{"id":3387,"date":"2025-03-30T21:52:30","date_gmt":"2025-03-30T13:52:30","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=3387"},"modified":"2025-03-30T21:52:30","modified_gmt":"2025-03-30T13:52:30","slug":"c-%e8%af%ad%e8%a8%80%e4%b8%ad%e7%9a%84%e5%be%aa%e7%8e%af%e8%af%ad%e5%8f%a5","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/03\/30\/c-%e8%af%ad%e8%a8%80%e4%b8%ad%e7%9a%84%e5%be%aa%e7%8e%af%e8%af%ad%e5%8f%a5\/","title":{"rendered":"C \u8bed\u8a00\u4e2d\u7684\u5faa\u73af\u8bed\u53e5"},"content":{"rendered":"\n

C \u8bed\u8a00\u63d0\u4f9b\u4e86\u591a\u79cd\u5faa\u73af\u8bed\u53e5\uff0c\u4e3b\u8981\u7528\u4e8e\u5728\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u65f6\u91cd\u590d\u6267\u884c\u67d0\u4e00\u6bb5\u4ee3\u7801\u3002\u8fd9\u4e9b\u5faa\u73af\u8bed\u53e5\u5305\u62ec for<\/code> \u5faa\u73af\u3001while<\/code> \u5faa\u73af\u3001do-while<\/code> \u5faa\u73af\u7b49\u3002<\/p>\n\n\n\n

1. for \u5faa\u73af<\/strong><\/h2>\n\n\n\n

for<\/code> \u5faa\u73af\u7528\u4e8e\u5728\u5df2\u77e5\u8fed\u4ee3\u6b21\u6570\u7684\u60c5\u51b5\u4e0b\u6267\u884c\u4e00\u6bb5\u4ee3\u7801\u3002\u5b83\u7531\u4e09\u90e8\u5206\u7ec4\u6210\uff1a<\/p>\n\n\n\n

    \n
  • \u521d\u59cb\u5316\uff1a\u901a\u5e38\u7528\u6765\u5b9a\u4e49\u4e00\u4e2a\u53d8\u91cf\u5e76\u7ed9\u5b83\u4e00\u4e2a\u521d\u503c\u3002<\/li>\n\n\n\n
  • \u6761\u4ef6\u5224\u65ad\uff1a\u5f53\u6761\u4ef6\u4e3a\u771f\u65f6\uff0c\u7ee7\u7eed\u6267\u884c\u5faa\u73af\u3002<\/li>\n\n\n\n
  • \u8fed\u4ee3\u66f4\u65b0\uff1a\u6bcf\u6b21\u5faa\u73af\u7ed3\u675f\u65f6\u66f4\u65b0\u5faa\u73af\u53d8\u91cf\u3002<\/li>\n<\/ul>\n\n\n\n
    for (initialization; condition; increment\/decrement) {\n    \/\/ \u6267\u884c\u7684\u4ee3\u7801\n}<\/code><\/pre>\n\n\n\n
    \u793a\u4f8b\uff1a<\/h3>\n\n\n\n
    #include <stdio.h>\n\nint main() {\n    for (int i = 0; i < 5; i++) {\n        printf(\"i = %d\\n\", i);\n    }\n    return 0;\n}<\/code><\/pre>\n\n\n\n
    \u8f93\u51fa\uff1a<\/p>\n\n\n\n
    i = 0\ni = 1\ni = 2\ni = 3\ni = 4<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    2. while \u5faa\u73af<\/strong><\/h2>\n\n\n\n
    while<\/code> \u5faa\u73af\u7528\u4e8e\u5728\u6761\u4ef6\u4e3a\u771f\u65f6\u53cd\u590d\u6267\u884c\u4ee3\u7801\u5757\u3002\u5f53\u6761\u4ef6\u9996\u6b21\u4e0d\u6ee1\u8db3\u65f6\uff0c\u5faa\u73af\u505c\u6b62\u3002<\/p>\n\n\n\n
    while (condition) {\n    \/\/ \u6267\u884c\u7684\u4ee3\u7801\n}<\/code><\/pre>\n\n\n\n
    \u793a\u4f8b\uff1a<\/h3>\n\n\n\n
    #include <stdio.h>\n\nint main() {\n    int i = 0;\n    while (i < 5) {\n        printf(\"i = %d\\n\", i);\n        i++;\n    }\n    return 0;\n}<\/code><\/pre>\n\n\n\n
    \u8f93\u51fa\uff1a<\/p>\n\n\n\n
    i = 0\ni = 1\ni = 2\ni = 3\ni = 4<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    3. do-while \u5faa\u73af<\/strong><\/h2>\n\n\n\n
    do-while<\/code> \u5faa\u73af\u4e0e while<\/code> \u5faa\u73af\u7c7b\u4f3c\uff0c\u533a\u522b\u5728\u4e8e do-while<\/code> \u5faa\u73af\u603b\u662f\u81f3\u5c11\u6267\u884c\u4e00\u6b21\u3002\u5373\u4f7f\u6761\u4ef6\u6700\u521d\u4e0d\u6ee1\u8db3\uff0c\u4ee3\u7801\u4e5f\u4f1a\u5148\u6267\u884c\u4e00\u6b21\uff0c\u7136\u540e\u518d\u5224\u65ad\u6761\u4ef6\u3002<\/p>\n\n\n\n
    do {\n    \/\/ \u6267\u884c\u7684\u4ee3\u7801\n} while (condition);<\/code><\/pre>\n\n\n\n
    \u793a\u4f8b\uff1a<\/h3>\n\n\n\n
    #include <stdio.h>\n\nint main() {\n    int i = 0;\n    do {\n        printf(\"i = %d\\n\", i);\n        i++;\n    } while (i < 5);\n    return 0;\n}<\/code><\/pre>\n\n\n\n
    \u8f93\u51fa\uff1a<\/p>\n\n\n\n
    i = 0\ni = 1\ni = 2\ni = 3\ni = 4<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    4. \u5faa\u73af\u63a7\u5236\u8bed\u53e5<\/strong><\/h2>\n\n\n\n
    C \u8bed\u8a00\u63d0\u4f9b\u4e86\u51e0\u79cd\u63a7\u5236\u5faa\u73af\u6267\u884c\u7684\u8bed\u53e5\uff0c\u5305\u62ec break<\/code>\u3001continue<\/code> \u548c goto<\/code>\u3002<\/p>\n\n\n\n
    4.1 break \u8bed\u53e5<\/strong><\/h3>\n\n\n\n
    break<\/code> \u8bed\u53e5\u7528\u4e8e\u8df3\u51fa\u5f53\u524d\u5faa\u73af\uff08\u6216 switch<\/code> \u8bed\u53e5\uff09\u3002\u5f53\u6ee1\u8db3\u67d0\u4e2a\u6761\u4ef6\u65f6\uff0c\u53ef\u4ee5\u63d0\u524d\u9000\u51fa\u5faa\u73af\u3002<\/p>\n\n\n\n
    for (int i = 0; i < 10; i++) {\n    if (i == 5) {\n        break;  \/\/ \u5f53 i \u7b49\u4e8e 5 \u65f6\u8df3\u51fa\u5faa\u73af\n    }\n    printf(\"%d\\n\", i);\n}<\/code><\/pre>\n\n\n\n
    \u8f93\u51fa\uff1a<\/p>\n\n\n\n
    0\n1\n2\n3\n4<\/code><\/pre>\n\n\n\n
    4.2 continue \u8bed\u53e5<\/strong><\/h3>\n\n\n\n
    continue<\/code> \u8bed\u53e5\u7528\u4e8e\u8df3\u8fc7\u5f53\u524d\u5faa\u73af\u7684\u5269\u4f59\u90e8\u5206\uff0c\u76f4\u63a5\u8fdb\u5165\u4e0b\u4e00\u6b21\u5faa\u73af\u3002\u5b83\u901a\u5e38\u7528\u4e8e\u8df3\u8fc7\u4e0d\u7b26\u5408\u6761\u4ef6\u7684\u8fed\u4ee3\u3002<\/p>\n\n\n\n
    for (int i = 0; i < 5; i++) {\n    if (i == 3) {\n        continue;  \/\/ \u8df3\u8fc7 i \u7b49\u4e8e 3 \u7684\u5faa\u73af\u8fed\u4ee3\n    }\n    printf(\"%d\\n\", i);\n}<\/code><\/pre>\n\n\n\n
    \u8f93\u51fa\uff1a<\/p>\n\n\n\n
    0\n1\n2\n4<\/code><\/pre>\n\n\n\n
    4.3 goto \u8bed\u53e5<\/strong><\/h3>\n\n\n\n
    goto<\/code> \u8bed\u53e5\u53ef\u4ee5\u65e0\u6761\u4ef6\u8df3\u8f6c\u5230\u7a0b\u5e8f\u4e2d\u7684\u6307\u5b9a\u6807\u7b7e\u3002\u8fd9\u79cd\u8bed\u53e5\u901a\u5e38\u4e0d\u63a8\u8350\u4f7f\u7528\uff0c\u56e0\u4e3a\u5b83\u53ef\u80fd\u4f7f\u7a0b\u5e8f\u7ed3\u6784\u6df7\u4e71\uff0c\u96be\u4ee5\u7406\u89e3\u548c\u7ef4\u62a4\u3002<\/p>\n\n\n\n
    #include <stdio.h>\n\nint main() {\n    int i = 0;\n    start:  \/\/ \u6807\u7b7e\n    if (i < 5) {\n        printf(\"%d\\n\", i);\n        i++;\n        goto start;  \/\/ \u8df3\u56de\u5230 start \u6807\u7b7e\u5904\n    }\n    return 0;\n}<\/code><\/pre>\n\n\n\n
    \u8f93\u51fa\uff1a<\/p>\n\n\n\n
    0\n1\n2\n3\n4<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    \u603b\u7ed3<\/h2>\n\n\n\n
      \n
    • for<\/code> \u5faa\u73af\uff1a\u9002\u7528\u4e8e\u5df2\u77e5\u5faa\u73af\u6b21\u6570\u7684\u573a\u666f\u3002<\/li>\n\n\n\n
    • while<\/code> \u5faa\u73af\uff1a\u9002\u7528\u4e8e\u5faa\u73af\u6b21\u6570\u4e0d\u786e\u5b9a\uff0c\u57fa\u4e8e\u6761\u4ef6\u5224\u65ad\u7684\u573a\u666f\u3002<\/li>\n\n\n\n
    • do-while<\/code> \u5faa\u73af\uff1a\u9002\u7528\u4e8e\u81f3\u5c11\u6267\u884c\u4e00\u6b21\u7684\u60c5\u51b5\u3002<\/li>\n\n\n\n
    • \u5faa\u73af\u63a7\u5236\u8bed\u53e5\uff1abreak<\/code> \u7528\u4e8e\u8df3\u51fa\u5faa\u73af\uff0ccontinue<\/code> \u7528\u4e8e\u8df3\u8fc7\u5f53\u524d\u5faa\u73af\uff0cgoto<\/code> \u7528\u4e8e\u8df3\u8f6c\u5230\u6307\u5b9a\u6807\u7b7e\uff08\u4e0d\u63a8\u8350\uff09\u3002<\/li>\n<\/ul>\n\n\n\n
      \u8fd9\u4e9b\u5faa\u73af\u8bed\u53e5\u548c\u63a7\u5236\u7ed3\u6784\u662f C \u8bed\u8a00\u7f16\u7a0b\u4e2d\u6700\u5e38\u7528\u7684\u5de5\u5177\u4e4b\u4e00\uff0c\u7528\u4e8e\u5b9e\u73b0\u91cd\u590d\u64cd\u4f5c\u548c\u63a7\u5236\u7a0b\u5e8f\u7684\u6267\u884c\u6d41\u7a0b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
      C \u8bed\u8a00\u63d0\u4f9b\u4e86\u591a\u79cd\u5faa\u73af\u8bed\u53e5\uff0c\u4e3b\u8981\u7528\u4e8e\u5728\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u65f6\u91cd\u590d\u6267\u884c\u67d0\u4e00\u6bb5\u4ee3\u7801\u3002\u8fd9\u4e9b\u5faa\u73af\u8bed\u53e5\u5305\u62ec for \u5faa\u73af\u3001whi […]<\/p>\n","protected":false},"author":1,"featured_media":3389,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[82],"tags":[],"class_list":["post-3387","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-c"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3387","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=3387"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3387\/revisions"}],"predecessor-version":[{"id":3390,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3387\/revisions\/3390"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media\/3389"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=3387"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=3387"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=3387"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}