{"id":15542,"date":"2024-11-18T20:11:51","date_gmt":"2024-11-18T12:11:51","guid":{"rendered":"https:\/\/fwq.ai\/blog\/?p=15542"},"modified":"2024-11-18T20:11:51","modified_gmt":"2024-11-18T12:11:51","slug":"go%e4%b8%ad%e7%bb%93%e6%9e%84%e4%bd%93-struct-%e4%b8%ad%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/15542\/","title":{"rendered":"Go\u4e2d\u7ed3\u6784\u4f53 struct \u4e2d\u7684\u65b9\u6cd5"},"content":{"rendered":"

\u4eca\u5929\u5728\u770b\u5230 struct \u7ae0\u8282\uff0c\u5176\u4e2d\u63d0\u53ca\u5230\u4e86\u65b9\u6cd5\uff0c\u5148\u770b\u4e0bGo\u4e2d\u7684\u65b9\u6cd5\u5b9a\u4e49\u8bed\u6cd5\uff1a<\/p>\n

 <\/p>\n

\u4e00\u822c\u5f62\u5f0f\uff1a<\/p>\n

func (recv receiver_type) methodName(parameter_list) (return_value_list) { ... }<\/pre>\n
\u5982\u679c\u65b9\u6cd5\u4e0d\u9700\u8981\u4f7f\u7528 recv \u7684\u503c\uff0c\u53ef\u4ee5\u7528 _ \u66ff\u6362\u5b83\uff0c\u6bd4\u5982\uff1a<\/p>\n
func (_ receiver_type) methodName(parameter_list) (return_value_list) { ... }<\/pre>\n
\u4e00\u3001\u65b9\u6cd5\u7684\u63a5\u53d7\u8005\u7c7b\u578b\uff08receiver_type\uff09<\/strong><\/h3>\n
\u65b9\u6cd5\u7684\u63a5\u53d7\u8005\u7c7b\u578b\u51e0\u4e4e\u53ef\u4ee5\u662f\u4efb\u4f55\u7c7b\u578b\u3002Go\u4e2d\u7684\u7c7b\u578b\u53c2\u8003\uff1aGo\u65b0\u624b\u9700\u6ce8\u610f\u7684\u77e5\u8bc6\u70b9(\u4e00)\u00a0\u4e0b\u9762\u4e3e\u4f8b\u8bf4\u660e\uff1a<\/p>\n
1\u3001int\u578b\u7cfb\u5217\u3001\u6d6e\u70b9\u578b\u7cfb\u5217\u3001\u5b57\u7b26\u4e32\u3001bool\u3001byte\u3001rune\u3001uintptr<\/strong><\/p>\n
type Node int64 \/\/\u5176\u5b83\u7684\u7c7b\u578b\u7c7b\u63a8,\u6b64\u5904\u5e76\u975e\u662f\u4e00\u4e2astruct<\/strong>\r\nfunc main {\r\n\u00a0\u00a0\u00a0 var nxt Node\r\n\u00a0\u00a0\u00a0 nxt = 32\r\n\u00a0\u00a0\u00a0 fmt.Println(nxt.Add())\r\n}\r\nfunc (_ Node) Add() int {\r\n\u00a0\u00a0\u00a0 return 4\r\n}<\/pre>\n
2\u3001\u6570\u7ec4<\/strong><\/p>\n
type Node [5]int\r\nfunc main {\r\n\u00a0\u00a0  var nxt Node\r\n\u00a0\u00a0\u00a0 nxt[1] = 99 \r\n\u00a0\u00a0\u00a0 fmt.Println(nxt.Add())\r\n}\r\nfunc (b Node) Add() int {\r\n\u00a0\u00a0\u00a0 return b[1]\r\n}<\/pre>\n
3\u3001\u5207\u7247<\/strong><\/p>\n
type Node []int\r\nfunc main {\r\n\u00a0\u00a0  var nxt Node\r\n\u00a0\u00a0\u00a0 nxt = []int{1,2,3,4,5} \r\n\u00a0\u00a0\u00a0 fmt.Println(nxt.Add())\r\n}\r\nfunc (b Node) Add() int {\r\n\u00a0\u00a0\u00a0 return b[1]\r\n}<\/pre>\n
4\u3001map<\/strong><\/p>\n
type Node map[string]string\r\nfunc main {\r\nvar nxt Node\r\n\u00a0\u00a0\u00a0 nxt = map[string]string{\"a\":\"aa\", \"b\":\"bb\"}\r\n\u00a0\u00a0\u00a0 fmt.Println(nxt.Add())\r\n}\r\nfunc (b Node) Add() string {\r\n\u00a0\u00a0\u00a0 return b[\"a\"]\r\n}<\/pre>\n
5\u3001struct<\/strong><\/p>\n
\u8fd9\u91cc\u4e0d\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u5468\u77e5\u3002<\/p>\n
6\u3001\u51fd\u6570\u7c7b\u578b<\/strong><\/p>\n
type Node func() int\r\nfunc main {\r\n\u00a0\u00a0\u00a0 var nxt Node\r\n\u00a0\u00a0\u00a0 nxt = func() int {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 return 99\r\n\u00a0\u00a0\u00a0 }\r\n\u00a0\u00a0\u00a0 fmt.Println(nxt.Add())\r\n}\r\nfunc (b Node) Add() int {\r\n\u00a0\u00a0\u00a0 return b()\r\n}<\/pre>\n
7\u3001\u4e0d\u652f\u6301\u63a5\u53e3\u7c7b\u578b\u3001\u6307\u9488\u7c7b\u578b<\/strong><\/p>\n
\u4e8c\u3001\u6ce8\u610f<\/strong><\/h3>\n
1\u3001<\/strong>\u4e00\u4e2a\u7c7b\u578b\u52a0\u4e0a\u5b83\u7684\u65b9\u6cd5\u7b49\u4ef7\u4e8e\u9762\u5411\u5bf9\u8c61\u4e2d\u7684\u4e00\u4e2a\u7c7b\u3002\u4e00\u4e2a\u91cd\u8981\u7684\u533a\u522b\u662f\uff1a\u5728 Go \u4e2d\uff0c\u7c7b\u578b\u7684\u4ee3\u7801\u548c\u7ed1\u5b9a\u5728\u5b83\u4e0a\u9762\u7684\u65b9\u6cd5\u7684\u4ee3\u7801\u53ef\u4ee5\u4e0d\u653e\u7f6e\u5728\u4e00\u8d77\uff0c\u5b83\u4eec\u53ef\u4ee5\u5b58\u5728\u5728\u4e0d\u540c\u7684\u6e90\u6587\u4ef6\uff0c\u552f\u4e00\u7684\u8981\u6c42\u662f\uff1a\u5b83\u4eec\u5fc5\u987b\u662f\u540c\u4e00\u4e2a\u5305\u7684\u3002<\/p>\n
2\u3001<\/strong>\u56e0\u4e3a\u7c7b\u578b\u7684\u65b9\u6cd5\u53ea\u80fd\u5728\u540c\u4e00\u5305\u91cc\u5b9a\u4e49\uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7\u4e00\u79cd\u95f4\u63a5\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u3002\u6bd4\u65b9\u8bf4\u8981\u7ed9time\u5305\u589e\u52a0\u4e00\u4e2aAdd\u7684\u65b9\u6cd5\uff0c\u4f46\u56e0\u4e3atime\u662f\u5185\u7f6e\u7684\u5305\u3002<\/p>\n
type myTime struct {\r\n\u00a0\u00a0\u00a0 time.Time\r\n}\r\nfunc main (){\r\n\u00a0\u00a0\u00a0 nxt := myTime{time.Now()}\r\n\u00a0\u00a0\u00a0 fmt.Println(nxt.Add(1))\r\n}\r\nfunc (b myTime) Add(a int) int {\r\n\u00a0\u00a0\u00a0 return a + 1\r\n}<\/pre>\n
3\u3001<\/strong>recv \u4f20\u503c\u548c\u4f20\u5730\u5740\u7684\u533a\u522b<\/p>\n
\u4f8b\u5b501:\r\ntype B struct {\r\n\u00a0\u00a0\u00a0 thing int\r\n}\r\n.......\r\nvar b1 B\r\nfmt.Println(&b1.thing) \r\nb1.change()\r\n.........\r\nfunc (b B) change() { \r\n\u00a0\u00a0\u00a0 b.thing = 2\r\n\u00a0\u00a0\u00a0 fmt.Println(&b.thing)\r\n}\r\n\r\n\u8f93\u51fa\u7ed3\u679c\uff1a\r\n0xc42006e030\r\n0xc42006e038<\/pre>\n
\u4f8b\u5b501:\r\ntype B struct {\r\n\u00a0\u00a0\u00a0 thing int\r\n}\r\n.......\r\nvar b1 B\r\nfmt.Println(&b1.thing) \r\nb1.change()\r\n.........\r\nfunc (b *B) change() { \r\n\u00a0\u00a0\u00a0 b.thing = 2\r\n\u00a0\u00a0\u00a0 fmt.Println(&b.thing)\r\n}\r\n\u8f93\u51fa\u7ed3\u679c\uff1a\r\n0xc42000a290\r\n0xc42000a290<\/pre>\n
\u4ece\u4e0a\u9762\u76842\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u4e5f\u53ef\u4ee5\u770b\u51fa\u6307\u9488\u65b9\u6cd5\u548c\u503c\u65b9\u6cd5\u90fd\u53ef\u4ee5\u5728\u6307\u9488\u6216\u975e\u6307\u9488\u4e0a\u88ab\u8c03\u7528<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4eca\u5929\u5728\u770b\u5230 struct \u7ae0\u8282\uff0c\u5176\u4e2d\u63d0\u53ca\u5230\u4e86\u65b9\u6cd5\uff0c\u5148\u770b\u4e0bGo\u4e2d\u7684\u65b9\u6cd5\u5b9a\u4e49\u8bed\u6cd5\uff1a   \u4e00\u822c\u5f62\u5f0f\uff1a func (recv receiver_type) methodName(parameter_list) (return_value_list) { … } \u5982\u679c\u65b9\u6cd5\u4e0d\u9700\u8981\u4f7f\u7528 recv \u7684\u503c\uff0c\u53ef\u4ee5\u7528 _ \u66ff\u6362\u5b83\uff0c\u6bd4\u5982\uff1a func (_ receiver_type) methodName(parameter_list) (return_value_list) { … } \u4e00\u3001\u65b9\u6cd5\u7684\u63a5\u53d7\u8005\u7c7b\u578b\uff08receiver_type\uff09 \u65b9\u6cd5\u7684\u63a5\u53d7\u8005\u7c7b\u578b\u51e0\u4e4e\u53ef\u4ee5\u662f\u4efb\u4f55\u7c7b\u578b\u3002Go\u4e2d\u7684\u7c7b\u578b\u53c2\u8003\uff1aGo\u65b0\u624b\u9700\u6ce8\u610f\u7684\u77e5\u8bc6\u70b9(\u4e00)\u00a0\u4e0b\u9762\u4e3e\u4f8b\u8bf4\u660e\uff1a 1\u3001int\u578b\u7cfb\u5217\u3001\u6d6e\u70b9\u578b\u7cfb\u5217\u3001\u5b57\u7b26\u4e32\u3001bool\u3001byte\u3001rune\u3001uintptr type Node int64 \/\/\u5176\u5b83\u7684\u7c7b\u578b\u7c7b\u63a8,\u6b64\u5904\u5e76\u975e\u662f\u4e00\u4e2astruct func main { \u00a0\u00a0\u00a0 var nxt Node \u00a0\u00a0\u00a0 nxt = 32 \u00a0\u00a0\u00a0 fmt.Println(nxt.Add()) } func (_ Node) Add() int { \u00a0\u00a0\u00a0 return […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"class_list":["post-15542","post","type-post","status-publish","format-standard","hentry","category-docker"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/15542","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=15542"}],"version-history":[{"count":1,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/15542\/revisions"}],"predecessor-version":[{"id":15543,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/15542\/revisions\/15543"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=15542"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=15542"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=15542"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}