{"id":207752,"date":"2025-07-08T09:39:11","date_gmt":"2025-07-08T01:39:11","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207752\/"},"modified":"2025-07-08T09:39:11","modified_gmt":"2025-07-08T01:39:11","slug":"%e5%b0%86%e7%bb%93%e6%9e%84%e4%bd%93-b%ef%bc%88%e7%bb%a7%e6%89%bf%e8%87%aa%e7%bb%93%e6%9e%84%e4%bd%93-a%ef%bc%89%e8%bf%bd%e5%8a%a0%e5%88%b0%e7%bb%93%e6%9e%84%e4%bd%93-a-%e7%9a%84%e5%88%87%e7%89%87","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207752\/","title":{"rendered":"\u5c06\u7ed3\u6784\u4f53 B\uff08\u7ee7\u627f\u81ea\u7ed3\u6784\u4f53 A\uff09\u8ffd\u52a0\u5230\u7ed3\u6784\u4f53 A \u7684\u5207\u7247\u4e2d"},"content":{"rendered":"

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

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u5c06\u7ed3\u6784\u4f53 B\uff08\u7ee7\u627f\u81ea\u7ed3\u6784\u4f53 A\uff09\u8ffd\u52a0\u5230\u7ed3\u6784\u4f53 A \u7684\u5207\u7247\u4e2d<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-25 12:33:40<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u6765\u5230\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60Golang\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300a\u5c06\u7ed3\u6784\u4f53 B\uff08\u7ee7\u627f\u81ea\u7ed3\u6784\u4f53 A\uff09\u8ffd\u52a0\u5230\u7ed3\u6784\u4f53 A \u7684\u5207\u7247\u4e2d\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n

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

\u6211\u6709\u4e00\u4e2a\u4ece\u7ed3\u6784\u4f53 a \u7ee7\u627f\u7684\u7ed3\u6784\u4f53 b\u3002\u6211\u6709\u53e6\u4e00\u4e2a\u7ed3\u6784\u4f53 c\uff08\u5176\u4e2d\u5305\u542b\u7ed3\u6784\u4f53 a \u7684\u4e00\u90e8\u5206\uff09\uff0c\u6211\u60f3\u5c06 b \u9644\u52a0\u5230 c\u3002<\/p>\n

package main\n\ntype A struct {\n    target string\n}\n\ntype B struct{\n    A\n    values []int\n}\n\ntype C struct{\n    Cols []*A\n}\n\nfunc main() {\n\nvar values = []int{1,2,3}\nvar col1 = C{} \nvar col2 = &B {\n    A: A{\n        target: \"txt\",\n    },\n    values: values,\n    }\n\ncol1.Cols = append(col1.Cols, col2)\n\n}<\/pre>\n
\u8fd0\u884c\u6b64\u4ee3\u7801\u65f6\uff0c\u4f1a\u751f\u6210\u9519\u8bef\uff1a\u65e0\u6cd5\u5728\u9644\u52a0\u4e2d\u4f7f\u7528 col2 (type *b) as type *a<\/p>\n
\u8bf7\u95ee\u600e\u4e48\u4e86\uff1f\u6211\u662f\u65b0\u4eba<\/p>\n
ps\uff1a\u62b1\u6b49\u6211\u7684\u82f1\u8bed\u4e0d\u597d<\/p>\n
 <\/p>\n
\u89e3\u51b3\u65b9\u6848<\/h2>\n
 <\/p>\n
col1.cols\u662f*a\u7c7b\u578b\uff0ccol2\u662f*b\u7c7b\u578b\uff0ccol2.a\u662fa\u7c7b\u578b\uff0c\u5982\u679c\u8981\u5411\u5207\u7247\u6dfb\u52a0\u65b0\u5143\u7d20\uff0c\u5b83\u4eec\u5e94\u8be5\u662f\u76f8\u540c\u7684\u7c7b\u578b\u3002 \u6240\u4ee5\u5982\u679c\u4f60\u5c06\u6700\u540e\u4e00\u6761\u8bed\u53e5\u66f4\u6539\u4e3a <\/p>\n
col1.Cols = append(col1.Cols, &col2.A)<\/pre>\n
\u5b83\u4f1a\u8d77\u4f5c\u7528\u7684\u3002 <\/p>\n
\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300a\u5c06\u7ed3\u6784\u4f53 B\uff08\u7ee7\u627f\u81ea\u7ed3\u6784\u4f53 A\uff09\u8ffd\u52a0\u5230\u7ed3\u6784\u4f53 A \u7684\u5207\u7247\u4e2d\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591aGolang\u77e5\u8bc6\uff01<\/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-207752","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207752","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=207752"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207752\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207752"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207752"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207752"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}