{"id":57832,"date":"2024-10-10T21:31:38","date_gmt":"2024-10-10T13:31:38","guid":{"rendered":"https:\/\/server.hk\/cnblog\/57832\/"},"modified":"2024-10-10T21:31:38","modified_gmt":"2024-10-10T13:31:38","slug":"go%e6%95%99%e7%a8%8b-go-%e8%aa%9e%e8%a8%80-map-%e5%85%83%e7%b4%a0%e7%9a%84%e5%88%aa%e9%99%a4%e5%92%8c%e6%b8%85%e7%a9%ba","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/57832\/","title":{"rendered":"GO\u6559\u7a0b: Go \u8a9e\u8a00 map \u5143\u7d20\u7684\u522a\u9664\u548c\u6e05\u7a7a"},"content":{"rendered":"<h1 id=\"go%e6%95%99%e7%a8%8b-go-%e8%aa%9e%e8%a8%80-map-%e5%85%83%e7%b4%a0%e7%9a%84%e5%88%aa%e9%99%a4%e5%92%8c%e6%b8%85%e7%a9%ba-RHeMpTSgfL\">GO\u6559\u7a0b: Go \u8a9e\u8a00 map \u5143\u7d20\u7684\u522a\u9664\u548c\u6e05\u7a7a<\/h1>\n<p>\u5728 Go \u8a9e\u8a00\u4e2d\uff0cmap \u662f\u4e00\u7a2e\u975e\u5e38\u91cd\u8981\u7684\u6578\u64da\u7d50\u69cb\uff0c\u5141\u8a31\u6211\u5011\u4ee5\u9375\u503c\u5c0d\u7684\u5f62\u5f0f\u5b58\u5132\u6578\u64da\u3002\u9019\u4f7f\u5f97\u67e5\u627e\u3001\u63d2\u5165\u548c\u522a\u9664\u64cd\u4f5c\u8b8a\u5f97\u975e\u5e38\u9ad8\u6548\u3002\u5728\u672c\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u522a\u9664\u548c\u6e05\u7a7a Go \u8a9e\u8a00\u4e2d\u7684 map \u5143\u7d20\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u4ee3\u78bc\u4f86\u5e6b\u52a9\u7406\u89e3\u3002<\/p>\n<h2 id=\"go-%e8%aa%9e%e8%a8%80%e4%b8%ad%e7%9a%84-map-%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-RHeMpTSgfL\">Go \u8a9e\u8a00\u4e2d\u7684 map \u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5728 Go \u8a9e\u8a00\u4e2d\uff0cmap \u662f\u4e00\u7a2e\u7121\u5e8f\u7684\u9375\u503c\u5c0d\u96c6\u5408\u3002\u6bcf\u500b\u9375\u90fd\u662f\u552f\u4e00\u7684\uff0c\u4e26\u4e14\u53ef\u4ee5\u901a\u904e\u9375\u4f86\u5feb\u901f\u8a2a\u554f\u5c0d\u61c9\u7684\u503c\u3002map \u7684\u8072\u660e\u548c\u521d\u59cb\u5316\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u65b9\u5f0f\u9032\u884c\uff1a<\/p>\n<pre><code>myMap := make(map[string]int)<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u9375\u70ba\u5b57\u7b26\u4e32\u985e\u578b\uff0c\u503c\u70ba\u6574\u6578\u985e\u578b\u7684 map\u3002<\/p>\n<h2 id=\"%e5%88%aa%e9%99%a4-map-%e4%b8%ad%e7%9a%84%e5%85%83%e7%b4%a0-RHeMpTSgfL\">\u522a\u9664 map \u4e2d\u7684\u5143\u7d20<\/h2>\n<p>\u8981\u5f9e map \u4e2d\u522a\u9664\u4e00\u500b\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u5167\u5efa\u7684 <code>delete<\/code> \u51fd\u6578\u3002\u9019\u500b\u51fd\u6578\u63a5\u53d7\u5169\u500b\u53c3\u6578\uff1amap \u548c\u8981\u522a\u9664\u7684\u9375\u3002\u4ee5\u4e0b\u662f\u522a\u9664\u5143\u7d20\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>myMap := map[string]int{\"apple\": 1, \"banana\": 2, \"orange\": 3}\ndelete(myMap, \"banana\")\nfmt.Println(myMap) \/\/ \u8f38\u51fa: map[apple:1 orange:3]<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u5305\u542b\u4e09\u500b\u5143\u7d20\u7684 map\uff0c\u7136\u5f8c\u4f7f\u7528 <code>delete<\/code> \u51fd\u6578\u522a\u9664\u4e86\u9375\u70ba &#8220;banana&#8221; \u7684\u5143\u7d20\u3002\u522a\u9664\u5f8c\uff0cmap \u4e2d\u53ea\u5269\u4e0b &#8220;apple&#8221; \u548c &#8220;orange&#8221;\u3002<\/p>\n<h2 id=\"%e6%b8%85%e7%a9%ba-map-%e4%b8%ad%e7%9a%84%e6%89%80%e6%9c%89%e5%85%83%e7%b4%a0-RHeMpTSgfL\">\u6e05\u7a7a map \u4e2d\u7684\u6240\u6709\u5143\u7d20<\/h2>\n<p>\u5982\u679c\u9700\u8981\u6e05\u7a7a\u6574\u500b map\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e00\u500b\u7c21\u55ae\u7684\u6280\u5de7\uff1a\u5c07 map \u91cd\u65b0\u521d\u59cb\u5316\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u5730\u6e05\u7a7a\u6240\u6709\u5143\u7d20\u3002\u4ee5\u4e0b\u662f\u6e05\u7a7a map \u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>myMap := map[string]int{\"apple\": 1, \"banana\": 2, \"orange\": 3}\nmyMap = make(map[string]int) \/\/ \u91cd\u65b0\u521d\u59cb\u5316\nfmt.Println(myMap) \/\/ \u8f38\u51fa: map[]<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5c07\u539f\u6709\u7684 map \u91cd\u65b0\u521d\u59cb\u5316\u70ba\u4e00\u500b\u65b0\u7684\u7a7a map\uff0c\u5f9e\u800c\u9054\u5230\u6e05\u7a7a\u7684\u6548\u679c\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-RHeMpTSgfL\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u5728\u522a\u9664\u5143\u7d20\u6642\uff0c\u5982\u679c\u6307\u5b9a\u7684\u9375\u4e0d\u5b58\u5728\uff0c<code>delete<\/code> \u51fd\u6578\u4e0d\u6703\u5831\u932f\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u8655\u7406\u4e0d\u78ba\u5b9a\u7684\u9375\u6642\u975e\u5e38\u5b89\u5168\u3002<\/li>\n<li>\u6e05\u7a7a map \u7684\u65b9\u6cd5\u662f\u91cd\u65b0\u521d\u59cb\u5316\uff0c\u9019\u6703\u91cb\u653e\u539f\u6709\u7684\u5167\u5b58\uff0c\u4f46\u5982\u679c\u6709\u5176\u4ed6\u5f15\u7528\u6307\u5411\u539f map\uff0c\u9019\u4e9b\u5f15\u7528\u5c07\u4e0d\u6703\u53d7\u5230\u5f71\u97ff\u3002<\/li>\n<li>\u5728\u4f7f\u7528 map \u6642\uff0c\u8acb\u6ce8\u610f\u4e26\u767c\u8a2a\u554f\u7684\u554f\u984c\uff0cGo \u8a9e\u8a00\u7684 map \u4e0d\u662f\u4e26\u767c\u5b89\u5168\u7684\uff0c\u5c0d\u65bc\u591a\u500b goroutine \u7684\u8a2a\u554f\u9700\u8981\u4f7f\u7528\u9396\u4f86\u4fdd\u8b77\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-RHeMpTSgfL\">\u7e3d\u7d50<\/h2>\n<p>\u5728 Go \u8a9e\u8a00\u4e2d\uff0cmap \u662f\u4e00\u500b\u5f37\u5927\u7684\u6578\u64da\u7d50\u69cb\uff0c\u80fd\u5920\u9ad8\u6548\u5730\u5b58\u5132\u548c\u7ba1\u7406\u9375\u503c\u5c0d\u3002\u901a\u904e\u4f7f\u7528 <code>delete<\/code> \u51fd\u6578\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u522a\u9664\u7279\u5b9a\u7684\u5143\u7d20\uff0c\u800c\u91cd\u65b0\u521d\u59cb\u5316 map \u5247\u53ef\u4ee5\u6709\u6548\u5730\u6e05\u7a7a\u6240\u6709\u5143\u7d20\u3002\u9019\u4e9b\u64cd\u4f5c\u5728\u5be6\u969b\u958b\u767c\u4e2d\u975e\u5e38\u5e38\u898b\uff0c\u638c\u63e1\u5b83\u5011\u5c07\u6709\u52a9\u65bc\u63d0\u9ad8\u7de8\u7a0b\u6548\u7387\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u6709\u8208\u8da3\uff0c\u6216\u60f3\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8a73\u7d30\u8cc7\u6599\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728 Go \u8a9e\u8a00\u4e2d\u522a\u9664\u548c\u6e05\u7a7a map \u5143\u7d20\uff0c\u638c\u63e1\u6709\u6548\u7ba1\u7406\u8cc7\u6599\u7d50\u69cb\u7684\u6280\u5de7\uff0c\u63d0\u5347\u7a0b\u5f0f\u8a2d\u8a08\u80fd\u529b\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-57832","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/57832","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=57832"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/57832\/revisions"}],"predecessor-version":[{"id":57833,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/57832\/revisions\/57833"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=57832"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=57832"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=57832"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}