{"id":203863,"date":"2025-05-22T09:45:20","date_gmt":"2025-05-22T01:45:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203863\/"},"modified":"2025-05-22T09:45:20","modified_gmt":"2025-05-22T01:45:20","slug":"%e5%89%8d%e7%ab%af%e5%a6%82%e4%bd%95%e5%a4%84%e7%90%86%e5%90%8e%e7%ab%af%e8%bf%94%e5%9b%9e%e7%9a%84blob%e5%9b%be%e7%89%87%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203863\/","title":{"rendered":"\u524d\u7aef\u5982\u4f55\u5904\u7406\u540e\u7aef\u8fd4\u56de\u7684Blob\u56fe\u7247\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u524d\u7aef\u5982\u4f55\u5904\u7406\u540e\u7aef\u8fd4\u56de\u7684Blob\u56fe\u7247\uff1f<\/h1>\n<p>\u4eca\u5929\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u524d\u7aef\u5982\u4f55\u5904\u7406\u540e\u7aef\u8fd4\u56de\u7684Blob\u56fe\u7247\uff1f\u300b<\/span>\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u662f\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u6216\u8005\u5df2\u7ecf\u662f\u5927\u4f6c\u7ea7\u522b\u4e86\uff0c\u90fd\u975e\u5e38\u6b22\u8fce\u4e5f\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u7ed9\u6211\u5efa\u8bae\u8bc4\u8bba\u54c8~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241129\/1732847813674928c57ee08.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u524d\u7aef\u5904\u7406\u540e\u7aef\u8fd4\u56de blob \u56fe\u7247<\/strong><\/p>\n<p>\u524d\u7aef\u5728\u63a5\u6536\u540e\u7aef\u8fd4\u56de\u7684 blob \u56fe\u7247\u65f6\uff0c\u9700\u8981\u8fdb\u884c\u4e00\u4e9b\u5904\u7406\u6b65\u9aa4\u624d\u80fd\u663e\u793a\u56fe\u7247\u3002<\/p>\n<p><strong>\u751f\u6210 src<\/strong><\/p>\n<p>\u8981\u751f\u6210\u56fe\u7247\u7684 src \u5c5e\u6027\uff0c\u53ef\u4ee5\u4f7f\u7528 blob url \u5bf9\u8c61\u3002blob url \u662f\u4e00\u4e2a\u6307\u5411 blob \u5bf9\u8c61\u7684\u4e34\u65f6 url\uff0c\u53ef\u7528\u4e8e\u5728 html \u5143\u7d20\u4e2d\u663e\u793a blob\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u751f\u6210 blob url\uff1a<\/p>\n<pre>const bloburl = url.createobjecturl(blob);<\/pre>\n<p><strong>\u63a5\u53e3\u8fd4\u56de\u7684\u5185\u5bb9<\/strong><\/p>\n<p>\u540e\u7aef\u8fd4\u56de\u7684 blob \u5185\u5bb9\u901a\u5e38\u662f\u4e8c\u8fdb\u5236\u6570\u636e\u3002\u5728\u5c06\u5176\u8f6c\u6362\u4e3a\u53ef\u663e\u793a\u7684\u56fe\u50cf\u4e4b\u524d\uff0c\u9700\u8981\u5c06\u5176\u8f6c\u6362\u4e3a base64 \u7f16\u7801\u3002base64 \u7f16\u7801\u662f\u4e00\u79cd\u5c06\u4e8c\u8fdb\u5236\u6570\u636e\u8f6c\u6362\u4e3a ascii \u5b57\u7b26\u4e32\u7684\u65b9\u5f0f\u3002<\/p>\n<pre>const base64image = window.btoa(blob);<\/pre>\n<p><strong>\u663e\u793a\u56fe\u7247<\/strong><\/p>\n<p>\u5c06 blob url \u548c base64 \u7f16\u7801\u7684\u56fe\u7247\u5b57\u7b26\u4e32\u5e94\u7528\u5230 html \u5143\u7d20\u7684 src \u5c5e\u6027\u540e\uff0c\u5373\u53ef\u663e\u793a\u56fe\u7247\uff1a<\/p>\n<pre>&lt;img src={blobUrl} alt=\"Generated Image\" \/&gt;<\/pre>\n<p><strong>\u66ff\u4ee3\u65b9\u6848<\/strong><\/p>\n<p>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u5c06 blob \u76f4\u63a5\u8f6c\u6362\u4e3a base64 \u7f16\u7801\u5e76\u5728\u670d\u52a1\u7aef\u8fd4\u56de\u53ef\u80fd\u66f4\u52a0\u65b9\u4fbf\u3002\u8fd9\u6837\u4e00\u6765\uff0c\u524d\u7aef\u5c31\u4e0d\u9700\u8981\u8fdb\u884c\u989d\u5916\u7684\u5904\u7406\u6b65\u9aa4\u3002\u6839\u636e\u670d\u52a1\u7aef\u8bed\u8a00\u548c\u6846\u67b6\u7684\u4e0d\u540c\uff0c\u5b9e\u73b0\u65b9\u6cd5\u4e5f\u4f1a\u6709\u6240\u4e0d\u540c\u3002<\/p>\n<p>\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300a\u524d\u7aef\u5982\u4f55\u5904\u7406\u540e\u7aef\u8fd4\u56de\u7684Blob\u56fe\u7247\uff1f\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u7aef\u5982\u4f55\u5904\u7406\u540e\u7aef\u8fd4\u56de\u7684Blob\u56fe&#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-203863","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203863","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=203863"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203863\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203863"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203863"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203863"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}