{"id":500,"date":"2023-05-27T19:10:32","date_gmt":"2023-05-27T11:10:32","guid":{"rendered":"https:\/\/fugary.com\/?p=500"},"modified":"2023-05-27T19:10:32","modified_gmt":"2023-05-27T11:10:32","slug":"chatgpt%e6%80%bb%e7%bb%93%e7%9a%84go%e8%af%ad%e8%a8%80%e6%9c%80%e6%9c%89%e7%89%b9%e8%89%b2%e7%9a%84%e5%87%a0%e4%b8%aa%e7%89%b9%e6%80%a7","status":"publish","type":"post","link":"https:\/\/fugary.com\/?p=500","title":{"rendered":"ChatGPT\u603b\u7ed3\u7684Go\u8bed\u8a00\u6700\u6709\u7279\u8272\u7684\u51e0\u4e2a\u7279\u6027"},"content":{"rendered":"<p>\u4ee5\u4e0b\u662fGo\u8bed\u8a00\u6700\u6709\u7279\u8272\u7684\u51e0\u4e2a\u7279\u6027\uff0c\u5e76\u9644\u5e26\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n<h4>\u5e76\u53d1\u7f16\u7a0b<\/h4>\n<p>Go\u8bed\u8a00\u539f\u751f\u652f\u6301\u8f7b\u91cf\u7ea7\u7684\u5e76\u53d1\uff0c\u901a\u8fc7goroutine\u548cchannel\u6765\u5b9e\u73b0\u5e76\u53d1\u7f16\u7a0b\u3002<\/p>\n<pre><code class=\"language-go\">package main\n\nimport (\n    &quot;fmt&quot;\n    &quot;time&quot;\n)\n\nfunc printMessage(message string) {\n    for i := 0; i &lt; 5; i++ {\n        fmt.Println(message)\n        time.Sleep(time.Millisecond * 500)\n    }\n}\n\nfunc main() {\n    go printMessage(&quot;Hello&quot;)\n    go printMessage(&quot;World&quot;)\n\n    time.Sleep(time.Second * 3)\n}<\/code><\/pre>\n<h4>\u5783\u573e\u56de\u6536<\/h4>\n<p>Go\u8bed\u8a00\u5177\u6709\u81ea\u52a8\u5185\u5b58\u7ba1\u7406\uff0c\u4f7f\u7528\u5783\u573e\u56de\u6536\u5668\uff08garbage collector\uff09\u6765\u81ea\u52a8\u91ca\u653e\u4e0d\u518d\u4f7f\u7528\u7684\u5185\u5b58\u3002<\/p>\n<pre><code class=\"language-go\">package main\n\nimport &quot;fmt&quot;\n\nfunc createSlice() []int {\n    slice := make([]int, 0, 5)\n    for i := 1; i &lt;= 5; i++ {\n        slice = append(slice, i)\n    }\n    return slice\n}\n\nfunc main() {\n    slice := createSlice()\n    fmt.Println(slice)\n}<\/code><\/pre>\n<h4>\u7c7b\u578b\u63a8\u65ad<\/h4>\n<p>Go\u8bed\u8a00\u5177\u6709\u7c7b\u578b\u63a8\u65ad\u529f\u80fd\uff0c\u53ef\u4ee5\u6839\u636e\u8d4b\u503c\u8bed\u53e5\u81ea\u52a8\u63a8\u65ad\u53d8\u91cf\u7684\u7c7b\u578b\u3002<\/p>\n<pre><code class=\"language-go\">package main\n\nimport &quot;fmt&quot;\n\nfunc main() {\n    message := &quot;Hello, Go!&quot;\n    count := 10\n    ratio := 3.14\n\n    fmt.Println(message)\n    fmt.Println(count)\n    fmt.Println(ratio)\n}<\/code><\/pre>\n<h4>\u51fd\u6570\u591a\u8fd4\u56de\u503c<\/h4>\n<p>Go\u8bed\u8a00\u652f\u6301\u51fd\u6570\u8fd4\u56de\u591a\u4e2a\u503c\uff0c\u7b80\u5316\u4e86\u67d0\u4e9b\u60c5\u51b5\u4e0b\u7684\u4ee3\u7801\u7f16\u5199\u3002<\/p>\n<pre><code class=\"language-go\">package main\n\nimport &quot;fmt&quot;\n\nfunc swap(a, b int) (int, int) {\n    return b, a\n}\n\nfunc main() {\n    x, y := 10, 20\n    x, y = swap(x, y)\n    fmt.Println(x, y) \/\/ \u8f93\u51fa\uff1a20 10\n}<\/code><\/pre>\n<h4>defer\u8bed\u53e5<\/h4>\n<p>Go\u8bed\u8a00\u63d0\u4f9b\u4e86defer\u8bed\u53e5\uff0c\u7528\u4e8e\u5ef6\u8fdf\u6267\u884c\u51fd\u6570\u8c03\u7528\uff0c\u5e38\u7528\u4e8e\u8d44\u6e90\u91ca\u653e\u548c\u5f02\u5e38\u5904\u7406\u3002<\/p>\n<pre><code class=\"language-go\">package main\n\nimport &quot;fmt&quot;\n\nfunc cleanup() {\n    fmt.Println(&quot;Cleanup&quot;)\n}\n\nfunc main() {\n    defer cleanup()\n\n    fmt.Println(&quot;Hello, Go!&quot;)\n}<\/code><\/pre>\n<h4>\u533f\u540d\u51fd\u6570\u548c\u95ed\u5305<\/h4>\n<p>Go\u8bed\u8a00\u652f\u6301\u533f\u540d\u51fd\u6570\u548c\u95ed\u5305\u7684\u6982\u5ff5\uff0c\u53ef\u4ee5\u5728\u51fd\u6570\u5185\u90e8\u5b9a\u4e49\u51fd\u6570\uff0c\u5e76\u8bbf\u95ee\u5916\u90e8\u51fd\u6570\u7684\u53d8\u91cf\u3002<\/p>\n<pre><code class=\"language-go\">package main\n\nimport &quot;fmt&quot;\n\nfunc generateIncrementer() func() int {\n    count := 0\n    return func() int {\n        count++\n        return count\n    }\n}\n\nfunc main() {\n    increment := generateIncrementer()\n    fmt.Println(increment()) \/\/ \u8f93\u51fa\uff1a1\n    fmt.Println(increment()) \/\/ \u8f93\u51fa\uff1a2\n    fmt.Println(increment()) \/\/ \u8f93\u51fa\uff1a3\n}<\/code><\/pre>\n<h4>\u63a5\u53e3\u548c\u7c7b\u578b\u65ad\u8a00<\/h4>\n<p>Go\u8bed\u8a00\u901a\u8fc7\u63a5\u53e3\uff08interface\uff09\u5b9e\u73b0\u591a\u6001\u6027\uff0c\u540c\u65f6\u63d0\u4f9b\u4e86\u7c7b\u578b\u65ad\u8a00\uff08type assertion\uff09\u673a\u5236\u6765\u5728\u8fd0\u884c\u65f6\u68c0\u67e5\u63a5\u53e3\u7684\u5177\u4f53\u7c7b\u578b\u3002<\/p>\n<pre><code class=\"language-go\">package main\n\nimport &quot;fmt&quot;\n\ntype Shape interface {\n    Area() float64\n}\n\ntype Rectangle struct {\n    width  float64\n    height float64\n}\n\nfunc (r Rectangle) Area() float64 {\n    return r.width * r.height\n}\n\ntype Circle struct {\n    radius float64\n}\n\nfunc (c Circle) Area() float64 {\n    return 3.14 * c.radius * c.radius\n}\n\nfunc printArea(shape Shape) {\n    fmt.Println(&quot;Area:&quot;, shape.Area())\n}\n\nfunc main() {\n    rect := Rectangle{width: 3, height: 4}\n    circ := Circle{radius: 5}\n\n    printArea(rect) \/\/ \u8f93\u51fa\uff1aArea: 12\n    printArea(circ) \/\/ \u8f93\u51fa\uff1aArea: 78.5\n}<\/code><\/pre>\n<h4>\u9519\u8bef\u5904\u7406<\/h4>\n<p>Go\u8bed\u8a00\u901a\u8fc7\u9519\u8bef\u503c\uff08error value\uff09\u548c\u591a\u8fd4\u56de\u503c\u7684\u65b9\u5f0f\u8fdb\u884c\u9519\u8bef\u5904\u7406\uff0c\u7b80\u5316\u4e86\u9519\u8bef\u5904\u7406\u7684\u6d41\u7a0b\u3002<\/p>\n<pre><code class=\"language-go\">package main\n\nimport (\n    &quot;errors&quot;\n    &quot;fmt&quot;\n)\n\nfunc divide(a, b float64) (float64, error) {\n    if b == 0 {\n        return 0, errors.New(&quot;division by zero&quot;)\n    }\n    return a \/ b, nil\n}\n\nfunc main() {\n    result, err := divide(10, 0)\n    if err != nil {\n        fmt.Println(&quot;Error:&quot;, err)\n        return\n    }\n    fmt.Println(&quot;Result:&quot;, result)\n}<\/code><\/pre>\n<p>\u8fd9\u4e9b\u7279\u6027\u4f7f\u5f97Go\u8bed\u8a00\u5728\u5e76\u53d1\u7f16\u7a0b\u3001\u5185\u5b58\u7ba1\u7406\u3001\u7b80\u6d01\u6027\u548c\u53ef\u9760\u6027\u65b9\u9762\u5177\u6709\u72ec\u7279\u7684\u4f18\u52bf\u3002\u8bf7\u9010\u6bb5\u8fd0\u884c\u8fd9\u4e9b\u4ee3\u7801\u793a\u4f8b\uff0c\u4ee5\u4e86\u89e3\u66f4\u591a\u5173\u4e8eGo\u8bed\u8a00\u7684\u7f16\u7801\u7279\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ee5\u4e0b\u662fGo\u8bed\u8a00\u6700\u6709\u7279\u8272\u7684\u51e0\u4e2a\u7279\u6027\uff0c\u5e76\u9644\u5e26\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\uff1a \u5e76\u53d1\u7f16\u7a0b Go\u8bed\u8a00\u539f\u751f\u652f\u6301\u8f7b\u91cf\u7ea7\u7684\u5e76\u53d1\uff0c\u901a\u8fc7goro [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[107,1],"tags":[118],"_links":{"self":[{"href":"https:\/\/fugary.com\/index.php?rest_route=\/wp\/v2\/posts\/500"}],"collection":[{"href":"https:\/\/fugary.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fugary.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fugary.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fugary.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=500"}],"version-history":[{"count":1,"href":"https:\/\/fugary.com\/index.php?rest_route=\/wp\/v2\/posts\/500\/revisions"}],"predecessor-version":[{"id":501,"href":"https:\/\/fugary.com\/index.php?rest_route=\/wp\/v2\/posts\/500\/revisions\/501"}],"wp:attachment":[{"href":"https:\/\/fugary.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=500"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fugary.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=500"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fugary.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=500"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}