{"id":1912,"date":"2021-08-03T11:15:31","date_gmt":"2021-08-03T03:15:31","guid":{"rendered":"https:\/\/egonlin.com\/?p=1912"},"modified":"2022-02-07T16:46:15","modified_gmt":"2022-02-07T08:46:15","slug":"%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=1912","title":{"rendered":"\u6570\u7ec4"},"content":{"rendered":"<p>[TOC]<\/p>\n<h1>\u6570\u7ec4Array<\/h1>\n<h2>\u4e00 \u6570\u7ec4\u4ecb\u7ecd<\/h2>\n<p>\u6570\u7ec4\u662f\u4e00\u7ec4\u540c\u4e00\u7c7b\u578b\u6570\u636e\u7684\u96c6\u5408\uff0c\u4e5f\u5c31\u662f\u8bf4\u6570\u7ec4\u5185\u7684\u6570\u636e\/\u5143\u7d20\u7684\u7c7b\u578b\u5fc5\u987b\u76f8\u540c\u3002\u6b64\u5916\uff0c\u6570\u7ec4\u8fd8\u6709\u4e00\u4e9b\u5176\u4ed6\u7279\u70b9\uff0c\u5982\u4e0b\u6240\u793a<\/p>\n<pre><code class=\"language-go\">1\u3001\u4e00\u4e2a\u6570\u7ec4\u5305\u542b\u7684\u5143\u7d20\u4e2a\u6570\u88ab\u79f0\u4e3a\u6570\u7ec4\u7684\u957f\u5ea6\uff08\u53ef\u4ee5\u7528\u5185\u7f6e\u51fd\u6570len(\u6570\u7ec4)\u6765\u7edf\u8ba1\u6570\u7ec4\u957f\u5ea6\uff09\uff0c\u6570\u7ec4\u7684\u957f\u5ea6\u4e0d\u53ef\u6539\u53d8\uff0c\u800c\u6570\u7ec4\u5185\u7684\u5143\u7d20\u662f\u53ef\u4ee5\u6539\u53d8\u7684\n2\u3001\u6570\u7ec4\u662f\u91c7\u7528\u7d22\u5f15\u5bf9\u5e94\u5143\u7d20\uff0c\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\/\u4fee\u6539\u6570\u7ec4\u5185\u7684\u5143\u7d20\uff0c\u7d22\u5f15\u4ece0\u5f00\u59cb\uff0c\u5230len(\u6570\u7ec4)-1\u7ed3\u675f,\u4e0d\u652f\u6301\u8d1f\u5411\u7d22\u5f15\n3\u3001\u6570\u7ec4\u662f\u503c\u7c7b\u578b\uff0c\u4f20\u9012\u6570\u7ec4\u7684\u5f00\u9500\u6bd4\u8f83\u5927<\/code><\/pre>\n<p>\u6570\u7ec4\u7684\u7279\u70b9\u51b3\u5b9a\u4e86\u5176\u4f7f\u7528\u7684\u5c40\u9650\u6027\uff0c\u56e0\u6b64\u5728Go\u8bed\u8a00\u4e2d\u5f88\u5c11\u76f4\u63a5\u4f7f\u7528\u6570\u7ec4\u3002\u548c\u6570\u7ec4\u5bf9\u5e94\u7684\u7c7b\u578b\u662fSlice\uff08\u5207\u7247\uff09\uff0c\u5b83\u662f\u53ef\u4ee5\u589e\u957f\u548c\u6536\u7f29\u52a8\u6001\u5e8f\u5217\uff0cslice\u7684\u4f7f\u7528\u66f4\u4e3a\u7075\u6d3b\uff0c\u5e76\u4e14\u5207\u7247\u662f\u5f15\u7528\u7c7b\u578b\u3002\u4f20\u9012\u5f00\u9500\u5c0f\uff0c\u56e0\u6b64\u5207\u7247\u8981\u6bd4\u6570\u7ec4\u66f4\u4e3a\u5e38\u7528\u4e00\u4e9b\uff0c\u4f46\u662f\u8981\u7406\u89e3slice\u5de5\u4f5c\u539f\u7406\u7684\u8bdd\u9700\u8981\u5148\u7406\u89e3\u6570\u7ec4\u3002<\/p>\n<h2>\u4e8c \u6570\u7ec4\u5b9a\u4e49<\/h2>\n<pre><code class=\"language-go\">var \u6570\u7ec4\u53d8\u91cf\u540d [\u5143\u7d20\u6570\u91cf]T\n\n\/\/ \u4f8b\u5982\u5b9a\u4e49\u4e00\u4e2a\u957f\u5ea6\u4e3a3\u5143\u7d20\u7c7b\u578b\u4e3aint\u7684\u6570\u7ec4a\nvar a [3]int<\/code><\/pre>\n<p>\u6ce8\u610f\uff1a\u56e0\u4e3a\u6570\u7ec4\u7684\u957f\u5ea6\u9700\u8981\u5728\u7f16\u8bd1\u9636\u6bb5\u786e\u5b9a\uff0c\u6240\u4ee5\u5728\u58f0\u660e\u65f6\u6570\u7ec4\u65f6\uff0c\u6570\u7ec4\u7684\u957f\u5ea6\u5fc5\u987b\u662f\u5e38\u91cf\u6216\u8005\u4e00\u4e2a\u5e38\u91cf\u8868\u8fbe\u5f0f\uff08\u5e38\u91cf\u8868\u8fbe\u5f0f\u662f\u6307\u5728\u7f16\u8bd1\u671f\u5373\u53ef\u8ba1\u7b97\u7ed3\u679c\u7684\u8868\u8fbe\u5f0f\uff09\uff0c\u5e76\u4e14\u957f\u5ea6\u662f\u6570\u7ec4\u7c7b\u578b\u7684\u4e00\u90e8\u5206\u3002\u4e00\u65e6\u5b9a\u4e49\uff0c\u957f\u5ea6\u4e0d\u80fd\u53d8\u3002 <code>[3]int<\/code>\u548c<code>[5]int<\/code>\u662f\u4e0d\u540c\u7684\u7c7b\u578b\u3002<\/p>\n<pre><code class=\"language-go\">var a [3]int\nvar b [5]int\na = b \/\/ \u9519\u8bef\uff0c\u56e0\u4e3a\u6b64\u65f6a\u548cb\u662f\u4e0d\u540c\u7684\u7c7b\u578b,<\/code><\/pre>\n<h2>\u4e09 \u6570\u7ec4\u7684\u521d\u59cb\u5316<\/h2>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6570\u7ec4\u7684\u6bcf\u4e2a\u5143\u7d20\u90fd\u88ab\u521d\u59cb\u5316\u4e3a\u5143\u7d20\u7c7b\u578b\u5bf9\u5e94\u7684\u96f6\u503c\uff0c\u5bf9\u4e8e\u6570\u5b57\u7c7b\u578b\u6765\u8bf4\u5c31\u662f0\u3002<\/p>\n<pre><code class=\"language-go\">var a [3]int\nfmt.Println(a) \/\/ [0 0 0]<\/code><\/pre>\n<p>\u6211\u4eec\u53ef\u4ee5\u7528\u4e09\u79cd\u65b9\u5f0f\u6765\u4e3a\u6570\u7ec4\u521d\u59cb\u5316\u503c<\/p>\n<h3>1\u3001\u4f7f\u7528\u6570\u7ec4\u5b57\u9762\u503c\u8bed\u6cd5\u7528\u4e00\u7ec4\u503c\u6765\u521d\u59cb\u5316\u6570\u7ec4<\/h3>\n<pre><code class=\"language-go\">\/\/ \u4f7f\u7528\u6307\u5b9a\u7684\u521d\u59cb\u503c\u5b8c\u6210\u521d\u59cb\u5316\uff0c\u957f\u5ea6\u4e3a3\uff0c\u521d\u59cb\u5316\u4e86\u524d\u4e24\u4e2a\u503c\uff0c\u7b2c\u4e09\u4e2a\u503c\u7528\u96f6\u503c\u586b\u5145\nvar numArray [3]int = [3]int{111, 222}\n\/\/ \u4f7f\u7528\u6307\u5b9a\u7684\u521d\u59cb\u503c\u5b8c\u6210\u521d\u59cb\u5316,\u5f53\u7136\u53ef\u4ee5\u7528\u7c7b\u578b\u63a8\u5bfc\uff0c\u4e0a\u4e00\u884c\u4ee3\u7801\u4e5f\u4e00\u6837\nvar cityArray = [3]string{&quot;\u5317\u4eac&quot;, &quot;\u4e0a\u6d77&quot;, &quot;\u6df1\u5733&quot;}  \nfmt.Println(numArray)  \/\/ [111 2222 0]\nfmt.Println(cityArray) \/\/ [\u5317\u4eac \u4e0a\u6d77 \u6df1\u5733]<\/code><\/pre>\n<h3>2\u3001\u5728\u6570\u7ec4\u5b57\u9762\u503c\u4e2d\uff0c\u7528\u201c&#8230;\u201d\u7701\u7565\u53f7\u4ee3\u66ff\u957f\u5ea6\uff0c\u6570\u7ec4\u7684\u957f\u5ea6\u4f1a\u6839\u636e\u521d\u59cb\u5316\u503c\u7684\u4e2a\u6570\u63a8\u5bfc\u51fa\u6765<\/h3>\n<pre><code class=\"language-go\">var cityArray = [...]string{&quot;\u5317\u4eac&quot;, &quot;\u4e0a\u6d77&quot;}\nfmt.Println(cityArray) \/\/ [\u5317\u4eac \u4e0a\u6d77]\nfmt.Printf(&quot;%T&quot;,cityArray) \/\/ [2]string<\/code><\/pre>\n<h3>3\u3001\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528\u6307\u5b9a\u7d22\u5f15\u503c\u7684\u65b9\u5f0f\u6765\u521d\u59cb\u5316\u6570\u7ec4<\/h3>\n<pre><code class=\"language-go\">\/\/ \u7d22\u5f15\u5206\u914d\u5230\u4e865\uff0c\u6240\u4ee5\u603b\u5171\u67096\u4e2a\u5143\u7d20\uff0c\u521d\u59cb\u5316\u4e86\u4e24\u4e2a\u5143\u7d20\uff0c\u5176\u4f59\u5143\u7d20\u7528\u96f6\u503c\u521d\u59cb\u5316\nnums := [...]int{1: 111, 5: 222}  \/\/ var z =[...]int{1:11111111}\nfmt.Println(nums) \/\/ [0 111 0 0 0 222]\nfmt.Printf(&quot;%T\\n&quot;, nums) \/\/ [6]int<\/code><\/pre>\n<h2>\u56db \u57fa\u4e8e\u7d22\u5f15\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20<\/h2>\n<p>\u6570\u7ec4\u53ef\u4ee5\u901a\u8fc7\u4e0b\u6807\u8fdb\u884c\u8bbf\u95ee\uff0c\u4e0b\u6807\u662f\u4ece<code>0<\/code>\u5f00\u59cb\uff0c\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u4e0b\u6807\u662f\uff1a<code>len(\u6570\u7ec4)-1<\/code>\uff0c\u4e0d\u652f\u6301\u8d1f\u5411\u7d22\u5f15\uff0c\u8bbf\u95ee\u8d8a\u754c\uff08\u4e0b\u6807\u5728\u5408\u6cd5\u8303\u56f4\u4e4b\u5916\uff09\uff0c\u5219\u89e6\u53d1\u8bbf\u95ee\u8d8a\u754c\uff0c\u4f1apanic\u3002<\/p>\n<pre><code class=\"language-go\">var cityArray = [3]string{&quot;\u5317\u4eac&quot;, &quot;\u4e0a\u6d77&quot;, &quot;\u6df1\u5733&quot;}\nfmt.Println(cityArray[0])        \/\/ \u5317\u4eac\n\n\/\/ \u4e0d\u652f\u6301\u8d1f\u5411\u7d22\u5f15\uff0c\u5982\u679c\u6211\u4eec\u60f3\u53d6\u672b\u5c3e\u7684\u503c\uff0c\u53ef\u4ee5\u7528len(cityArray)-1\u8fd9\u79cd\u65b9\u5f0f\u8ba1\u7b97\u5f97\u5230\uff0c\u4e5f\u5f88\u65b9\u4fbf\nfmt.Println(cityArray[len(cityArray)-1]) \/\/ \u6df1\u5733\nfmt.Println(cityArray[-1]) \/\/ \u9519\u8bef\uff0c\u7d22\u5f15\u5fc5\u987b\u662f\u975e\u8d1f\u7684<\/code><\/pre>\n<h2>\u4e94 \u904d\u5386\u6570\u7ec4\u5143\u7d20<\/h2>\n<pre><code class=\"language-go\">cityArray := [...]string{&quot;\u5317\u4eac&quot;, &quot;\u4e0a\u6d77&quot;, &quot;\u6df1\u5733&quot;}\n\n\/\/ \u904d\u5386\u6570\u7ec4\u5143\u7d20\u7684\u65b9\u6cd51\uff1a\u57fa\u4e8e\u7d22\u5f15\nfor i := 0; i &lt; len(cityArray); i++ {\n    fmt.Println(cityArray[i])\n}\n\n\/\/ \u904d\u5386\u6570\u7ec4\u5143\u7d20\u7684\u65b9\u6cd52\uff1a\u57fa\u4e8erange\nfor index, value := range cityArray {\n    fmt.Println(index, value)\n}<\/code><\/pre>\n<h2>\u516d \u591a\u7ef4\u6570\u7ec4<\/h2>\n<p>Go\u8bed\u8a00\u662f\u652f\u6301\u591a\u7ef4\u6570\u7ec4\u7684\uff0c\u6211\u4eec\u8fd9\u91cc\u4ee5\u4e8c\u7ef4\u6570\u7ec4\u4e3a\u4f8b\uff08\u6570\u7ec4\u4e2d\u53c8\u5d4c\u5957\u6570\u7ec4\uff09\u3002<\/p><div id=\"rml_readmorelogin_placeholder\" style=\"position:relative;\"><div id=\"rml_fade_content\" style=\"position: absolute;\r\ntop:-10em;\r\nwidth:100%;\r\nheight:10em;\r\nbackground: -webkit-linear-gradient(rgba(255, 255, 255, 0) 0%,#ffffff 100%);\r\nbackground-image: -moz-linear-gradient(rgba(255, 255, 255, 0) 0%,#ffffff 100%);\r\nbackground-image: -o-linear-gradient(rgba(255, 255, 255, 0) 0%,#ffffff 100%);\r\nbackground-image: linear-gradient(rgba(255, 255, 255, 0) 0%,#ffffff 100%);\r\nbackground-image: -ms-linear-gradient(rgba(255, 255, 255, 0) 0%,#ffffff 100%);\"><\/div><div class=\"wpf-controller aru_rml_from_in_post\" style=\"background-color:#eeeeee;border:5px solid #cce6ff;\" id=\"ARU_ReadMoreLogin_ReadMoreLoginController\"><h2 id=\"Header\">\u67e5\u770b\u66f4\u591a<\/h2><div id=\"Message\"><p>\u8054\u7cfb\u7ba1\u7406\u5458\u5fae\u4fe1tutu19192010\uff0c\u6ce8\u518c\u8d26\u53f7<\/p>\n<\/div><div id=\"StatusBarHeader\"><\/div><form id=\"ARU_ReadMoreLogin_ReadMoreLoginController\"><input name=\"post_id\" value=\"1912\" type=\"hidden\"\/><input name=\"_init_callback\" value=\"InitLogin\" type=\"hidden\"\/><input name=\"post_id\" value=\"1912\" type=\"hidden\"\/><input name=\"rt_ype\" value=\"1\" type=\"hidden\"\/><input name=\"nonce\" value=\"1fbcc04968\" type=\"hidden\"\/><input name=\"_wpnonce\" value=\"f48666364f\" type=\"hidden\"\/><input name=\"_controller\" value=\"ARU_ReadMoreLogin\\ReadMoreLoginController\" type=\"hidden\"\/><input name=\"_proxy_controller\" value=\"ARU_ReadMoreLogin\\ReadMoreLoginController\" type=\"hidden\"\/><input name=\"_view\" value=\"ARU_ReadMoreLogin\\ReadMoreLoginView\" type=\"hidden\"\/><table class=\"wpf-table-placeholder\"><tbody class=\"wpf-table-placeholder\"><tr class=\"wpf-table-placeholder\"><td class=\"wpf-table-placeholder-input\" width=\"400px\"><table class=\"wpf-table-placeholder\"><tbody class=\"wpf-table-placeholder\"><tr class=\"wpf-table-placeholder\"><th class=\"wpf-table-placeholder-input\"><label class=\"wpf-label\">Username:<\/label><\/th><\/tr><tr class=\"wpf-table-placeholder\"><td class=\"wpf-table-placeholder-input\"><input class=\"regular-text text_input\" name=\"username\" value=\"\" type=\"text\"\/><\/td><\/tr><tr class=\"wpf-table-placeholder\"><th class=\"wpf-table-placeholder-input\"><label class=\"wpf-label\">Password:<\/label><\/th><\/tr><tr class=\"wpf-table-placeholder\"><td class=\"wpf-table-placeholder-input\"><input class=\"regular-text text_input\" name=\"password\" value=\"\" type=\"password\"\/><\/td><\/tr><\/tbody><\/table><p class=\"wpf-table-placeholder submit\"><button class=\"wp_plugin_framework_ajax_button\" type=\"button\" style=\"background-color:#4D90FE;;color:#ffffff;;border:1px solid #3079ed;\" name=\"_event\" value=\"ButtonLogin\">Log in<\/button><\/p><\/td><td class=\"wpf-table-placeholder-input\"><\/td><\/tr><\/tbody><\/table><\/form><div id=\"ButtonStartRegister\"><a href=\"https:\/\/egonlin.com\/wp-login.php?action=register\">Register<\/a><\/div><div id=\"Link1\"><a href=\"https:\/\/egonlin.com\/wp-login.php?action=lostpassword\">Forgotten username or password?<\/a><\/div><div id=\"StatusBarFooter\"><\/div><\/div><\/div><div id=aru_remaining_content><\/div>","protected":false},"excerpt":{"rendered":"<p>[TOC] \u6570\u7ec4Array \u4e00 \u6570\u7ec4\u4ecb\u7ecd \u6570\u7ec4\u662f\u4e00\u7ec4\u540c\u4e00\u7c7b\u578b\u6570\u636e\u7684\u96c6\u5408\uff0c\u4e5f\u5c31\u662f\u8bf4\u6570\u7ec4\u5185\u7684\u6570\u636e\/\u5143\u7d20\u7684\u7c7b\u578b\u5fc5\u987b\u76f8 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":2601,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[260,261,263,262],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/1912"}],"collection":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1912"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/1912\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/media\/2601"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1912"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1912"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1912"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}