{"id":204763,"date":"2025-05-29T14:40:35","date_gmt":"2025-05-29T06:40:35","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204763\/"},"modified":"2025-05-29T14:40:35","modified_gmt":"2025-05-29T06:40:35","slug":"%e8%b4%b4%e5%90%a7%e5%9b%be%e7%89%87%e6%ad%a3%e5%88%99%e8%a1%a8%e8%be%be%e5%bc%8f%e5%8c%b9%e9%85%8d%e5%87%ba%e9%94%99%ef%bc%9a%e5%a6%82%e4%bd%95%e8%a7%a3%e5%86%b3-typeerror-expected-string-or-bytes-l","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204763\/","title":{"rendered":"\u8d34\u5427\u56fe\u7247\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u51fa\u9519\uff1a\u5982\u4f55\u89e3\u51b3 TypeError: expected string or bytes-like object \u9519\u8bef\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u8d34\u5427\u56fe\u7247\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u51fa\u9519\uff1a\u5982\u4f55\u89e3\u51b3 TypeError: expected string or bytes-like object \u9519\u8bef\uff1f<\/h1>\n<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241115\/173166124567370dbd72228.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u8d34\u5427\u56fe\u7247\u51fa\u9519<\/strong><\/p>\n<p>\u5728\u7f16\u5199\u6b63\u5219\u8868\u8fbe\u5f0f\u65f6\uff0c\u5339\u914d\u8d34\u5427\u56fe\u7247\u7684 url \u65f6\u51fa\u73b0 typeerror: expected string or bytes-like object \u9519\u8bef\u3002\u8fd9\u4e2a\u95ee\u9898\u51fa\u5728\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u4f7f\u7528\u53cd\u5411\u5f15\u7528\u65f6\uff0c\u5176\u4e2d\u4e00\u4e2a\u53cd\u5411\u5f15\u7528\u5c06\u4e00\u4e2a\u5b57\u7b26\u4e32\u548c\u4e00\u4e2a group \u8fdb\u884c\u4e86\u8fde\u63a5\uff0c\u5bfc\u81f4\u51fa\u73b0\u4e86\u9519\u8bef\u3002<\/p>\n<p><strong>\u95ee\u9898\u793a\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u6b63\u5219\u8868\u8fbe\u5f0f\u8bd5\u56fe\u5339\u914d\u5e26\u6709 width \u6216 height \u5c5e\u6027\u7684\u8d34\u5427\u56fe\u7247 url\uff1a<\/p>\n<pre>re.compile('r&amp;lt;img.+?src=\"(.+?\\.jpg)\" (width|height)')<\/pre>\n<p>\u6267\u884c\u6b64\u6b63\u5219\u8868\u8fbe\u5f0f\u4f1a\u5bfc\u81f4\u9519\u8bef\uff1a<\/p>\n<pre>typeerror: expected string or bytes-like object<\/pre>\n<p><strong>\u539f\u56e0<\/strong><\/p>\n<p>\u9519\u8bef\u7684\u539f\u56e0\u662f\uff0c\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u7684\u7b2c\u4e8c\u4e2a\u53cd\u5411\u5f15\u7528\u5c06\u8868\u793a\u5bbd\u5ea6\u6216\u9ad8\u5ea6\u5c5e\u6027\u503c\u7684 group (width|height) \u4e0e\u5b57\u7b26\u4e32 &#8220;&lt;img.+?src=&#8221;(.+?.jpg)&#8221; width&#8221; \u8fde\u63a5\u5728\u4e00\u8d77\u3002\u5728 python \u4e2d\uff0c\u5b57\u7b26\u4e32\u548c group \u65e0\u6cd5\u8fde\u63a5\u3002<\/p>\n<p><strong>\u89e3\u51b3\u65b9\u6848<\/strong><\/p>\n<p>\u8981\u89e3\u51b3\u6b64\u95ee\u9898\uff0c\u9700\u8981\u4f7f\u7528\u9002\u5f53\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u8bed\u6cd5\u6765\u8fde\u63a5\u5b57\u7b26\u4e32\u548c group\u3002\u6b63\u786e\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u5982\u4e0b\uff1a<\/p>\n<pre>re.compile('r&amp;lt;img.+?src=\"(.+?\\.jpg)\" \"(width|height)\"')<\/pre>\n<p>\u5728\u8fd9\u4e2a\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\uff0c\u5b57\u7b26\u4e32 &#8220;&lt;img.+?src=&#8221;(.+?.jpg)&#8221; &#8221; \u4e0e group (width|height) \u4f7f\u7528\u53cc\u5f15\u53f7\u8fde\u63a5\u3002\u53cc\u5f15\u53f7\u8868\u793a\u8fde\u63a5\u5b57\u7b26\u4e32\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300a\u8d34\u5427\u56fe\u7247\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u51fa\u9519\uff1a\u5982\u4f55\u89e3\u51b3 TypeError: expected string or bytes-like object \u9519\u8bef\uff1f\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8d34\u5427\u56fe\u7247\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u51fa\u9519\uff1a\u5982\u4f55&#46;&#46;&#46;<\/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-204763","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204763","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=204763"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204763\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204763"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204763"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204763"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}