{"id":7374,"date":"2018-02-09T00:29:10","date_gmt":"2018-02-08T16:29:10","guid":{"rendered":"http:\/\/www.zhangxinxu.com\/wordpress\/?p=7374"},"modified":"2018-02-09T00:29:10","modified_gmt":"2018-02-08T16:29:10","slug":"cors-ajax-xmlhttprequest-php","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2018\/02\/cors-ajax-xmlhttprequest-php\/","title":{"rendered":"CORS ajax\u8de8\u57df\u8bf7\u6c42php\u7b80\u5355\u5b8c\u6574\u6848\u4f8b\u4e00\u5219"},"content":{"rendered":"

by zhangxinxu<\/a> from http:\/\/www.zhangxinxu.com\/wordpress\/?p=7374<\/a>
\n\u672c\u6587\u53ef\u968f\u4fbf\u8f6c\u8f7d\uff0c\u4f46\u9700\u8981\u4fdd\u7559\u539f\u4f5c\u8005\u548c\u51fa\u5904\u3002<\/p>\n

\u4e00\u3001CORS: Cross-Origin Resource Sharing<\/h3>\n

CORS\u662fCross-Origin Resource Sharing\u7684\u7f29\u5199\uff0c\u8868\u793a\u8de8\u57df\u7684\u8d44\u6e90\u5206\u4eab\uff0c\u4e0d\u4ec5\u53ef\u4ee5\u8de8\u5b50\u57df\uff0c\u5c31\u7b97\u57df\u540d\u957f\u5f97\u5b8c\u5168\u4e0d\u4e00\u6837\uff0c\u4e5f\u53ef\u4ee5\u8fdb\u884c\u8d44\u6e90\u83b7\u53d6\u3002<\/p>\n

\u6bd4\u8f83\u5e38\u89c1\u7684\u5e94\u7528\u4e4b\u4e00\u5c31\u662fAjax\u8de8\u57df\u8bf7\u6c42\u6570\u636e\u3002<\/p>\n

\u8fd9\u4e2a\u7279\u6027IE11\u5f00\u59cb\u652f\u6301\uff1a<\/p>\n

\"ajax<\/p>\n

\u548c\u80a1\u5e02\u4e00\u6837\uff0c\u5927\u597d\u6cb3\u5c71\u4e00\u7247\u7eff\uff0c\u9752\u9752\u8349\u539f\u6f2b\u65e0\u8fb9\u3002<\/p>\n

\u4e8c\u3001ajax\u8de8\u57df\u8bf7\u6c42\u7684header\u8bbe\u7f6e\u548c\u6848\u4f8b<\/h3>\n

\u548c\u4f20\u7edfajax\u8bf7\u6c42\u76f8\u6bd4\uff0cajax\u8de8\u57df\u8bf7\u6c42\u7684\u5076\u5c14\u5de5\u4f5c\u91cf\u4e3b\u8981\u5728\u6570\u636e\u63a5\u6536\u65b9\u90a3\u4e00\u7aef\uff0c\u4e5f\u5c31\u662f\u5728\u670d\u52a1\u5668\u7aef\u8bbe\u7f6e\u3002<\/p>\n

\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u5047\u8bbe\u6211\u4eec\u670d\u52a1\u7aef\u4f7f\u7528\u7684\u662f\u4e16\u754c\u4e0a\u6700\u597d\u7684\u8bed\u8a00PHP\uff0c\u4e14ajax\u8bf7\u6c42\u9875\u9762\u7684\u540d\u79f0\u662fcors-ajax.php\uff0c\u90a3\u4e48\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u6b64PHP\u9875\u9762\u8fdb\u884c\u5982\u4e0bheader<\/code>\u8bbe\u7f6e\uff1a<\/p>\n

\/\/ \u8bbe\u7f6e\u5141\u8bb8\u5176\u4ed6\u57df\u540d\u8bbf\u95ee<\/span>\nheader('Access-Control-Allow-Origin:*');  \n\/\/ \u8bbe\u7f6e\u5141\u8bb8\u7684\u54cd\u5e94\u7c7b\u578b<\/span> \nheader('Access-Control-Allow-Methods:POST, GET');  \n\/\/ \u8bbe\u7f6e\u5141\u8bb8\u7684\u54cd\u5e94\u5934<\/span> \nheader('Access-Control-Allow-Headers:x-requested-with,content-type'); <\/pre>\n
Access-Control-Allow-Origin:*<\/code>\u8868\u793a\u4efb\u4f55\u57df\u540d\u8bf7\u6c42\u6211\uff0c\u6211\u90fd\u4e0d\u4f1a\u5c06\u522b\u4eba\u62d2\u4e4b\u5343\u91cc\u4e4b\u5916\u3002\u901a\u5e38\u5b9e\u9645\u5f00\u53d1\u7684\u65f6\u5019\uff0c\u6211\u4eec\u8fd9\u91cc\u4f1a\u8bbe\u7f6e\u4fe1\u4efb\u7684\u57df\u540d\uff0c\u4f8b\u5982\uff1a<\/p>\n
header('Access-Control-Allow-Origin:http:\/\/www.iknowu.com');<\/pre>\n
\u5982\u679c\u662f\u591a\u4e2a\u57df\u540d\uff0c\u53ef\u4ee5\u4f7f\u7528\u82f1\u6587\u9017\u53f7\u8fdb\u884c\u5206\u9694\uff0c\u548c\u4e0a\u9762Access-Control-Allow-Methods<\/code>\u7684\u4e66\u5199\u683c\u5f0f\u4e00\u81f4\u3002<\/p>\n
\u53ea\u8981\u5728PHP\u9875\u9762\u4e2d\u8fdb\u884c\u4e86\u4e0a\u9762\u8bbe\u7f6e\uff0c\u5269\u4e0b\u7684\u5de5\u4f5c\u5c31\u548c\u4f20\u7edf\u7684ajax\u8bf7\u6c42\u57fa\u672c\u4e0a\u6ca1\u6709\u4efb\u4f55\u533a\u522b\u3002<\/p>\n
\u4f8b\u5982\u4ec0\u4e48\u4e5f\u4e0d\u5e72\uff0c\u5c31\u968f\u673a\u8fd4\u56de\u4e00\u4e2a\u5c0f\u7f8e\u5973\u7684\u56fe\u7247\u5730\u5740\uff1a<\/p>\n
<?php\n\/\/ \u521a\u51fa\u73b0\u7684\u90a3\u4e9bheader... <\/span>\n\necho 'http:\/\/image.zhangxinxu.com\/image\/study\/s\/s128\/mm'. rand(1,20) .'.jpg'; \n?><\/pre>\n
\u6b64\u65f6\u6211\u4eec\u968f\u968f\u4fbf\u4fbf\u5efa\u4e00\u4e2aHTML\u9875\u9762\uff0c\u5199\u4e0b\u4e0b\u9762\u8fd9\u6bb5\u6781\u7b80\u7684XMLHttpRequest\u8bf7\u6c42JS\u4ee3\u7801\uff1a<\/p>\n
var xhr = new XMLHttpRequest();\nxhr.open('post', 'http:\/\/www.zhangxinxu.com\/study\/201802\/cros-ajax.php');\nxhr.onload = function () {\n    console.log(xhr.responseText);\n};\nxhr.send(null);<\/pre>\n
\u6211\u4eec\u5c31\u80fd\u8bf7\u6c42\u5230cors-ajax.php\u968f\u673a\u8fd4\u56de\u7684\u56fe\u7247\u5730\u5740\u3002<\/p>\n
\u773c\u89c1\u4e3a\u5b9e\uff0c\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1aCORS ajax\u8de8\u57df\u8bf7\u6c42\u6d4b\u8bd5demo\/<\/a><\/p>\n
\u53ef\u4ee5\u770b\u5230\uff0c\u6211\u4eec\u7684demo\u6d4b\u8bd5\u9875\u9762\u5730\u5740\u662f\uff1ahttp:\/\/zxx.xiliz.com\/cors-ajax<\/a><\/p>\n
\u4e5f\u5c31\u662f\u57df\u540d\u662fzxx.xiliz.com\uff0c\u800c\u8bf7\u6c42\u7684php\u9875\u9762\u57df\u540d\u662fwww.zhangxinxu.com\uff0c\u5178\u578b\u7684\u8de8\u57df\u8bf7\u6c42\u573a\u666f\uff0c\u4e0b\u9762\u770b\u770b\u4f1a\u53d1\u751f\u4ec0\u4e48\uff1a<\/p>\n
\u70b9\u51fbdemo\u9875\u9762\u4e0a\u6309\u94ae\uff0c\u7136\u540e\u5f53\u5f53\u5f53\u5f53\uff1a<\/p>\n
\"\u8de8\u57dfajax\u8bf7\u6c42\u6210\u529f\u622a\u56fe\"<\/p>\n
\u6210\u529f\u8bf7\u6c42\u5230\u4e86\u968f\u673a\u56fe\u7247\u5730\u5740\uff0c\u5e76\u5728\u9875\u9762\u4e0a\u5448\u73b0\u51fa\u6765\u3002<\/p>\n
\u5662\u8036\uff01<\/p>\n
\u4e09\u3001\u7ed3\u675f\u8bed<\/h3>\n
\u5c0f\u800c\u7f8e\u5b9e\u7528\u6848\u4f8b\u4e00\u5219\uff0c\u7ed9\u81ea\u5df1\u5907\u4e2a\u5fd8\u3002<\/p>\n
\u6211\u84e6\u7136\u4e00\u770b\uff0c\u65f6\u95f4\u8fd8\u7b97\u65e9\uff0c\u8981\u4e0d\u518d\u968f\u4fbf\u626f\u70b9\u5176\u4ed6\uff0c\u521a\u53c8\u4e70\u4e86\u4e2a\u57df\u540dcanvasapi.cn\uff0c\u6253\u7b97\u641e\u4e2acanvasapi\u4e2d\u6587\u6587\u6863\uff0c\u4e0d\u8fc7\u5e94\u8be5\u62bd\u4e0d\u51fa\u90a3\u4e48\u591a\u65f6\u95f4\uff0c\u8fd9\u4e2a\u8ba1\u521290%+\u4f1a\u6d41\u4ea7\uff0c\u8fd8\u662f\u7b49\u4ee5\u540e\u518d\u8bf4\u5427\u3002<\/p>\n
\u4e0b\u5468\u5c31\u8981\u8fc7\u5e74\u4e86\u63d0\u524d\u795d\u5927\u5bb6\u6c6a\u5e74\u5feb\u4e50\uff0c\u4e07\u4e8b\u5982\u610f\u3002<\/p>\n
<\/p>\n
\u672c\u6587\u4e3a\u539f\u521b\u6587\u7ae0\uff0c\u4f1a\u7ecf\u5e38\u66f4\u65b0\u77e5\u8bc6\u70b9\u4ee5\u53ca\u4fee\u6b63\u4e00\u4e9b\u9519\u8bef\uff0c\u56e0\u6b64\u8f6c\u8f7d\u8bf7\u4fdd\u7559\u539f\u51fa\u5904\uff0c\u65b9\u4fbf\u6eaf\u6e90\uff0c\u907f\u514d\u9648\u65e7\u9519\u8bef\u77e5\u8bc6\u7684\u8bef\u5bfc\uff0c\u540c\u65f6\u6709\u66f4\u597d\u7684\u9605\u8bfb\u4f53\u9a8c\u3002
\n\u672c\u6587\u5730\u5740\uff1ahttp:\/\/www.zhangxinxu.com\/wordpress\/?p=7374<\/a><\/p>\n
\uff08\u672c\u7bc7\u5b8c\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"
CORS\u662fCross-Origin Resource Sharing\u7684\u7f29\u5199\uff0c\u8868\u793a\u8de8\u57df\u7684\u8d44\u6e90\u5206\u4eab\uff0c\u4e0d\u4ec5\u53ef\u4ee5\u8de8\u5b50\u57df\uff0c\u5c31\u7b97\u57df\u540d\u957f\u5f97\u5b8c\u5168\u4e0d\u4e00\u6837\uff0c\u4e5f\u53ef\u4ee5\u8fdb\u884c\u8d44\u6e90\u83b7\u53d6\u3002<\/p>\n
\u6bd4\u8f83\u5e38\u89c1\u7684\u5e94\u7528\u4e4b\u4e00\u5c31\u662fAjax\u8de8\u57df\u8bf7\u6c42\u6570\u636e\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[180],"tags":[214,1215,1216,219,875,1217],"_links":{"self":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/7374"}],"collection":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/comments?post=7374"}],"version-history":[{"count":0,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/7374\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/media?parent=7374"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/categories?post=7374"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/tags?post=7374"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}