{"id":1278,"date":"2026-01-08T09:11:30","date_gmt":"2026-01-08T01:11:30","guid":{"rendered":"https:\/\/www.640629.xyz\/?p=1278"},"modified":"2026-01-08T14:10:30","modified_gmt":"2026-01-08T06:10:30","slug":"while-loop","status":"publish","type":"post","link":"https:\/\/www.640629.xyz\/?p=1278","title":{"rendered":"While\u8ff4\u5708\u7df4\u7fd2"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/img.640629.xyz\/i\/2024\/09\/25\/66f3bf7fa1f4e.png\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u4f7f\u7528for\u8ff4\u5708\u63a7\u52368\u500bLED\u71c8\u540c\u6642\u4eae\u6ec5\u9583\u720d\u7684\u7a0b\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"cpp\" class=\"language-cpp\">int LED[8]={15,16,17,18,19,21,22,23}; \/\/ LED\u63a5\u8173\u9663\u5217\n\nvoid setup() {\n  for(int i=0; i&lt;=7; i++)\n  {\n    pinMode(LED[i],OUTPUT);     \/\/ LED[0]~LED[7]\u70ba\u8f38\u51fa\u8173\n    digitalWrite(LED[i], HIGH); \/\/ LED[0]~LED[7]\u5168\u6ec5\n  }\n}\n\nvoid loop() {\n  for(int i=0; i&lt;=7 ; i++)\n  {\n    digitalWrite(LED[i], LOW);  \/\/ LED[0]~LED[7]\u5168\u4eae\n  }\n\n  delay(500);\n\n  for(int i=0; i&lt;=7 ; i++)\n  {\n    digitalWrite(LED[i], HIGH); \/\/ LED[0]~LED[7]\u5168\u6ec5\n  }\n\n  delay(500);\n}<\/code><\/pre>\n\n\n\n<p>\u82e5\u4f7f\u7528while\u8ff4\u5708\u6539\u5beb\uff0c\u5e38\u898b\u7684\u65b9\u6cd5\u6709\u4e0b\u5217\u5e7e\u7a2e\uff1a<\/p>\n\n\n\n<p>\u7b2c1\u7a2e\u65b9\u6cd5\uff1awhile()<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"cpp\" class=\"language-cpp\">int LED[8]={15,16,17,18,19,21,22,23}; \/\/ LED\u63a5\u8173\u9663\u5217\n\nvoid setup() {\n  \/\/ \u65b9\u6cd51\n  int i = 0;     \/\/ \u521d\u59cb\u503c\n  while (i &lt;= 7) \/\/ \u53ea\u8981\u6eff\u8db3while()\u7684\u689d\u4ef6\uff0c\u5247\u505a{.....}\u5167\u7684\u7a0b\u5f0f\n  {\n    pinMode(LED[i], OUTPUT);    \/\/ LED[0]~LED[7]\u70ba\u8f38\u51fa\u8173\n    digitalWrite(LED[i], HIGH); \/\/ LED[0]~LED[7]\u5168\u6ec5\n    i++;                        \/\/ \u505a\u5b8c\u4e00\u6b21\u52a01\n  }\n\n}\n\nvoid loop() {\n  \/\/ \u65b9\u6cd51\n  int i = 0;     \/\/ \u521d\u59cb\u503c\n  while (i &lt;= 7) \/\/ \u53ea\u8981\u6eff\u8db3while()\u7684\u689d\u4ef6\uff0c\u5247\u505a{.....}\u5167\u7684\u7a0b\u5f0f\n  {\n    digitalWrite(LED[i], LOW);  \/\/ LED[0]~LED[7]\u5168\u4eae\n    i++;                        \/\/ \u505a\u5b8c\u4e00\u6b21\u52a01\n  }\n  \n  delay(500);\n\n  i = 0;         \/\/ \u521d\u59cb\u503c\n  while (i &lt;= 7) \/\/ \u53ea\u8981\u6eff\u8db3while()\u7684\u689d\u4ef6\uff0c\u5247\u505a{.....}\u5167\u7684\u7a0b\u5f0f\n  {\n    digitalWrite(LED[i], HIGH); \/\/ LED[0]~LED[7]\u5168\u6ec5\n    i++;                        \/\/ \u505a\u5b8c\u4e00\u6b21\u52a01\n  }\n\n  delay(500);\n}<\/code><\/pre>\n\n\n\n<p>\u7b2c2\u7a2e\u65b9\u6cd5\uff1a\u7121\u7aae\u8ff4\u5708 + \u689d\u4ef6\u5224\u65b7 while(1)&#8230;break <\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"cpp\" class=\"language-cpp\">int LED[8]={15,16,17,18,19,21,22,23}; \/\/ LED\u63a5\u8173\u9663\u5217\n\nvoid setup() {\n  \/\/ \u65b9\u6cd52\n  int i = 0;  \/\/ \u521d\u59cb\u503c\n  while (1)   \/\/ \u6c38\u9060\u57f7\u884c{.....}\u5167\u7684\u7a0b\u5f0f\n  {\n    pinMode(LED[i], OUTPUT);    \/\/ LED[0]~LED[7]\u70ba\u8f38\u51fa\u8173\n    digitalWrite(LED[i], HIGH); \/\/ LED[0]~LED[7]\u5168\u6ec5\n    i++;                        \/\/ \u505a\u5b8c\u4e00\u6b21\u52a01\n    if(i &gt; 7) break;            \/\/ \u53ea\u8981i&gt;7\uff0c\u96e2\u958bwhile(1)\u7121\u7aae\u8ff4\u5708\n  }\n\n}\n\nvoid loop() {\n  \/\/ \u65b9\u6cd52\n  int i = 0;  \/\/ \u521d\u59cb\u503c\n  while (1)   \/\/ \u6c38\u9060\u57f7\u884c{.....}\u5167\u7684\u7a0b\u5f0f\n  {\n    digitalWrite(LED[i], LOW);  \/\/ LED[0]~LED[7]\u5168\u4eae\n    i++;                        \/\/ \u505a\u5b8c\u4e00\u6b21\u52a01\n    if(i &gt; 7) break;            \/\/ \u53ea\u8981i&gt;7\uff0c\u96e2\u958bwhile(1)\u7121\u7aae\u8ff4\u5708\n  }\n  \n  delay(500);\n\n  i = 0;      \/\/ \u521d\u59cb\u503c\n  while (1)   \/\/ \u6c38\u9060\u57f7\u884c{.....}\u5167\u7684\u7a0b\u5f0f\n  {\n    digitalWrite(LED[i], HIGH); \/\/ LED[0]~LED[7]\u5168\u6ec5\n    i++;                        \/\/ \u505a\u5b8c\u4e00\u6b21\u52a01\n    if(i &gt; 7) break;            \/\/ \u53ea\u8981i&gt;7\uff0c\u96e2\u958bwhile(1)\u7121\u7aae\u8ff4\u5708\n  }\n\n  delay(500);\n}<\/code><\/pre>\n\n\n\n<p>\u7b2c3\u7a2e\u65b9\u6cd5\uff1ado<code>...<\/code>while\u8ff4\u5708<\/p>\n\n\n\n<p><code>do...while<\/code>&nbsp;\u8ff4\u5708\u6703\u5148\u57f7\u884c\u8ff4\u5708\u5167\u7684\u7a0b\u5f0f\u78bc\uff0c\u7136\u5f8c\u518d\u6aa2\u67e5\u689d\u4ef6\u3002\u5373\u4f7f\u689d\u4ef6\u4e00\u958b\u59cb\u5c31\u4e0d\u6210\u7acb\uff0c\u8ff4\u5708\u5167\u7684\u7a0b\u5f0f\u78bc\u4e5f\u6703\u81f3\u5c11\u57f7\u884c\u4e00\u6b21\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"cpp\" class=\"language-cpp\">int LED[8]={15,16,17,18,19,21,22,23}; \/\/ LED\u63a5\u8173\u9663\u5217\n\nvoid setup() {\n  \/\/ \u65b9\u6cd53\n  int i = 0;  \/\/ \u521d\u59cb\u503c\n  do          \/\/ \u5148\u505a\u4e00\u6b21{.....}\u7684\u7a0b\u5f0f\uff0c\u518d\u5224\u65b7while()\u689d\u4ef6\u662f\u5426\u6210\u7acb\n  {\n    pinMode(LED[i], OUTPUT);    \/\/ LED[0]~LED[7]\u70ba\u8f38\u51fa\u8173\n    digitalWrite(LED[i], HIGH); \/\/ LED[0]~LED[7]\u5168\u6ec5\n    i++;                        \/\/ \u505a\u5b8c\u4e00\u6b21\u52a01\n  } while(i &lt;= 7);              \/\/ \u82e5while()\u689d\u4ef6\u6210\u7acb\uff0c\u5247\u7e7c\u7e8c\u57f7\u884c{.....}\u7684\u7a0b\u5f0f\uff0c\u5426\u5247\u5c31\u96e2\u958b\n}\n\nvoid loop() {\n  \/\/ \u65b9\u6cd53\n  int i = 0;  \/\/ \u521d\u59cb\u503c\n  do          \/\/ \u5148\u505a\u4e00\u6b21{.....}\u7684\u7a0b\u5f0f\uff0c\u518d\u5224\u65b7while()\u689d\u4ef6\u662f\u5426\u6210\u7acb\n  {\n    digitalWrite(LED[i], LOW);  \/\/ LED[0]~LED[7]\u5168\u4eae\n    i++;                        \/\/ \u505a\u5b8c\u4e00\u6b21\u52a01\n  } while(i &lt;= 7);              \/\/ \u82e5while()\u689d\u4ef6\u6210\u7acb\uff0c\u5247\u7e7c\u7e8c\u57f7\u884c{.....}\u7684\u7a0b\u5f0f\uff0c\u5426\u5247\u5c31\u96e2\u958b\n  \n  delay(500);\n\n  i = 0;  \/\/ \u521d\u59cb\u503c\n  do      \/\/ \u5148\u505a\u4e00\u6b21{.....}\u7684\u7a0b\u5f0f\uff0c\u518d\u5224\u65b7while()\u689d\u4ef6\u662f\u5426\u6210\u7acb\n  {\n    digitalWrite(LED[i], HIGH); \/\/ LED[0]~LED[7]\u5168\u6ec5\n    i++;                        \/\/ \u505a\u5b8c\u4e00\u6b21\u52a01\n  } while(i &lt;= 7);              \/\/ \u82e5while()\u689d\u4ef6\u6210\u7acb\uff0c\u5247\u7e7c\u7e8c\u57f7\u884c{.....}\u7684\u7a0b\u5f0f\uff0c\u5426\u5247\u5c31\u96e2\u958b\n\n  delay(500);\n}<\/code><\/pre>\n\n\n\n<p>\u4f5c\u696d\u7df4\u7fd2\uff1a\u53c3\u8003<a href=\"https:\/\/www.640629.xyz\/?p=713&amp;swcfpc=1\" target=\"_blank\" rel=\"noreferrer noopener\">2025-09-25\u4f5c\u696d<\/a>\uff0c\u4f7f\u7528while\u3001while(1)&#8230;break\u3001do&#8230;while()\u9019\u4e09\u7a2e\u8a9e\u6cd5\u6539\u5beb\u539ffor\u8ff4\u5708\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u958b\u6a5f\u5f8c\uff0c\u5168\u4eae\u5168\u6ec5\u5feb\u95832\u6b21\u3002(\u65b9\u6cd51)<\/li>\n\n\n\n<li>\u5faa\u74b0\u986f\u793a\u4e0b\u5217\u72c0\u614b\uff1a\n<ul class=\"wp-block-list\">\n<li>\u55ae\u500bLED\uff0c\u5de6\u53bb\uff0c\u53f3\u56de\u3002(\u65b9\u6cd52)<\/li>\n\n\n\n<li>\u55ae\u500bLED\uff0c\u53f3\u53bb\uff0c\u5de6\u56de\u3002(\u65b9\u6cd52)<\/li>\n\n\n\n<li>\u5168\u4eae\u5168\u6ec5\u5feb\u95833\u6b21\u3002(\u65b9\u6cd51)<\/li>\n\n\n\n<li>2\u500bLED\u9023\u5728\u4e00\u8d77\uff0c\u5de6\u53bb\uff0c\u53f3\u56de\u3002(\u65b9\u6cd53)<\/li>\n\n\n\n<li>2\u500bLED\u9023\u5728\u4e00\u8d77\uff0c\u53f3\u53bb\uff0c\u5de6\u56de\u3002(\u65b9\u6cd53)<\/li>\n\n\n\n<li>\u5168\u6ec5\u3002(\u65b9\u6cd51)<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u5728Wokwi\u7db2\u7ad9\u4e0a\u9032\u884c\u6a21\u64ec\uff0c\u4e26\u5b8c\u6210\u5be6\u9ad4\u63a5\u7dda\u3002<\/li>\n<\/ol>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528for\u8ff4\u5708\u63a7\u52368\u500bLED\u71c8\u540c\u6642\u4eae\u6ec5\u9583\u720d\u7684\u7a0b\u5f0f\u5982\u4e0b\uff1a \u82e5\u4f7f\u7528while\u8ff4\u5708\u6539\u5beb\uff0c\u5e38\u898b\u7684\u65b9\u6cd5\u6709\u4e0b\u5217\u5e7e\u7a2e\uff1a \u7b2c1<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-1278","post","type-post","status-publish","format-standard","hentry","category-programming"],"_links":{"self":[{"href":"https:\/\/www.640629.xyz\/index.php?rest_route=\/wp\/v2\/posts\/1278","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.640629.xyz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.640629.xyz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.640629.xyz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.640629.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1278"}],"version-history":[{"count":23,"href":"https:\/\/www.640629.xyz\/index.php?rest_route=\/wp\/v2\/posts\/1278\/revisions"}],"predecessor-version":[{"id":2360,"href":"https:\/\/www.640629.xyz\/index.php?rest_route=\/wp\/v2\/posts\/1278\/revisions\/2360"}],"wp:attachment":[{"href":"https:\/\/www.640629.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1278"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.640629.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1278"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.640629.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1278"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}