{"id":277,"date":"2023-08-30T14:33:07","date_gmt":"2023-08-30T06:33:07","guid":{"rendered":"https:\/\/support.foxitsoftware.cn\/?p=277"},"modified":"2024-10-31T09:43:10","modified_gmt":"2024-10-31T01:43:10","slug":"article-slug-257","status":"publish","type":"post","link":"https:\/\/support.fuxinsoft.cn\/?p=277","title":{"rendered":"\u8c03\u7528\u63a5\u53e3openPDFBuHttpRangeRequest\u6253\u5f00PDF\u6587\u4ef6\u65f6\uff0c\u63d0\u793a\u201c\u6587\u4ef6\u683c\u5f0f\u53ef\u80fd\u65e0\u6548\u6216\u635f\u574f\u201d(\u201cThe file format may be invalid or corrupted.\u201d)"},"content":{"rendered":"\n<p><strong>\u539f\u56e0\u4e00<\/strong>\uff1aCORS\u95ee\u9898\uff0c\u9700\u8981\u4fee\u6539\u6587\u4ef6\u670d\u52a1\u5668\u4e0a\u7684\u914d\u7f6e\uff0c\u5141\u8bb8\u8de8\u57df\u8bf7\u6c42\u6587\u4ef6\u8d44\u6e90<br><strong>\u539f\u56e0\u4e8c<\/strong>\uff1a\u6587\u4ef6\u5b58\u50a8\u670d\u52a1\u5668\u7aef\u7684\u914d\u7f6e\u53c2\u6570\u95ee\u9898\uff0c\u6ca1\u6709\u652f\u6301\u5206\u7247\u8fd4\u56de\u6570\u636e\uff0c\u5bfc\u81f4\u524d\u7aef\u63a5\u6536\u5230\u7684\u6570\u636e\u53ea\u6709\u4e00\u90e8\u5206\uff08\u4e00\u4e2a206\u8bf7\u6c42\uff09\uff0c\u9700\u8981\u5728\u6587\u4ef6\u670d\u52a1\u5668\u7684http\u670d\u52a1\u914d\u7f6e\u9879\u4e2d \u5f00\u542f\u6216\u66b4\u9732\u4ee5\u4e0bHeaders\uff08Access-Control-Expose-Headers\uff09\uff1a content-range, content-length, accept-ranges<\/p>\n\n\n\n<p>\u5efa\u8bae\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5982\u679c\u662f\u539f\u56e0\u4e00\u5bfc\u81f4\u7684\uff0c\u5219\u53ea\u80fd\u901a\u8fc7\u76ee\u6807\u670d\u52a1\u5668\u5bf9\u8de8\u57df\u8bf7\u6c42\u7684\u653e\u884c\u6765\u89e3\u51b3\u95ee\u9898\uff1b<\/li>\n\n\n\n<li>\u5982\u679c\u662f\u539f\u56e0\u4e8c\u5bfc\u81f4\u7684\uff0c\u5efa\u8bae\u8054\u7cfb\u6587\u4ef6\u670d\u52a1\u5668\u7684\u8fd0\u7ef4\u65b9\uff0c\u4fee\u6539\u76f8\u5173\u914d\u7f6e\u9879\uff0c\u8ba9\u5176\u652f\u6301\u6587\u4ef6\u7684\u5206\u7247\u8bf7\u6c42\uff0c\u4f46\u5982\u679c\u6587\u4ef6\u670d\u52a1\u5668\u7aef\u65e0\u6cd5\u914d\u7f6e\u5206\u7247\u8bf7\u6c42\u7684\u76f8\u5173\u53c2\u6570\uff0c\u5219\u53ef\u4ee5\u8003\u8651\u4f7f\u7528loadPDFDocByHttpRangeRequest\u548copenPDFByFile\u63a5\u53e3\u914d\u5408\u7684\u65b9\u5f0f\u89c4\u907f\u8be5\u95ee\u9898\uff0c\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code has-body-font-family has-medium-font-size\"><code>try{\n    var fileURL = \"http:\/\/domain\/filePATH\/xxxx.pdf\";\n    \/\/\u5c06\u7f51\u7edcPDF\u52a0\u8f7d\u5230\u6d4f\u89c8\u5668\u5185\u5b58\u4e2d\n    var pdfdoc = await pdfui.loadPDFDocByHttpRangeRequest({range: {url: fileURL}});\n    \/\/\u5982\u679cPDF\u6587\u4ef6\u6d41\u6b63\u5e38\uff0c\u5219\u5728PDFUI\u5b9e\u4f8b\u4e2d\u5c06\u6587\u4ef6\u6e32\u67d3\u5c55\u793a\u51fa\u6765\n    pdfui.reopenPDFDoc(pdfdoc);\n}catch(error){\n    \/\/\u5982\u679c\u52a0\u8f7dPDF\u6587\u4ef6\u6d41\u65f6\u4e0d\u6b63\u5e38\uff0c\u5219\u6355\u83b7\u5f02\u5e38\uff0c\u6839\u636e\u5f02\u5e38\u7684\u5206\u7c7b\uff0c\u505a\u51fa\u5bf9\u5e94\u7684\u5e94\u7528\u5c42\u5904\u7406\n    console.log(error); \/\/error=2  format error , error=3 wrong password , error=11 security handler error\n    if(error.code == 2){\n        \/\/\u6587\u4ef6\u670d\u52a1\u5668\u53ef\u80fd\u4e0d\u652f\u6301\u5206\u7247\u8bf7\u6c42\uff0c\u6539\u4e3a\u5148\u83b7\u53d6\u5b8c\u6574\u6587\u4ef6\u6d41\uff0c\u518d\u5728PDFUI\u5b9e\u4f8b\u4e2d\u6e32\u67d3\u5c55\u793a\u6587\u4ef6\u7684\u65b9\u5f0f\u8fdb\u884c\n        fetch(fileURL).then(function(response) {\n            response.arrayBuffer().then(function(buffer) {\n                pdfui.openPDFByFile(buffer);\n            })\n        })\n    }else if(error.code == 3){\n        console.log(\"please input a password of the file\");\n    }\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u539f\u56e0\u4e00\uff1aCORS\u95ee\u9898\uff0c\u9700\u8981\u4fee\u6539\u6587\u4ef6\u670d\u52a1\u5668\u4e0a\u7684\u914d\u7f6e\uff0c\u5141\u8bb8\u8de8\u57df\u8bf7\u6c42\u6587\u4ef6\u8d44\u6e90\u539f\u56e0\u4e8c\uff1a\u6587\u4ef6\u5b58\u50a8\u670d\u52a1\u5668\u7aef\u7684\u914d\u7f6e\u53c2\u6570\u95ee\u9898\uff0c [&hellip;]<\/p>\n","protected":false},"author":32,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[67],"tags":[],"class_list":["post-277","post","type-post","status-publish","format-standard","hentry","category-websdk"],"pp_statuses_selecting_workflow":false,"pp_workflow_action":"current","pp_status_selection":"publish","_links":{"self":[{"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=\/wp\/v2\/posts\/277","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=\/wp\/v2\/users\/32"}],"replies":[{"embeddable":true,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=277"}],"version-history":[{"count":2,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=\/wp\/v2\/posts\/277\/revisions"}],"predecessor-version":[{"id":3234,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=\/wp\/v2\/posts\/277\/revisions\/3234"}],"wp:attachment":[{"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=277"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=277"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/support.fuxinsoft.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=277"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}