{"id":10008003,"date":"2023-06-27T16:00:38","date_gmt":"2023-06-27T08:00:38","guid":{"rendered":"https:\/\/ityet.com\/?p=10008003"},"modified":"2023-06-27T16:00:38","modified_gmt":"2023-06-27T08:00:38","slug":"%e7%b2%be%e9%80%89golang%e9%ab%98%e9%a2%91%e9%9d%a2%e8%af%95%e9%a2%98%e5%92%8c%e7%ad%94%e6%a1%88%e6%b1%87%e6%80%bb","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10008003","title":{"rendered":"\u7cbe\u9009Golang\u9ad8\u9891\u9762\u8bd5\u9898\u548c\u7b54\u6848\u6c47\u603b"},"content":{"rendered":"<p>\u5927\u5bb6\u597d\uff0c\u6211\u662f\u9633\u54e5\u3002<\/p>\n<p>\u4e4b\u524d\u5199\u7684<a href=\"https:\/\/link.segmentfault.com\/?enc=NKbWOniHuji4QHjkLS5pNQ%3D%3D.3oU1nEUo4ZqW3n0A9puFwddx9zHTnKlqRZynTTWn203d1ThuTEd%2ByvJL11zn4GsOBFctlqQMPj7ZiQMtRQ6e1A%3D%3D\" rel=\"nofollow\">\u300a GO\u5fc5\u77e5\u5fc5\u4f1a\u9762\u8bd5\u9898\u6c47\u603b\u300b<\/a>\uff0c\u5df2\u7ecf\u9605\u8bfb\u7834\u4e07\uff0c\u6536\u85cf230+\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000043941393\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p><strong>\u4e5f\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u3001\u8f6c\u53d1\u672c\u6587\u3002<\/strong><\/p>\n<p>\u8fd9\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u6574\u7406\u4e8617\u9053Go\u8bed\u8a00\u9ad8\u9891\u9762\u8bd5\u9898\u548c\u7b54\u6848\u8be6\u89e3\uff0c\u6bcf\u9053\u9898\u90fd\u7ed9\u51fa\u4e86<code>\u4ee3\u7801\u793a\u4f8b<\/code>\uff0c\u65b9\u4fbf\u5927\u5bb6\u66f4\u597d\u7684\u7406\u89e3\u3002<\/p>\n<h2>1.\u5e76\u53d1\u5b89\u5168\u6027<\/h2>\n<blockquote><p>Go\u8bed\u8a00\u4e2d\u7684\u5e76\u53d1\u5b89\u5168\u6027\u662f\u4ec0\u4e48\uff1f\u5982\u4f55\u786e\u4fdd\u5e76\u53d1\u5b89\u5168\u6027\uff1f<\/p><\/blockquote>\n<h3>\u89e3\u7b54\uff1a<\/h3>\n<p>\u5e76\u53d1\u5b89\u5168\u6027\u662f\u6307\u5728\u5e76\u53d1\u7f16\u7a0b\u4e2d\uff0c\u591a\u4e2agoroutine\u5bf9\u5171\u4eab\u8d44\u6e90\u7684\u8bbf\u95ee\u4e0d\u4f1a\u5bfc\u81f4\u6570\u636e\u7ade\u4e89\u548c\u4e0d\u786e\u5b9a\u7684\u7ed3\u679c\u3002<\/p>\n<p>\u4e3a\u4e86\u786e\u4fdd\u5e76\u53d1\u5b89\u5168\u6027\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u63aa\u65bd\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u4e92\u65a5\u9501\uff08Mutex\uff09\uff1a\u901a\u8fc7\u4f7f\u7528\u4e92\u65a5\u9501\u6765\u4fdd\u62a4\u5171\u4eab\u8d44\u6e90\u7684\u8bbf\u95ee\uff0c\u4e00\u6b21\u53ea\u5141\u8bb8\u4e00\u4e2agoroutine\u8bbf\u95ee\u5171\u4eab\u8d44\u6e90\uff0c\u4ece\u800c\u907f\u514d\u7ade\u4e89\u6761\u4ef6\u3002<\/li>\n<li>\u4f7f\u7528\u539f\u5b50\u64cd\u4f5c\uff08Atomic Operations\uff09\uff1a\u5bf9\u4e8e\u7b80\u5355\u7684\u8bfb\u5199\u64cd\u4f5c\uff0c\u53ef\u4ee5\u4f7f\u7528\u539f\u5b50\u64cd\u4f5c\u6765\u4fdd\u8bc1\u64cd\u4f5c\u7684\u539f\u5b50\u6027\uff0c\u907f\u514d\u7ade\u4e89\u6761\u4ef6\u3002<\/li>\n<li>\u4f7f\u7528\u901a\u9053\uff08Channel\uff09\uff1a\u901a\u8fc7\u4f7f\u7528\u901a\u9053\u6765\u8fdb\u884cgoroutine\u4e4b\u95f4\u7684\u901a\u4fe1\u548c\u540c\u6b65\uff0c\u907f\u514d\u5171\u4eab\u8d44\u6e90\u7684\u76f4\u63a5\u8bbf\u95ee\u3002<\/li>\n<li>\u4f7f\u7528\u540c\u6b65\u673a\u5236\uff1a\u4f7f\u7528\u540c\u6b65\u673a\u5236\u5982\u7b49\u5f85\u7ec4\uff08WaitGroup\uff09\u3001\u6761\u4ef6\u53d8\u91cf\uff08Cond\uff09\u7b49\u6765\u534f\u8c03\u591a\u4e2agoroutine\u7684\u6267\u884c\u987a\u5e8f\u548c\u72b6\u6001\u3002<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u4ee5\u4e0a\u63aa\u65bd\uff0c\u53ef\u4ee5\u786e\u4fdd\u5e76\u53d1\u7a0b\u5e8f\u7684\u5b89\u5168\u6027\uff0c\u907f\u514d\u6570\u636e\u7ade\u4e89\u548c\u4e0d\u786e\u5b9a\u7684\u7ed3\u679c\u3002<\/p>\n<h2>2.defer<\/h2>\n<blockquote><p>Go\u8bed\u8a00\u4e2d\u7684defer\u5173\u952e\u5b57\u6709\u4ec0\u4e48\u4f5c\u7528\uff1f\u8bf7\u7ed9\u51fa\u4e00\u4e2a\u4f7f\u7528defer\u7684\u793a\u4f8b\u3002<\/p><\/blockquote>\n<h3>\u89e3\u7b54\uff1a<\/h3>\n<p>defer\u5173\u952e\u5b57\u7528\u4e8e\u5ef6\u8fdf\u51fd\u6570\u7684\u6267\u884c\uff0c\u5373\u5728\u51fd\u6570\u9000\u51fa\u524d\u6267\u884c\u67d0\u4e2a\u64cd\u4f5c\u3002defer\u901a\u5e38\u7528\u4e8e\u91ca\u653e\u8d44\u6e90\u3001\u5173\u95ed\u6587\u4ef6\u3001\u89e3\u9501\u4e92\u65a5\u9501\u7b49\u6e05\u7406\u64cd\u4f5c\uff0c\u4ee5\u786e\u4fdd\u5728\u51fd\u6570\u6267\u884c\u5b8c\u6bd5\u540e\u8fdb\u884c\u5904\u7406\u3002<\/p>\n<p>\u4e5f\u53ef\u4ee5\u4f7f\u7528defer\u8bed\u53e5\u7ed3\u5408time\u5305\u5b9e\u73b0\u51fd\u6570\u6267\u884c\u65f6\u95f4\u7684\u7edf\u8ba1\u3002<\/p>\n<h3>\u4ee3\u7801\u793a\u4f8b\uff1a<\/h3>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528defer\u7684\u793a\u4f8b\uff0c\u6253\u5f00\u6587\u4ef6\u5e76\u5728\u51fd\u6570\u9000\u51fa\u524d\u5173\u95ed\u6587\u4ef6\uff1a<\/p>\n<pre><code class=\"go\">package main\n\nimport (\n    &quot;fmt&quot;\n    &quot;os&quot;\n)\n\nfunc main() {\n    file, err := os.Open(&quot;file.txt&quot;)\n    if err != nil {\n        fmt.Println(&quot;Error opening file:&quot;, err)\n        return\n    }\n\n    defer func() {\n        err := file.Close()\n        if err != nil {\n            fmt.Println(&quot;Error closing file:&quot;, err)\n        }\n    }()\n\n    \/\/ \u4f7f\u7528\u6587\u4ef6\u8fdb\u884c\u64cd\u4f5c\n    \/\/ ...\n\n    fmt.Println(&quot;File operations completed&quot;)\n}<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528defer\u5173\u952e\u5b57\u5ef6\u8fdf\u4e86\u6587\u4ef6\u7684\u5173\u95ed\u64cd\u4f5c\uff0c\u786e\u4fdd\u5728\u51fd\u6570\u6267\u884c\u5b8c\u6bd5\u540e\u5173\u95ed\u6587\u4ef6\u3002\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5fd8\u8bb0\u5173\u95ed\u6587\u4ef6\u800c\u5bfc\u81f4\u8d44\u6e90\u6cc4\u6f0f\u3002<\/p>\n<h2>3.\u6307\u9488<\/h2>\n<blockquote><p>\u9762\u8bd5\u9898\uff1aGo\u8bed\u8a00\u4e2d\u7684\u6307\u9488\u6709\u4ec0\u4e48\u4f5c\u7528\uff1f\u8bf7\u7ed9\u51fa\u4e00\u4e2a\u4f7f\u7528\u6307\u9488\u7684\u793a\u4f8b\u3002<\/p><\/blockquote>\n<h3>\u89e3\u7b54\uff1a<\/h3>\n<p>\u6307\u9488\u662f\u4e00\u79cd\u53d8\u91cf\uff0c\u5b58\u50a8\u4e86\u53e6\u4e00\u4e2a\u53d8\u91cf\u7684\u5185\u5b58\u5730\u5740\u3002\u901a\u8fc7\u6307\u9488\uff0c\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u548c\u4fee\u6539\u53d8\u91cf\u7684\u503c\uff0c\u800c\u4e0d\u662f\u5bf9\u53d8\u91cf\u8fdb\u884c\u62f7\u8d1d\u3002<\/p>\n<p><strong>\u6307\u9488\u5728\u4f20\u9012\u5927\u578b\u6570\u636e\u7ed3\u6784\u548c\u5728\u51fd\u6570\u95f4\u5171\u4eab\u6570\u636e\u65f6\u975e\u5e38\u6709\u7528\u3002<\/strong><\/p>\n<h3>\u4ee3\u7801\u793a\u4f8b<\/h3>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528\u6307\u9488\u7684\u793a\u4f8b\uff0c\u4ea4\u6362\u4e24\u4e2a\u53d8\u91cf\u7684\u503c\uff1a<\/p>\n<pre><code class=\"go\">package main\n\nimport &quot;fmt&quot;\n\nfunc swap(a, b *int) {\n    temp := *a\n    *a = *b\n    *b = temp\n}\n\nfunc main() {\n    x := 10\n    y := 20\n    fmt.Println(&quot;Before swap:&quot;, x, y)\n    swap(&amp;x, &amp;y)\n    fmt.Println(&quot;After swap:&quot;, x, y)\n}<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2aswap\u51fd\u6570\uff0c\u63a5\u6536\u4e24\u4e2a\u6307\u9488\u4f5c\u4e3a\u53c2\u6570\uff0c\u5e76\u901a\u8fc7\u6307\u9488\u4ea4\u6362\u4e86\u4e24\u4e2a\u53d8\u91cf\u7684\u503c\u3002\u5728\u4e3b\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u53d6\u5730\u5740\u64cd\u4f5c\u7b26&#038;\u83b7\u53d6\u53d8\u91cf\u7684\u6307\u9488\uff0c\u5e76\u5c06\u6307\u9488\u4f20\u9012\u7ed9swap\u51fd\u6570\u3002\u901a\u8fc7\u4f7f\u7528\u6307\u9488\uff0c\u6211\u4eec\u5b9e\u73b0\u4e86\u53d8\u91cf\u503c\u7684\u4ea4\u6362\u3002<\/p>\n<h2>4.map<\/h2>\n<blockquote><p>Go\u8bed\u8a00\u4e2d\u7684map\u662f\u4ec0\u4e48\uff1f\u8bf7\u7ed9\u51fa\u4e00\u4e2a\u4f7f\u7528map\u7684\u793a\u4f8b\u3002<\/p><\/blockquote>\n<h3>\u89e3\u7b54\uff1a<\/h3>\n<p>map\u662f\u4e00\u79cd\u65e0\u5e8f\u7684\u952e\u503c\u5bf9\u96c6\u5408\uff0c\u4e5f\u79f0\u4e3a\u5b57\u5178\u3002map\u4e2d\u7684\u952e\u5fc5\u987b\u662f\u552f\u4e00\u7684\uff0c\u800c\u503c\u53ef\u4ee5\u91cd\u590d\u3002map\u63d0\u4f9b\u4e86\u5feb\u901f\u7684\u67e5\u627e\u548c\u63d2\u5165\u64cd\u4f5c\uff0c\u9002\u7528\u4e8e\u9700\u8981\u6839\u636e\u952e\u5feb\u901f\u68c0\u7d22\u503c\u7684\u573a\u666f\u3002<\/p>\n<h3>\u4ee3\u7801\u793a\u4f8b\uff1a<\/h3>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528map\u7684\u793a\u4f8b\uff0c\u5b58\u50a8\u5b66\u751f\u7684\u6210\u7ee9\u4fe1\u606f\uff1a<\/p>\n<pre><code class=\"go\">package main\n\nimport &quot;fmt&quot;\n\nfunc main() {\n    \/\/ \u521b\u5efa\u4e00\u4e2amap\uff0c\u952e\u4e3a\u5b66\u751f\u59d3\u540d\uff0c\u503c\u4e3a\u5bf9\u5e94\u7684\u6210\u7ee9\n    grades := make(map[string]int)\n\n    \/\/ \u6dfb\u52a0\u5b66\u751f\u7684\u6210\u7ee9\n    grades[&quot;Alice&quot;] = 90\n    grades[&quot;Bob&quot;] = 85\n    grades[&quot;Charlie&quot;] = 95\n\n    \/\/ \u83b7\u53d6\u5b66\u751f\u7684\u6210\u7ee9\n    aliceGrade := grades[&quot;Alice&quot;]\n    bobGrade := grades[&quot;Bob&quot;]\n    charlieGrade := grades[&quot;Charlie&quot;]\n\n    \/\/ \u6253\u5370\u5b66\u751f\u7684\u6210\u7ee9\n    fmt.Println(&quot;Alice's grade:&quot;, aliceGrade)\n    fmt.Println(&quot;Bob's grade:&quot;, bobGrade)\n    fmt.Println(&quot;Charlie's grade:&quot;, charlieGrade)\n}<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528make\u51fd\u6570\u521b\u5efa\u4e86\u4e00\u4e2amap\uff0c\u952e\u7684\u7c7b\u578b\u4e3astring\uff0c\u503c\u7684\u7c7b\u578b\u4e3aint\u3002\u7136\u540e\uff0c\u6211\u4eec\u901a\u8fc7\u952e\u6765\u6dfb\u52a0\u5b66\u751f\u7684\u6210\u7ee9\u4fe1\u606f\uff0c\u5e76\u901a\u8fc7\u952e\u6765\u83b7\u53d6\u5b66\u751f\u7684\u6210\u7ee9\u3002\u901a\u8fc7\u4f7f\u7528map\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u5b66\u751f\u7684\u59d3\u540d\u5feb\u901f\u67e5\u627e\u5bf9\u5e94\u7684\u6210\u7ee9\u3002<\/p>\n<p><strong>\u8bf7\u6ce8\u610f\uff0cmap\u662f\u65e0\u5e8f\u7684\uff0c\u6bcf\u6b21\u8fed\u4ee3map\u7684\u987a\u5e8f\u53ef\u80fd\u4e0d\u540c\u3002<\/strong><\/p>\n<h2>5.map\u7684\u6709\u5e8f\u904d\u5386<\/h2>\n<blockquote><p>map\u662f\u65e0\u5e8f\u7684\uff0c\u6bcf\u6b21\u8fed\u4ee3map\u7684\u987a\u5e8f\u53ef\u80fd\u4e0d\u540c\u3002\u5982\u679c\u9700\u8981\u6309\u7279\u5b9a\u987a\u5e8f\u904d\u5386map\uff0c\u5e94\u8be5\u600e\u4e48\u505a\u5462\uff1f<\/p><\/blockquote>\n<h3>\u89e3\u7b54\uff1a<\/h3>\n<p>\u5728Go\u8bed\u8a00\u4e2d\uff0cmap\u662f\u65e0\u5e8f\u7684\uff0c\u6bcf\u6b21\u8fed\u4ee3map\u7684\u987a\u5e8f\u53ef\u80fd\u4e0d\u540c\u3002\u5982\u679c\u9700\u8981\u6309\u7279\u5b9a\u987a\u5e8f\u904d\u5386map\uff0c\u53ef\u4ee5\u91c7\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li>\u521b\u5efa\u4e00\u4e2a\u5207\u7247\u6765\u4fdd\u5b58map\u7684\u952e\u3002<\/li>\n<li>\u904d\u5386map\uff0c\u5c06\u952e\u5b58\u50a8\u5230\u5207\u7247\u4e2d\u3002<\/li>\n<li>\u5bf9\u5207\u7247\u8fdb\u884c\u6392\u5e8f\u3002<\/li>\n<li>\u6839\u636e\u6392\u5e8f\u540e\u7684\u952e\u987a\u5e8f\uff0c\u904d\u5386map\u5e76\u8bbf\u95ee\u5bf9\u5e94\u7684\u503c\u3002<\/li>\n<\/ol>\n<h3>\u793a\u4f8b\u4ee3\u7801\uff1a<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u5c55\u793a\u5982\u4f55\u6309\u952e\u7684\u5347\u5e8f\u904d\u5386map\uff1a<\/p>\n<pre><code class=\"go\">package main\n\nimport (\n    &quot;fmt&quot;\n    &quot;sort&quot;\n)\n\nfunc main() {\n    m := map[string]int{\n        &quot;b&quot;: 2,\n        &quot;a&quot;: 1,\n        &quot;c&quot;: 3,\n    }\n\n    keys := make([]string, 0, len(m))\n    for k := range m {\n        keys = append(keys, k)\n    }\n\n    sort.Strings(keys)\n\n    for _, k := range keys {\n        fmt.Println(k, m[k])\n    }\n}<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2amap <code>m<\/code>\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u952e\u503c\u5bf9\u3002\u7136\u540e\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u5207\u7247 <code>keys<\/code>\uff0c\u5e76\u904d\u5386map\u5c06\u952e\u5b58\u50a8\u5230\u5207\u7247\u4e2d\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5bf9\u5207\u7247\u8fdb\u884c\u6392\u5e8f\uff0c\u4f7f\u7528<code>sort.Strings<\/code>\u51fd\u6570\u5bf9\u5207\u7247\u8fdb\u884c\u5347\u5e8f\u6392\u5e8f\u3002\u6700\u540e\uff0c\u6211\u4eec\u6839\u636e\u6392\u5e8f\u540e\u7684\u952e\u987a\u5e8f\u904d\u5386map\uff0c\u5e76\u8bbf\u95ee\u5bf9\u5e94\u7684\u503c\u3002<\/p>\n<p>\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u6211\u4eec\u53ef\u4ee5\u6309\u7167\u7279\u5b9a\u987a\u5e8f\u904d\u5386map\uff0c\u5e76\u8bbf\u95ee\u5bf9\u5e94\u7684\u952e\u503c\u5bf9\u3002\u8bf7\u6ce8\u610f\uff0c\u8fd9\u91cc\u4f7f\u7528\u7684\u662f\u5347\u5e8f\u6392\u5e8f\uff0c\u5982\u679c\u9700\u8981\u964d\u5e8f\u6392\u5e8f\uff0c\u53ef\u4ee5\u4f7f\u7528<code>sort.Sort(sort.Reverse(sort.StringSlice(keys)))<\/code>\u8fdb\u884c\u6392\u5e8f\u3002<\/p>\n<h2>6.\u5207\u7247\u548c\u6570\u7ec4<\/h2>\n<blockquote><p>Go\u8bed\u8a00\u4e2d\u7684slice\u548c\u6570\u7ec4\u6709\u4ec0\u4e48\u533a\u522b\uff1f\u8bf7\u7ed9\u51fa\u4e00\u4e2a\u4f7f\u7528slice\u7684\u793a\u4f8b\u3002<\/p><\/blockquote>\n<h3>\u89e3\u7b54\uff1a<\/h3>\n<p>\u5728Go\u8bed\u8a00\u4e2d\uff0c\u6570\u7ec4\u548c\u5207\u7247\uff08slice\uff09\u90fd\u662f\u7528\u4e8e\u5b58\u50a8\u4e00\u7ec4\u76f8\u540c\u7c7b\u578b\u7684\u5143\u7d20\u3002\u5b83\u4eec\u7684\u533a\u522b\u5728\u4e8e\u957f\u5ea6\u7684\u56fa\u5b9a\u6027\u548c\u7075\u6d3b\u6027\u3002\u6570\u7ec4\u7684\u957f\u5ea6\u662f\u56fa\u5b9a\u7684\uff0c\u800c\u5207\u7247\u7684\u957f\u5ea6\u662f\u53ef\u53d8\u7684\u3002<\/p>\n<h3>\u4ee3\u7801\u793a\u4f8b\uff1a<\/h3>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528\u5207\u7247\u7684\u793a\u4f8b\uff0c\u6f14\u793a\u4e86\u5982\u4f55\u5411\u5207\u7247\u4e2d\u6dfb\u52a0\u5143\u7d20\uff1a<\/p>\n<pre><code class=\"go\">package main\n\nimport &quot;fmt&quot;\n\nfunc main() {\n    \/\/ \u521b\u5efa\u4e00\u4e2a\u5207\u7247\n    numbers := []int{1, 2, 3, 4, 5}\n\n    \/\/ \u5411\u5207\u7247\u4e2d\u6dfb\u52a0\u5143\u7d20\n    numbers = append(numbers, 6)\n    numbers = append(numbers, 7, 8, 9)\n\n    \/\/ \u6253\u5370\u5207\u7247\u7684\u5185\u5bb9\n    fmt.Println(numbers)\n}<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528<code>[]int<\/code>\u8bed\u6cd5\u521b\u5efa\u4e86\u4e00\u4e2a\u5207\u7247<code>numbers<\/code>\uff0c\u5e76\u521d\u59cb\u5316\u4e86\u4e00\u4e9b\u6574\u6570\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528<code>append<\/code>\u51fd\u6570\u5411\u5207\u7247\u4e2d\u6dfb\u52a0\u5143\u7d20\u3002\u901a\u8fc7\u4f7f\u7528\u5207\u7247\uff0c\u6211\u4eec\u53ef\u4ee5\u52a8\u6001\u5730\u6dfb\u52a0\u548c\u5220\u9664\u5143\u7d20\uff0c\u800c\u4e0d\u9700\u8981\u4e8b\u5148\u6307\u5b9a\u5207\u7247\u7684\u957f\u5ea6\u3002<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c<strong>\u5207\u7247\u662f\u57fa\u4e8e\u6570\u7ec4\u7684\u4e00\u79cd\u5c01\u88c5\uff0c\u5b83\u63d0\u4f9b\u4e86\u66f4\u4fbf\u6377\u7684\u64cd\u4f5c\u548c\u7075\u6d3b\u6027\u3002\u5207\u7247\u7684\u5e95\u5c42\u662f\u4e00\u4e2a\u6307\u5411\u6570\u7ec4\u7684\u6307\u9488\uff0c\u5b83\u5305\u542b\u4e86\u5207\u7247\u7684\u957f\u5ea6\u548c\u5bb9\u91cf\u4fe1\u606f\u3002<\/strong><\/p>\n<p>\u4ee5\u4e0a\u662f\u5173\u4e8eGo\u8bed\u8a00\u4e2d\u5207\u7247\u548c\u6570\u7ec4\u7684\u533a\u522b\u4ee5\u53ca\u4f7f\u7528\u5207\u7247\u7684\u793a\u4f8b\u3002\u5207\u7247\u662fGo\u8bed\u8a00\u4e2d\u5e38\u7528\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u63d0\u4f9b\u4e86\u66f4\u7075\u6d3b\u7684\u957f\u5ea6\u548c\u64cd\u4f5c\u65b9\u5f0f\uff0c\u9002\u7528\u4e8e\u52a8\u6001\u53d8\u5316\u7684\u6570\u636e\u96c6\u5408\u3002<\/p>\n<h2>7.\u5207\u7247\u79fb\u9664\u5143\u7d20<\/h2>\n<blockquote><p>\u600e\u4e48\u79fb\u9664\u5207\u7247\u4e2d\u7684\u6570\u636e\uff1f<\/p><\/blockquote>\n<h3>\u89e3\u7b54<\/h3>\n<p>\u8981\u79fb\u9664\u5207\u7247\u4e2d\u7684\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528<code>\u5207\u7247\u7684\u5207\u7247\u64cd\u4f5c<\/code>\u6216\u4f7f\u7528\u5185\u7f6e\u7684<code>append<\/code>\u51fd\u6570\u6765\u5b9e\u73b0\u3002\u4ee5\u4e0b\u662f\u4e24\u79cd\u5e38\u89c1\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3>1. \u4f7f\u7528\u5207\u7247\u7684\u5207\u7247\u64cd\u4f5c\uff1a<\/h3>\n<p>\u5229\u7528\u5207\u7247\u7684\u5207\u7247\u64cd\u4f5c\uff0c\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u8981\u79fb\u9664\u7684\u5143\u7d20\u7684\u7d22\u5f15\u4f4d\u7f6e\u6765\u5220\u9664\u5207\u7247\u4e2d\u7684\u6570\u636e\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u8981\u79fb\u9664\u5207\u7247\u4e2d\u7684\u7b2c\u4e09\u4e2a\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u5207\u7247\u7684\u5207\u7247\u64cd\u4f5c\u5c06\u5207\u7247\u5206\u4e3a\u4e24\u90e8\u5206\uff0c\u5e76\u5c06\u7b2c\u4e09\u4e2a\u5143\u7d20\u4ece\u4e2d\u95f4\u79fb\u9664\u3002<\/p>\n<pre><code class=\"go\">package main\n\nimport &quot;fmt&quot;\n\nfunc main() {\n    numbers := []int{1, 2, 3, 4, 5}\n\n    \/\/ \u79fb\u9664\u5207\u7247\u4e2d\u7684\u7b2c\u4e09\u4e2a\u5143\u7d20\n    indexToRemove := 2\n    numbers = append(numbers[:indexToRemove], numbers[indexToRemove+1:]...)\n\n    fmt.Println(numbers) \/\/ \u8f93\u51fa: [1 2 4 5]\n}<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u5207\u7247\u7684\u5207\u7247\u64cd\u4f5c\u5c06\u5207\u7247\u5206\u4e3a\u4e24\u90e8\u5206\uff1a<code>numbers[:indexToRemove]<\/code>\u8868\u793a\u4ece\u5f00\u5934\u5230\u8981\u79fb\u9664\u7684\u5143\u7d20\u4e4b\u524d\u7684\u90e8\u5206\uff0c<code>numbers[indexToRemove+1:]<\/code>\u8868\u793a\u4ece\u8981\u79fb\u9664\u7684\u5143\u7d20\u4e4b\u540e\u5230\u672b\u5c3e\u7684\u90e8\u5206\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528<code>append<\/code>\u51fd\u6570\u5c06\u8fd9\u4e24\u90e8\u5206\u91cd\u65b0\u8fde\u63a5\u8d77\u6765\uff0c\u4ece\u800c\u5b9e\u73b0\u4e86\u79fb\u9664\u5143\u7d20\u7684\u64cd\u4f5c\u3002<\/p>\n<h3>2. \u4f7f\u7528<code>append<\/code>\u51fd\u6570\uff1a<\/h3>\n<p>\u53e6\u4e00\u79cd\u65b9\u6cd5\u662f\u4f7f\u7528<code>append<\/code>\u51fd\u6570\uff0c\u5c06\u8981\u79fb\u9664\u7684\u5143\u7d20\u4e4b\u524d\u548c\u4e4b\u540e\u7684\u90e8\u5206\u91cd\u65b0\u7ec4\u5408\u6210\u4e00\u4e2a\u65b0\u7684\u5207\u7247\u3002\u8fd9\u79cd\u65b9\u6cd5\u66f4\u9002\u7528\u4e8e\u4e0d\u77e5\u9053\u8981\u79fb\u9664\u7684\u5143\u7d20\u7684\u7d22\u5f15\u4f4d\u7f6e\u7684\u60c5\u51b5\u3002<\/p>\n<pre><code class=\"go\">package main\n\nimport &quot;fmt&quot;\n\nfunc main() {\n    numbers := []int{1, 2, 3, 4, 5}\n\n    \/\/ \u79fb\u9664\u5207\u7247\u4e2d\u7684\u5143\u7d203\n    elementToRemove := 3\n    for i := 0; i &lt; len(numbers); i++ {\n        if numbers[i] == elementToRemove {\n            numbers = append(numbers[:i], numbers[i+1:]...)\n            break\n        }\n    }\n    fmt.Println(numbers) \/\/ \u8f93\u51fa: [1 2 4 5]\n}             <\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528<code>for<\/code>\u5faa\u73af\u904d\u5386\u5207\u7247\uff0c\u627e\u5230\u8981\u79fb\u9664\u7684\u5143\u7d20\u7684\u7d22\u5f15\u4f4d\u7f6e\u3002\u4e00\u65e6\u627e\u5230\u5339\u914d\u7684\u5143\u7d20\uff0c\u6211\u4eec\u4f7f\u7528<code>append<\/code>\u51fd\u6570\u5c06\u8981\u79fb\u9664\u7684\u5143\u7d20\u4e4b\u524d\u548c\u4e4b\u540e\u7684\u90e8\u5206\u91cd\u65b0\u8fde\u63a5\u8d77\u6765\uff0c\u4ece\u800c\u5b9e\u73b0\u4e86\u79fb\u9664\u5143\u7d20\u7684\u64cd\u4f5c\u3002<\/p>\n<p>\u65e0\u8bba\u662f\u4f7f\u7528\u5207\u7247\u7684\u5207\u7247\u64cd\u4f5c\u8fd8\u662f\u4f7f\u7528<code>append<\/code>\u51fd\u6570\uff0c\u90fd\u53ef\u4ee5\u5b9e\u73b0\u5728\u5207\u7247\u4e2d\u79fb\u9664\u6570\u636e\u7684\u64cd\u4f5c\u3002<\/p>\n<h2>8.panic\u548crecover<\/h2>\n<blockquote><p>Go\u8bed\u8a00\u4e2d\u7684panic\u548crecover\u6709\u4ec0\u4e48\u4f5c\u7528\uff1f\u8bf7\u7ed9\u51fa\u4e00\u4e2a\u4f7f\u7528panic\u548crecover\u7684\u793a\u4f8b\u3002<\/p><\/blockquote>\n<h3>\u89e3\u7b54\uff1a<\/h3>\n<p>panic\u548crecover\u662fGo\u8bed\u8a00\u4e2d\u7528\u4e8e\u5904\u7406\u5f02\u5e38\u7684\u673a\u5236\u3002\u5f53\u7a0b\u5e8f\u9047\u5230\u65e0\u6cd5\u5904\u7406\u7684\u9519\u8bef\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528panic\u5f15\u53d1\u4e00\u4e2a\u5f02\u5e38\uff0c\u4e2d\u65ad\u7a0b\u5e8f\u7684\u6b63\u5e38\u6267\u884c\u3002\u800crecover\u7528\u4e8e\u6355\u83b7\u5e76\u5904\u7406panic\u5f15\u53d1\u7684\u5f02\u5e38\uff0c\u4f7f\u7a0b\u5e8f\u80fd\u591f\u7ee7\u7eed\u6267\u884c\u3002<\/p>\n<h3>\u4ee3\u7801\u793a\u4f8b\uff1a<\/h3>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528panic\u548crecover\u7684\u793a\u4f8b\uff0c\u5904\u7406\u9664\u6570\u4e3a\u96f6\u7684\u60c5\u51b5\uff1a<\/p>\n<pre><code class=\"go\">package main\n\nimport &quot;fmt&quot;\n\nfunc divide(a, b int) int {\n    defer func() {\n        if err := recover(); err != nil {\n            fmt.Println(&quot;Error:&quot;, err)\n        }\n    }()\n\n    if b == 0 {\n        panic(&quot;division by zero&quot;)\n    }\n  \n    return a \/ b\n}\n\nfunc main() {\n    result := divide(10, 0)\n    fmt.Println(&quot;Result:&quot;, result)\n}<\/code><\/pre>\n<p>\u6267\u884c\u7ed3\u679c\u5982\u4e0b\uff1a<br \/>`<br \/>Error: division by zero<br \/>Result: 0<br \/>`<\/p>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a<code>divide<\/code>\u51fd\u6570\uff0c\u7528\u4e8e\u6267\u884c\u9664\u6cd5\u8fd0\u7b97\u3002\u5728\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528<code>panic<\/code>\u5173\u952e\u5b57\u5f15\u53d1\u4e00\u4e2a\u5f02\u5e38\uff0c\u5f53\u9664\u6570\u4e3a\u96f6\u65f6\uff0c\u4f1a\u5f15\u53d1\u4e00\u4e2a&#8221;division by zero&#8221;\u7684\u5f02\u5e38\u3002<\/p>\n<p>\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528<code>defer<\/code>\u548c<code>recover<\/code>\u6765\u6355\u83b7\u5e76\u5904\u7406\u8fd9\u4e2a\u5f02\u5e38\uff0c\u6253\u5370\u51fa\u9519\u8bef\u4fe1\u606f\u3002\u901a\u8fc7\u4f7f\u7528<code>recover<\/code>\uff0c\u6211\u4eec\u53ef\u4ee5\u907f\u514d\u7a0b\u5e8f\u56e0\u4e3a\u5f02\u5e38\u800c\u5d29\u6e83\uff0c\u800c\u662f\u7ee7\u7eed\u6267\u884c\u540e\u7eed\u7684\u4ee3\u7801\u3002<\/p>\n<h2>9.\u4e92\u65a5\u9501<\/h2>\n<blockquote><p>\u4ec0\u4e48\u662f\u4e92\u65a5\u9501\uff08Mutex\uff09\uff1f\u5728Go\u8bed\u8a00\u4e2d\u5982\u4f55\u4f7f\u7528\u4e92\u65a5\u9501\u6765\u4fdd\u62a4\u5171\u4eab\u8d44\u6e90\uff1f<\/p><\/blockquote>\n<h3>\u89e3\u7b54\uff1a<\/h3>\n<p>\u4e92\u65a5\u9501\u662f\u4e00\u79cd\u5e76\u53d1\u7f16\u7a0b\u4e2d\u5e38\u7528\u7684\u540c\u6b65\u673a\u5236\uff0c\u7528\u4e8e\u4fdd\u62a4\u5171\u4eab\u8d44\u6e90\u7684\u8bbf\u95ee\u3002<\/p>\n<p>\u5728Go\u8bed\u8a00\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528sync\u5305\u4e2d\u7684Mutex\u7c7b\u578b\u6765\u5b9e\u73b0\u4e92\u65a5\u9501\u3002\u901a\u8fc7\u8c03\u7528Lock\u65b9\u6cd5\u6765\u83b7\u53d6\u9501\uff0c\u4fdd\u62a4\u5171\u4eab\u8d44\u6e90\u7684\u8bbf\u95ee\uff0c\u7136\u540e\u5728\u4f7f\u7528\u5b8c\u5171\u4eab\u8d44\u6e90\u540e\u8c03\u7528Unlock\u65b9\u6cd5\u91ca\u653e\u9501\u3002<\/p>\n<h3>\u4ee3\u7801\u793a\u4f8b\uff1a<\/h3>\n<pre><code class=\"go\">package main\n\nimport (\n    &quot;fmt&quot;\n    &quot;sync&quot;\n)\n\nvar (\n    counter int\n    mutex   sync.Mutex\n)\n\nfunc increment() {\n    mutex.Lock()\n    counter++\n    mutex.Unlock()\n}\n\nfunc main() {\n    var wg sync.WaitGroup\n    for i := 0; i &lt; 1000; i++ {\n        wg.Add(1)\n        go func() {\n            defer wg.Done()\n            increment()\n        }()\n    }\n    wg.Wait()\n\n    fmt.Println(&quot;Counter:&quot;, counter)\n}<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u5168\u5c40\u53d8\u91cfcounter\u548c\u4e00\u4e2async.Mutex\u7c7b\u578b\u7684\u4e92\u65a5\u9501mutex\u3002\u5728increment\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528mutex.Lock()\u83b7\u53d6\u9501\uff0c\u5bf9counter\u8fdb\u884c\u9012\u589e\u64cd\u4f5c\uff0c\u7136\u540e\u4f7f\u7528mutex.Unlock()\u91ca\u653e\u9501\u3002\u901a\u8fc7\u4f7f\u7528\u4e92\u65a5\u9501\uff0c\u6211\u4eec\u786e\u4fdd\u4e86\u5bf9counter\u7684\u5e76\u53d1\u8bbf\u95ee\u7684\u5b89\u5168\u6027\u3002<\/p>\n<h2>10.\u81ea\u65cb<\/h2>\n<blockquote><p>\u89e3\u91ca\u4e00\u4e0b\u5e76\u53d1\u7f16\u7a0b\u4e2d\u7684\u81ea\u65cb\u72b6\u6001\uff1f<\/p><\/blockquote>\n<h3>\u89e3\u7b54\uff1a<\/h3>\n<p>\u81ea\u65cb\u72b6\u6001\u662f\u5e76\u53d1\u7f16\u7a0b\u4e2d\u7684\u4e00\u79cd\u72b6\u6001\uff0c<strong>\u6307\u7684\u662f\u7ebf\u7a0b\u6216\u8fdb\u7a0b\u5728\u7b49\u5f85\u67d0\u4e2a\u6761\u4ef6\u6ee1\u8db3\u65f6\uff0c\u4e0d\u4f1a\u8fdb\u5165\u4f11\u7720\u6216\u963b\u585e\u72b6\u6001\uff0c\u800c\u662f\u901a\u8fc7\u4e0d\u65ad\u5730\u68c0\u67e5\u6761\u4ef6\u662f\u5426\u6ee1\u8db3\u6765\u8fdb\u884c\u5fd9\u7b49\u5f85\u3002<\/strong><\/p>\n<p><strong>\u5728\u81ea\u65cb\u72b6\u6001\u4e0b\uff0c\u7ebf\u7a0b\u4f1a\u53cd\u590d\u6267\u884c\u4e00\u4e2a\u5fd9\u7b49\u5f85\u7684\u5faa\u73af\uff0c\u76f4\u5230\u6761\u4ef6\u6ee1\u8db3\u6216\u8fbe\u5230\u4e00\u5b9a\u7684\u7b49\u5f85\u65f6\u95f4\u3002<\/strong> \u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u51cf\u5c11\u7ebf\u7a0b\u5207\u6362\u7684\u5f00\u9500\uff0c\u63d0\u9ad8\u5e76\u53d1\u6027\u80fd\u3002\u7136\u800c\uff0c<strong>\u81ea\u65cb\u72b6\u6001\u4e5f\u53ef\u80fd\u5bfc\u81f4CPU\u8d44\u6e90\u7684\u6d6a\u8d39\uff0c\u56e0\u4e3a\u7ebf\u7a0b\u4f1a\u6301\u7eed\u5360\u7528CPU\u65f6\u95f4\u7247\uff0c\u5373\u4f7f\u6761\u4ef6\u5c1a\u672a\u6ee1\u8db3\u3002<\/strong><\/p>\n<p>\u81ea\u65cb\u72b6\u6001\u901a\u5e38\u7528\u4e8e\u4ee5\u4e0b\u60c5\u51b5\uff1a<\/p>\n<ul>\n<li>\u5728\u591a\u5904\u7406\u5668\u7cfb\u7edf\u4e2d\uff0c\u7b49\u5f85\u67d0\u4e2a\u5171\u4eab\u8d44\u6e90\u7684\u91ca\u653e\uff0c\u4ee5\u907f\u514d\u7ebf\u7a0b\u5207\u6362\u7684\u5f00\u9500\u3002<\/li>\n<li>\u5728\u77ed\u6682\u7684\u7b49\u5f85\u65f6\u95f4\u5185\uff0c\u671f\u671b\u6761\u4ef6\u80fd\u591f\u5feb\u901f\u6ee1\u8db3\uff0c\u4ece\u800c\u907f\u514d\u8fdb\u5165\u963b\u585e\u72b6\u6001\u7684\u5f00\u9500\u3002<\/li>\n<\/ul>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u81ea\u65cb\u72b6\u6001\u7684\u4f7f\u7528\u5e94\u8be5\u8c28\u614e\uff0c\u5e76\u4e14\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u573a\u666f\u548c\u6761\u4ef6\u8fdb\u884c\u8bc4\u4f30\u3002\u5982\u679c\u81ea\u65cb\u65f6\u95f4\u8fc7\u957f\u6216\u6761\u4ef6\u4e0d\u592a\u53ef\u80fd\u5f88\u5feb\u6ee1\u8db3\uff0c\u90a3\u4e48\u4f7f\u7528\u81ea\u65cb\u72b6\u6001\u53ef\u80fd\u4f1a\u6d6a\u8d39\u5927\u91cf\u7684CPU\u8d44\u6e90\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u66f4\u9002\u5408\u4f7f\u7528\u963b\u585e\u6216\u4f11\u7720\u7b49\u5f85\u7684\u65b9\u5f0f\u3002<\/p>\n<p><strong>\u603b\u4e4b\uff0c\u81ea\u65cb\u72b6\u6001\u662f\u4e00\u79cd\u5728\u7b49\u5f85\u6761\u4ef6\u6ee1\u8db3\u65f6\u4e0d\u8fdb\u5165\u4f11\u7720\u6216\u963b\u585e\u72b6\u6001\u7684\u5e76\u53d1\u7f16\u7a0b\u6280\u672f\u3002\u5b83\u53ef\u4ee5\u51cf\u5c11\u7ebf\u7a0b\u5207\u6362\u7684\u5f00\u9500\uff0c\u4f46\u9700\u8981\u6743\u8861CPU\u8d44\u6e90\u7684\u4f7f\u7528\u548c\u7b49\u5f85\u65f6\u95f4\u7684\u957f\u77ed\u3002<\/strong><\/p>\n<h2>11.\u539f\u5b50\u64cd\u4f5c\u548c\u9501<\/h2>\n<blockquote><p>\u539f\u5b50\u64cd\u4f5c\u548c\u9501\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f<\/p><\/blockquote>\n<p>\u539f\u5b50\u64cd\u4f5c\u548c\u9501\u662f\u5e76\u53d1\u7f16\u7a0b\u4e2d\u5e38\u7528\u7684\u4e24\u79cd\u540c\u6b65\u673a\u5236\uff0c\u5b83\u4eec\u7684\u533a\u522b\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li>\n<p>\u4f5c\u7528\u8303\u56f4\uff1a<\/p>\n<ul>\n<li>\u539f\u5b50\u64cd\u4f5c\uff08Atomic Operations\uff09\uff1a\u539f\u5b50\u64cd\u4f5c\u662f\u4e00\u79cd\u57fa\u672c\u7684\u64cd\u4f5c\uff0c\u53ef\u4ee5\u5728\u5355\u4e2a\u6307\u4ee4\u7ea7\u522b\u4e0a\u6267\u884c\uff0c\u4fdd\u8bc1\u64cd\u4f5c\u7684\u539f\u5b50\u6027\u3002\u539f\u5b50\u64cd\u4f5c\u901a\u5e38\u7528\u4e8e\u5bf9\u5171\u4eab\u53d8\u91cf\u8fdb\u884c\u8bfb\u53d6\u3001\u5199\u5165\u6216\u4fee\u6539\u7b49\u64cd\u4f5c\uff0c\u4ee5\u786e\u4fdd\u64cd\u4f5c\u7684\u5b8c\u6574\u6027\u3002<\/li>\n<li>\u9501\uff08Lock\uff09\uff1a\u9501\u662f\u4e00\u79cd\u66f4\u9ad8\u7ea7\u522b\u7684\u540c\u6b65\u673a\u5236\uff0c\u7528\u4e8e\u4fdd\u62a4\u4e34\u754c\u533a\uff08Critical Section\uff09\u7684\u8bbf\u95ee\u3002\u9501\u53ef\u4ee5\u7528\u4e8e\u9650\u5236\u5bf9\u5171\u4eab\u8d44\u6e90\u7684\u5e76\u53d1\u8bbf\u95ee\uff0c\u4ee5\u786e\u4fdd\u7ebf\u7a0b\u5b89\u5168\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u4f7f\u7528\u65b9\u5f0f\uff1a<\/p>\n<ul>\n<li>\u539f\u5b50\u64cd\u4f5c\uff1a\u539f\u5b50\u64cd\u4f5c\u662f\u901a\u8fc7\u786c\u4ef6\u6307\u4ee4\u6216\u7279\u5b9a\u7684\u539f\u5b50\u64cd\u4f5c\u51fd\u6570\u6765\u5b9e\u73b0\u7684\uff0c\u53ef\u4ee5\u76f4\u63a5\u5e94\u7528\u4e8e\u53d8\u91cf\u6216\u5185\u5b58\u4f4d\u7f6e\uff0c\u800c\u65e0\u9700\u989d\u5916\u7684\u4ee3\u7801\u3002<\/li>\n<li>\u9501\uff1a\u9501\u662f\u901a\u8fc7\u7f16\u7a0b\u8bed\u8a00\u63d0\u4f9b\u7684\u9501\u673a\u5236\u6765\u5b9e\u73b0\u7684\uff0c\u9700\u8981\u663e\u5f0f\u5730\u4f7f\u7528\u9501\u7684\u76f8\u5173\u65b9\u6cd5\u6216\u8bed\u53e5\u6765\u4fdd\u62a4\u4e34\u754c\u533a\u7684\u8bbf\u95ee\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u7c92\u5ea6\uff1a<\/p>\n<ul>\n<li>\u539f\u5b50\u64cd\u4f5c\uff1a\u539f\u5b50\u64cd\u4f5c\u901a\u5e38\u662f\u9488\u5bf9\u5355\u4e2a\u53d8\u91cf\u6216\u5185\u5b58\u4f4d\u7f6e\u7684\u64cd\u4f5c\uff0c\u53ef\u4ee5\u5728\u975e\u5e38\u7ec6\u7c92\u5ea6\u7684\u5c42\u9762\u4e0a\u5b9e\u73b0\u540c\u6b65\u3002<\/li>\n<li>\u9501\uff1a\u9501\u901a\u5e38\u662f\u9488\u5bf9\u4e00\u6bb5\u4ee3\u7801\u6216\u4e00\u7ec4\u64cd\u4f5c\u7684\u8bbf\u95ee\u8fdb\u884c\u540c\u6b65\uff0c\u53ef\u4ee5\u63a7\u5236\u66f4\u5927\u7c92\u5ea6\u7684\u4e34\u754c\u533a\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u6027\u80fd\u5f00\u9500\uff1a<\/p>\n<ul>\n<li>\u539f\u5b50\u64cd\u4f5c\uff1a\u539f\u5b50\u64cd\u4f5c\u901a\u5e38\u5177\u6709\u8f83\u4f4e\u7684\u6027\u80fd\u5f00\u9500\uff0c\u56e0\u4e3a\u5b83\u4eec\u662f\u5728\u786c\u4ef6\u7ea7\u522b\u4e0a\u5b9e\u73b0\u7684\uff0c\u65e0\u9700\u989d\u5916\u7684\u540c\u6b65\u673a\u5236\u3002<\/li>\n<li>\u9501\uff1a\u9501\u901a\u5e38\u5177\u6709\u8f83\u9ad8\u7684\u6027\u80fd\u5f00\u9500\uff0c\u56e0\u4e3a\u5b83\u4eec\u9700\u8981\u8fdb\u884c\u4e0a\u4e0b\u6587\u5207\u6362\u548c\u7ebf\u7a0b\u540c\u6b65\u7b49\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u7efc\u4e0a\u6240\u8ff0\uff0c<strong>\u539f\u5b50\u64cd\u4f5c\u548c\u9501\u662f\u4e24\u79cd\u4e0d\u540c\u7684\u540c\u6b65\u673a\u5236\uff0c\u7528\u4e8e\u5904\u7406\u5e76\u53d1\u7f16\u7a0b\u4e2d\u7684\u540c\u6b65\u95ee\u9898\u3002\u539f\u5b50\u64cd\u4f5c\u9002\u7528\u4e8e\u5bf9\u5355\u4e2a\u53d8\u91cf\u7684\u8bfb\u5199\u64cd\u4f5c\uff0c\u5177\u6709\u8f83\u4f4e\u7684\u6027\u80fd\u5f00\u9500\u3002\u800c\u9501\u9002\u7528\u4e8e\u5bf9\u4e00\u6bb5\u4ee3\u7801\u6216\u4e00\u7ec4\u64cd\u4f5c\u7684\u8bbf\u95ee\u8fdb\u884c\u540c\u6b65\uff0c\u5177\u6709\u66f4\u9ad8\u7684\u6027\u80fd\u5f00\u9500\u3002\u9009\u62e9\u4f7f\u7528\u539f\u5b50\u64cd\u4f5c\u8fd8\u662f\u9501\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u573a\u666f\u548c\u9700\u6c42\u3002<\/strong><\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c<strong>\u539f\u5b50\u64cd\u4f5c\u901a\u5e38\u7528\u4e8e\u5bf9\u5171\u4eab\u53d8\u91cf\u8fdb\u884c\u7b80\u5355\u7684\u8bfb\u5199\u64cd\u4f5c\uff0c\u800c\u9501\u66f4\u9002\u7528\u4e8e\u5bf9\u4e34\u754c\u533a\u7684\u8bbf\u95ee\u8fdb\u884c\u590d\u6742\u7684\u64cd\u4f5c\u548c\u4fdd\u62a4\u3002\u5728\u8bbe\u8ba1\u5e76\u53d1\u7a0b\u5e8f\u65f6\uff0c\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u9700\u6c42\u548c\u6027\u80fd\u8981\u6c42\u6765\u9009\u62e9\u5408\u9002\u7684\u540c\u6b65\u673a\u5236\u3002<\/strong><\/p>\n<h2>12.Goroutine<\/h2>\n<blockquote><p>Go\u8bed\u8a00\u4e2d\u7684goroutine\u662f\u4ec0\u4e48\uff1f\u8bf7\u7ed9\u51fa\u4e00\u4e2a\u4f7f\u7528goroutine\u7684\u793a\u4f8b\u3002<\/p><\/blockquote>\n<h3>\u89e3\u7b54\uff1a<\/h3>\n<p>goroutine\u662fGo\u8bed\u8a00\u4e2d\u8f7b\u91cf\u7ea7\u7684\u5e76\u53d1\u6267\u884c\u5355\u5143\uff0c\u53ef\u4ee5\u540c\u65f6\u6267\u884c\u591a\u4e2agoroutine\uff0c\u800c\u4e0d\u9700\u8981\u663e\u5f0f\u5730\u7ba1\u7406\u7ebf\u7a0b\u7684\u751f\u547d\u5468\u671f\u3002goroutine\u7531Go\u8fd0\u884c\u65f6\uff08runtime\uff09\u8fdb\u884c\u8c03\u5ea6\uff0c\u53ef\u4ee5\u5728\u5e76\u53d1\u7f16\u7a0b\u4e2d\u5b9e\u73b0\u5e76\u884c\u6267\u884c\u3002<\/p>\n<h3>\u4ee3\u7801\u793a\u4f8b\uff1a<\/h3>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528goroutine\u7684\u793a\u4f8b\uff0c\u8ba1\u7b97\u6590\u6ce2\u90a3\u5951\u6570\u5217\uff1a<\/p>\n<pre><code class=\"go\">package main\n\nimport (\n    &quot;fmt&quot;\n    &quot;sync&quot;\n)\n\nfunc fibonacci(n int, wg *sync.WaitGroup) {\n    defer wg.Done()\n\n    x, y := 0, 1\n    for i := 0; i &lt; n; i++ {\n        fmt.Println(x)\n        x, y = y, x+y\n    }\n}\n\nfunc main() {\n    var wg sync.WaitGroup\n    wg.Add(2)\n\n    go fibonacci(10, &amp;wg)\n    go fibonacci(5, &amp;wg)\n\n    wg.Wait()\n}<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528go\u5173\u952e\u5b57\u542f\u52a8\u4e86\u4e24\u4e2agoroutine\uff0c\u5206\u522b\u8ba1\u7b97\u6590\u6ce2\u90a3\u5951\u6570\u5217\u7684\u524d10\u4e2a\u548c\u524d5\u4e2a\u6570\u5b57\u3002\u901a\u8fc7\u4f7f\u7528goroutine\uff0c\u6211\u4eec\u53ef\u4ee5\u5e76\u884c\u5730\u6267\u884c\u8fd9\u4e24\u4e2a\u8ba1\u7b97\u4efb\u52a1\uff0c\u800c\u4e0d\u9700\u8981\u663e\u5f0f\u5730\u521b\u5efa\u548c\u7ba1\u7406\u7ebf\u7a0b\u3002<\/p>\n<h2>13.\u901a\u9053<\/h2>\n<blockquote><p>Go\u8bed\u8a00\u4e2d\u7684\u901a\u9053\uff08channel\uff09\u662f\u4ec0\u4e48\uff1f\u8bf7\u7ed9\u51fa\u4e00\u4e2a\u4f7f\u7528\u901a\u9053\u7684\u793a\u4f8b\u3002<\/p><\/blockquote>\n<h3>\u89e3\u7b54\uff1a<\/h3>\n<p>\u901a\u9053\u662f\u7528\u4e8e\u5728goroutine\u4e4b\u95f4\u8fdb\u884c\u901a\u4fe1\u548c\u540c\u6b65\u7684\u673a\u5236\u3002\u901a\u9053\u63d0\u4f9b\u4e86\u4e00\u79cd\u5b89\u5168\u7684\u3001\u963b\u585e\u7684\u65b9\u5f0f\u6765\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002\u901a\u8fc7\u901a\u9053\uff0c\u53ef\u4ee5\u5b9e\u73b0\u591a\u4e2agoroutine\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u9012\u548c\u540c\u6b65\u3002<\/p>\n<h3>\u4ee3\u7801\u793a\u4f8b\uff1a<\/h3>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528\u901a\u9053\u7684\u793a\u4f8b\uff0c\u8ba1\u7b97\u4e24\u4e2a\u6570\u7684\u548c\uff1a<\/p>\n<pre><code class=\"go\">package main\n\nimport &quot;fmt&quot;\n\nfunc sum(a, b int, c chan int) {\n    result := a + b\n    c &lt;- result \/\/ \u5c06\u7ed3\u679c\u53d1\u9001\u5230\u901a\u9053\n}\n\nfunc main() {\n    \/\/ \u521b\u5efa\u4e00\u4e2a\u6574\u578b\u901a\u9053\n    c := make(chan int)\n\n    \/\/ \u542f\u52a8\u4e00\u4e2agoroutine\u6765\u8ba1\u7b97\u4e24\u4e2a\u6570\u7684\u548c\n    go sum(10, 20, c)\n\n    \/\/ \u4ece\u901a\u9053\u63a5\u6536\u7ed3\u679c\n    result := &lt;-c\n\n    fmt.Println(&quot;Sum:&quot;, result)\n}<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2asum\u51fd\u6570\uff0c\u7528\u4e8e\u8ba1\u7b97\u4e24\u4e2a\u6570\u7684\u548c\uff0c\u5e76\u5c06\u7ed3\u679c\u53d1\u9001\u5230\u901a\u9053c\u4e2d\u3002\u5728main\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u6574\u578b\u901a\u9053c\uff0c\u7136\u540e\u542f\u52a8\u4e00\u4e2agoroutine\u6765\u6267\u884csum\u51fd\u6570\uff0c\u5e76\u5c06\u7ed3\u679c\u53d1\u9001\u5230\u901a\u9053\u4e2d\u3002\u6700\u540e\uff0c\u6211\u4eec\u901a\u8fc7\u4ece\u901a\u9053\u4e2d\u63a5\u6536\u7ed3\u679c\uff0c\u83b7\u53d6\u8ba1\u7b97\u7684\u548c\u5e76\u6253\u5370\u51fa\u6765\u3002<\/p>\n<p>\u901a\u8fc7\u4f7f\u7528\u901a\u9053\uff0c\u6211\u4eec\u5b9e\u73b0\u4e86goroutine\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u9012\u548c\u540c\u6b65\u3002\u5728\u793a\u4f8b\u4e2d\uff0c\u901a\u9053c\u7528\u4e8e\u5c06\u8ba1\u7b97\u7ed3\u679c\u4ecegoroutine\u53d1\u9001\u5230\u4e3bgoroutine\uff0c\u5b9e\u73b0\u4e86\u6570\u636e\u7684\u4f20\u9012\u548c\u540c\u6b65\u3002<\/p>\n<h2>14.select<\/h2>\n<blockquote><p>Go\u8bed\u8a00\u4e2d\u7684select\u8bed\u53e5\u662f\u4ec0\u4e48\uff1f\u8bf7\u7ed9\u51fa\u4e00\u4e2a\u4f7f\u7528select\u8bed\u53e5\u7684\u793a\u4f8b\u3002<\/p><\/blockquote>\n<h3>\u89e3\u7b54\uff1a<\/h3>\n<p>select\u8bed\u53e5\u662fGo\u8bed\u8a00\u4e2d\u7528\u4e8e\u5904\u7406\u901a\u9053\u64cd\u4f5c\u7684\u4e00\u79cd\u673a\u5236\u3002\u5b83\u53ef\u4ee5\u540c\u65f6\u76d1\u542c\u591a\u4e2a\u901a\u9053\u7684\u8bfb\u5199\u64cd\u4f5c\uff0c\u5e76\u5728\u5176\u4e2d\u4efb\u610f\u4e00\u4e2a\u901a\u9053\u5c31\u7eea\u65f6\u6267\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002<\/p>\n<h3>\u4ee3\u7801\u793a\u4f8b\uff1a<\/h3>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528select\u8bed\u53e5\u7684\u793a\u4f8b\uff0c\u4ece\u4e24\u4e2a\u901a\u9053\u4e2d\u63a5\u6536\u6570\u636e\uff1a<\/p>\n<pre><code class=\"go\">package main\n\nimport &quot;fmt&quot;\n\nfunc main() {\n    ch1 := make(chan int)\n    ch2 := make(chan int)\n\n    go func() {\n        ch1 &lt;- 10\n    }()\n\n    go func() {\n        ch2 &lt;- 20\n    }()\n\n    select {\n    case num := &lt;-ch1:\n        fmt.Println(&quot;Received from ch1:&quot;, num)\n    case num := &lt;-ch2:\n        fmt.Println(&quot;Received from ch2:&quot;, num)\n    }\n}<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e24\u4e2a\u6574\u578b\u901a\u9053ch1\u548cch2\u3002\u7136\u540e\uff0c\u6211\u4eec\u542f\u52a8\u4e86\u4e24\u4e2agoroutine\uff0c\u5206\u522b\u5411\u901a\u9053ch1\u548cch2\u53d1\u9001\u6570\u636e\u3002\u5728\u4e3bgoroutine\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528select\u8bed\u53e5\u76d1\u542c\u8fd9\u4e24\u4e2a\u901a\u9053\u7684\u8bfb\u64cd\u4f5c\uff0c\u5e76\u5728\u5176\u4e2d\u4efb\u610f\u4e00\u4e2a\u901a\u9053\u5c31\u7eea\u65f6\u6267\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002\u5728\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4ece\u5c31\u7eea\u7684\u901a\u9053\u4e2d\u63a5\u6536\u6570\u636e\uff0c\u5e76\u6253\u5370\u51fa\u6765\u3002<\/p>\n<p><strong>\u901a\u8fc7\u4f7f\u7528select\u8bed\u53e5\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u591a\u4e2a\u901a\u9053\u7684\u5e76\u53d1\u64cd\u4f5c\uff0c\u5e76\u6839\u636e\u5c31\u7eea\u7684\u901a\u9053\u6267\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002\u8fd9\u5728\u5904\u7406\u5e76\u53d1\u4efb\u52a1\u65f6\u975e\u5e38\u6709\u7528\u3002<\/strong><\/p>\n<h2>15.\u534f\u7a0b\u548c\u901a\u9053<\/h2>\n<blockquote><p>Go\u8bed\u8a00\u5982\u4f55\u901a\u8fc7goroutine\u548cchannel\u5b9e\u73b0\u5e76\u53d1\u7684\uff1f\u8bf7\u7ed9\u51fa\u4e00\u4e2a\u5e76\u53d1\u7f16\u7a0b\u7684\u793a\u4f8b\u3002<\/p><\/blockquote>\n<h3>\u89e3\u7b54\uff1a<\/h3>\n<p>Go\u8bed\u8a00\u901a\u8fc7goroutine\u548cchannel\u5b9e\u73b0\u5e76\u53d1\u3002goroutine\u662f\u4e00\u79cd\u8f7b\u91cf\u7ea7\u7684\u7ebf\u7a0b\uff0c\u53ef\u4ee5\u540c\u65f6\u6267\u884c\u591a\u4e2agoroutine\uff0c\u800c\u4e0d\u9700\u8981\u663e\u5f0f\u5730\u7ba1\u7406\u7ebf\u7a0b\u7684\u751f\u547d\u5468\u671f\u3002<\/p>\n<p>channel\u662f\u7528\u4e8egoroutine\u4e4b\u95f4\u901a\u4fe1\u7684\u7ba1\u9053\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u5e76\u53d1\u7f16\u7a0b\u793a\u4f8b\uff0c\u8ba1\u7b97\u6590\u6ce2\u90a3\u5951\u6570\u5217\uff1a<\/p>\n<h3>\u4ee3\u7801\u793a\u4f8b<\/h3>\n<pre><code class=\"go\">package main\n\nimport &quot;fmt&quot;\n\nfunc fibonacci(n int, c chan int) {\n    x, y := 0, 1\n    for i := 0; i &lt; n; i++ {\n        c &lt;- x\n        x, y = y, x+y\n    }\n    close(c)\n}\n\nfunc main() {\n    c := make(chan int)\n    go fibonacci(10, c)\n    for num := range c {\n        fmt.Println(num)\n    }\n}<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528goroutine\u542f\u52a8\u4e86\u4e00\u4e2a\u8ba1\u7b97\u6590\u6ce2\u90a3\u5951\u6570\u5217\u7684\u51fd\u6570\uff0c\u5e76\u901a\u8fc7channel\u8fdb\u884c\u901a\u4fe1\u3002\u4e3b\u51fd\u6570\u4ecechannel\u4e2d\u63a5\u6536\u8ba1\u7b97\u7ed3\u679c\u5e76\u6253\u5370\u3002\u901a\u8fc7goroutine\u548cchannel\u7684\u7ed3\u5408\uff0c\u6211\u4eec\u5b9e\u73b0\u4e86\u5e76\u53d1\u8ba1\u7b97\u6590\u6ce2\u90a3\u5951\u6570\u5217\u7684\u529f\u80fd\u3002<\/p>\n<h2>16.runtime<\/h2>\n<blockquote><p>Go\u8bed\u8a00\u4e2d\u7684runtime\u5305\u662f\u7528\u6765\u505a\u4ec0\u4e48\u7684\uff1f\u8bf7\u7ed9\u51fa\u4e00\u4e2a\u4f7f\u7528runtime\u5305\u7684\u793a\u4f8b\u3002<\/p><\/blockquote>\n<h3>\u89e3\u7b54\uff1a<\/h3>\n<p>runtime\u5305\u662fGo\u8bed\u8a00\u7684\u8fd0\u884c\u65f6\u7cfb\u7edf\uff0c\u63d0\u4f9b\u4e86\u4e0e\u5e95\u5c42\u7cfb\u7edf\u4ea4\u4e92\u548c\u63a7\u5236\u7684\u529f\u80fd\u3002\u5b83\u5305\u542b\u4e86\u4e0e\u5185\u5b58\u7ba1\u7406\u3001\u5783\u573e\u56de\u6536\u3001\u534f\u7a0b\u8c03\u5ea6\u7b49\u76f8\u5173\u7684\u51fd\u6570\u548c\u53d8\u91cf\u3002<\/p>\n<h3>\u4ee3\u7801\u793a\u4f8b\uff1a<\/h3>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528runtime\u5305\u7684\u793a\u4f8b\uff0c\u83b7\u53d6\u5f53\u524dgoroutine\u7684\u6570\u91cf\uff1a<\/p>\n<pre><code class=\"go\">package main\n\nimport (\n    &quot;fmt&quot;\n    &quot;runtime&quot;\n)\n\nfunc main() {\n    num := runtime.NumGoroutine()\n    fmt.Println(&quot;Number of goroutines:&quot;, num)\n}<\/code><\/pre>\n<h2>17.\u5783\u573e\u56de\u6536<\/h2>\n<blockquote><p>Go\u8bed\u8a00\u4e2d\u7684\u5783\u573e\u56de\u6536\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f\u8bf7\u7ed9\u51fa\u4e00\u4e2a\u4f7f\u7528\u5783\u573e\u56de\u6536\u7684\u793a\u4f8b\u3002<\/p><\/blockquote>\n<h3>\u89e3\u7b54\uff1a<\/h3>\n<p>Go\u8bed\u8a00\u4e2d\u7684\u5783\u573e\u56de\u6536\u5668\uff08Garbage Collector\uff09\u662f\u81ea\u52a8\u7ba1\u7406\u5185\u5b58\u7684\u673a\u5236\uff0c\u7528\u4e8e\u56de\u6536\u4e0d\u518d\u4f7f\u7528\u7684\u5185\u5b58\u3002\u5783\u573e\u56de\u6536\u5668\u4f1a\u81ea\u52a8\u68c0\u6d4b\u4e0d\u518d\u4f7f\u7528\u7684\u5bf9\u8c61\uff0c\u5e76\u91ca\u653e\u5176\u5360\u7528\u7684\u5185\u5b58\u7a7a\u95f4\u3002<\/p>\n<h3>\u4ee3\u7801\u793a\u4f8b<\/h3>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528\u5783\u573e\u56de\u6536\u7684\u793a\u4f8b\uff0c\u521b\u5efa\u4e00\u4e2a\u5927\u91cf\u7684\u4e34\u65f6\u5bf9\u8c61\uff1a<\/p>\n<pre><code class=\"go\">package main\n\nimport (\n    &quot;fmt&quot;\n    &quot;runtime&quot;\n    &quot;time&quot;\n)\n\nfunc createObjects() {\n    for i := 0; i &lt; 1000000; i++ {\n        _ = make([]byte, 1024)\n    }\n}\n\nfunc main() {\n    createObjects()\n    time.Sleep(time.Second) \/\/ \u7b49\u5f85\u5783\u573e\u56de\u6536\u5668\u6267\u884c\n\n    var stats runtime.MemStats\n    runtime.ReadMemStats(&amp;stats)\n    fmt.Println(&quot;Allocated memory:&quot;, stats.Alloc)\n}<\/code><\/pre>\n<p>\u6253\u5370\u7ed3\u679c\uff1a<br \/>`<br \/>Allocated memory: 77344<br \/>`<\/p>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u5faa\u73af\u521b\u5efa\u4e86\u5927\u91cf\u7684\u4e34\u65f6\u5bf9\u8c61\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528<code>time.Sleep<\/code>\u51fd\u6570\u7b49\u5f85\u5783\u573e\u56de\u6536\u5668\u6267\u884c\u3002\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528<code>runtime.ReadMemStats<\/code>\u51fd\u6570\u8bfb\u53d6\u5185\u5b58\u7edf\u8ba1\u4fe1\u606f\uff0c\u5e76\u6253\u5370\u51fa\u5df2\u5206\u914d\u7684\u5185\u5b58\u5927\u5c0f\u3002<\/p>\n<p>\u901a\u8fc7\u4f7f\u7528\u5783\u573e\u56de\u6536\u5668\uff0c\u6211\u4eec\u53ef\u4ee5\u81ea\u52a8\u7ba1\u7406\u5185\u5b58\uff0c\u907f\u514d\u624b\u52a8\u91ca\u653e\u4e0d\u518d\u4f7f\u7528\u7684\u5bf9\u8c61\u3002\u5783\u573e\u56de\u6536\u5668\u4f1a\u5728\u9002\u5f53\u7684\u65f6\u673a\u81ea\u52a8\u56de\u6536\u4e0d\u518d\u4f7f\u7528\u7684\u5185\u5b58\uff0c\u4ece\u800c\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002<\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p><strong>\u6211\u4eec\u5728\u56de\u7b54\u9762\u8bd5\u9898\u7684\u65f6\u5019\uff0c\u4e0d\u80fd\u5e72\u5df4\u5df4\u7684\u53bb\u80cc\u516b\u80a1\u6587\uff0c\u4e00\u5b9a\u8981\u7ed3\u5408\u5e94\u7528\u573a\u666f\uff0c\u6700\u597d\u80fd\u7ed3\u5408\u8fc7\u53bb\u505a\u8fc7\u7684\u9879\u76ee\uff0c\u53bb\u548c\u9762\u8bd5\u5b98\u6c9f\u901a\u3002<\/strong><\/p>\n<p>\u8fd9\u4e9b\u573a\u666f\u9898\u867d\u7136\u4e0d\u8981\u6c42\u6211\u4eec\u624b\u6495\u4ee3\u7801\uff0c\u4f46\u662f\u89e3\u51b3\u601d\u8def\u548c\u5173\u952e\u65b9\u6cd5\u8fd8\u662f\u8981\u70c2\u719f\u4e8e\u5fc3\u7684\u3002<\/p>\n<p><strong>\u8fd9\u7bc7\u6587\u7ae0\u4e0d\u4ec5\u7ed9\u51fa\u4e86\u5e38\u89c1\u7684\u9762\u8bd5\u9898\u548c\u7b54\u6848\uff0c\u5e76\u4e14\u7ed9\u51fa\u4e86\u8fd9\u4e9b\u77e5\u8bc6\u70b9\u7684\u5e94\u7528\u573a\u666f\u3001\u4e5f\u7ed9\u51fa\u4e86\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\u7684\u601d\u8def\uff0c\u5e76\u4e14\u7ed3\u5408\u8fd9\u4e9b\u601d\u8def\u63d0\u4f9b\u4e86\u5173\u952e\u4ee3\u7801\u3002\u8fd9\u4e9b\u4ee3\u7801\u6bb5\u90fd\u662f\u53ef\u4ee5\u76f4\u63a5CV\u5230\u672c\u5730\u8fd0\u884c\u8d77\u6765\u7684\uff0c\u5e76\u4e14\u90fd\u5199\u6e05\u695a\u4e86\u6ce8\u91ca\uff0c\u6b22\u8fce\u5927\u5bb6\u52a8\u8d77\u624b\u6765\u64cd\u7ec3\u8d77\u6765\uff0c\u4e0d\u8981\u6b7b\u8bb0\u786c\u80cc\u516b\u80a1\u6587\u3002<\/strong><\/p>\n<p>\u6700\u540e\uff0c\u6574\u7406\u4e0d\u6613\uff0c\u539f\u521b\u66f4\u4e0d\u6613\uff0c\u4f60\u7684\u70b9\u8d5e\u3001\u7559\u8a00\u3001\u8f6c\u53d1\u662f\u5bf9\u6211\u6700\u5927\u7684\u652f\u6301\uff01<\/p>\n<p><strong>\u5168\u7f51\u641c\u7d22\uff1a<code>\u738b\u4e2d\u9633Go<\/code>\uff0c\u83b7\u5f97\u66f4\u591a\u9762\u8bd5\u9898\u8d44\u6599\u3002<\/strong><\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000043941391\">https:\/\/segmentfault.com\/a\/1190000043941391<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5927\u5bb6\u597d\uff0c\u6211\u662f\u9633\u54e5\u3002 \u4e4b\u524d\u5199\u7684\u300a GO\u5fc5\u77e5\u5fc5\u4f1a\u9762\u8bd5\u9898\u6c47\u603b\u300b\uff0c\u5df2\u7ecf\u9605\u8bfb\u7834\u4e07\uff0c\u6536\u85cf230+\u3002 \u4e5f\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u3001\u8f6c\u53d1\u672c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-10008003","post","type-post","status-publish","format-standard","hentry","category-share"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10008003","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10008003"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10008003\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10008003"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10008003"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10008003"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}