{"id":69100,"date":"2022-04-02T13:50:54","date_gmt":"2022-04-02T05:50:54","guid":{"rendered":"http:\/\/www.xiaoyebailong.com\/?p=69100"},"modified":"2022-04-21T13:51:33","modified_gmt":"2022-04-21T05:51:33","slug":"%e5%b0%8f%e7%a8%8b%e5%ba%8f%e7%94%9f%e6%88%90%e4%ba%8c%e7%bb%b4%e7%a0%81%e5%87%ba%e7%8e%b0%e9%94%99%e8%af%aftypeerror-cannot-read-property-_src-of-undefined","status":"publish","type":"post","link":"http:\/\/www.xiaoyebailong.com\/index.php\/2022\/04\/02\/69100.htm","title":{"rendered":"\u5c0f\u7a0b\u5e8f\u751f\u6210\u4e8c\u7ef4\u7801\u51fa\u73b0\u9519\u8befTypeError: Cannot read property '_src' of undefined"},"content":{"rendered":"<p>MiniProgramError<\/p>\n<p>Cannot read property &#8216;_src&#8217; of undefined<\/p>\n<p>TypeError: Cannot read property &#8216;_src&#8217; of undefined<\/p>\n<p>at bl.&lt;computed&gt;.e.useHardwareAccelerate [as drawImage] (eval at n.call.document (<a rel=\"nofollow\" href=\"http:\/\/127.0.0.1:14008\/remote-debug\/runtime.js?devtools_ignore=true:1:14919\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/127.0.0.1:14008\/remote-debug\/runtime.js?devtools_ignore=true:1:14919<\/a>), &lt;anonymous&gt;:2:1097717)<\/p>\n<p>at bl.r.&lt;computed&gt; [as drawImage] (eval at n.call.document (<a rel=\"nofollow\" href=\"http:\/\/127.0.0.1:14008\/remote-debug\/runtime.js?devtools_ignore=true:1:14919\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/127.0.0.1:14008\/remote-debug\/runtime.js?devtools_ignore=true:1:14919<\/a>), &lt;anonymous&gt;:2:1125864)<\/p>\n<p>at eval (weapp:\/\/\/pages\/ptIndex\/ptIndex.js:654:21)<\/p>\n<p>at success (weapp:\/\/\/utils\/base64src.js:31:7)<\/p>\n<p>at eu (eval at n.call.document (<a rel=\"nofollow\" href=\"http:\/\/127.0.0.1:14008\/remote-debug\/runtime.js?devtools_ignore=true:1:14919\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/127.0.0.1:14008\/remote-debug\/runtime.js?devtools_ignore=true:1:14919<\/a>), &lt;anonymous&gt;:2:1123943)<\/p>\n<p>at a.success (eval at n.call.document (<a rel=\"nofollow\" href=\"http:\/\/127.0.0.1:14008\/remote-debug\/runtime.js?devtools_ignore=true:1:14919\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/127.0.0.1:14008\/remote-debug\/runtime.js?devtools_ignore=true:1:14919<\/a>), &lt;anonymous&gt;:2:1126088)<\/p>\n<p>at &lt;api writeFile success callback function&gt;<\/p>\n<p>at Object.eval [as success] (eval at n.call.document (<a rel=\"nofollow\" href=\"http:\/\/127.0.0.1:14008\/remote-debug\/runtime.js?devtools_ignore=true:1:14919\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/127.0.0.1:14008\/remote-debug\/runtime.js?devtools_ignore=true:1:14919<\/a>), &lt;anonymous&gt;:2:113735)<\/p>\n<p>at a (eval at n.call.document (<a rel=\"nofollow\" href=\"http:\/\/127.0.0.1:14008\/remote-debug\/runtime.js?devtools_ignore=true:1:14919\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/127.0.0.1:14008\/remote-debug\/runtime.js?devtools_ignore=true:1:14919<\/a>), &lt;anonymous&gt;:2:939697)<\/p>\n<p>at eval (eval at n.call.document (<a rel=\"nofollow\" href=\"http:\/\/127.0.0.1:14008\/remote-debug\/runtime.js?devtools_ignore=true:1:14919\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/127.0.0.1:14008\/remote-debug\/runtime.js?devtools_ignore=true:1:14919<\/a>), &lt;anonymous&gt;:2:939880)<\/p>\n<p>&nbsp;<\/p>\n<p>\u7c7b\u4f3c\u8fd9\u6837\u7684\u9519\u8bef\u4e0b\u9762\u662f\u89e3\u51b3\u529e\u6cd5\uff0c\u505a\u4e2a\u5224\u65ad<\/p>\n<p>drawImage()\u65b9\u6cd5\u7684src\u53ef\u80fd\u4e3aundefined\uff0c\u5728\u8c03\u7528drawImage()\u524d\u505a\u4e00\u5c42\u5224\u65ad\u8bd5\u8bd5\u3002<\/p>\n<p>imageUrl &amp;&amp; ctx.drawImage(imageUrl&#8230;)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MiniProgramError Cannot read property &#8216;_src&#8217; of undefined TypeError: Cannot read property &#8216;_src&#8217;&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[589,413],"topic":[],"class_list":["post-69100","post","type-post","status-publish","format-standard","hentry","category-wx","tag-589","tag-413"],"_links":{"self":[{"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/posts\/69100","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/comments?post=69100"}],"version-history":[{"count":1,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/posts\/69100\/revisions"}],"predecessor-version":[{"id":69101,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/posts\/69100\/revisions\/69101"}],"wp:attachment":[{"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/media?parent=69100"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/categories?post=69100"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/tags?post=69100"},{"taxonomy":"topic","embeddable":true,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/topic?post=69100"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}