{"id":3182,"date":"2025-03-25T23:48:56","date_gmt":"2025-03-25T15:48:56","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=3182"},"modified":"2025-03-25T23:48:56","modified_gmt":"2025-03-25T15:48:56","slug":"go-%e8%af%ad%e8%a8%80%e6%95%b0%e7%bb%84%ef%bc%88array%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/03\/25\/go-%e8%af%ad%e8%a8%80%e6%95%b0%e7%bb%84%ef%bc%88array%ef%bc%89\/","title":{"rendered":"Go \u8bed\u8a00\u6570\u7ec4\uff08Array\uff09"},"content":{"rendered":"\n<p>\u5728 Go \u8bed\u8a00\u4e2d\uff0c\u6570\u7ec4\u662f\u4e00\u7ec4\u56fa\u5b9a\u5927\u5c0f\u7684\u540c\u7c7b\u578b\u5143\u7d20\u7684\u96c6\u5408\u3002\u4e0e\u5176\u4ed6\u7f16\u7a0b\u8bed\u8a00\u4e0d\u540c\uff0cGo \u7684\u6570\u7ec4\u662f\u503c\u7c7b\u578b\uff0c\u8fd9\u610f\u5473\u7740\u5728\u5c06\u6570\u7ec4\u4f20\u9012\u7ed9\u51fd\u6570\u65f6\uff0c\u6570\u7ec4\u4f1a\u88ab\u590d\u5236\u3002\u5982\u679c\u4fee\u6539\u6570\u7ec4\u7684\u5143\u7d20\uff0c\u4e0d\u4f1a\u5f71\u54cd\u539f\u6570\u7ec4\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1. \u6570\u7ec4\u7684\u5b9a\u4e49\u4e0e\u521d\u59cb\u5316<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1.1 \u5b9a\u4e49\u6570\u7ec4<\/strong><\/h3>\n\n\n\n<p>Go \u4e2d\u5b9a\u4e49\u6570\u7ec4\u7684\u57fa\u672c\u8bed\u6cd5\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>var arrayName &#91;size]DataType<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>size<\/strong>\uff1a\u6570\u7ec4\u7684\u5927\u5c0f\uff0c\u6307\u5b9a\u6570\u7ec4\u4e2d\u53ef\u4ee5\u5b58\u50a8\u7684\u5143\u7d20\u6570\u91cf\u3002<\/li>\n\n\n\n<li><strong>DataType<\/strong>\uff1a\u6570\u7ec4\u5143\u7d20\u7684\u7c7b\u578b\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u793a\u4f8b\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>var arr &#91;5]int  \/\/ \u5b9a\u4e49\u4e00\u4e2a\u5305\u542b 5 \u4e2a\u6574\u6570\u7684\u6570\u7ec4<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1.2 \u521d\u59cb\u5316\u6570\u7ec4<\/strong><\/h3>\n\n\n\n<p>\u5728 Go \u4e2d\uff0c\u6570\u7ec4\u53ef\u4ee5\u5728\u5b9a\u4e49\u65f6\u8fdb\u884c\u521d\u59cb\u5316\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4e24\u79cd\u65b9\u5f0f\u8fdb\u884c\u521d\u59cb\u5316\uff1a<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>1.2.1 \u4f7f\u7528\u6570\u7ec4\u5b57\u9762\u91cf\u521d\u59cb\u5316<\/strong><\/h4>\n\n\n\n<p>\u901a\u8fc7\u6570\u7ec4\u5b57\u9762\u91cf\uff08\u76f4\u63a5\u8d4b\u503c\uff09\u521d\u59cb\u5316\u6570\u7ec4\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>arr := &#91;5]int{1, 2, 3, 4, 5}  \/\/ \u521d\u59cb\u5316\u6570\u7ec4\u5e76\u8d4b\u503c<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>1.2.2 \u4f7f\u7528 <code>...<\/code> \u81ea\u52a8\u63a8\u5bfc\u6570\u7ec4\u5927\u5c0f<\/strong><\/h4>\n\n\n\n<p>Go \u5141\u8bb8\u5728\u521d\u59cb\u5316\u6570\u7ec4\u65f6\u7701\u7565\u6570\u7ec4\u7684\u5927\u5c0f\uff0c\u7f16\u8bd1\u5668\u4f1a\u6839\u636e\u63d0\u4f9b\u7684\u5143\u7d20\u4e2a\u6570\u81ea\u52a8\u63a8\u5bfc\u6570\u7ec4\u5927\u5c0f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>arr := &#91;...]int{1, 2, 3, 4, 5}  \/\/ \u81ea\u52a8\u63a8\u5bfc\u6570\u7ec4\u5927\u5c0f\u4e3a 5<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>1.2.3 \u90e8\u5206\u521d\u59cb\u5316<\/strong><\/h4>\n\n\n\n<p>\u4f60\u4e5f\u53ef\u4ee5\u53ea\u521d\u59cb\u5316\u6570\u7ec4\u7684\u4e00\u90e8\u5206\uff0c\u672a\u521d\u59cb\u5316\u7684\u5143\u7d20\u4f1a\u81ea\u52a8\u88ab\u8d4b\u4e88\u96f6\u503c\uff08\u5bf9\u4e8e\u6570\u5b57\u7c7b\u578b\u4e3a 0\uff0c\u5bf9\u4e8e\u5e03\u5c14\u7c7b\u578b\u4e3a <code>false<\/code>\uff09\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>arr := &#91;5]int{1, 2}  \/\/ \u5176\u4ed6\u5143\u7d20\u4f1a\u88ab\u521d\u59cb\u5316\u4e3a 0\nfmt.Println(arr)  \/\/ \u8f93\u51fa\uff1a&#91;1 2 0 0 0]<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2. \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20<\/strong><\/h2>\n\n\n\n<p>Go \u6570\u7ec4\u7684\u5143\u7d20\u662f\u901a\u8fc7\u4e0b\u6807\uff08\u7d22\u5f15\uff09\u8bbf\u95ee\u7684\u3002\u6570\u7ec4\u7684\u4e0b\u6807\u4ece 0 \u5f00\u59cb\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2.1 \u8bbf\u95ee\u548c\u4fee\u6539\u6570\u7ec4\u5143\u7d20<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>arr := &#91;5]int{1, 2, 3, 4, 5}\n\nfmt.Println(arr&#91;0])  \/\/ \u8f93\u51fa\u7b2c\u4e00\u4e2a\u5143\u7d20\uff1a1\narr&#91;1] = 10          \/\/ \u4fee\u6539\u7b2c\u4e8c\u4e2a\u5143\u7d20\nfmt.Println(arr&#91;1])  \/\/ \u8f93\u51fa\u4fee\u6539\u540e\u7684\u7b2c\u4e8c\u4e2a\u5143\u7d20\uff1a10<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3. \u6570\u7ec4\u7684\u957f\u5ea6<\/strong><\/h2>\n\n\n\n<p>Go \u6570\u7ec4\u7684\u957f\u5ea6\u662f\u56fa\u5b9a\u7684\uff0c\u5e76\u4e14\u53ef\u4ee5\u901a\u8fc7\u5185\u7f6e\u7684 <code>len()<\/code> \u51fd\u6570\u83b7\u5f97\u6570\u7ec4\u7684\u957f\u5ea6\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>arr := &#91;5]int{1, 2, 3, 4, 5}\nfmt.Println(len(arr))  \/\/ \u8f93\u51fa\u6570\u7ec4\u7684\u957f\u5ea6\uff1a5<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>4. \u591a\u7ef4\u6570\u7ec4<\/strong><\/h2>\n\n\n\n<p>Go \u8bed\u8a00\u4e5f\u652f\u6301\u591a\u7ef4\u6570\u7ec4\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u4e2a\u7ef4\u5ea6\u6765\u5b9a\u4e49\u4e00\u4e2a\u6570\u7ec4\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4.1 \u4e8c\u7ef4\u6570\u7ec4<\/strong><\/h3>\n\n\n\n<p>\u4e8c\u7ef4\u6570\u7ec4\u53ef\u4ee5\u770b\u4f5c\u662f\u6570\u7ec4\u7684\u6570\u7ec4\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>var arr &#91;2]&#91;3]int  \/\/ \u5b9a\u4e49\u4e00\u4e2a 2x3 \u7684\u4e8c\u7ef4\u6570\u7ec4\narr&#91;0]&#91;0] = 1\narr&#91;0]&#91;1] = 2\narr&#91;0]&#91;2] = 3\narr&#91;1]&#91;0] = 4\narr&#91;1]&#91;1] = 5\narr&#91;1]&#91;2] = 6\nfmt.Println(arr)  \/\/ \u8f93\u51fa\uff1a&#91;&#91;1 2 3] &#91;4 5 6]]<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4.2 \u52a8\u6001\u5927\u5c0f\u7684\u4e8c\u7ef4\u6570\u7ec4<\/strong><\/h3>\n\n\n\n<p>Go \u4e2d\u7684\u4e8c\u7ef4\u6570\u7ec4\u5927\u5c0f\u662f\u56fa\u5b9a\u7684\u3002\u5982\u679c\u9700\u8981\u52a8\u6001\u5927\u5c0f\u7684\u4e8c\u7ef4\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u5207\u7247\uff08slice\uff09\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u4f7f\u7528\u5207\u7247\u521d\u59cb\u5316\u4e8c\u7ef4\u6570\u7ec4\narr := &#91;]&#91;]int{\n    {1, 2, 3},\n    {4, 5, 6},\n}\nfmt.Println(arr)  \/\/ \u8f93\u51fa\uff1a&#91;&#91;1 2 3] &#91;4 5 6]]<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>5. \u6570\u7ec4\u662f\u503c\u7c7b\u578b<\/strong><\/h2>\n\n\n\n<p>\u5728 Go \u4e2d\uff0c\u6570\u7ec4\u662f\u503c\u7c7b\u578b\u3002\u4f20\u9012\u6570\u7ec4\u65f6\uff0c\u5b9e\u9645\u662f\u4f20\u9012\u4e86\u6570\u7ec4\u7684\u526f\u672c\u3002\u5982\u679c\u4fee\u6539\u4f20\u5165\u7684\u6570\u7ec4\u526f\u672c\uff0c\u539f\u6570\u7ec4\u4e0d\u53d7\u5f71\u54cd\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u793a\u4f8b\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>package main\n\nimport \"fmt\"\n\nfunc modifyArray(arr &#91;5]int) {\n    arr&#91;0] = 100  \/\/ \u4fee\u6539\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\n}\n\nfunc main() {\n    arr := &#91;5]int{1, 2, 3, 4, 5}\n    modifyArray(arr)\n    fmt.Println(arr)  \/\/ \u8f93\u51fa\uff1a&#91;1 2 3 4 5]\uff0c\u539f\u6570\u7ec4\u6ca1\u6709\u6539\u53d8\n}<\/code><\/pre>\n\n\n\n<p><strong>\u8f93\u51fa\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;1 2 3 4 5]<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>6. \u6570\u7ec4\u4e0e\u5207\u7247\u7684\u533a\u522b<\/strong><\/h2>\n\n\n\n<p>Go \u4e2d\u7684\u5207\u7247\uff08slice\uff09\u4e0e\u6570\u7ec4\u975e\u5e38\u76f8\u4f3c\uff0c\u4f46\u5b83\u662f\u4e00\u4e2a\u52a8\u6001\u5927\u5c0f\u7684\u6570\u636e\u7ed3\u6784\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u8981\u589e\u957f\u6216\u7f29\u5c0f\u3002\u800c\u6570\u7ec4\u7684\u5927\u5c0f\u5728\u58f0\u660e\u65f6\u5c31\u56fa\u5b9a\u4e86\uff0c\u4e0d\u53ef\u66f4\u6539\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6570\u7ec4<\/strong>\uff1a\u56fa\u5b9a\u5927\u5c0f\uff0c\u5b58\u50a8\u5143\u7d20\u662f\u503c\u7c7b\u578b\uff0c\u4f20\u9012\u65f6\u4f1a\u590d\u5236\u6570\u7ec4\u3002<\/li>\n\n\n\n<li><strong>\u5207\u7247<\/strong>\uff1a\u52a8\u6001\u5927\u5c0f\uff0c\u7075\u6d3b\u53ef\u53d8\uff0c\u4f20\u9012\u65f6\u662f\u5f15\u7528\u7c7b\u578b\uff0c\u4fee\u6539\u5207\u7247\u5185\u5bb9\u4f1a\u5f71\u54cd\u539f\u5207\u7247\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>6.1 \u5207\u7247\u793a\u4f8b<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>arr := &#91;5]int{1, 2, 3, 4, 5}\nslice := arr&#91;1:4]  \/\/ \u521b\u5efa\u4e00\u4e2a\u5207\u7247\uff0c\u5305\u542b arr&#91;1], arr&#91;2], arr&#91;3]\n\nfmt.Println(slice)  \/\/ \u8f93\u51fa\uff1a&#91;2 3 4]<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>7. \u6570\u7ec4\u4e0e\u5207\u7247\u7684\u6bd4\u8f83<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7279\u6027<\/th><th>\u6570\u7ec4<\/th><th>\u5207\u7247<\/th><\/tr><\/thead><tbody><tr><td><strong>\u5927\u5c0f<\/strong><\/td><td>\u56fa\u5b9a\u5927\u5c0f<\/td><td>\u52a8\u6001\u5927\u5c0f\uff0c\u53ef\u4ee5\u589e\u957f\u6216\u7f29\u5c0f<\/td><\/tr><tr><td><strong>\u4f20\u9012\u65b9\u5f0f<\/strong><\/td><td>\u503c\u7c7b\u578b\uff0c\u4f20\u9012\u65f6\u4f1a\u590d\u5236\u6574\u4e2a\u6570\u7ec4<\/td><td>\u5f15\u7528\u7c7b\u578b\uff0c\u4f20\u9012\u7684\u662f\u5f15\u7528<\/td><\/tr><tr><td><strong>\u4f7f\u7528\u573a\u666f<\/strong><\/td><td>\u5f53\u4f60\u77e5\u9053\u5143\u7d20\u7684\u6570\u91cf\u5e76\u4e14\u4e0d\u4f1a\u66f4\u6539\u65f6<\/td><td>\u5f53\u5143\u7d20\u6570\u91cf\u52a8\u6001\u53d8\u5316\u65f6<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>8. \u6570\u7ec4\u603b\u7ed3<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6570\u7ec4\u662f\u540c\u7c7b\u578b\u5143\u7d20\u7684\u96c6\u5408\uff0c\u5927\u5c0f\u662f\u56fa\u5b9a\u7684\u3002<\/li>\n\n\n\n<li>\u6570\u7ec4\u662f\u503c\u7c7b\u578b\uff0c\u4f20\u9012\u65f6\u4f1a\u590d\u5236\u6574\u4e2a\u6570\u7ec4\u3002<\/li>\n\n\n\n<li>Go \u652f\u6301\u591a\u7ef4\u6570\u7ec4\uff0c\u6570\u7ec4\u7684\u5927\u5c0f\u662f\u56fa\u5b9a\u7684\uff0c\u4e0d\u80fd\u66f4\u6539\u3002<\/li>\n\n\n\n<li>\u6570\u7ec4\u7684\u957f\u5ea6\u53ef\u4ee5\u901a\u8fc7\u5185\u7f6e\u7684 <code>len()<\/code> \u51fd\u6570\u83b7\u5f97\u3002<\/li>\n\n\n\n<li>\u5bf9\u4e8e\u9700\u8981\u52a8\u6001\u8c03\u6574\u5927\u5c0f\u7684\u6570\u636e\u7ed3\u6784\uff0c\u901a\u5e38\u4f7f\u7528\u5207\u7247\u800c\u975e\u6570\u7ec4\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\ud83d\udd39 \u53c2\u8003\u8d44\u6599<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/golang.org\/doc\/effective_go.html#arrays\">Go \u5b98\u65b9\u6587\u6863 &#8211; Arrays<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/github.com\/golang\/go\/wiki\/Arrays\">Go Wiki &#8211; Arrays<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 Go \u8bed\u8a00\u4e2d\uff0c\u6570\u7ec4\u662f\u4e00\u7ec4\u56fa\u5b9a\u5927\u5c0f\u7684\u540c\u7c7b\u578b\u5143\u7d20\u7684\u96c6\u5408\u3002\u4e0e\u5176\u4ed6\u7f16\u7a0b\u8bed\u8a00\u4e0d\u540c\uff0cGo \u7684\u6570\u7ec4\u662f\u503c\u7c7b\u578b\uff0c\u8fd9\u610f\u5473\u7740\u5728\u5c06 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3183,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[58],"tags":[],"class_list":["post-3182","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-golang"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3182","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=3182"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3182\/revisions"}],"predecessor-version":[{"id":3184,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3182\/revisions\/3184"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media\/3183"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=3182"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=3182"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=3182"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}