{"id":208300,"date":"2025-07-08T15:25:11","date_gmt":"2025-07-08T07:25:11","guid":{"rendered":"https:\/\/server.hk\/cnblog\/208300\/"},"modified":"2025-07-08T15:25:11","modified_gmt":"2025-07-08T07:25:11","slug":"%e8%be%93%e5%87%ba%e5%8f%8d%e5%90%91%e9%93%be%e8%a1%a8%e6%97%b6%e5%87%ba%e7%8e%b0%e6%97%a0%e9%99%90%e5%be%aa%e7%8e%af","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/208300\/","title":{"rendered":"\u8f93\u51fa\u53cd\u5411\u94fe\u8868\u65f6\u51fa\u73b0\u65e0\u9650\u5faa\u73af"},"content":{"rendered":"

<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u8f93\u51fa\u53cd\u5411\u94fe\u8868\u65f6\u51fa\u73b0\u65e0\u9650\u5faa\u73af<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-05-01 14:36:37<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u6b22\u8fce\u5404\u4f4d\u5c0f\u4f19\u4f34\u6765\u5230\uff0c\u76f8\u805a\u4e8e\u6b64\u90fd\u662f\u7f18\u54c8\u54c8\u54c8\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\u300a\u8f93\u51fa\u53cd\u5411\u94fe\u8868\u65f6\u51fa\u73b0\u65e0\u9650\u5faa\u73af\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u8bb2\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\uff0c\u5982\u679c\u4f60\u5bf9Golang<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\u975e\u5e38\u611f\u5174\u8da3\u6216\u8005\u6b63\u5728\u81ea\u5b66\uff0c\u90fd\u53ef\u4ee5\u5173\u6ce8\u6211\uff0c\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\uff01\u5f53\u7136\uff0c\u6709\u4ec0\u4e48\u5efa\u8bae\u4e5f\u6b22\u8fce\u5728\u8bc4\u8bba\u7559\u8a00\u63d0\u51fa\uff01\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n

\u95ee\u9898\u5185\u5bb9
\n <\/p>\n

\u6211\u6b63\u5728\u5b66\u4e60 go\uff0c\u5e76\u7f16\u5199\u4e86\u4ee5\u4e0b\u4ee3\u7801\u6765\u53cd\u8f6c\u94fe\u8868\u3002\u4f46\u662f\uff0c\u8be5\u4ee3\u7801\u65e0\u6cd5\u6309\u9884\u671f\u5de5\u4f5c\u3002<\/p>\n

\u8fd9\u662f\u4e00\u4e2a node \u7ed3\u6784\u4ee5\u53ca\u7528\u4e8e\u6253\u5370\u548c\u53cd\u8f6c\u5217\u8868\u7684\u51fd\u6570\u3002<\/p>\n

type node struct {\n    number   int\n    previous *node\n    next     *node\n}\n\nfunc printlist(node *node) {\n    for n := node; n != nil; n = n.next {\n        fmt.println(n)\n    }\n}\n\nfunc reverselist(node *node) {\n    var nextnoderef *node\n\n    for n := node; n != nil; n = n.previous {\n        if n.next == nil {\n            n.next = n.previous\n            n.previous = nil\n\n            *node = *n\n\n            break\n        } else {\n            nextnoderef = n.next\n\n            n.next = n.previous\n            n.previous = nextnoderef\n\n            if n.next == nil {\n                node = n\n            }\n        }\n    }\n\n}<\/pre>\n
\u95ee\u9898\u662f\uff0c\u5f53\u6211\u53cd\u8f6c\u5217\u8868\u5e76\u8c03\u7528 printlist<\/code> \u65f6\uff0c\u6211\u5f97\u5230\u4e86\u5217\u8868\u4e2d\u6240\u6709\u5143\u7d20\u7684\u770b\u4f3c\u65e0\u9650\u7684\u8f93\u51fa\uff0c\u9664\u4e86\u6700\u540e\u4e00\u4e2a\u5143\u7d20\uff08\u66fe\u7ecf\u662f\u7b2c\u4e00\u4e2a\u5143\u7d20\uff09<\/p>\n
\u8fd9\u662f\u6211\u7684 main<\/code> \u51fd\u6570\uff1a<\/p>\n
func main() {\n    mylist := node{1, nil, nil}\n    mylistaddress := &mylist\n\n    addnumber(2, mylistaddress)\n    addnumber(3, mylistaddress)\n\n    fmt.println(\"my list:\")\n    printlist(mylistaddress)\n\n    reverselist(mylistaddress)\n    fmt.println(\"my list reversed:\")\n    \/\/ here i always get list elements that contain 3, 2, 3, 2...\n    printlist(mylistaddress)\n}<\/pre>\n
\u8fd9\u662f\u6211\u4f7f\u7528\u7684 addnumber<\/code> \u51fd\u6570\uff1a<\/p>\n
func AddNumber(number int, node *Node) *Node {\n    if node == nil {\n        log.Fatal(\"No Node provided\")\n    }\n\n    var newNode Node\n\n    for n := node; n != nil; n = n.next {\n        if n.next == nil {\n            newNode = Node{number, n, nil}\n            n.next = &newNode\n\n            break\n        }\n    }\n\n    return &newNode\n}<\/pre>\n
 <\/p>\n
\u89e3\u51b3\u65b9\u6848<\/h2>\n
 <\/p>\n
*node = *n<\/pre>\n
\u8fd9\u884c\u4ee3\u7801\u7684\u4f5c\u7528\u4e0e\u60a8\u60f3\u8c61\u7684\u4e0d\u540c\u3002\u60a8\u53ef\u80fd\u5e0c\u671b\u5b83\u5c06\u5916\u90e8 *node<\/code> \u66f4\u6539\u4e3a\u6307\u5411\u65b0\u7684\u5934\u90e8\uff08\u65e7\u7684\u5c3e\u90e8\uff09\uff0c\u662f\u5417\uff1f\u55ef\uff0c\u4e0d\uff0c\u5b83\u53ea\u662f\u66ff\u6362\u8be5\u4f4d\u7f6e\u7684\u8282\u70b9\u3002\u8fd9\u89e3\u91ca\u4e86\u4e3a\u4ec0\u4e48\u524d\u9762\u7684\u7b2c\u4e00\u4e2a\u503c\u4e22\u5931\u4e86\u3002<\/p>\n
\u6240\u4ee5\u5728\u6700\u540e\u4e00\u6b65\u4e4b\u524d\u4f60\u4f1a\u6709\u8fd9\u6837\u7684\u4e8b\u60c5<\/p>\n
nil <- 3 <=> 2 <=> 1 -> nil\n       \u2191           \u2191\n       n           node, mylistaddress<\/pre>\n
\u7136\u540e\u5c06 node<\/code> \u66ff\u6362\u4e3a n<\/code> \u7684\u503c\uff08\u5373 nil <- 3 -> 2<\/code>\uff09\u3002\u8fd9\u4f7f\u5f97\u7ed3\u6784\u770b\u8d77\u6765\u50cf\u8fd9\u6837\uff1a<\/p>\n
prev\n \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n \u2502                \u2502 node, mylistaddress    \n \u02c5                \u2502\u2571\nnil <- 3 <=> 2 -> 3 \u2500\u2500\u2510\n             ^        \u2502next\n             \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<\/pre>\n
\u987a\u4fbf\u8bf4\u4e00\u4e0b\uff0c\u8fd9\u4e2a\u5217\u8868\u592a\u5c0f\u4e86\uff0c\u6240\u4ee5\u8fd9\u4e2a\u56fe\u8868\u53ef\u80fd\u4f1a\u4ea7\u751f\u8bef\u5bfc\u3002\u4ee5\u4e0b\u662f\u66f4\u591a\u5143\u7d20\u7684\u5916\u89c2\uff1a<\/p>\n
prev\n \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n \u2502                            \u2502 node, mylistaddress    \n \u02c5                            \u2502\u2571\nnil <- 5 <=> 4 <=> 3 <=> 2 -> 5 \u2500\u2500\u2510\n             ^                    \u2502next\n             \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<\/pre>\n
\u60a8\u53ef\u4ee5\u5728\u90a3\u91cc\u4f7f\u7528 **node<\/code> \u3002\u6216\u8005\u7b80\u5355\u5730\u4ece\u51fd\u6570\u8fd4\u56de\u65b0\u7684\u5934\uff1a<\/p>\n
func reverselist(node *node) *node {\n\n    for n := node; n != nil; n = n.previous {\n        if n.next == nil {\n            n.next = n.previous\n            n.previous = nil\n\n            return n\n        } else {\n            n.next, n.previous = n.previous, n.next\n        }\n    }\n\n    return node\n}<\/pre>\n
\u7136\u540e<\/p>\n
myListAddress = ReverseList(myListAddress)<\/pre>\n
\u4ee5\u4e0a\u5c31\u662f\u300a\u8f93\u51fa\u53cd\u5411\u94fe\u8868\u65f6\u51fa\u73b0\u65e0\u9650\u5faa\u73af\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8e\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f53\u524d\u4f4d\u7f6e\uff1a > > ...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-208300","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208300","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=208300"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208300\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=208300"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=208300"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=208300"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}