{"id":229648,"date":"2023-12-25T07:17:15","date_gmt":"2023-12-24T23:17:15","guid":{"rendered":"https:\/\/www.idc.net\/help\/229648\/"},"modified":"2023-12-25T07:17:15","modified_gmt":"2023-12-24T23:17:15","slug":"iis%e7%8a%b6%e6%80%81%e7%a0%81-412-precondition-failed%ef%bc%88%e5%89%8d%e6%8f%90%e6%9d%a1%e4%bb%b6%e5%a4%b1%e8%b4%a5%ef%bc%89","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/229648\/","title":{"rendered":"IIS\u72b6\u6001\u7801 &#8211; 412 Precondition Failed\uff08\u524d\u63d0\u6761\u4ef6\u5931\u8d25\uff09"},"content":{"rendered":"<p><title id=\"iis%e7%8a%b6%e6%80%81%e7%a0%81-412-precondition-failed%ef%bc%88%e5%89%8d%e6%8f%90%e6%9d%a1%e4%bb%b6%e5%a4%b1%e8%b4%a5%ef%bc%89-QbUdVYbAsr\">IIS\u72b6\u6001\u7801 - 412 Precondition Failed\uff08\u524d\u63d0\u6761\u4ef6\u5931\u8d25\uff09<\/title><\/p>\n<h1 id=\"iis%e7%8a%b6%e6%80%81%e7%a0%81-412-precondition-failed%ef%bc%88%e5%89%8d%e6%8f%90%e6%9d%a1%e4%bb%b6%e5%a4%b1%e8%b4%a5%ef%bc%89-QbUdVYbAsr\">IIS\u72b6\u6001\u7801 - 412 Precondition Failed\uff08\u524d\u63d0\u6761\u4ef6\u5931\u8d25\uff09<\/h1>\n<p>\u5728\u4e92\u8054\u7f51\u5e94\u7528\u5f00\u53d1\u4e2d\uff0c\u7ecf\u5e38\u4f1a\u9047\u5230\u5404\u79cd\u72b6\u6001\u7801\uff0c\u8fd9\u4e9b\u72b6\u6001\u7801\u7528\u4e8e\u8868\u793a\u670d\u52a1\u5668\u5bf9\u8bf7\u6c42\u7684\u5904\u7406\u7ed3\u679c\u3002\u5176\u4e2d\uff0cIIS\uff08Internet Information Services\uff09\u662f\u5fae\u8f6f\u5f00\u53d1\u7684\u4e00\u79cdWeb\u670d\u52a1\u5668\u8f6f\u4ef6\uff0c\u5b83\u4e5f\u5b9a\u4e49\u4e86\u4e00\u7cfb\u5217\u7684\u72b6\u6001\u7801\u3002\u672c\u6587\u5c06\u91cd\u70b9\u4ecb\u7ecdIIS\u72b6\u6001\u7801\u4e2d\u7684412 Precondition Failed\uff08\u524d\u63d0\u6761\u4ef6\u5931\u8d25\uff09\u3002<\/p>\n<h2 id=\"%e4%bb%80%e4%b9%88%e6%98%af412-precondition-failed%ef%bc%9f-QbUdVYbAsr\">\u4ec0\u4e48\u662f412 Precondition Failed\uff1f<\/h2>\n<p>412 Precondition Failed\u662f\u4e00\u79cdHTTP\u72b6\u6001\u7801\uff0c\u8868\u793a\u670d\u52a1\u5668\u5728\u5904\u7406\u8bf7\u6c42\u65f6\uff0c\u53d1\u73b0\u8bf7\u6c42\u4e2d\u7684\u524d\u63d0\u6761\u4ef6\u4e0d\u6ee1\u8db3\uff0c\u56e0\u6b64\u65e0\u6cd5\u5b8c\u6210\u8bf7\u6c42\u3002<\/p>\n<p>\u5728HTTP\u534f\u8bae\u4e2d\uff0c\u5ba2\u6237\u7aef\u53ef\u4ee5\u5728\u8bf7\u6c42\u5934\u4e2d\u6dfb\u52a0\u6761\u4ef6\uff0c\u4ee5\u786e\u4fdd\u670d\u52a1\u5668\u53ea\u6709\u5728\u6ee1\u8db3\u8fd9\u4e9b\u6761\u4ef6\u7684\u60c5\u51b5\u4e0b\u624d\u4f1a\u5904\u7406\u8bf7\u6c42\u3002\u5982\u679c\u670d\u52a1\u5668\u53d1\u73b0\u8bf7\u6c42\u4e2d\u7684\u524d\u63d0\u6761\u4ef6\u4e0d\u6ee1\u8db3\uff0c\u5c31\u4f1a\u8fd4\u56de412 Precondition Failed\u72b6\u6001\u7801\u3002<\/p>\n<h2 id=\"412-precondition-failed%e7%9a%84%e5%b8%b8%e8%a7%81%e5%8e%9f%e5%9b%a0-QbUdVYbAsr\">412 Precondition Failed\u7684\u5e38\u89c1\u539f\u56e0<\/h2>\n<p>412 Precondition Failed\u72b6\u6001\u7801\u901a\u5e38\u51fa\u73b0\u5728\u4ee5\u4e0b\u60c5\u51b5\u4e0b\uff1a<\/p>\n<ul>\n<li>\u6761\u4ef6\u8bf7\u6c42\u5934\u4e0d\u6ee1\u8db3\uff1a\u5ba2\u6237\u7aef\u5728\u8bf7\u6c42\u5934\u4e2d\u6dfb\u52a0\u4e86\u6761\u4ef6\uff0c\u4f46\u670d\u52a1\u5668\u53d1\u73b0\u8fd9\u4e9b\u6761\u4ef6\u4e0d\u6ee1\u8db3\u3002<\/li>\n<li>\u8d44\u6e90\u5df2\u88ab\u4fee\u6539\uff1a\u5ba2\u6237\u7aef\u5728\u8bf7\u6c42\u5934\u4e2d\u6dfb\u52a0\u4e86\u6761\u4ef6\uff0c\u4f46\u670d\u52a1\u5668\u53d1\u73b0\u8d44\u6e90\u5728\u5ba2\u6237\u7aef\u53d1\u9001\u8bf7\u6c42\u4e4b\u540e\u5df2\u7ecf\u88ab\u4fee\u6539\u3002<\/li>\n<li>\u7f3a\u5c11\u5fc5\u8981\u7684\u8bf7\u6c42\u5934\uff1a\u5ba2\u6237\u7aef\u6ca1\u6709\u63d0\u4f9b\u670d\u52a1\u5668\u9700\u8981\u7684\u5fc5\u8981\u8bf7\u6c42\u5934\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%a7%a3%e5%86%b3412-precondition-failed%e9%94%99%e8%af%af%ef%bc%9f-QbUdVYbAsr\">\u5982\u4f55\u89e3\u51b3412 Precondition Failed\u9519\u8bef\uff1f<\/h2>\n<p>\u8981\u89e3\u51b3412 Precondition Failed\u9519\u8bef\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n<ol>\n<li>\u68c0\u67e5\u6761\u4ef6\u8bf7\u6c42\u5934\uff1a\u786e\u4fdd\u5ba2\u6237\u7aef\u5728\u8bf7\u6c42\u5934\u4e2d\u6dfb\u52a0\u7684\u6761\u4ef6\u662f\u6b63\u786e\u7684\uff0c\u5e76\u4e14\u6ee1\u8db3\u670d\u52a1\u5668\u7684\u8981\u6c42\u3002<\/li>\n<li>\u68c0\u67e5\u8d44\u6e90\u72b6\u6001\uff1a\u5982\u679c\u5ba2\u6237\u7aef\u5728\u8bf7\u6c42\u5934\u4e2d\u6dfb\u52a0\u4e86\u6761\u4ef6\uff0c\u4f46\u670d\u52a1\u5668\u53d1\u73b0\u8d44\u6e90\u5df2\u88ab\u4fee\u6539\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u91cd\u65b0\u83b7\u53d6\u6700\u65b0\u7684\u8d44\u6e90\u72b6\u6001\uff0c\u5e76\u66f4\u65b0\u8bf7\u6c42\u5934\u4e2d\u7684\u6761\u4ef6\u3002<\/li>\n<li>\u63d0\u4f9b\u5fc5\u8981\u7684\u8bf7\u6c42\u5934\uff1a\u786e\u4fdd\u5ba2\u6237\u7aef\u63d0\u4f9b\u4e86\u670d\u52a1\u5668\u9700\u8981\u7684\u5fc5\u8981\u8bf7\u6c42\u5934\u3002<\/li>\n<\/ol>\n<h2 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a0%81-QbUdVYbAsr\">\u793a\u4f8b\u4ee3\u7801<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u6f14\u793a\u4e86\u5982\u4f55\u5904\u7406412 Precondition Failed\u9519\u8bef\uff1a<\/p>\n<pre><code>\nconst request = new XMLHttpRequest();\nrequest.open('GET', 'https:\/\/www.example.com\/api\/resource');\nrequest.setRequestHeader('If-None-Match', '123456789');\nrequest.onreadystatechange = function() {\n  if (request.readyState === 4) {\n    if (request.status === 200) {\n      \/\/ \u8bf7\u6c42\u6210\u529f\n      console.log(request.responseText);\n    } else if (request.status === 412) {\n      \/\/ \u524d\u63d0\u6761\u4ef6\u5931\u8d25\n      console.log('Precondition Failed');\n    } else {\n      \/\/ \u5176\u4ed6\u9519\u8bef\n      console.log('Error:', request.status);\n    }\n  }\n};\nrequest.send();\n<\/code><\/pre>\n<h2 id=\"%e6%80%bb%e7%bb%93-QbUdVYbAsr\">\u603b\u7ed3<\/h2>\n<p>412 Precondition Failed\u662f\u4e00\u79cd\u8868\u793a\u670d\u52a1\u5668\u5728\u5904\u7406\u8bf7\u6c42\u65f6\u53d1\u73b0\u524d\u63d0\u6761\u4ef6\u4e0d\u6ee1\u8db3\u7684HTTP\u72b6\u6001\u7801\u3002\u8981\u89e3\u51b3\u8fd9\u4e2a\u9519\u8bef\uff0c\u9700\u8981\u68c0\u67e5\u6761\u4ef6\u8bf7\u6c42\u5934\u3001\u8d44\u6e90\u72b6\u6001\u548c\u5fc5\u8981\u7684\u8bf7\u6c42\u5934\u3002\u5982\u679c\u60a8\u6b63\u5728\u5bfb\u627e\u53ef\u9760\u7684\u670d\u52a1\u5668\u63d0\u4f9b\u5546\uff0c\u540e\u6d6a\u4e91\u662f\u4e00\u4e2a\u4e0d\u9519\u7684\u9009\u62e9\u3002\u4ed6\u4eec\u63d0\u4f9b\u9999\u6e2f\u670d\u52a1\u5668\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7<a href=\"https:\/\/idc.net\">https:\/\/idc.net<\/a>\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>IIS\u72b6\u6001\u7801 - 412 Precondition Failed\uff08\u524d\u63d0\u6761\u4ef6\u5931\u8d25\uff09 IIS\u72b6\u6001\u7801 - 412 P [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[40],"tags":[],"class_list":["post-229648","post","type-post","status-publish","format-standard","hentry","category-iis"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/229648","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=229648"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/229648\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=229648"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=229648"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=229648"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}