{"id":506,"date":"2024-12-25T00:48:58","date_gmt":"2024-12-24T16:48:58","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=506"},"modified":"2024-12-25T00:48:58","modified_gmt":"2024-12-24T16:48:58","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8if%e8%af%ad%e5%8f%a5%e4%b8%ad%e6%ad%a3%e7%a1%ae%e4%bd%bf%e7%94%a8%e5%a4%9a%e4%b8%aaor%e6%9d%a1%e4%bb%b6%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2024\/12\/25\/%e5%a6%82%e4%bd%95%e5%9c%a8if%e8%af%ad%e5%8f%a5%e4%b8%ad%e6%ad%a3%e7%a1%ae%e4%bd%bf%e7%94%a8%e5%a4%9a%e4%b8%aaor%e6%9d%a1%e4%bb%b6%ef%bc%9f\/","title":{"rendered":"\u5982\u4f55\u5728if\u8bed\u53e5\u4e2d\u6b63\u786e\u4f7f\u7528\u591a\u4e2aOR\u6761\u4ef6\uff1f"},"content":{"rendered":"\n
\n

\u5728\u7f16\u7a0b\u4e2d\uff0cif<\/code> \u8bed\u53e5\u652f\u6301\u591a\u4e2a\u6761\u4ef6\u7ec4\u5408\uff0c\u4f7f\u7528 OR<\/code> \u6761\u4ef6\uff08\u901a\u5e38\u8868\u793a\u4e3a ||<\/code>\uff09\u53ef\u4ee5\u5728\u4efb\u610f\u6761\u4ef6\u4e3a\u771f\u65f6\u6267\u884c\u4ee3\u7801\u3002\u4ee5\u4e0b\u662f\u6b63\u786e\u4f7f\u7528\u591a\u4e2a OR<\/code> \u6761\u4ef6\u7684\u65b9\u5f0f\uff1a<\/p>\n<\/blockquote>\n\n\n\n

\n\n\n\n

\u57fa\u672c\u8bed\u6cd5<\/strong><\/h3>\n\n\n\n

\u4ee5 C\u3001C++ \u6216\u7c7b\u4f3c\u8bed\u8a00\u4e3a\u4f8b\uff0c||<\/code> \u7528\u4e8e\u8868\u793a\u903b\u8f91 “OR”\u3002<\/p>\n\n\n\n

#include <stdio.h>\n\nint main() {\n    int num = 5;\n\n    if (num == 3 || num == 5 || num == 7) { \/\/ \u4efb\u4e00\u6761\u4ef6\u4e3a\u771f\n        printf(\"The number is 3, 5, or 7.\\n\");\n    } else {\n        printf(\"The number is not 3, 5, or 7.\\n\");\n    }\n\n    return 0;\n}<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u6ce8\u610f\u4e8b\u9879<\/strong><\/h3>\n\n\n\n
    \n
  1. \u6761\u4ef6\u4e4b\u95f4\u7528 ||<\/code> \u8fde\u63a5<\/strong>
    \u6bcf\u4e2a\u6761\u4ef6\u5fc5\u987b\u662f\u4e00\u4e2a\u5b8c\u6574\u7684\u5e03\u5c14\u8868\u8fbe\u5f0f\u3002<\/li>\n<\/ol>\n\n\n\n
       if (x == 1 || x == 2 || x == 3) { \/\/ \u6b63\u786e<\/code><\/pre>\n\n\n\n
      \n
    1. \u907f\u514d\u5728\u6761\u4ef6\u4e2d\u6df7\u6dc6\u8d4b\u503c\u548c\u6bd4\u8f83<\/strong><\/li>\n<\/ol>\n\n\n\n
        \n
      • \u9519\u8bef\uff1a
        c if (x = 1 || x = 2) { \/\/ \u4e0d\u5c0f\u5fc3\u4f7f\u7528\u8d4b\u503c<\/code><\/li>\n\n\n\n
      • \u6b63\u786e\uff1a
        c if (x == 1 || x == 2) { \/\/ \u6b63\u786e\u4f7f\u7528\u6bd4\u8f83<\/code><\/li>\n<\/ul>\n\n\n\n
          \n
        1. \u4f7f\u7528\u62ec\u53f7\u660e\u786e\u903b\u8f91\u987a\u5e8f<\/strong>
          \u5982\u679c\u6761\u4ef6\u5f88\u590d\u6742\uff0c\u53ef\u4ee5\u7528\u62ec\u53f7\u63d0\u5347\u53ef\u8bfb\u6027\u3002<\/li>\n<\/ol>\n\n\n\n
             if ((x > 5 && x < 10) || (y == 20)) {\n       printf(\"Condition met.\\n\");\n   }<\/code><\/pre>\n\n\n\n
          \n\n\n\n
          \u591a\u6761\u4ef6\u7684\u5176\u4ed6\u5b9e\u73b0\u65b9\u6cd5<\/strong><\/h3>\n\n\n\n
          1. \u7528\u6570\u7ec4\u548c\u5faa\u73af<\/strong><\/h4>\n\n\n\n
          \u9002\u7528\u4e8e\u9700\u8981\u68c0\u67e5\u591a\u4e2a\u503c\u662f\u5426\u5339\u914d\u7684\u60c5\u51b5\u3002<\/p>\n\n\n\n
          #include <stdio.h>\n\nint main() {\n    int num = 5;\n    int validNumbers[] = {3, 5, 7};\n    int isValid = 0;\n\n    for (int i = 0; i < 3; i++) {\n        if (num == validNumbers[i]) {\n            isValid = 1;\n            break;\n        }\n    }\n\n    if (isValid) {\n        printf(\"The number is valid.\\n\");\n    } else {\n        printf(\"The number is not valid.\\n\");\n    }\n\n    return 0;\n}<\/code><\/pre>\n\n\n\n
          \n\n\n\n
          2. \u7528\u903b\u8f91\u8868\u6216\u4f4d\u63a9\u7801\uff08\u9002\u7528\u4e8e\u56fa\u5b9a\u8303\u56f4\uff09<\/strong><\/h4>\n\n\n\n
          \u5982\u679c\u8303\u56f4\u56fa\u5b9a\uff0c\u53ef\u4ee5\u7528\u4f4d\u8fd0\u7b97\u7b80\u5316\u68c0\u67e5\u3002<\/p>\n\n\n\n
          #include <stdio.h>\n\nint main() {\n    int num = 5;\n\n    \/\/ \u4f7f\u7528\u4f4d\u63a9\u7801\u8868\u793a\u6709\u6548\u503c 3, 5, 7\n    if (num == 3 || num == 5 || num == 7) {\n        printf(\"Valid number.\\n\");\n    } else {\n        printf(\"Invalid number.\\n\");\n    }\n\n    return 0;\n}<\/code><\/pre>\n\n\n\n
          \n\n\n\n
          \u603b\u7ed3<\/strong><\/h3>\n\n\n\n
          \u5728 if<\/code> \u8bed\u53e5\u4e2d\u4f7f\u7528\u591a\u4e2a OR<\/code> \u6761\u4ef6\uff1a<\/p>\n\n\n\n
            \n
          • \u6761\u4ef6\u4e4b\u95f4\u4f7f\u7528 ||<\/code>\u3002<\/li>\n\n\n\n
          • \u786e\u4fdd\u6bcf\u4e2a\u6761\u4ef6\u662f\u72ec\u7acb\u7684\u5e03\u5c14\u8868\u8fbe\u5f0f\u3002<\/li>\n\n\n\n
          • \u5bf9\u590d\u6742\u903b\u8f91\u6dfb\u52a0\u62ec\u53f7\uff0c\u589e\u5f3a\u53ef\u8bfb\u6027\u3002<\/li>\n\n\n\n
          • \u5bf9\u5927\u91cf\u6761\u4ef6\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u6570\u7ec4\u6216\u5176\u4ed6\u66f4\u9ad8\u6548\u7684\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
            \u5728\u7f16\u7a0b\u4e2d\uff0cif \u8bed\u53e5\u652f\u6301\u591a\u4e2a\u6761\u4ef6\u7ec4\u5408\uff0c\u4f7f\u7528 OR \u6761\u4ef6\uff08\u901a\u5e38\u8868\u793a\u4e3a ||\uff09\u53ef\u4ee5\u5728\u4efb\u610f\u6761\u4ef6\u4e3a\u771f\u65f6\u6267\u884c\u4ee3\u7801\u3002\u4ee5\u4e0b\u662f […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[59],"tags":[],"class_list":["post-506","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/506","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=506"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/506\/revisions"}],"predecessor-version":[{"id":507,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/506\/revisions\/507"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=506"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=506"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=506"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}