{"id":206479,"date":"2025-06-12T14:33:56","date_gmt":"2025-06-12T06:33:56","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206479\/"},"modified":"2025-06-12T14:33:56","modified_gmt":"2025-06-12T06:33:56","slug":"io-reader%e5%92%8cstrings-reader%ef%bc%9a%e5%ae%83%e4%bb%ac%e4%b9%8b%e9%97%b4%e7%9a%84%e5%85%b3%e8%81%94%e5%92%8c%e5%ae%9e%e9%99%85%e5%ba%94%e7%94%a8%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206479\/","title":{"rendered":"io.Reader\u548cstrings.Reader\uff1a\u5b83\u4eec\u4e4b\u95f4\u7684\u5173\u8054\u548c\u5b9e\u9645\u5e94\u7528\u95ee\u9898"},"content":{"rendered":"

\u73cd\u60dc\u65f6\u95f4\uff0c\u52e4\u594b\u5b66\u4e60\uff01\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765
\n\u300aio.Reader\u548cstrings.Reader\uff1a\u5b83\u4eec\u4e4b\u95f4\u7684\u5173\u8054\u548c\u5b9e\u9645\u5e94\u7528\u95ee\u9898\u300b<\/span>\uff0c\u6b63\u6587\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230
\n<\/span>\u7b49\u7b49\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60
\nGOLANG<\/span>\uff0c\u6216\u8005\u662f\u5bf9
\nGOLANG<\/span>\u6709\u7591\u95ee\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u6211\uff01\u540e\u9762\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u5185\u5bb9\u7684\uff0c\u5e0c\u671b\u90fd\u80fd\u5e2e\u5230\u6b63\u5728\u5b66\u4e60\u7684\u5927\u5bb6\uff01,
\n,
\nio.reader\u548cstrings.reader\uff1a\u6697\u85cf\u7684\u8054\u7cfb<\/strong>,
\n\u95ee\u9898\uff1a<\/strong>,io.reader\u548cstrings.reader\u4e4b\u95f4\u6709\u4ec0\u4e48\u5173\u8054\uff1f\u5b83\u4eec\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u662f\u5426\u4e92\u901a\uff1f,
\n\u7b54\u6848\uff1a<\/strong>,\u5728\u5b66\u4e60reader\u65f6\uff0c\u4f60\u4f1a\u9047\u5230io.reader\u548cstrings.reader\uff0cio.reader\u662f\u4e00\u4e2a\u63a5\u53e3\uff0c\u800cstrings.reader\u662f\u4e00\u4e2a\u7ed3\u6784\u4f53\u3002\u4e4d\u4e00\u770b\uff0c\u5b83\u4eec\u4f3c\u4e4e\u6ca1\u6709\u4efb\u4f55\u5173\u8054\u3002\u7136\u800c\uff0c\u4ed4\u7ec6\u89c2\u5bdfstrings.reader\u7684\u5b9a\u4e49\uff0c\u4f60\u5c31\u4f1a\u53d1\u73b0\u5b83\u5b9e\u73b0\u4e86io.reader\u63a5\u53e3\u3002,
\nstrings.reader\u7684\u5b9a\u4e49\uff1a<\/strong>,
\n\u5b9e\u73b0io.reader\u63a5\u53e3\u7684\u65b9\u6cd5\uff1a<\/strong>,\u8fd9\u4e2a\u65b9\u6cd5\u4e0eio.reader\u63a5\u53e3\u4e2d\u5b9a\u4e49\u7684\u65b9\u6cd5\u4e00\u81f4\u3002\u56e0\u6b64\uff0cstrings.reader\u5b9e\u73b0\u4e86io.reader\u63a5\u53e3\u3002,\u8fd9\u610f\u5473\u7740\u4efb\u4f55\u9700\u8981io.reader\u4f5c\u4e3a\u53c2\u6570\u7684\u5730\u65b9\u90fd\u53ef\u4ee5\u4f7f\u7528strings.reader\u3002\u4f8b\u5982\uff1a,
\n\u603b\u7ed3\uff1a<\/strong>,strings.reader\u901a\u8fc7\u5b9e\u73b0io.reader\u63a5\u53e3\u6210\u4e3a\u5176\u5b50\u7c7b\u3002\u56e0\u6b64\uff0c\u6240\u6709\u9700\u8981io.reader\u4f5c\u4e3a\u53c2\u6570\u7684\u5730\u65b9\u90fd\u53ef\u7528strings.reader\u66ff\u6362\u3002,\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aio.Reader\u548cstrings.Reader\uff1a\u5b83\u4eec\u4e4b\u95f4\u7684\u5173\u8054\u548c\u5b9e\u9645\u5e94\u7528\u95ee\u9898\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~GOLANG\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03GOLANG\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01,io.reader\u548cstrings.reader\uff1a\u6697\u85cf\u7684\u8054\u7cfb,\u73cd\u60dc\u65f6\u95f4\uff0c\u52e4\u594b\u5b66\u4e60\uff01\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765
\n\u300aio.Reader\u548cstrings.Reader\uff1a\u5b83\u4eec\u4e4b\u95f4\u7684\u5173\u8054\u548c\u5b9e\u9645\u5e94\u7528\u95ee\u9898\u300b<\/span>\uff0c\u6b63\u6587\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230
\n<\/span>\u7b49\u7b49\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60
\nGOLANG<\/span>\uff0c\u6216\u8005\u662f\u5bf9
\nGOLANG<\/span>\u6709\u7591\u95ee\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u6211\uff01\u540e\u9762\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u5185\u5bb9\u7684\uff0c\u5e0c\u671b\u90fd\u80fd\u5e2e\u5230\u6b63\u5728\u5b66\u4e60\u7684\u5927\u5bb6\uff01,
\n<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> io.Reader\u548cstrings.Reader\uff1a\u5b83\u4eec\u4e4b\u95f4\u7684\u5173\u8054\u548c\u5b9e\u9645\u5e94\u7528\u95ee\u9898<\/span><\/p>\n

io.Reader\u548cstrings.Reader\uff1a\u5b83\u4eec\u4e4b\u95f4\u7684\u5173\u8054\u548c\u5b9e\u9645\u5e94\u7528\u95ee\u9898<\/h1>\n

2024-11-12 22:54:34<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u73cd\u60dc\u65f6\u95f4\uff0c\u52e4\u594b\u5b66\u4e60\uff01\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\u300aio.Reader\u548cstrings.Reader\uff1a\u5b83\u4eec\u4e4b\u95f4\u7684\u5173\u8054\u548c\u5b9e\u9645\u5e94\u7528\u95ee\u9898\u300b<\/span>\uff0c\u6b63\u6587\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60GOLANG<\/span>\uff0c\u6216\u8005\u662f\u5bf9GOLANG<\/span>\u6709\u7591\u95ee\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u6211\uff01\u540e\u9762\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u5185\u5bb9\u7684\uff0c\u5e0c\u671b\u90fd\u80fd\u5e2e\u5230\u6b63\u5728\u5b66\u4e60\u7684\u5927\u5bb6\uff01<\/p>\n

<\/p>\n

io.reader\u548cstrings.reader\uff1a\u6697\u85cf\u7684\u8054\u7cfb<\/strong><\/p>\n

\u95ee\u9898\uff1a<\/strong><\/p>\n

io.reader\u548cstrings.reader\u4e4b\u95f4\u6709\u4ec0\u4e48\u5173\u8054\uff1f\u5b83\u4eec\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u662f\u5426\u4e92\u901a\uff1f<\/p>\n

\u7b54\u6848\uff1a<\/strong><\/p>\n

\u5728\u5b66\u4e60reader\u65f6\uff0c\u4f60\u4f1a\u9047\u5230io.reader\u548cstrings.reader\uff0cio.reader\u662f\u4e00\u4e2a\u63a5\u53e3\uff0c\u800cstrings.reader\u662f\u4e00\u4e2a\u7ed3\u6784\u4f53\u3002\u4e4d\u4e00\u770b\uff0c\u5b83\u4eec\u4f3c\u4e4e\u6ca1\u6709\u4efb\u4f55\u5173\u8054\u3002\u7136\u800c\uff0c\u4ed4\u7ec6\u89c2\u5bdfstrings.reader\u7684\u5b9a\u4e49\uff0c\u4f60\u5c31\u4f1a\u53d1\u73b0\u5b83\u5b9e\u73b0\u4e86io.reader\u63a5\u53e3\u3002<\/p>\n

strings.reader\u7684\u5b9a\u4e49\uff1a<\/strong><\/p>\n

type reader struct {\n    s        string\n    i        int64 \/\/ current reading index\n    prevrune int   \/\/ index of previous rune; or < 0\n}<\/pre>\n
\u5b9e\u73b0io.reader\u63a5\u53e3\u7684\u65b9\u6cd5\uff1a<\/strong><\/p>\n
func (r *reader) read(b []byte) (n int, err error)<\/pre>\n
\u8fd9\u4e2a\u65b9\u6cd5\u4e0eio.reader\u63a5\u53e3\u4e2d\u5b9a\u4e49\u7684\u65b9\u6cd5\u4e00\u81f4\u3002\u56e0\u6b64\uff0cstrings.reader\u5b9e\u73b0\u4e86io.reader\u63a5\u53e3\u3002<\/p>\n
\u8fd9\u610f\u5473\u7740\u4efb\u4f55\u9700\u8981io.reader\u4f5c\u4e3a\u53c2\u6570\u7684\u5730\u65b9\u90fd\u53ef\u4ee5\u4f7f\u7528strings.reader\u3002\u4f8b\u5982\uff1a<\/p>\n
r := strings.NewReader(\"hello world !\") \/\/ strings.Reader \u5b9e\u73b0\u4e86 io.Reader\nreader := bufio.NewReader(r)<\/pre>\n
\u603b\u7ed3\uff1a<\/strong><\/p>\n
strings.reader\u901a\u8fc7\u5b9e\u73b0io.reader\u63a5\u53e3\u6210\u4e3a\u5176\u5b50\u7c7b\u3002\u56e0\u6b64\uff0c\u6240\u6709\u9700\u8981io.reader\u4f5c\u4e3a\u53c2\u6570\u7684\u5730\u65b9\u90fd\u53ef\u7528strings.reader\u66ff\u6362\u3002<\/p>\n
\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aio.Reader\u548cstrings.Reader\uff1a\u5b83\u4eec\u4e4b\u95f4\u7684\u5173\u8054\u548c\u5b9e\u9645\u5e94\u7528\u95ee\u9898\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~GOLANG\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03GOLANG\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n
\n
\n <\/dt>\n
\n   \u7535\u8111\u5e38\u89c1\u6545\u969c\u5904\u7406\u6280\u5de7PPT\u6a21\u677f\n <\/dd>\n<\/dl>\n
\n
\n <\/dt>\n
\n   \u5982\u4f55\u89e3\u51b3\u591a\u7a97\u53e3\u6216\u591a\u8bbe\u5907\u7f16\u8f91\u9875\u9762\u65f6\u6570\u636e\u51b2\u7a81\u548c\u8986\u76d6\u95ee\u9898\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
\u73cd\u60dc\u65f6\u95f4\uff0c\u52e4\u594b\u5b66\u4e60\uff01\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26...<\/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-206479","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206479","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=206479"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206479\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206479"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206479"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206479"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}