{"id":207313,"date":"2025-07-08T08:25:37","date_gmt":"2025-07-08T00:25:37","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207313\/"},"modified":"2025-07-08T08:25:37","modified_gmt":"2025-07-08T00:25:37","slug":"%e6%9c%89%e6%95%88%e5%9c%b0%e4%bd%bf%e7%94%a8%e6%96%87%e6%a1%a3%e6%9d%a5%e6%9f%a5%e6%89%be%e6%89%80%e6%9c%89%e4%bb%a5-io-reader-%e4%bd%9c%e4%b8%ba%e5%8f%82%e6%95%b0%e7%9a%84%e6%a0%87%e5%87%86%e5%ba%93","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207313\/","title":{"rendered":"\u6709\u6548\u5730\u4f7f\u7528\u6587\u6863\u6765\u67e5\u627e\u6240\u6709\u4ee5 io.Reader \u4f5c\u4e3a\u53c2\u6570\u7684\u6807\u51c6\u5e93\u51fd\u6570"},"content":{"rendered":"

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

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u6709\u6548\u5730\u4f7f\u7528\u6587\u6863\u6765\u67e5\u627e\u6240\u6709\u4ee5 io.Reader \u4f5c\u4e3a\u53c2\u6570\u7684\u6807\u51c6\u5e93\u51fd\u6570<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-21 17:30:36<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5206\u4eab\u300a\u6709\u6548\u5730\u4f7f\u7528\u6587\u6863\u6765\u67e5\u627e\u6240\u6709\u4ee5 io.Reader \u4f5c\u4e3a\u53c2\u6570\u7684\u6807\u51c6\u5e93\u51fd\u6570\u300b\uff0c\u8986\u76d6\u4e86Golang\u7684\u5e38\u89c1\u57fa\u7840\u77e5\u8bc6\uff0c\u5176\u5b9e\u4e00\u4e2a\u8bed\u8a00\u7684\u5168\u90e8\u77e5\u8bc6\u70b9\u4e00\u7bc7\u6587\u7ae0\u662f\u4e0d\u53ef\u80fd\u8bf4\u5b8c\u7684\uff0c\u4f46\u5e0c\u671b\u901a\u8fc7\u8fd9\u4e9b\u95ee\u9898\uff0c\u8ba9\u8bfb\u8005\u5bf9\u81ea\u5df1\u7684\u638c\u63e1\u7a0b\u5ea6\u6709\u4e00\u5b9a\u7684\u8ba4\u8bc6(B \u6570)\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u66f4\u597d\u7684\u638c\u63e1\u5b83\u3002<\/p>\n

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

\u6211\u6709\u4e00\u4e2a\u5173\u4e8e\u5982\u4f55\u5728 Go \u6587\u6863\u4e2d\u67e5\u627e\u4fe1\u606f\u7684\u95ee\u9898\u3002<\/p>\n

\u6211\u770b\u5230 net\/http Response.Body \u662f io.ReadCloser \u7684\u503c\u3002<\/p>\n

go doc io readcloser<\/code> \u5bfc\u81f4 go doc io reader<\/code>\uff0c\u4f46\u90a3\u662f\u4e00\u4e2a\u6b7b\u80e1\u540c\u3002\u6211\u6700\u7ec8\u4e86\u89e3\u5230\u6211\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e9b duck.go \u641c\u7d22\u4f7f\u7528 ioutil.ReadAll(rs.Body) \u6765\u9605\u8bfb\u5b83\u3002\u6211\u5982\u4f55\u901a\u8fc7 go \u6587\u6863<\/strong>\u5f04\u6e05\u695a\u8fd9\u4e00\u70b9\uff1f<\/p>\n

\u6211\u60f3\u6211\u7684\u95ee\u9898\u53ef\u80fd<\/strong>\u662f\uff1a\u6211\u600e\u6837\u624d\u80fd\u627e\u5230\u6240\u6709\u5e26\u6709\u53c2\u6570\u7684\u5305\u4e2d\u7684\u6240\u6709\u51fd\u6570 (r io.Reader)… \u6bd4\u5982 func ReadAll(r io.Reader) ([ ]\u5b57\u8282\uff0c\u9519\u8bef\uff09\u662f\u5417\uff1f<\/p>\n

<\/p>\n

\u6b63\u786e\u7b54\u6848<\/h2>\n

<\/p>\n

\u6b64\u7ad9\u70b9 [1] \u652f\u6301\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u56e0\u6b64\u60a8\u53ef\u4ee5\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c\uff1a<\/p>\n

case:y func\\s[a-z].+io.reader[,)]<\/pre>\n
\u7ed3\u679c\u76f8\u5f53\u591a\uff0c\u56e0\u4e3a io.reader<\/code> \u53ef\u4ee5\u8bf4\u662f\u6700\u5e38\u89c1\u7684\u63a5\u53e3\u503c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u7ed3\u679c\uff1a<\/p>\n
src\/encoding\/csv\/reader.go\nfunc NewReader(r io.Reader) *Reader {\n\nsrc\/testing\/iotest\/reader.go\nfunc HalfReader(r io.Reader) io.Reader { return &halfReader{r} }\nfunc OneByteReader(r io.Reader) io.Reader { return &oneByteReader{r} }\n\nsrc\/image\/gif\/reader.go\nfunc Decode(r io.Reader) (image.Image, error) {\nfunc DecodeAll(r io.Reader) (*GIF, error) {\nfunc DecodeConfig(r io.Reader) (image.Config, error) {<\/pre>\n
    \n
  1. <\/li>\n<\/ol>\n
    \u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300a\u6709\u6548\u5730\u4f7f\u7528\u6587\u6863\u6765\u67e5\u627e\u6240\u6709\u4ee5 io.Reader \u4f5c\u4e3a\u53c2\u6570\u7684\u6807\u51c6\u5e93\u51fd\u6570\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u516c\u4f17\u53f7\u5427\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-207313","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207313","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=207313"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207313\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207313"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207313"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207313"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}