{"id":206701,"date":"2025-06-12T12:06:43","date_gmt":"2025-06-12T04:06:43","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206701\/"},"modified":"2025-06-12T12:06:43","modified_gmt":"2025-06-12T04:06:43","slug":"go-%e4%b8%ad%e5%a6%82%e4%bd%95%e5%b0%86%e6%95%b4%e5%bd%a2%e6%ad%a3%e7%a1%ae%e8%bd%ac%e6%8d%a2%e4%b8%ba%e5%ad%97%e7%ac%a6%e4%b8%b2%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206701\/","title":{"rendered":"Go \u4e2d\u5982\u4f55\u5c06\u6574\u5f62\u6b63\u786e\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff1f"},"content":{"rendered":"<p>\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u6211\u4eec\u8981\u52aa\u529b\u5b66\u4e60\u5566\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGo \u4e2d\u5982\u4f55\u5c06\u6574\u5f62\u6b63\u786e\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff1f\u300b<\/span>\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4e0b\u6587\u4e2d\u7684\u5185\u5bb9\u6211\u4eec\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5728\u9605\u8bfb\u672c\u6587\u8fc7\u7a0b\u4e2d\u6709\u9047\u5230\u4e0d\u6e05\u695a\u7684\u5730\u65b9\uff0c\u6b22\u8fce\u7559\u8a00\u5440\uff01\u6211\u4eec\u4e00\u8d77\u8ba8\u8bba\uff0c\u4e00\u8d77\u5b66\u4e60\uff01,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241119\/1732026285673c9fad0d5d1.jpg\" class=\"aligncenter\">,<br \/>\n<strong>go \u5b57\u7b26\u4e32\u6253\u5370\u5dee\u5f02\uff1aprintln \u548c string() \u7684\u5f71\u54cd<\/strong>,\u95ee\u9898\u4e2d\u63d0\u5230\uff0c\u6253\u5370\u4e00\u4e2a\u7b80\u5355\u5b57\u7b26\u4e32\u65f6\uff0c\u4f7f\u7528\u5185\u7f6e\u51fd\u6570 println \u53ef\u4ee5\u6210\u529f\u6253\u5370\uff0c\u800c\u4f7f\u7528 string() \u5305\u88f9\u540e\u5374\u65e0\u6cd5\u6253\u5370\u3002,\u8981\u4e86\u89e3\u80cc\u540e\u7684\u539f\u56e0\uff0c\u6211\u4eec\u9996\u5148\u9700\u8981\u5f04\u6e05\u695a opencapcha \u7684\u7c7b\u578b\u3002\u6839\u636e\u95ee\u9898\u4e2d\u7ed9\u51fa\u7684 if \u8bed\u53e5\uff0copencapcha \u4f3c\u4e4e\u4e0d\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u800c\u662f\u4e00\u4e2a\u6574\u5f62\u3002,<br \/>\n<strong>\u7c7b\u578b\u8f6c\u6362<\/strong>,\u5f53\u6574\u5f62\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u65f6\uff0c\u5c06\u5f97\u5230\u6574\u6570\u7684 utf-8 \u8868\u793a\u5f62\u5f0f\u3002\u7531\u4e8e\u6574\u5f62\u53ef\u80fd\u5305\u542b\u8d85\u51fa\u6709\u6548 unicode \u4ee3\u7801\u70b9\u7684\u503c\uff0c\u56e0\u6b64\u4f1a\u8f6c\u6362\u4e3a &#8220;ufffd&#8221; \u5b57\u7b26\u3002\u8fd9\u4e2a\u8f6c\u6362\u663e\u7136\u4e0d\u7b26\u5408\u671f\u671b\u3002,\u4f8b\u5982\uff1a,<br \/>\n<strong>\u6b63\u786e\u7684\u8f6c\u6362<\/strong>,\u8981\u5c06\u6574\u5f62\u6b63\u786e\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u5e94\u4f7f\u7528 strconv.itoa \u51fd\u6570\uff1a,\u56e0\u6b64\uff0c\u4f7f\u7528 string() \u5305\u88f9\u6574\u5f62\u65f6\uff0c\u5f97\u5230\u7684\u4e0d\u662f\u6211\u4eec\u9700\u8981\u7684\u5b57\u7b26\u4e32\u8868\u793a\uff0c\u800c\u4f7f\u7528 strconv.itoa \u51fd\u6570\u53ef\u4ee5\u5f97\u5230\u6b63\u786e\u7684\u5b57\u7b26\u4e32\u8f6c\u6362\u3002,\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301GOLANG\uff01\u66f4\u591a\u5173\u4e8eGOLANG\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u3002,go \u5b57\u7b26\u4e32\u6253\u5370\u5dee\u5f02\uff1aprintln \u548c string() \u7684\u5f71\u54cd,\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u6211\u4eec\u8981\u52aa\u529b\u5b66\u4e60\u5566\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGo \u4e2d\u5982\u4f55\u5c06\u6574\u5f62\u6b63\u786e\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff1f\u300b<\/span>\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4e0b\u6587\u4e2d\u7684\u5185\u5bb9\u6211\u4eec\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5728\u9605\u8bfb\u672c\u6587\u8fc7\u7a0b\u4e2d\u6709\u9047\u5230\u4e0d\u6e05\u695a\u7684\u5730\u65b9\uff0c\u6b22\u8fce\u7559\u8a00\u5440\uff01\u6211\u4eec\u4e00\u8d77\u8ba8\u8bba\uff0c\u4e00\u8d77\u5b66\u4e60\uff01,<br \/>\n<b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span> <span>Go \u4e2d\u5982\u4f55\u5c06\u6574\u5f62\u6b63\u786e\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff1f<\/span><\/p>\n<h1>Go \u4e2d\u5982\u4f55\u5c06\u6574\u5f62\u6b63\u786e\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff1f<\/h1>\n<p><span>2024-11-19 22:25:00<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u6211\u4eec\u8981\u52aa\u529b\u5b66\u4e60\u5566\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aGo \u4e2d\u5982\u4f55\u5c06\u6574\u5f62\u6b63\u786e\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff1f\u300b<\/span>\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4e0b\u6587\u4e2d\u7684\u5185\u5bb9\u6211\u4eec\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5728\u9605\u8bfb\u672c\u6587\u8fc7\u7a0b\u4e2d\u6709\u9047\u5230\u4e0d\u6e05\u695a\u7684\u5730\u65b9\uff0c\u6b22\u8fce\u7559\u8a00\u5440\uff01\u6211\u4eec\u4e00\u8d77\u8ba8\u8bba\uff0c\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241119\/1732026285673c9fad0d5d1.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>go \u5b57\u7b26\u4e32\u6253\u5370\u5dee\u5f02\uff1aprintln \u548c string() \u7684\u5f71\u54cd<\/strong><\/p>\n<p>\u95ee\u9898\u4e2d\u63d0\u5230\uff0c\u6253\u5370\u4e00\u4e2a\u7b80\u5355\u5b57\u7b26\u4e32\u65f6\uff0c\u4f7f\u7528\u5185\u7f6e\u51fd\u6570 println \u53ef\u4ee5\u6210\u529f\u6253\u5370\uff0c\u800c\u4f7f\u7528 string() \u5305\u88f9\u540e\u5374\u65e0\u6cd5\u6253\u5370\u3002<\/p>\n<p>\u8981\u4e86\u89e3\u80cc\u540e\u7684\u539f\u56e0\uff0c\u6211\u4eec\u9996\u5148\u9700\u8981\u5f04\u6e05\u695a opencapcha \u7684\u7c7b\u578b\u3002\u6839\u636e\u95ee\u9898\u4e2d\u7ed9\u51fa\u7684 if \u8bed\u53e5\uff0copencapcha \u4f3c\u4e4e\u4e0d\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u800c\u662f\u4e00\u4e2a\u6574\u5f62\u3002<\/p>\n<p><strong>\u7c7b\u578b\u8f6c\u6362<\/strong><\/p>\n<p>\u5f53\u6574\u5f62\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u65f6\uff0c\u5c06\u5f97\u5230\u6574\u6570\u7684 utf-8 \u8868\u793a\u5f62\u5f0f\u3002\u7531\u4e8e\u6574\u5f62\u53ef\u80fd\u5305\u542b\u8d85\u51fa\u6709\u6548 unicode \u4ee3\u7801\u70b9\u7684\u503c\uff0c\u56e0\u6b64\u4f1a\u8f6c\u6362\u4e3a &#8220;ufffd&#8221; \u5b57\u7b26\u3002\u8fd9\u4e2a\u8f6c\u6362\u663e\u7136\u4e0d\u7b26\u5408\u671f\u671b\u3002<\/p>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre>fmt.println(string(-1)) \/\/ \u8f93\u51fa \"\\ufffd\"<\/pre>\n<p><strong>\u6b63\u786e\u7684\u8f6c\u6362<\/strong><\/p>\n<p>\u8981\u5c06\u6574\u5f62\u6b63\u786e\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u5e94\u4f7f\u7528 strconv.itoa \u51fd\u6570\uff1a<\/p>\n<pre>import \"strconv\"\n\nfmt.Println(strconv.Itoa(-1)) \/\/ \u8f93\u51fa \"-1\"<\/pre>\n<p>\u56e0\u6b64\uff0c\u4f7f\u7528 string() \u5305\u88f9\u6574\u5f62\u65f6\uff0c\u5f97\u5230\u7684\u4e0d\u662f\u6211\u4eec\u9700\u8981\u7684\u5b57\u7b26\u4e32\u8868\u793a\uff0c\u800c\u4f7f\u7528 strconv.itoa \u51fd\u6570\u53ef\u4ee5\u5f97\u5230\u6b63\u786e\u7684\u5b57\u7b26\u4e32\u8f6c\u6362\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301GOLANG\uff01\u66f4\u591a\u5173\u4e8eGOLANG\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u3002<\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u600e\u4e48\u770bWin11\u662f\u4e0d\u662f\u6b63\u5f0f\u7248 \u67e5\u770bWin11\u662f\u5426\u662f\u6b63\u5f0f\u7248\u7684\u65b9\u6cd5\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   MySQL \u5220\u9664\u6570\u636e\u62a5\u9519\uff1aColumn count doesn&#8217;t match value count\uff1f\u5982\u4f55\u89e3\u51b3\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u6211\u4eec\u8981\u52aa\u529b\u5b66\u4e60\u5566\uff01\u4eca&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-206701","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206701","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=206701"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206701\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206701"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206701"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206701"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}