{"id":2995,"date":"2016-01-13T16:08:50","date_gmt":"2016-01-13T08:08:50","guid":{"rendered":"https:\/\/www.ecjtu.com\/keith\/archives\/2995"},"modified":"2016-01-13T16:08:50","modified_gmt":"2016-01-13T08:08:50","slug":"html5%e5%bc%80%e5%8f%91%e4%b8%adaccess-control-allow-origin%e8%b7%a8%e5%9f%9f%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"https:\/\/www.ecjtu.com\/keith\/archives\/2995","title":{"rendered":"HTML5\u5f00\u53d1\u4e2dAccess-Control-Allow-Origin\u8de8\u57df\u95ee\u9898"},"content":{"rendered":"<p>\u4eca\u5929\u51c6\u5907\u901a\u8fc7JavaScript\u7684\u65b9\u5f0f\u8c03\u7528\u95ee\u8bf4\u95ee\u7b54\u7684\u5185\u5bb9\uff0c\u7531\u4e8e\u4f7f\u7528\u7684\u4e0d\u540c\u7684\u4e8c\u7ea7\u57df\u540d\uff0c\u9047\u5230\u4e86\u4e00\u4e2a\u8de8\u57df\u95ee\u9898\uff0c\u867d\u7136\u53ef\u4ee5\u4f7f\u7528<span style=\"color: #ff0000;\">\u670d\u52a1\u5668\u4ee3\u7406<\/span>JSON\u6216\u8005XML\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u4f46\u662f\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7<code>Access-Control-Allow-Origin<\/code>\u89e3\u51b3\u8de8\u57df\u95ee\u9898\uff0c\u4e0b\u9762\u4e00\u8d77\u6765\u770b\u770b<code>Access-Control-Allow-Origin<\/code>\u8de8\u57df\u95ee\u9898\u7684\u89e3\u51b3\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"title-0\">\u4ec0\u4e48\u662f\u8de8\u57df\uff1f<\/h2>\n<p>\u987e\u540d\u601d\u4e49\uff0c\u8de8\u57df\u5c31\u662f\u4e0d\u540c\u7684\u57df\u540d\u4e0b\u7684\u8d44\u6e90\u8bbf\u95ee\uff0c\u4f1a\u88ab\u6d4f\u89c8\u5668\u7684\u672c\u5730\u5b89\u5168\u7b56\u7565\u963b\u6b62\uff0c\u4f8b\u5982www.uedsc.com\u53bbAJAX\u8bf7\u6c42\u4e00\u4e2awenda.uedsc.com\u7684\u8d44\u6e90\uff0c\u4ed6\u4eec\u5b9e\u9645\u4e0a\u662f\u4e0d\u540c\u7684\u4e24\u4e2a\u4e8c\u7ea7\u57df\u540d\uff0c\u9876\u7ea7\u57df\u540d\u662fuedsc.com\uff0c\u5c31\u4f1a\u51fa\u73b0\u8de8\u57df\u8bbf\u95ee\u95ee\u9898\u3002<\/p>\n<p>\u4e0b\u9762\u7684\u8fd9\u5f20\u8868\u683c\u53ef\u4ee5\u6e05\u6670\u89e3\u91ca\u90a3\u4e9b\u5c5e\u4e8e\u8de8\u57df\uff0c\u90a3\u65f6\u4e0d\u662f\u5c5e\u4e8e\u8de8\u57df<\/p>\n<table>\n<tbody>\n<tr>\n<th>URL<\/th>\n<th>\u8bf4\u660e<\/th>\n<th>\u662f\u5426\u5141\u8bb8\u901a\u4fe1<\/th>\n<\/tr>\n<tr>\n<td>http:\/\/www.a.com\/a.js<br 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The \u2018Access-Control-Allow-Origin\u2019 header has a value \u2018http:\/\/A.abc.org\/\u2019 that is not equal to the supplied origin. Origin \u2018http:\/\/A.abc.org\u2019 is therefore not allowed access.<\/p><\/blockquote>\n<p><code>header('Access-Control-Allow-Origin:*');<\/code>\u662fhtml5\u65b0\u589e\u7684\u4e00\u9879\u6807\u51c6\u529f\u80fd\uff0c\u56e0\u6b64 IE10\u4ee5\u4e0b\u7248\u672c\u7684\u6d4f\u89c8\u5668\u662f\u4e0d\u652f\u6301\u7684\uff0c\u56e0\u6b64\uff0c\u5982\u679c\u8981\u6c42\u517c\u5bb9IE9\u6216\u66f4\u4f4e\u7248\u672c\u7684ie\u6d4f\u89c8\u5668\uff0c\u4f1a\u5bfc\u81f4\u4f7f\u7528\u6b64\u79cd\u65b9\u5f0f\u7684\u8de8\u57df\u8bf7\u6c42\u4ee5\u53ca\u4f20\u9012<code>Cookie<\/code>\u7684\u8ba1\u5212\u592d\u6298\uff0c\u6700\u7ec8\u8fd8\u5f97\u56de\u5f52JSONP\uff0c\u76ee\u524d\u4e3b\u6d41 \u7684\u5904\u7406\u65b9\u5f0f\u662f\u4f7f\u7528JSONP\uff0c\u6613\u4e8e\u5b9e\u73b0\uff0c\u517c\u5bb9\u6027\u597d\uff0c\u53ef\u67e5\u7684\u8d44\u6599\u4e5f\u5f88\u591a\u3002<\/p>\n<p>\u8de8\u57df\u89e3\u51b3\u540e\uff0c\u5982\u679c\u8fd8\u8981\u64cd\u4f5c<code>Cookie<\/code>\uff0c\u8fd8\u5f97\u7ee7\u7eed\u8865\u589e\u54cd\u5e94\u5934\uff1a<\/p>\n<pre class=\"lang:php decode:true\">header('Access-Control-Allow-Credentials:true');<\/pre>\n<p>\u9700\u8981\u5c06 XMLHttpRequest \u5bf9\u8c61\u7684 <code>withCredentials<\/code> \u5c5e\u6027\u8bbe\u7f6e\u4e3a <code>true<\/code>\uff0cJQuery1.5.1+ \u5c31\u5f00\u59cb\u63d0\u4f9b\u4e86\u76f8\u5e94\u7684\u5b57\u6bb5\uff0c\u4f7f\u7528\u65b9\u5f0f\u5982\u4e0b\uff1a<\/p>\n<pre class=\"lang:js decode:true\">$.ajax({\r\n    url:\"B.abc.com\",\r\n    xhrFields:{\r\n        withCredentials:true\r\n    },\r\n    crossDomain:true\r\n});<\/pre>\n<p>\u8bbe\u7f6e <code>withCredentials<\/code> \u4e3a <code>true<\/code> \u7684\u8bf7\u6c42\u4e2d\u4f1a\u5305\u542b A.abc.com\u7aef\u7684\u6240\u6709<code>Cookie<\/code>\uff0c\u8fd9\u4e9b<code>Cookie<\/code>\u4ecd\u7136\u9075\u5faa\u540c\u6e90\u7b56\u7565\uff0c\u6240\u4ee5\uff0c\u4f60\u53ea\u80fd\u8bbf\u95ee\u5176\u4e2d\u548c abc.com\/B\u540c\u6839\u57df\u7684Cookie\uff0c\u800c\u65e0\u6cd5\u8bbf\u95ee\u5176\u4ed6\u57df\u7684Cookie\u3002<\/p>\n<p><code>Access-Control-Allow-Origin<\/code>\u5b9e\u5219\u662fhtml5 Cross-Origin Resource Sharing\u5b9e\u73b0\u7684\u6700\u91cd\u8981\u7684\u4e00\u70b9\u53c2\u6570\u914d\u7f6e\u3002<br \/>\nCross-Origin Resource Sharing\uff0c\u8de8\u57df\u8d44\u6e90\u5171\u4eab\uff0c\u7b80\u79f0 CORS\uff0c\u53ef\u4ee5\u4f5c\u4e3a\u4e00\u79cd\u8de8\u57df\u8bf7\u6c42\u4ee5\u53ca\u54cd\u5e94\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<h3 id=\"title-3\">\u9644\uff1a\u7981\u7528\u6d4f\u89c8\u5668\u5b89\u5168\u7b56\u7565<\/h3>\n<p>\u7981\u7528chrome\u672c\u5730\u5b89\u5168\u7b56\u7565,\u4e0d\u7528\u914d\u670d\u52a1\u5668\u73af\u5883\u4e5f\u80fd\u53d1\u8d77ajax\u8bf7\u6c42\uff1a<br \/>\nchrome \u684c\u9762\u5feb\u6377\u952e \u53f3\u952e\u5c5e\u6027 \u5728\u5feb\u6377\u65b9\u5f0f\u6807\u7b7e\u4e0b\u7684\u201c\u76ee\u6807\u201d\u6846\u4e2d\u52a0\u5165 <code>--disable-web-security<\/code>\uff0c\u91cd\u542f\u6d4f\u89c8\u5668\u5373\u53ef<\/p>\n<p>\u6765\u6e90\uff1a\u95ee\u8bf4\u7f51\u00a0<a href=\"http:\/\/www.uedsc.com\/access-control-allow-origin.html\" target=\"_blank\">http:\/\/www.uedsc.com\/access-control-allow-origin.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4eca\u5929\u51c6\u5907\u901a\u8fc7JavaScript\u7684\u65b9\u5f0f\u8c03\u7528\u95ee\u8bf4\u95ee\u7b54\u7684\u5185\u5bb9\uff0c\u7531\u4e8e\u4f7f\u7528\u7684\u4e0d\u540c\u7684\u4e8c\u7ea7\u57df\u540d\uff0c\u9047\u5230\u4e86\u4e00\u4e2a\u8de8\u57df\u95ee\u9898\uff0c\u867d\u7136\u53ef [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[66],"tags":[922,921],"_links":{"self":[{"href":"https:\/\/www.ecjtu.com\/keith\/wp-json\/wp\/v2\/posts\/2995"}],"collection":[{"href":"https:\/\/www.ecjtu.com\/keith\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ecjtu.com\/keith\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ecjtu.com\/keith\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ecjtu.com\/keith\/wp-json\/wp\/v2\/comments?post=2995"}],"version-history":[{"count":1,"href":"https:\/\/www.ecjtu.com\/keith\/wp-json\/wp\/v2\/posts\/2995\/revisions"}],"predecessor-version":[{"id":2996,"href":"https:\/\/www.ecjtu.com\/keith\/wp-json\/wp\/v2\/posts\/2995\/revisions\/2996"}],"wp:attachment":[{"href":"https:\/\/www.ecjtu.com\/keith\/wp-json\/wp\/v2\/media?parent=2995"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ecjtu.com\/keith\/wp-json\/wp\/v2\/categories?post=2995"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ecjtu.com\/keith\/wp-json\/wp\/v2\/tags?post=2995"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}