{"id":40424,"date":"2024-12-01T09:31:33","date_gmt":"2024-12-01T01:31:33","guid":{"rendered":"https:\/\/fwq.ai\/blog\/40424\/"},"modified":"2024-12-01T09:31:33","modified_gmt":"2024-12-01T01:31:33","slug":"golang-%e6%a1%86%e6%9e%b6%e6%80%a7%e8%83%bd%e4%bc%98%e5%8c%96%e5%ae%9e%e6%88%98%ef%bc%9a%e6%a1%88%e4%be%8b%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/40424\/","title":{"rendered":"Golang \u6846\u67b6\u6027\u80fd\u4f18\u5316\u5b9e\u6218\uff1a\u6848\u4f8b\u5206\u6790"},"content":{"rendered":"

\u5404\u4f4d\u5c0f\u4f19\u4f34\u4eec\uff0c\u5927\u5bb6\u597d\u5440\uff01\u770b\u770b\u4eca\u5929\u6211\u53c8\u7ed9\u5404\u4f4d\u5e26\u6765\u4e86\u4ec0\u4e48\u6587\u7ae0\uff1f\u672c\u6587\u6807\u9898\u662f<\/span>\u300aGolang \u6846\u67b6\u6027\u80fd\u4f18\u5316\u5b9e\u6218\uff1a\u6848\u4f8b\u5206\u6790\u300b<\/span>\uff0c\u5f88\u660e\u663e\u662f\u5173\u4e8eGolang<\/span>\u7684\u6587\u7ae0\u54c8\u54c8\u54c8\uff0c\u5176\u4e2d\u5185\u5bb9\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\uff0c\u5982\u679c\u80fd\u5e2e\u5230\u4f60\uff0c\u89c9\u5f97\u5f88\u4e0d\u9519\u7684\u8bdd\uff0c\u6b22\u8fce\u5404\u4f4d\u591a\u591a\u70b9\u8bc4\u548c\u5206\u4eab\uff01<\/span>,\u901a\u8fc7\u5b9e\u65bd\u4e0b\u5217\u4f18\u5316\uff0c\u663e\u8457\u63d0\u5347\u4e86 Contextualize \u6846\u67b6\u6027\u80fd\uff1a\u7b80\u6d01\u4ee3\u7801\u6570\u636e\u7ed3\u6784\u4f18\u5316Goroutine \u4f18\u5316\u7f13\u5b58\u4f18\u5316\u57fa\u51c6\u6d4b\u8bd5\u8fd9\u4e9b\u4f18\u5316\u63aa\u65bd\u6709\u52a9\u4e8e\u63d0\u5347 Go \u6846\u67b6\u6027\u80fd\uff0c\u4ece\u800c\u63d0\u5347\u5e94\u7528\u7a0b\u5e8f\u7684\u6574\u4f53\u8868\u73b0\u3002,
\n\"Golang,
\nGo \u6846\u67b6\u6027\u80fd\u4f18\u5316\u5b9e\u6218\uff1a\u6848\u4f8b\u5206\u6790<\/strong>,
\n\u7b80\u4ecb<\/strong>,Go \u8bed\u8a00\u4ee5\u5176\u5e76\u53d1\u6027\u548c\u9ad8\u6027\u80fd\u800c\u95fb\u540d\uff0c\u4f46\u4f18\u5316 Go \u6846\u67b6\u7684\u6027\u80fd\u81f3\u5173\u91cd\u8981\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u5e94\u7528\u7a0b\u5e8f\u7684\u54cd\u5e94\u80fd\u529b\u548c\u541e\u5410\u91cf\u3002\u672c\u6587\u5c06\u901a\u8fc7\u4e00\u4e2a\u5b9e\u6218\u6848\u4f8b\u6765\u4ecb\u7ecd Go \u6846\u67b6\u6027\u80fd\u4f18\u5316\u7684\u6280\u5de7\u548c\u65b9\u6cd5\u3002,
\n\u6848\u4f8b\uff1aContextualize<\/strong>,Contextualize \u662f\u4e00\u4e2a Go \u6846\u67b6\uff0c\u7528\u4e8e\u4e3a HTTP \u8bf7\u6c42\u6dfb\u52a0\u4e0a\u4e0b\u6587\u4fe1\u606f\u3002\u4e3a\u4e86\u63d0\u5347\u6027\u80fd\uff0c\u6211\u4eec\u5bf9\u5176\u8fdb\u884c\u4e86\u4ee5\u4e0b\u4f18\u5316\uff1a,
\n1. \u4ee3\u7801\u7b80\u6d01<\/strong>,\u5c3d\u91cf\u7b80\u5316\u4ee3\u7801\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5faa\u73af\u6216\u6761\u4ef6\u5224\u65ad\u3002\u4f18\u5316\u540e\u7684\u4ee3\u7801\uff1a,
\n2. \u6570\u636e\u7ed3\u6784\u4f18\u5316<\/strong>,\u4f7f\u7528\u66f4\u6709\u6548\u7684\u5bb9\u5668\u6765\u5b58\u50a8\u6570\u636e\u3002\u5728 Contextualize \u4e2d\uff0c\u6211\u4eec\u5c06 map \u66ff\u6362\u4e3a sync.Map \u4ee5\u5b9e\u73b0\u5e76\u53d1\u5b89\u5168\u3002,
\n3. Goroutine \u4f18\u5316<\/strong>,\u5982\u679c goroutine \u8fc7\u591a\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4e0a\u4e0b\u6587\u5207\u6362\u5f00\u9500\u8fc7\u5927\u3002Contextualize \u4f7f\u7528\u4e86 goroutine \u6c60\u6765\u7ba1\u7406\u5e76\u53d1\u8bf7\u6c42\u3002,
\n4. \u7f13\u5b58\u4f18\u5316<\/strong>,Contextualize \u7f13\u5b58\u4e86\u4e0a\u4e0b\u6587\u4fe1\u606f\uff0c\u4ee5\u907f\u514d\u91cd\u590d\u67e5\u8be2\u3002\u8fd9\u663e\u8457\u51cf\u5c11\u4e86\u6570\u636e\u5e93\u4ea4\u4e92\u548c CPU \u5f00\u9500\u3002,
\n5. \u57fa\u51c6\u6d4b\u8bd5<\/strong>,\u57fa\u51c6\u6d4b\u8bd5\u662f\u6027\u80fd\u4f18\u5316\u8fc7\u7a0b\u4e2d\u7684\u5173\u952e\u6b65\u9aa4\u3002\u6211\u4eec\u4f7f\u7528 go test \u548c benchmark \u7ec4\u4ef6\u5bf9 Contextualize \u8fdb\u884c\u57fa\u51c6\u6d4b\u8bd5\uff0c\u4ee5\u8861\u91cf\u4f18\u5316\u63aa\u65bd\u7684\u6548\u679c\u3002,
\n\u7ed3\u8bba<\/strong>,\u901a\u8fc7\u5b9e\u65bd\u8fd9\u4e9b\u4f18\u5316\uff0c\u6211\u4eec\u663e\u8457\u63d0\u5347\u4e86 Contextualize \u7684\u6027\u80fd\u3002\u4f18\u5316\u7684\u4ee3\u7801\u66f4\u7b80\u6d01\u3001\u91c7\u7528\u4e86\u66f4\u6709\u6548\u7684\u5bb9\u5668\u3001\u7ba1\u7406\u4e86 goroutine\u3001\u91c7\u7528\u4e86\u7f13\u5b58\uff0c\u5e76\u8fdb\u884c\u4e86\u57fa\u51c6\u6d4b\u8bd5\u3002\u5b9e\u65bd\u8fd9\u4e9b\u6280\u5de7\u548c\u65b9\u6cd5\u53ef\u4ee5\u5e2e\u52a9\u60a8\u4f18\u5316\u4efb\u4f55 Go \u6846\u67b6\uff0c\u4ece\u800c\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u7684\u6574\u4f53\u6027\u80fd\u3002,\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aGolang \u6846\u67b6\u6027\u80fd\u4f18\u5316\u5b9e\u6218\uff1a\u6848\u4f8b\u5206\u6790\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~golang\u5b66\u4e60\u7f51\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03Golang\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01,
\n\u5404\u4f4d\u5c0f\u4f19\u4f34\u4eec\uff0c\u5927\u5bb6\u597d\u5440\uff01\u770b\u770b\u4eca\u5929\u6211\u53c8\u7ed9\u5404\u4f4d\u5e26\u6765\u4e86\u4ec0\u4e48\u6587\u7ae0\uff1f\u672c\u6587\u6807\u9898\u662f<\/span>\u300aGolang \u6846\u67b6\u6027\u80fd\u4f18\u5316\u5b9e\u6218\uff1a\u6848\u4f8b\u5206\u6790\u300b<\/span>\uff0c\u5f88\u660e\u663e\u662f\u5173\u4e8eGolang<\/span>\u7684\u6587\u7ae0\u54c8\u54c8\u54c8\uff0c\u5176\u4e2d\u5185\u5bb9\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\uff0c\u5982\u679c\u80fd\u5e2e\u5230\u4f60\uff0c\u89c9\u5f97\u5f88\u4e0d\u9519\u7684\u8bdd\uff0c\u6b22\u8fce\u5404\u4f4d\u591a\u591a\u70b9\u8bc4\u548c\u5206\u4eab\uff01<\/span>,
\n<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> Golang \u6846\u67b6\u6027\u80fd\u4f18\u5316\u5b9e\u6218\uff1a\u6848\u4f8b\u5206\u6790<\/span><\/p>\n

Golang \u6846\u67b6\u6027\u80fd\u4f18\u5316\u5b9e\u6218\uff1a\u6848\u4f8b\u5206\u6790<\/h1>\n

2024-10-26 14:25:42<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u5404\u4f4d\u5c0f\u4f19\u4f34\u4eec\uff0c\u5927\u5bb6\u597d\u5440\uff01\u770b\u770b\u4eca\u5929\u6211\u53c8\u7ed9\u5404\u4f4d\u5e26\u6765\u4e86\u4ec0\u4e48\u6587\u7ae0\uff1f\u672c\u6587\u6807\u9898\u662f<\/span>\u300aGolang \u6846\u67b6\u6027\u80fd\u4f18\u5316\u5b9e\u6218\uff1a\u6848\u4f8b\u5206\u6790\u300b<\/span>\uff0c\u5f88\u660e\u663e\u662f\u5173\u4e8eGolang<\/span>\u7684\u6587\u7ae0\u54c8\u54c8\u54c8\uff0c\u5176\u4e2d\u5185\u5bb9\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\uff0c\u5982\u679c\u80fd\u5e2e\u5230\u4f60\uff0c\u89c9\u5f97\u5f88\u4e0d\u9519\u7684\u8bdd\uff0c\u6b22\u8fce\u5404\u4f4d\u591a\u591a\u70b9\u8bc4\u548c\u5206\u4eab\uff01<\/span><\/p>\n

\u901a\u8fc7\u5b9e\u65bd\u4e0b\u5217\u4f18\u5316\uff0c\u663e\u8457\u63d0\u5347\u4e86 Contextualize \u6846\u67b6\u6027\u80fd\uff1a\u7b80\u6d01\u4ee3\u7801\u6570\u636e\u7ed3\u6784\u4f18\u5316Goroutine \u4f18\u5316\u7f13\u5b58\u4f18\u5316\u57fa\u51c6\u6d4b\u8bd5\u8fd9\u4e9b\u4f18\u5316\u63aa\u65bd\u6709\u52a9\u4e8e\u63d0\u5347 Go \u6846\u67b6\u6027\u80fd\uff0c\u4ece\u800c\u63d0\u5347\u5e94\u7528\u7a0b\u5e8f\u7684\u6574\u4f53\u8868\u73b0\u3002<\/p>\n

\"Golang<\/p>\n

Go \u6846\u67b6\u6027\u80fd\u4f18\u5316\u5b9e\u6218\uff1a\u6848\u4f8b\u5206\u6790<\/strong><\/p>\n

\u7b80\u4ecb<\/strong><\/p>\n

Go \u8bed\u8a00\u4ee5\u5176\u5e76\u53d1\u6027\u548c\u9ad8\u6027\u80fd\u800c\u95fb\u540d\uff0c\u4f46\u4f18\u5316 Go \u6846\u67b6\u7684\u6027\u80fd\u81f3\u5173\u91cd\u8981\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u5e94\u7528\u7a0b\u5e8f\u7684\u54cd\u5e94\u80fd\u529b\u548c\u541e\u5410\u91cf\u3002\u672c\u6587\u5c06\u901a\u8fc7\u4e00\u4e2a\u5b9e\u6218\u6848\u4f8b\u6765\u4ecb\u7ecd Go \u6846\u67b6\u6027\u80fd\u4f18\u5316\u7684\u6280\u5de7\u548c\u65b9\u6cd5\u3002<\/p>\n

\u6848\u4f8b\uff1aContextualize<\/strong><\/p>\n

Contextualize \u662f\u4e00\u4e2a Go \u6846\u67b6\uff0c\u7528\u4e8e\u4e3a HTTP \u8bf7\u6c42\u6dfb\u52a0\u4e0a\u4e0b\u6587\u4fe1\u606f\u3002\u4e3a\u4e86\u63d0\u5347\u6027\u80fd\uff0c\u6211\u4eec\u5bf9\u5176\u8fdb\u884c\u4e86\u4ee5\u4e0b\u4f18\u5316\uff1a<\/p>\n

1. \u4ee3\u7801\u7b80\u6d01<\/strong><\/p>\n

\u5c3d\u91cf\u7b80\u5316\u4ee3\u7801\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5faa\u73af\u6216\u6761\u4ef6\u5224\u65ad\u3002\u4f18\u5316\u540e\u7684\u4ee3\u7801\uff1a<\/p>\n

func extractContext(req *http.Request) map[string]interface{} {\n  data := map[string]interface{}{}\n  pathParams := getParams(req)\n\n  for key, val := range pathParams {\n    data[key] = val\n  }\n\n  return data\n}<\/pre>\n
2. \u6570\u636e\u7ed3\u6784\u4f18\u5316<\/strong><\/p>\n
\u4f7f\u7528\u66f4\u6709\u6548\u7684\u5bb9\u5668\u6765\u5b58\u50a8\u6570\u636e\u3002\u5728 Contextualize \u4e2d\uff0c\u6211\u4eec\u5c06 map \u66ff\u6362\u4e3a sync.Map \u4ee5\u5b9e\u73b0\u5e76\u53d1\u5b89\u5168\u3002<\/p>\n
import \"sync\"\n\nvar contextMap = sync.Map{}<\/pre>\n
3. Goroutine \u4f18\u5316<\/strong><\/p>\n
\u5982\u679c goroutine \u8fc7\u591a\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4e0a\u4e0b\u6587\u5207\u6362\u5f00\u9500\u8fc7\u5927\u3002Contextualize \u4f7f\u7528\u4e86 goroutine \u6c60\u6765\u7ba1\u7406\u5e76\u53d1\u8bf7\u6c42\u3002<\/p>\n
var pool = &sync.Pool{\n  New: func() interface{} {\n    return &Context{}\n  },\n}\n\nfunc GetContext(req *http.Request) *Context {\n  return pool.Get().(*Context)\n}<\/pre>\n
4. \u7f13\u5b58\u4f18\u5316<\/strong><\/p>\n
Contextualize \u7f13\u5b58\u4e86\u4e0a\u4e0b\u6587\u4fe1\u606f\uff0c\u4ee5\u907f\u514d\u91cd\u590d\u67e5\u8be2\u3002\u8fd9\u663e\u8457\u51cf\u5c11\u4e86\u6570\u636e\u5e93\u4ea4\u4e92\u548c CPU \u5f00\u9500\u3002<\/p>\n
func getParams(req *http.Request) map[string]string {\n  ctx := GetContext(req)\n\n  if val, ok := ctx.Params; ok {\n    return val\n  }\n\n  val := retrieveParams(req)\n  ctx.Params = val\n\n  return val\n}<\/pre>\n
5. \u57fa\u51c6\u6d4b\u8bd5<\/strong><\/p>\n
\u57fa\u51c6\u6d4b\u8bd5\u662f\u6027\u80fd\u4f18\u5316\u8fc7\u7a0b\u4e2d\u7684\u5173\u952e\u6b65\u9aa4\u3002\u6211\u4eec\u4f7f\u7528 go test \u548c benchmark \u7ec4\u4ef6\u5bf9 Contextualize \u8fdb\u884c\u57fa\u51c6\u6d4b\u8bd5\uff0c\u4ee5\u8861\u91cf\u4f18\u5316\u63aa\u65bd\u7684\u6548\u679c\u3002<\/p>\n
func BenchmarkExtractContext(b *testing.B) {\n  \/\/ Set up test data\n  req, _ := http.NewRequest(\"GET\", \"\/\", nil)\n\n  \/\/ Run the benchmark\n  for i := 0; i < b.N; i++ {\n    _ = extractContext(req)\n  }\n}<\/pre>\n
\u7ed3\u8bba<\/strong><\/p>\n
\u901a\u8fc7\u5b9e\u65bd\u8fd9\u4e9b\u4f18\u5316\uff0c\u6211\u4eec\u663e\u8457\u63d0\u5347\u4e86 Contextualize \u7684\u6027\u80fd\u3002\u4f18\u5316\u7684\u4ee3\u7801\u66f4\u7b80\u6d01\u3001\u91c7\u7528\u4e86\u66f4\u6709\u6548\u7684\u5bb9\u5668\u3001\u7ba1\u7406\u4e86 goroutine\u3001\u91c7\u7528\u4e86\u7f13\u5b58\uff0c\u5e76\u8fdb\u884c\u4e86\u57fa\u51c6\u6d4b\u8bd5\u3002\u5b9e\u65bd\u8fd9\u4e9b\u6280\u5de7\u548c\u65b9\u6cd5\u53ef\u4ee5\u5e2e\u52a9\u60a8\u4f18\u5316\u4efb\u4f55 Go \u6846\u67b6\uff0c\u4ece\u800c\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u7684\u6574\u4f53\u6027\u80fd\u3002<\/p>\n
\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aGolang \u6846\u67b6\u6027\u80fd\u4f18\u5316\u5b9e\u6218\uff1a\u6848\u4f8b\u5206\u6790\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~golang\u5b66\u4e60\u7f51\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03Golang\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n
\n
\n <\/dt>\n
\n   \u4f7f\u7528 Tailwind CSS \u8fdb\u884c\u54cd\u5e94\u5f0f\u8bbe\u8ba1\n <\/dd>\n<\/dl>\n
\n
\n <\/dt>\n
\n   PHP \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
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