u8f91\u8fd0\u7b97\u7b26 \u8fd0\u7b97\u7ed3\u679c\u4e3a\u5e03\u5c14\u578b\u6570\u636e\uff08\u53ea\u6709true\u548cfalse\uff09 \u8fd0\u7b97\u7b26 \u540d\u79f0 \u542b\u4e49 \u793a\u4f8b\uff08\u7ed3\u679c\uff09 ! \u903b\u8f91\u975e \u53d6 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[61],"tags":[],"class_list":["post-1180","post","type-post","status-publish","format-standard","hentry","category-zl"],"_links":{"self":[{"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/posts\/1180","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/comments?post=1180"}],"version-history":[{"count":1,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/posts\/1180\/revisions"}],"predecessor-version":[{"id":1181,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/posts\/1180\/revisions\/1181"}],"wp:attachment":[{"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/media?parent=1180"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/categories?post=1180"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/tags?post=1180"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}