{"id":208119,"date":"2025-07-08T08:28:22","date_gmt":"2025-07-08T00:28:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/208119\/"},"modified":"2025-07-08T08:28:22","modified_gmt":"2025-07-08T00:28:22","slug":"%e9%81%bf%e5%85%8d%e9%9c%80%e8%a6%81%e5%86%97%e4%bd%99%e6%a3%80%e6%9f%a5%e6%9d%a5%e6%98%a0%e5%b0%84%e7%bb%99%e5%ae%9a%e7%9a%84%e5%ad%97%e7%ac%a6%e4%b8%b2%e9%9b%b6%e5%80%bc%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/208119\/","title":{"rendered":"\u907f\u514d\u9700\u8981\u5197\u4f59\u68c0\u67e5\u6765\u6620\u5c04\u7ed9\u5b9a\u7684\u5b57\u7b26\u4e32\u96f6\u503c\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u907f\u514d\u9700\u8981\u5197\u4f59\u68c0\u67e5\u6765\u6620\u5c04\u7ed9\u5b9a\u7684\u5b57\u7b26\u4e32\u96f6\u503c\uff1f<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-29 09:42:35<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u8bf4\u660e\u4f60\u5bf9\u300a\u907f\u514d\u9700\u8981\u5197\u4f59\u68c0\u67e5\u6765\u6620\u5c04\u7ed9\u5b9a\u7684\u5b57\u7b26\u4e32\u96f6\u503c\uff1f\u300b\u5f88\u611f\u5174\u8da3\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u7ed9\u5927\u5bb6\u8be6\u7ec6\u89e3\u6790\u4e00\u4e0b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u6240\u6709\u8ba4\u771f\u8bfb\u5b8c\u7684\u7ae5\u978b\u4eec\uff0c\u90fd\u6709\u5b9e\u8d28\u6027\u7684\u63d0\u9ad8\u3002<\/p>\n

\u95ee\u9898\u5185\u5bb9
\n <\/p>\n

\u6211\u4eec\u6709\u4e00\u4e2a map[string]string<\/code>\uff0c\u6211\u5047\u8bbe\u8fd9\u610f\u5473\u7740\u4ece\u5730\u56fe\u4e2d\u68c0\u7d22\u5230\u7684\u5b57\u7b26\u4e32\u7684\u96f6\u503c\u662f \"\"<\/code><\/p>\n

\u8fd9\u662f\u5426\u610f\u5473\u7740\uff1a<\/p>\n

var userid, ok = params[\"user_id\"];\n\nif !ok || userid == \"\" {\n    return 422, \"missing user_id in request\"\n}<\/pre>\n
\u4e0e\u6b64\u76f8\u540c\u7684\u903b\u8f91\uff1a<\/p>\n
var userId = params[\"user_id\"];\n\nif  userId == \"\" {\n    return 422, \"Missing user_id in request\"\n}<\/pre>\n
\u53ea\u662f\u786e\u4fdd\u6211\u7684\u7406\u89e3\u662f\u6b63\u786e\u7684\u3002<\/p>\n
 <\/p>\n
\u89e3\u51b3\u65b9\u6848<\/h2>\n
 <\/p>\n
\u5982\u679c\u60a8\u6253\u7b97\u5b58\u50a8\u503c\u7c7b\u578b\u7684\u96f6\u503c\uff0c\u60c5\u51b5\u5c31\u4e0d\u4e00\u6837\u4e86\u3002<\/p>\n
\u8bf7\u53c2\u9605\u6b64\u793a\u4f8b\uff1a<\/p>\n
m := map[string]string{\n    \"empty\": \"\",\n}\n\nif v, ok := m[\"empty\"]; ok {\n    fmt.printf(\"'empty' is present: %q\\n\", v)\n} else {\n    fmt.println(\"'empty' is not present\")\n}\nif v, ok := m[\"missing\"]; ok {\n    fmt.printf(\"'missing' is present: %q\\n\", v)\n} else {\n    fmt.printf(\"'missing' is not present\")\n}<\/pre>\n
\u5b83\u8f93\u51fa\uff08\u5728\u4e0a\u5c1d\u8bd5\uff09\uff1a<\/p>\n
'empty' is present: \"\"\n'missing' is not present<\/pre>\n
\u786e\u5b9e\uff0c\u5982\u679c\u60a8\u4ece\u4e0d\u5728\u6620\u5c04\u4e2d\u5b58\u50a8\u96f6\u503c\uff0c\u5219\u53ef\u4ee5\u7b80\u5355\u5730\u4f7f\u7528 if m[value] == zerovalue {}<\/code>\u3002\u8be6\u7ec6\u4fe1\u606f\u8bf7\u53c2\u89c1\uff1a<\/p>\n
\u53ef\u4ee5\u5229\u7528\u5730\u56fe\u7684\u8fd9\u79cd\u201c\u5c5e\u6027\u201d\u6765\u4f18\u96c5\u5730\u521b\u5efa\u96c6\u5408\u3002\u67e5\u770b<\/p>\n
\u4f7f\u7528\u8fd9\u79cd\u201c\u6280\u672f\u201d\u8fd8\u6709\u53e6\u4e00\u4e2a\u4f18\u70b9\uff1a\u60a8\u53ef\u4ee5\u4ee5\u7d27\u51d1\u7684\u65b9\u5f0f\u68c0\u67e5\u591a\u4e2a\u952e\u662f\u5426\u5b58\u5728\uff08\u60a8\u4e0d\u80fd\u4f7f\u7528\u7279\u6b8a\u7684\u201ccomma ok\u201d\u5f62\u5f0f\u6765\u505a\u5230\u8fd9\u4e00\u70b9\uff09\u3002\u66f4\u591a\u4fe1\u606f\uff1a<\/p>\n
\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300a\u907f\u514d\u9700\u8981\u5197\u4f59\u68c0\u67e5\u6765\u6620\u5c04\u7ed9\u5b9a\u7684\u5b57\u7b26\u4e32\u96f6\u503c\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f53\u524d\u4f4d\u7f6e\uff1a > > ...<\/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-208119","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208119","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=208119"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208119\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=208119"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=208119"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=208119"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}