{"id":1223,"date":"2026-05-02T15:03:58","date_gmt":"2026-05-02T07:03:58","guid":{"rendered":"http:\/\/wordpress.fangt.online\/?p=1223"},"modified":"2026-05-02T15:03:58","modified_gmt":"2026-05-02T07:03:58","slug":"%e5%be%aa%e7%8e%af%e7%bb%93%e6%9e%84","status":"publish","type":"post","link":"http:\/\/wordpress.fangt.online\/index.php\/2026\/05\/02\/%e5%be%aa%e7%8e%af%e7%bb%93%e6%9e%84\/","title":{"rendered":"\u5faa\u73af\u7ed3\u6784"},"content":{"rendered":"\n

for\u5faa\u73af\u7684\u57fa\u672c\u7ed3\u6784<\/h3>\n\n\n\n
for (\u521d\u59cb\u5316; \u6761\u4ef6; \u66f4\u65b0) {\n    \/\/ \u8981\u91cd\u590d\u6267\u884c\u7684\u4ee3\u7801\n}<\/code><\/pre>\n\n\n\n
    \n
  1. \u521d\u59cb\u5316\uff1a\u5faa\u73af\u6b63\u5f0f\u5f00\u59cb\u524d\u5148\u6267\u884c\uff0c\u53ea\u6267\u884c\u4e00\u6b21<\/li>\n\n\n\n
  2. \u6761\u4ef6\uff1a\u6bcf\u6b21\u8fdb\u5165\u5faa\u73af\u524d\u68c0\u67e5\uff0c\u7ed3\u679c\u4e3a\u771f\u5219\u6267\u884c\u5faa\u73af\u5185\u5bb9<\/li>\n\n\n\n
  3. \u66f4\u65b0\uff1a\u6bcf\u6b21\u5faa\u73af\u5185\u5bb9\u6267\u884c\u7ed3\u675f\u540e\u6267\u884c\uff0c\u6267\u884c\u5b8c\u56de\u5230\u201c\u6761\u4ef6\u201d\u4f4d\u7f6e<\/li>\n<\/ol>\n\n\n\n
    \u4f7f\u7528\u6848\u4f8b\uff1a\u6253\u5370\u6570\u5b570\uff5e4<\/h3>\n\n\n\n
    #include <iostream>\nusing namespace std;\n\nint main() {\n    for (int i = 0; i < 5; i++) {\n        cout << i << endl;\n    }\n    return 0;\n}<\/code><\/pre>\n\n\n\n
    \u6267\u884c\u987a\u5e8f\uff1a<\/p>\n\n\n\n
      \n
    1. int i = 0<\/code> (\u521d\u59cb\u5316\uff0c\u53ea\u6267\u884c\u4e00\u6b21)<\/li>\n\n\n\n
    2. \u68c0\u67e5 i < <\/code>5 (0 < 5\uff0c\u4e3a\u771f)<\/li>\n\n\n\n
    3. \u6267\u884c cout << i << endl;<\/code> (\u8f93\u51fa 0 \u6362\u884c)<\/li>\n\n\n\n
    4. \u6267\u884c i++<\/code> (i\u53d8\u4e3a1)<\/li>\n\n\n\n
    5. \u68c0\u67e5 i < <\/code>5 (1 < 5\uff0c\u4e3a\u771f)<\/li>\n\n\n\n
    6. \u6267\u884c cout << i << endl;<\/code> (\u8f93\u51fa 1 \u6362\u884c)<\/li>\n\n\n\n
    7. … \u91cd\u590d\u76f4\u5230\u6761\u4ef6\u4e3a\u5047<\/li>\n<\/ol>\n\n\n\n
      for\u5faa\u73af\u7684\u5e38\u89c1\u7528\u6cd5<\/h3>\n\n\n\n
        \n
      • \u8ba1\u6570\u5faa\u73af\uff08\u5e38\u7528\uff09<\/li>\n<\/ul>\n\n\n\n
          <\/ol>\n\n\n\n
          \/\/ \u6253\u53701-10\nfor (int i = 1; i <= 10; i++) {\n    cout << i << \" \";\n}\n\/\/ \u8f93\u51fa\uff1a1 2 3 4 5 6 7 8 9 10<\/code><\/pre>\n\n\n\n
            \n
          • \u5012\u5e8f\u5faa\u73af<\/li>\n<\/ul>\n\n\n\n
            \/\/ \u5012\u8ba1\u65f6\uff1a5 4 3 2 1\nfor (int i = 5; i >= 1; i--) {\n    cout << i << \" \";\n}<\/code><\/pre>\n\n\n\n
              \n
            • \u6b65\u957f\u4e0d\u4e3a1\u7684\u5faa\u73af<\/li>\n<\/ul>\n\n\n\n
              \/\/ \u6253\u53700-10\u4e4b\u95f4\u7684\u5076\u6570\nfor (int i = 0; i <= 10; i += 2) {\n    cout << i << \" \";\n}\n\/\/ \u8f93\u51fa\uff1a0 2 4 6 8 10<\/code><\/pre>\n\n\n\n
              \u5b9e\u9645\u5e94\u7528\u793a\u4f8b<\/h3>\n\n\n\n
              \u793a\u4f8b1:\u8ba1\u7b971-100\u7684\u548c<\/p>\n\n\n\n
              int sum = 0;\nfor (int i = 1; i <= 100; i++) {\n    sum += i;  \/\/ \u7b49\u4ef7\u4e8e sum = sum + i\n}\ncout << \"1\u5230100\u7684\u548c\u662f\uff1a\" << sum << endl;<\/code><\/pre>\n\n\n\n
              \u793a\u4f8b2:\u627en\u4e2a\u6b63\u6574\u6570\u4e2d\u7684\u6700\u5927\u503c<\/p>\n\n\n\n
              int n,a;\ncin >> n;\nint max = -1;\nfor (int i = 1; i <= n; i++) {\n    cin >> a;\n    if(max < a){\n        max = a;\n    }\n}\ncout << \"\u6700\u5927\u503c\u662f\uff1a\" << max << endl;<\/code><\/pre>\n\n\n\n
              \u63a7\u5236\u5faa\u73af\u7684\u5173\u952e\u5b57<\/h3>\n\n\n\n
                \n
              • break \u7acb\u5373\u7ed3\u675f\u6574\u4e2a\u5faa\u73af<\/li>\n<\/ul>\n\n\n\n
                \/\/ \u627e\u5230\u7b2c\u4e00\u4e2a\u8d1f\u6570\u5c31\u505c\u6b62\nint num;\nfor (int i = 0; i < 6; i++) {\n    cin >> num; \/\/ 5 3 -2 7 -1 4\n    if (num < 0) {\n        cout << num << \" \";\n        break;  \/\/ \u7acb\u5373\u9000\u51fa\u5faa\u73af\n    }\n}\n\/\/\u8f93\u51fa\uff1a5 3<\/code><\/pre>\n\n\n\n
                  \n
                • continue \u8df3\u8fc7\u672c\u6b21\u5faa\u73af<\/li>\n<\/ul>\n\n\n\n
                  \/\/ \u53ea\u6253\u5370\u6b63\u6570\uff0c\u8df3\u8fc7\u8d1f\u6570\nint num;\nfor (int i = 0; i < 5; i++) {\n    cin >> num; \/\/ 5 -3 2 -7 1\n    if (num < 0) {\n        continue;  \/\/ \u8df3\u8fc7\u8d1f\u6570\uff0c\u7ee7\u7eed\u4e0b\u4e00\u6b21\u5faa\u73af\n    }\n    cout << num << \" \";\n}\n\/\/ \u8f93\u51fa\uff1a5 2 1<\/code><\/pre>\n\n\n\n
                  \u5e38\u89c1\u9519\u8bef<\/h3>\n\n\n\n
                    \n
                  • \u6b7b\u5faa\u73af\u9519\u8bef<\/li>\n<\/ul>\n\n\n\n
                    \/\/ \u274c \u5fd8\u8bb0\u66f4\u65b0\u53d8\u91cf\nfor (int i = 0; i < 5; ) {  \/\/ \u7f3a\u5c11 i++\n    cout << i << endl;\n    \/\/ \u4f1a\u4e00\u76f4\u8f93\u51fa0\uff0c\u6c38\u8fdc\u505c\u4e0d\u4e0b\u6765\uff01\n}<\/code><\/pre>\n\n\n\n
                      \n
                    • \u5206\u53f7\u4f4d\u7f6e\u9519\u8bef<\/li>\n<\/ul>\n\n\n\n
                      \/\/ \u274c \u9519\u8bef\uff1a\u5728for\u540e\u9762\u52a0\u591a\u4f59\u7684\u5206\u53f7\nfor (int i = 0; i < 5; i++);  \/\/ \u8fd9\u4e2a\u5206\u53f7\u7ed3\u675f\u4e86\u5faa\u73af\n{\n    cout << i << endl;  \/\/ \u8fd9\u884c\u53ea\u6267\u884c\u4e00\u6b21\uff0c\u800c\u4e14i\u7684\u4f5c\u7528\u57df\u53ef\u80fd\u6709\u95ee\u9898\n}\n\n\/\/ \u2705 \u6b63\u786e\uff1a\u6ca1\u6709\u591a\u4f59\u5206\u53f7\nfor (int i = 0; i < 5; i++) {\n    cout << i << endl;  \/\/ \u8fd9\u4f1a\u6267\u884c5\u6b21\n}<\/code><\/pre>\n\n\n\n
                        \n
                      • \u4f5c\u7528\u57df\u95ee\u9898<\/li>\n<\/ul>\n\n\n\n
                        for (int i = 0; i < 5; i++) {\n    \/\/ i\u5728\u8fd9\u91cc\u53ef\u7528\n}\n\/\/ i\u5728\u8fd9\u91cc\u4e0d\u53ef\u7528\uff08\u8d85\u51fa\u4f5c\u7528\u57df\uff09\ncout << i << endl;  \/\/ \u274c \u7f16\u8bd1\u9519\u8bef<\/code><\/pre>\n\n\n\n
                          \n
                        • \u4e0eif\u8bed\u53e5\u7c7b\u4f3c\uff0cfor\u5faa\u73af\u7684{}\u4e2d\u53ea\u6709\u4e00\u53e5\u65f6\u4e5f\u80fd\u7701\u7565\u5927\u62ec\u53f7\uff0c\u65b0\u624b\u4e0d\u8981\u8fd9\u6837\u505a<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
                          for\u5faa\u73af\u7684\u57fa\u672c\u7ed3\u6784 \u4f7f\u7528\u6848\u4f8b\uff1a\u6253\u5370\u6570\u5b570\uff5e4 \u6267\u884c\u987a\u5e8f\uff1a for\u5faa\u73af\u7684\u5e38\u89c1\u7528\u6cd5 \u5b9e\u9645\u5e94\u7528\u793a\u4f8b \u793a\u4f8b1:\u8ba1\u7b971 […]<\/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-1223","post","type-post","status-publish","format-standard","hentry","category-zl"],"_links":{"self":[{"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/posts\/1223","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=1223"}],"version-history":[{"count":1,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/posts\/1223\/revisions"}],"predecessor-version":[{"id":1224,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/posts\/1223\/revisions\/1224"}],"wp:attachment":[{"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/media?parent=1223"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/categories?post=1223"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/tags?post=1223"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}