{"id":946,"date":"2024-11-07T08:20:52","date_gmt":"2024-11-07T00:20:52","guid":{"rendered":"https:\/\/fwq.ai\/blog\/946\/"},"modified":"2024-11-07T08:20:52","modified_gmt":"2024-11-07T00:20:52","slug":"strings-reader-%e5%a6%82%e4%bd%95%e4%b8%8e-io-reader-%e6%8e%a5%e5%8f%a3%e5%85%b3%e8%81%94%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/946\/","title":{"rendered":"strings.Reader \u5982\u4f55\u4e0e io.Reader \u63a5\u53e3\u5173\u8054\uff1f"},"content":{"rendered":"

\"strings.Reader<\/p>\n

io.reader \u4e0e strings.reader \u7684\u5173\u8054<\/strong><\/p>\n

io.reader \u662f go \u4e2d\u8868\u793a\u8bfb\u53d6\u64cd\u4f5c\u7684\u63a5\u53e3\uff0c\u5b9a\u4e49\u5982\u4e0b\uff1a<\/p>\n

type reader interface {\n    read(p []byte) (n int, err error)\n}<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u800c strings.reader \u662f strings \u5305\u4e2d\u8868\u793a\u5b57\u7b26\u4e32\u9605\u8bfb\u5668\u7684\u4e00\u4e2a\u7ed3\u6784\u4f53\uff0c\u5b9a\u4e49\u5982\u4e0b\uff1a<\/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
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u4e4d\u4e00\u770b\uff0cio.reader \u548c strings.reader \u4f3c\u4e4e\u6ca1\u6709\u76f4\u63a5\u5173\u7cfb\uff0c\u4e00\u4e2a\u63a5\u53e3\uff0c\u4e00\u4e2a\u7ed3\u6784\u4f53\u3002\u4f46\u5b9e\u9645\u4e0a\uff0cstrings.reader \u5b9e\u73b0\u4e86 io.reader \u63a5\u53e3\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u5b9e\u73b0\u4e86 read \u65b9\u6cd5\u3002<\/p>\n
\u56e0\u6b64\uff0c\u5728\u4efb\u4f55\u63a5\u53d7 io.reader \u5bf9\u8c61\u4f5c\u4e3a\u53c2\u6570\u7684\u5730\u65b9\uff0c\u90fd\u53ef\u4ee5\u4f20\u5165 strings.reader\u3002\u5c31\u50cf\u793a\u4f8b\u4e2d\u8c03\u7528 bufio.newreader(r) \u4e00\u6837\uff0c\u5c3d\u7ba1 r \u662f strings.reader\uff0c\u4f46\u4ecd\u7136\u53ef\u4ee5\u4f20\u5165\uff0c\u56e0\u4e3a strings.reader \u5b9e\u73b0\u4e86 io.reader \u63a5\u53e3\u3002<\/p>\n
\u8fd9\u4f7f\u4f60\u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u4f5c\u4e3a\u6570\u636e\u6e90\u4f20\u9012\u7ed9\u9700\u8981 io.reader \u5bf9\u8c61\u7684\u51fd\u6570\u6216\u65b9\u6cd5\u3002\u8981\u505a\u5230\u8fd9\u4e00\u70b9\uff0c\u53ea\u9700\u521b\u5efa\u4e00\u4e2a strings.reader \u5bf9\u8c61\u5e76\u5c06\u5b57\u7b26\u4e32\u4f20\u9012\u7ed9\u5176 newreader \u65b9\u6cd5\u5373\u53ef\u3002\u4f8b\u5982\uff1a<\/p>\n
r := strings.NewReader(\"hello world !\")\nreader := bufio.NewReader(r)<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u4f60\u53ef\u4ee5\u5229\u7528 io.reader \u7684\u5f3a\u5927\u529f\u80fd\u6765\u5904\u7406\u5b57\u7b26\u4e32\u6570\u636e\uff0cio.reader \u8d1f\u8d23\u5904\u7406\u5e95\u5c42\u8bfb\u53d6\u64cd\u4f5c\uff0c\u800c strings.reader \u8d1f\u8d23\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5b57\u8282\u6d41\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662fstrings.Reader \u5982\u4f55\u4e0e io.Reader \u63a5\u53e3\u5173\u8054\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
io.reader \u4e0e strings.reader \u7684\u5173\u8054 io.reader \u662f go \u4e2d\u8868\u793a\u8bfb\u53d6\u64cd\u4f5c\u7684\u63a5\u53e3\uff0c\u5b9a\u4e49\u5982\u4e0b\uff1a type reader interface { read(p []byte) (n int, err error) } \u767b\u5f55\u540e\u590d\u5236 \u800c strings.reader \u662f strings \u5305\u4e2d\u8868\u793a\u5b57\u7b26\u4e32\u9605\u8bfb\u5668\u7684\u4e00\u4e2a\u7ed3\u6784\u4f53\uff0c\u5b9a\u4e49\u5982\u4e0b\uff1a type reader struct { s string i int64 \/\/ current reading index prevrune int \/\/ index of previous rune; or < 0 } \u767b\u5f55\u540e\u590d\u5236 \u4e4d\u4e00\u770b\uff0cio.reader \u548c strings.reader \u4f3c\u4e4e\u6ca1\u6709\u76f4\u63a5\u5173\u7cfb\uff0c\u4e00\u4e2a\u63a5\u53e3\uff0c\u4e00\u4e2a\u7ed3\u6784\u4f53\u3002\u4f46\u5b9e\u9645\u4e0a\uff0cstrings.reader \u5b9e\u73b0\u4e86 io.reader […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-946","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/946","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=946"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/946\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=946"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=946"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=946"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}