{"id":206461,"date":"2025-06-12T11:43:09","date_gmt":"2025-06-12T03:43:09","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206461\/"},"modified":"2025-06-12T11:43:09","modified_gmt":"2025-06-12T03:43:09","slug":"println-%e5%92%8c-string-%e6%89%93%e5%8d%b0%e5%ad%97%e7%ac%a6%e4%b8%b2%e4%b8%ba%e4%bd%95%e6%9c%89%e5%88%ab%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206461\/","title":{"rendered":"Println \u548c string() \u6253\u5370\u5b57\u7b26\u4e32\u4e3a\u4f55\u6709\u522b\uff1f"},"content":{"rendered":"<p>GOLANG\u4eca\u5929\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPrintln \u548c string() \u6253\u5370\u5b57\u7b26\u4e32\u4e3a\u4f55\u6709\u522b\uff1f\u300b<\/span>\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4ee5\u4e0b\u5185\u5bb9\u5c06\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\u4f60\u662f\u6b63\u5728\u5b66\u4e60<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">GOLANG<\/span>\u6216\u8005\u5df2\u7ecf\u662f\u5927\u4f6c\u7ea7\u522b\u4e86\uff0c\u90fd\u975e\u5e38\u6b22\u8fce\u4e5f\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u7ed9\u6211\u5efa\u8bae\u8bc4\u8bba\u54c8~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff01,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241112\/1731399892673310d4170a7.jpg\" class=\"aligncenter\">,<br \/>\n<strong>\u666e\u901a\u5b57\u7b26\u4e32\u6253\u5370\u4e3a\u4f55\u6709\u522b\uff1fprintln \u548c string() \u4e4b\u5dee<\/strong>,\u5f53\u4f60\u9047\u5230\u8fd9\u6837\u4e00\u4e2a\u95ee\u9898\uff1a\u660e\u660e\u4e00\u4e2a\u7b80\u5355\u7684\u5b57\u7b26\u4e32\u53ef\u4ee5\u7528\u5185\u7f6e\u7684 println \u51fd\u6570\u6253\u5370\u51fa\u6765\uff0c\u5374\u5728\u4f7f\u7528 string \u51fd\u6570\u5305\u88f9\u540e\u65e0\u6cd5\u6253\u5370\uff0c\u8fd9\u662f\u600e\u4e48\u56de\u4e8b\u5462\uff1f,\u7b54\u6848\u7684\u5173\u952e\u5c31\u5728\u4e8e\u53d8\u91cf\u7684\u7c7b\u578b\u3002\u4ee3\u7801\u4e2d if \u8bed\u53e5\u63d0\u793a opencapcha \u53ef\u80fd\u4e0d\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u800c\u662f\u4e00\u4e2a\u6574\u6570\u3002\u5f53\u6574\u6570\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u65f6\uff0c\u4f1a\u5f97\u5230\u76f8\u5e94 unicode \u5b57\u7b26\u7684 utf-8 \u8868\u793a\u3002\u5982\u679c\u503c\u8d85\u51fa\u6709\u6548\u7684 unicode \u4ee3\u7801\u70b9\u8303\u56f4\uff0c\u5219\u8f6c\u6362\u4e3a &#8220;ufffd&#8221; \u6307\u5b9a\u7684\u5b57\u7b26\u3002,\u663e\u7136\uff0c\u8fd9\u79cd\u8f6c\u6362\u5e76\u4e0d\u662f\u4f60\u6240\u9700\u8981\u7684\u3002\u5982\u679c\u4f60\u9700\u8981\u7684\u662f\u5b57\u7b26\u4e32\u8868\u793a\uff0c\u5e94\u8be5\u4f7f\u7528 strconv.itoa \u51fd\u6570\uff1a,\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,\u666e\u901a\u5b57\u7b26\u4e32\u6253\u5370\u4e3a\u4f55\u6709\u522b\uff1fprintln \u548c string() \u4e4b\u5dee,GOLANG\u4eca\u5929\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPrintln \u548c string() \u6253\u5370\u5b57\u7b26\u4e32\u4e3a\u4f55\u6709\u522b\uff1f\u300b<\/span>\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4ee5\u4e0b\u5185\u5bb9\u5c06\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\u4f60\u662f\u6b63\u5728\u5b66\u4e60<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">GOLANG<\/span>\u6216\u8005\u5df2\u7ecf\u662f\u5927\u4f6c\u7ea7\u522b\u4e86\uff0c\u90fd\u975e\u5e38\u6b22\u8fce\u4e5f\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u7ed9\u6211\u5efa\u8bae\u8bc4\u8bba\u54c8~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\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>Println \u548c string() \u6253\u5370\u5b57\u7b26\u4e32\u4e3a\u4f55\u6709\u522b\uff1f<\/span><\/p>\n<h1>Println \u548c string() \u6253\u5370\u5b57\u7b26\u4e32\u4e3a\u4f55\u6709\u522b\uff1f<\/h1>\n<p><span>2024-11-12 16:25:07<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>GOLANG\u4eca\u5929\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPrintln \u548c string() \u6253\u5370\u5b57\u7b26\u4e32\u4e3a\u4f55\u6709\u522b\uff1f\u300b<\/span>\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4ee5\u4e0b\u5185\u5bb9\u5c06\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\u4f60\u662f\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">GOLANG<\/span>\u6216\u8005\u5df2\u7ecf\u662f\u5927\u4f6c\u7ea7\u522b\u4e86\uff0c\u90fd\u975e\u5e38\u6b22\u8fce\u4e5f\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u7ed9\u6211\u5efa\u8bae\u8bc4\u8bba\u54c8~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241112\/1731399892673310d4170a7.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u666e\u901a\u5b57\u7b26\u4e32\u6253\u5370\u4e3a\u4f55\u6709\u522b\uff1fprintln \u548c string() \u4e4b\u5dee<\/strong><\/p>\n<p>\u5f53\u4f60\u9047\u5230\u8fd9\u6837\u4e00\u4e2a\u95ee\u9898\uff1a\u660e\u660e\u4e00\u4e2a\u7b80\u5355\u7684\u5b57\u7b26\u4e32\u53ef\u4ee5\u7528\u5185\u7f6e\u7684 println \u51fd\u6570\u6253\u5370\u51fa\u6765\uff0c\u5374\u5728\u4f7f\u7528 string \u51fd\u6570\u5305\u88f9\u540e\u65e0\u6cd5\u6253\u5370\uff0c\u8fd9\u662f\u600e\u4e48\u56de\u4e8b\u5462\uff1f<\/p>\n<p>\u7b54\u6848\u7684\u5173\u952e\u5c31\u5728\u4e8e\u53d8\u91cf\u7684\u7c7b\u578b\u3002\u4ee3\u7801\u4e2d if \u8bed\u53e5\u63d0\u793a opencapcha \u53ef\u80fd\u4e0d\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u800c\u662f\u4e00\u4e2a\u6574\u6570\u3002\u5f53\u6574\u6570\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u65f6\uff0c\u4f1a\u5f97\u5230\u76f8\u5e94 unicode \u5b57\u7b26\u7684 utf-8 \u8868\u793a\u3002\u5982\u679c\u503c\u8d85\u51fa\u6709\u6548\u7684 unicode \u4ee3\u7801\u70b9\u8303\u56f4\uff0c\u5219\u8f6c\u6362\u4e3a &#8220;ufffd&#8221; \u6307\u5b9a\u7684\u5b57\u7b26\u3002<\/p>\n<pre>    string('a')       \/\/ \"a\"\n    string(-1)        \/\/ \"\\ufffd\" == \"\\xef\\xbf\\xbd\"\n    string(0xf8)      \/\/ \"\\u00f8\" == \"\u00f8\" == \"\\xc3\\xb8\"<\/pre>\n<p>\u663e\u7136\uff0c\u8fd9\u79cd\u8f6c\u6362\u5e76\u4e0d\u662f\u4f60\u6240\u9700\u8981\u7684\u3002\u5982\u679c\u4f60\u9700\u8981\u7684\u662f\u5b57\u7b26\u4e32\u8868\u793a\uff0c\u5e94\u8be5\u4f7f\u7528 strconv.itoa \u51fd\u6570\uff1a<\/p>\n<pre>    strconv.Itoa(openCapcha)<\/pre>\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   JTabbedPane \u7684 add() \u548c addTab() \u65b9\u6cd5\u6709\u4f55\u533a\u522b\uff1f\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u5982\u4f55\u4f7f\u7528 shell \u811a\u672c\u5b9e\u65f6\u6253\u5370 SQL \u6267\u884c\u8fc7\u7a0b\u5e76\u907f\u514d\u811a\u672c\u5361\u6b7b\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>GOLANG\u4eca\u5929\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765 \u300a&#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-206461","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206461","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=206461"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206461\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206461"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206461"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206461"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}