{"id":15967,"date":"2024-07-17T10:49:39","date_gmt":"2024-07-17T02:49:39","guid":{"rendered":"https:\/\/92it.top\/?p=15967"},"modified":"2024-07-17T12:55:59","modified_gmt":"2024-07-17T04:55:59","slug":"%e4%bb%80%e4%b9%88%e6%98%af-cors-%ef%bc%9f%e4%b8%80%e6%96%87%e6%90%9e%e6%87%82-cors-%e8%b7%a8%e5%9f%9f%e5%8e%9f%e7%90%86%ef%bc%81%e7%ae%80%e5%8d%95%e8%af%b7%e6%b1%82%e4%bb%80%e4%b9%88%e6%98%af-cors","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=15967","title":{"rendered":"\u4ec0\u4e48\u662f CORS \uff1f\u4e00\u6587\u641e\u61c2 CORS \u8de8\u57df\u539f\u7406\uff01"},"content":{"rendered":"\n<p>\u8f6c\u8f7d\uff1a<a href=\"https:\/\/mp.weixin.qq.com\/s?__biz=MzIwNDAyOTI2Nw==&amp;mid=2247498346&amp;idx=1&amp;sn=60c4449de7a5e90bd0df56c1205d9697&amp;chksm=96c4d656a1b35f40eaa0beb450a5105172bf59c06ab5a0f9c4e497eedce64917c276a9376a02&amp;cur_album_id=2818595943724974083&amp;scene=190#rd\">\u4ec0\u4e48\u662f CORS \uff1f\u4e00\u6587\u641e\u61c2 CORS \u8de8\u57df\u539f\u7406\uff01<\/a><\/p>\n\n\n\n<p>\u5728\u505a Web \u5f00\u53d1\u65f6\uff0cCORS \u8de8\u57df\u662f\u6211\u4eec\u7ecf\u5e38\u9047\u5230\u7684\u95ee\u9898\uff0c\u8fd9\u7bc7\u6587\u7ae0\uff0c\u6211\u4eec\u5c06\u4e00\u8d77\u5206\u6790\u4ec0\u4e48\u662f\u00a0CORS\uff1fCORS \u7684\u539f\u7406\u662f\u4ec0\u4e48\uff1f\u4e3a\u4ec0\u4e48\u9700\u8981\u00a0CORS\uff1f<\/p>\n\n\n\n<p><strong>1. \u4ec0\u4e48\u662f CORS?<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>CORS\uff0c\u5168\u79f0\u4e3a\u201c\u8de8\u57df\u8d44\u6e90\u5171\u4eab\u201d\uff08Cross-Origin Resource Sharing\uff09\uff0c\u662f\u4e00\u79cd\u673a\u5236\uff0c\u5b83\u4f7f\u7528\u989d\u5916\u7684 HTTP \u5934\u6765\u544a\u8bc9\u6d4f\u89c8\u5668\u5141\u8bb8\u4e00\u4e2a\u7f51\u9875\u4ece\u53e6\u4e00\u4e2a\u57df\uff08\u4e0d\u540c\u4e8e\u8be5\u7f51\u9875\u6240\u5728\u7684\u57df\uff09\u8bf7\u6c42\u8d44\u6e90\u3002\u8fd9\u6837\u53ef\u4ee5\u5728\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u4e4b\u95f4\u8fdb\u884c\u5b89\u5168\u7684\u8de8\u57df\u901a\u4fe1\u3002<\/p>\n\n\n\n<p>\u5f53\u4e00\u4e2a\u7f51\u9875\u5411\u4e0d\u540c\u6e90\u53d1\u51fa\u8bf7\u6c42\u65f6\uff0cCORS \u4f1a\u901a\u8fc7\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4\u6765\u5904\u7406\uff1a<\/p>\n\n\n\n<ul>\n<li>\u9884\u68c0\u8bf7\u6c42\uff08Preflight Request\uff09\uff1a\u5bf9\u4e8e\u67d0\u4e9b\u7c7b\u578b\u7684\u8bf7\u6c42\uff08\u5982\u4f7f\u7528 HTTP \u65b9\u6cd5 PUT\u3001DELETE\uff0c\u6216\u8005\u8bf7\u6c42\u5e26\u6709\u975e\u7b80\u5355\u5934\u90e8\uff09\uff0c\u6d4f\u89c8\u5668\u4f1a\u9996\u5148\u53d1\u9001\u4e00\u4e2a OPTIONS \u8bf7\u6c42\uff0c\u8fd9\u4e2a\u8bf7\u6c42\u79f0\u4e3a\u201c\u9884\u68c0\u8bf7\u6c42\u201d\u3002\u670d\u52a1\u5668\u6536\u5230\u8fd9\u4e2a\u8bf7\u6c42\u540e\uff0c\u4f1a\u8fd4\u56de\u4e00\u4e2a\u54cd\u5e94\u5934\u90e8\uff0c\u6307\u660e\u5b9e\u9645\u8bf7\u6c42\u662f\u5426\u88ab\u5141\u8bb8\u3002<\/li>\n\n\n\n<li>\u5b9e\u9645\u8bf7\u6c42\uff08Actual Request\uff09\uff1a\u5982\u679c\u9884\u68c0\u8bf7\u6c42\u901a\u8fc7\uff0c\u6d4f\u89c8\u5668\u4f1a\u7ee7\u7eed\u53d1\u9001\u5b9e\u9645\u7684\u8bf7\u6c42\u3002<\/li>\n\n\n\n<li>\u54cd\u5e94\u5934\u90e8\uff08Response Headers\uff09\uff1a\u670d\u52a1\u5668\u5728\u54cd\u5e94\u4e2d\u4f1a\u5305\u542b\u4e00\u4e9b\u7279\u5b9a\u7684 CORS \u5934\u90e8\uff0c\u5982 Access-Control-Allow-Origin\uff0c\u4ee5\u6307\u793a\u54ea\u4e9b\u57df\u540d\u53ef\u4ee5\u8bbf\u95ee\u8d44\u6e90\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>2. \u4ec0\u4e48\u662f Origin\uff1f<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>Origin\uff0c\u7ffb\u8bd1\u4e3a \u6e90\uff08\u57df\uff09\uff0c\u5728 CORS \u4e0a\u4e0b\u6587\u4e2d Origin \u7531\u4e09\u4e2a\u5143\u7d20\u7ec4\u6210\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">Origin = \u534f\u8bae + \u57df\u540d + \u7aef\u53e3<\/pre>\n\n\n\n<p>\u534f\u8bae\uff1a\u4f8b\u5982 http:\/\/ \u6216 https:\/\/ \u57df\u540d\uff1a\u4f8b\u5982 www.yuanjava.com \u7aef\u53e3\uff1a\u4f8b\u5982 80\uff08\u9ed8\u8ba4 HTTP \u7aef\u53e3\uff09\u3001443\uff08\u9ed8\u8ba4 HTTPs \u7aef\u53e3\uff09<\/p>\n\n\n\n<p>\u53ea\u6709\u4e0a\u8ff0\u4e09\u4e2a\u5143\u7d20\u90fd\u5339\u914d\u65f6\uff0c\u6211\u4eec\u624d\u4f1a\u8ba4\u4e3a\u4e24\u4e2a URL \u5177\u6709\u76f8\u540c\u7684\u6765\u6e90\uff0c\u5426\u5219\uff0c\u6709\u4efb\u4f55\u4e00\u4e2a\u4e0d\u76f8\u540c\u90fd\u8ba4\u4e3a\u4e0d\u540c\u6e90\u3002<\/p>\n\n\n\n<p><strong>3. \u540c\u6e90\u7b56\u7565<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u540c\u6e90\u7b56\u7565\uff08Same-Origin Policy, SOP\uff09\u662f\u6d4f\u89c8\u5668\u7684\u4e00\u79cd\u5b89\u5168\u673a\u5236\uff0c\u7528\u4e8e\u9632\u6b62\u6076\u610f\u7f51\u7ad9\u901a\u8fc7\u811a\u672c\u5bf9\u5176\u4ed6\u7f51\u7ad9\u7684\u5185\u5bb9\u8fdb\u884c\u8bbf\u95ee\u3002<\/p>\n\n\n\n<p>\u6240\u8c13\u201c\u540c\u6e90\u201d\uff0c\u662f\u6307\u534f\u8bae\u3001\u57df\u540d\u548c\u7aef\u53e3\u90fd\u76f8\u540c\u3002\u6bd4\u5982\uff0c\u4ee5\u4e0b URL \u5c5e\u4e8e\u540c\u6e90\u5730\u5740\uff1a<\/p>\n\n\n\n<ul>\n<li>https:\/\/yuanjava.com\/categories \u548c https:\/\/yuanjava.com\/archives<\/li>\n\n\n\n<li>https:\/\/yuanjava.com:443 \u548c https:\/\/yuanjava.com:443\/interview<\/li>\n<\/ul>\n\n\n\n<p><strong>4. \u8de8\u57df\u8bf7\u6c42<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u8de8\u57df\u8bf7\u6c42\u662f\u6307\u4ece\u4e00\u4e2a\u57df\u5411\u53e6\u4e00\u4e2a\u57df\u53d1\u8d77\u7684HTTP\u8bf7\u6c42\u3002<\/p>\n\n\n\n<p>\u5728\u73b0\u4ee3 Web \u5e94\u7528\u4e2d\uff0c\u8de8\u57df\u8bf7\u6c42\u975e\u5e38\u5e38\u89c1\uff0c\u6bd4\u5982\uff0c\u4ece\u524d\u7aef\u5e94\u7528\u5411\u4e0d\u540c\u7684\u540e\u7aef API \u670d\u52a1\u5668\u8bf7\u6c42\u6570\u636e\uff0c\u6216\u4ece\u4e00\u4e2a Web \u670d\u52a1\u8bf7\u6c42\u53e6\u4e00\u4e2a Web \u670d\u52a1\u7684\u8d44\u6e90\uff0c\u56e0\u4e3a\uff0c\u540c\u6e90\u7b56\u7565\u9ed8\u8ba4\u4f1a\u963b\u6b62\u8fd9\u4e9b\u8bf7\u6c42\uff0c\u6240\u4ee5\u9700\u8981 CORS \u673a\u5236\u6765\u663e\u5f0f\u5141\u8bb8\u8de8\u57df\u8bbf\u95ee\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b URL \u5219\u88ab\u8ba4\u4e3a\u662f\u8de8\u57df\u8bf7\u6c42\uff1a<\/p>\n\n\n\n<ul>\n<li>http:\/\/yuanjava.com \u548c https:\/\/yuanjava.com\uff08\u534f\u8bae\u4e0d\u540c\uff09<\/li>\n\n\n\n<li>http:\/\/yuanjava.com \u548c http:\/\/blog.yuanjava.com\uff08\u57df\u540d\u4e0d\u540c\uff09<\/li>\n\n\n\n<li>http:\/\/yuanjava.com:80 \u548c http:\/\/yuanjava.com:8080\uff08\u7aef\u53e3\u4e0d\u540c\uff09<\/li>\n<\/ul>\n\n\n\n<p>\u4e0b\u56fe\u663e\u793a\u4e86 CORS \u6d41\u7684\u4e3b\u8981\u53c2\u4e0e\u8005\uff1a<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"405\" src=\"https:\/\/92it.top\/wp-content\/uploads\/2024\/07\/image-159-1024x405.png\" alt=\"\" class=\"wp-image-15969\" style=\"width:550px;height:auto\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2024\/07\/image-159-1024x405.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2024\/07\/image-159-300x119.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2024\/07\/image-159-768x304.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2024\/07\/image-159-1536x608.png 1536w, https:\/\/92it.top\/wp-content\/uploads\/2024\/07\/image-159-830x329.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2024\/07\/image-159-230x91.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2024\/07\/image-159-350x139.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2024\/07\/image-159-480x190.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2024\/07\/image-159.png 1556w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p>\u4e0b\u56fe\u5c55\u793a\u4e86\u6d4f\u89c8\u5668\u9ed8\u8ba4\u5141\u8bb8\u540c\u6e90\u8bf7\u6c42\uff0c\u800c\u8de8\u57df\u8bf7\u6c42\u5219\u88ab\u963b\u6b62\uff1a<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/92it.top\/wp-content\/uploads\/2024\/07\/image-161-1024x682.png\" alt=\"\" class=\"wp-image-15971\" style=\"width:540px;height:auto\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2024\/07\/image-161-1024x682.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2024\/07\/image-161-300x200.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2024\/07\/image-161-768x512.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2024\/07\/image-161-830x553.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2024\/07\/image-161-230x153.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2024\/07\/image-161-350x233.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2024\/07\/image-161-480x320.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2024\/07\/image-161.png 1504w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p><strong>5. CORS \u5de5\u4f5c\u6d41\u7a0b<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>CORS \u901a\u8fc7\u5728 HTTP(s) \u8bf7\u6c42\u548c\u54cd\u5e94\u4e2d\u4f7f\u7528\u7279\u5b9a\u7684\u5934\u90e8\u5b57\u6bb5\u6765\u5b9e\u73b0\u8de8\u57df\u8d44\u6e90\u5171\u4eab\uff0c\u5177\u4f53\u6765\u8bf4\uff0cCORS \u5206\u4e3a\u4e24\u79cd\u7c7b\u578b\u7684\u8bf7\u6c42\u5904\u7406\u65b9\u5f0f\uff1a\u7b80\u5355\u8bf7\u6c42\u548c\u9884\u68c0\u8bf7\u6c42\u3002<\/p>\n\n\n\n<ul>\n<li><strong>\u7b80\u5355\u8bf7\u6c42<\/strong>\uff1a\u5bf9\u4e8e\u67d0\u4e9b\u7b80\u5355\u7684 HTTP \u8bf7\u6c42\uff08\u5982GET\u3001POST\u8bf7\u6c42\u4e14\u4e0d\u5305\u542b\u81ea\u5b9a\u4e49\u5934\u90e8\uff09\uff0c\u6d4f\u89c8\u5668\u4f1a\u76f4\u63a5\u53d1\u9001\u8bf7\u6c42\uff0c\u5e76\u5728\u54cd\u5e94\u4e2d\u68c0\u67e5 CORS \u5934\u90e8\u3002<\/li>\n\n\n\n<li><strong>\u9884\u68c0\u8bf7\u6c42<\/strong>\uff1a\u5bf9\u4e8e\u590d\u6742\u8bf7\u6c42\uff08\u5982\u4f7f\u7528PUT\u3001DELETE\u65b9\u6cd5\uff0c\u6216\u5305\u542b\u81ea\u5b9a\u4e49\u5934\u90e8\uff09\uff0c\u6d4f\u89c8\u5668\u4f1a\u9996\u5148\u53d1\u9001\u4e00\u4e2aOPTIONS\u8bf7\u6c42\uff0c\u79f0\u4e3a\u9884\u68c0\u8bf7\u6c42\uff08Preflight Request\uff09\uff0c\u4ee5\u786e\u5b9a\u670d\u52a1\u5668\u662f\u5426\u5141\u8bb8\u5b9e\u9645\u8bf7\u6c42\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u7b80\u5355\u8bf7\u6c42<\/strong><\/p>\n\n\n\n<p>\u7b80\u5355\u8bf7\u6c42\u662f\u6307\u6ee1\u8db3\u4ee5\u4e0b\u6761\u4ef6\u7684 HTTP \u8bf7\u6c42\uff1a<\/p>\n\n\n\n<ul>\n<li>\u4f7f\u7528GET\u3001POST\u3001HEAD\u65b9\u6cd5<\/li>\n\n\n\n<li>\u8bf7\u6c42\u5934\u90e8\u4ec5\u5305\u542b\u4ee5\u4e0b\u5b57\u6bb5\uff1aAccept\u3001Accept-Language\u3001Content-Language\u3001Content-Type\uff08\u4e14\u503c\u4e3aapplication\/x-www-form-urlencoded\u3001multipart\/form-data\u6216text\/plain\uff09<\/li>\n<\/ul>\n\n\n\n<p>\u5bf9\u4e8e\u7b80\u5355\u8bf7\u6c42\uff0c\u6d4f\u89c8\u5668\u4f1a\u76f4\u63a5\u53d1\u9001\u8bf7\u6c42\u5e76\u5728\u54cd\u5e94\u4e2d\u68c0\u67e5\u4ee5\u4e0b CORS \u5934\u90e8\uff1a<\/p>\n\n\n\n<ul>\n<li>Access-Control-Allow-Origin\uff1a\u6307\u793a\u5141\u8bb8\u8bbf\u95ee\u8d44\u6e90\u7684\u6e90\u3002<\/li>\n\n\n\n<li>Access-Control-Allow-Credentials\uff1a\u6307\u793a\u662f\u5426\u5141\u8bb8\u53d1\u9001\u51ed\u636e\uff08\u5982Cookies\uff09\u3002<\/li>\n\n\n\n<li>Access-Control-Expose-Headers\uff1a\u6307\u793a\u54ea\u4e9b\u5934\u90e8\u53ef\u4ee5\u4f5c\u4e3a\u54cd\u5e94\u7684\u4e00\u90e8\u5206\u88ab\u8bbf\u95ee\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u6bd4\u5982\uff0c\u4e0b\u9762\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n\n\n\n<p>\u5ba2\u6237\u7aef\u8bf7\u6c42\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">GET \/api\/data HTTP\/1.1\nHost: www.yuanjava.com\nOrigin: https:\/\/yuanjava.com<\/pre>\n\n\n\n<p>\u670d\u52a1\u5668\u54cd\u5e94\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">HTTP\/1.1 200 OK\nAccess-Control-Allow-Origin: https:\/\/yuanjava.com\nContent-Type: application\/json\n\n{\"message\": \"Hello, CORS!\"}<\/pre>\n\n\n\n<p><strong>\u9884\u68c0\u8bf7\u6c42<\/strong><\/p>\n\n\n\n<p>\u5bf9\u4e8e\u590d\u6742\u8bf7\u6c42\uff0c\u6d4f\u89c8\u5668\u4f1a\u9996\u5148\u53d1\u9001\u4e00\u4e2a <code>OPTIONS<\/code> \u8bf7\u6c42\uff0c\u5305\u542b\u4ee5\u4e0b\u5934\u90e8\u5b57\u6bb5\uff1a<\/p>\n\n\n\n<ul>\n<li>Origin\uff1a\u6307\u793a\u8bf7\u6c42\u7684\u6e90\u3002<\/li>\n\n\n\n<li>Access-Control-Request-Method\uff1a\u6307\u793a\u5b9e\u9645\u8bf7\u6c42\u5c06\u4f7f\u7528\u7684\u65b9\u6cd5\u3002<\/li>\n\n\n\n<li>Access-Control-Request-Headers\uff1a\u6307\u793a\u5b9e\u9645\u8bf7\u6c42\u5c06\u5305\u542b\u7684\u81ea\u5b9a\u4e49\u5934\u90e8\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u670d\u52a1\u5668\u6536\u5230\u9884\u68c0\u8bf7\u6c42\u540e\uff0c\u4f1a\u8fd4\u56de\u4e00\u4e2a\u54cd\u5e94\uff0c\u5305\u542b\u4ee5\u4e0b\u5934\u90e8\u5b57\u6bb5\u4ee5\u6307\u793a\u662f\u5426\u5141\u8bb8\u8bf7\u6c42\uff1a<\/p>\n\n\n\n<ul>\n<li>Access-Control-Allow-Origin\uff1a\u8868\u660e\u5141\u8bb8\u8bbf\u95ee\u8d44\u6e90\u7684\u6e90\uff0c\u53ef\u4ee5\u662f\u5177\u4f53\u7684\u6e90\u6216\u901a\u914d\u7b26 *\uff1b<\/li>\n\n\n\n<li>Access-Control-Allow-Methods\uff1a\u8868\u660e\u5141\u8bb8\u7684\u65b9\u6cd5\uff0c\u5982 GET, POST, PUT, DELETE\uff1b<\/li>\n\n\n\n<li>Access-Control-Allow-Headers\uff1a\u8868\u660e\u5141\u8bb8\u7684\u81ea\u5b9a\u4e49\u5934\u90e8\uff1b<\/li>\n\n\n\n<li>Access-Control-Allow-Credentials\uff1a\u8868\u660e\u662f\u5426\u5141\u8bb8\u53d1\u9001\u51ed\u636e\uff08\u5982 Cookies\uff09\uff1b<\/li>\n\n\n\n<li>Access-Control-Expose-Headers\uff1a\u8868\u660e\u54ea\u4e9b\u5934\u90e8\u53ef\u4ee5\u4f5c\u4e3a\u54cd\u5e94\u7684\u4e00\u90e8\u5206\u88ab\u8bbf\u95ee\uff1b<\/li>\n\n\n\n<li>Access-Control-Max-Age\uff1a\u8868\u660e\u9884\u68c0\u8bf7\u6c42\u7684\u7ed3\u679c\u53ef\u4ee5\u88ab\u7f13\u5b58\u7684\u65f6\u95f4\uff0c\u5355\u4f4d\u662f\u79d2\uff1b<\/li>\n<\/ul>\n\n\n\n<p>\u5982\u679c\u9884\u68c0\u8bf7\u6c42\u901a\u8fc7\uff0c\u6d4f\u89c8\u5668\u4f1a\u7ee7\u7eed\u53d1\u9001\u5b9e\u9645\u8bf7\u6c42\u3002<\/p>\n\n\n\n<p>\u6bd4\u5982\uff0c\u4e0b\u9762\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n\n\n\n<p>\u9884\u68c0\u8bf7\u6c42\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">OPTIONS \/api\/data HTTP\/1.1\nHost: api.yuanjava.com\nOrigin: https:\/\/yuanjava.com\nAccess-Control-Request-Method: PUT\nAccess-Control-Request-Headers: Content-Type<\/pre>\n\n\n\n<p>\u9884\u68c0\u54cd\u5e94\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">HTTP\/1.1 204 No Content\nAccess-Control-Allow-Origin: https:\/\/yuanjava.com\nAccess-Control-Allow-Methods: GET, POST, PUT\nAccess-Control-Allow-Headers: Content-Type\nAccess-Control-Allow-Credentials: true\nAccess-Control-Max-Age: 3600<\/pre>\n\n\n\n<p>\u5b9e\u9645\u8bf7\u6c42<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">PUT \/api\/data HTTP\/1.1\nHost: api.yuanjava.com\nOrigin: https:\/\/yuanjava.com\nContent-Type: application\/json\n\n{\"data\": \"example\"}<\/pre>\n\n\n\n<p>\u5b9e\u9645\u54cd\u5e94\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">HTTP\/1.1 200 OK\nAccess-Control-Allow-Origin: https:\/\/yuanjava.com\nContent-Type: application\/json\n\n{\"message\": \"Data updated\"}<\/pre>\n\n\n\n<p><strong>6. \u5982\u4f55\u5b9e\u73b0 CORS\uff1f<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>\u5ba2\u6237\u7aef\u5904\u7406<\/strong><\/p>\n\n\n\n<p>\u5ba2\u6237\u7aef\u53ef\u4ee5\u5411\u8fdc\u7a0b\u670d\u52a1\u5668\u53d1\u9001\u7b7e\u540d\u8bf7\u6c42\u3002<\/p>\n\n\n\n<p>\u5982\u4e0b\u793a\u4f8b\u4ee3\u7801\uff1a\u5728 CORS \u8bf7\u6c42\u4e2d\u4ee5 Authorization \u6807\u5934\u7684\u5f62\u5f0f\u53d1\u9001\u51ed\u636e\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">function sendAuthRequestToCrossOrigin() {\n    var xhr = new XMLHttpRequest();\n    xhr.onreadystatechange = function() {\n        if (this.readyState == 4 &amp;&amp; this.status == 200) {\n          document.getElementById(\"demo\").innerHTML = this.responseText;\n        }\n    };\n    xhr.open('GET', \"https:\/\/yuanjava:8000\/categories\", true);\n    xhr.setRequestHeader('Authorization', 'Bearer rtikkjhgffw456tfdd');\n    xhr.withCredentials = true;\n    xhr.send();\n}<\/pre>\n\n\n\n<p><strong>\u670d\u52a1\u5668\u7aef\u5904\u7406<\/strong><\/p>\n\n\n\n<p><strong>\u65b9\u6cd51\uff1a\u76f4\u63a5\u91c7\u7528 SpringBoot \u7684\u6ce8\u89e3 <code>@CrossOrigin<\/code><\/strong><\/p>\n\n\n\n<p>\u5982\u4e0b\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff0c\u53ef\u4ee5\u628a <code>@CrossOrigin<\/code> \u52a0\u5728\u6bcf\u4e2a Controller \u4e0a\uff0c\u4e5f\u53ef\u4ee5\u52a0\u5728\u5b83\u4eec\u7684\u516c\u5171\u7236\u7c7b\u4e0a\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@CrossOrigin\n@RestController\npublic class TestController extends BaseController {\n\n    \/\/  \u5176\u4ed6\u903b\u8f91\n}<\/pre>\n\n\n\n<p><strong>\u65b9\u6cd52: \u91c7\u7528\u8fc7\u6ee4\u5668\uff08filter\uff09\u7684\u65b9\u5f0f<\/strong><\/p>\n\n\n\n<p>\u5982\u4e0b\u793a\u4f8b\u4ee3\u7801\uff1a\u589e\u52a0\u4e00\u4e2a CORSFilter \u7c7b\uff0c\u5e76\u5b9e\u73b0 Filter \u63a5\u53e3\u5373\u53ef\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@Component\npublic class CORSFilter implements Filter {\n \n    @Override\n    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)\n            throws IOException, ServletException {\n        HttpServletResponse res = (HttpServletResponse) response;\n        res.addHeader(\"Access-Control-Allow-Credentials\", \"true\");\n        res.addHeader(\"Access-Control-Allow-Origin\", \"*\");\n        res.addHeader(\"Access-Control-Allow-Methods\", \"GET, POST, DELETE, PUT\");\n        res.addHeader(\"Access-Control-Allow-Headers\", \"Content-Type,X-CAF-Authorization-Token,sessionToken,X-TOKEN\");\n        if (((HttpServletRequest) request).getMethod().equals(\"OPTIONS\")) {\n            response.getWriter().println(\"ok\");\n            return;\n        }\n        chain.doFilter(request, response);\n    }\n    @Override\n    public void destroy() {\n    }\n    @Override\n    public void init(FilterConfig filterConfig) throws ServletException {\n    }\n}<\/pre>\n\n\n\n<p><strong>\u65b9\u6cd53: \u914d\u7f6e Configuration<\/strong><\/p>\n\n\n\n<p>\u5982\u4e0b\u793a\u4f8b\u4ee3\u7801\uff1a\u589e\u52a0\u4e00\u4e2a\u914d\u7f6e\u7c7b\u7ee7\u627f WebMvcConfigurerAdapter \u6216\u8005\u5b9e\u73b0 WebMvcConfigurer \u63a5\u53e3\uff0c\u9879\u76ee\u542f\u52a8\u65f6\uff0c\u4f1a\u81ea\u52a8\u8bfb\u53d6\u914d\u7f6e\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import org.springframework.context.annotation.Configuration;\nimport org.springframework.web.servlet.config.annotation.CorsRegistry;\nimport org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;\n@Configuration\npublic class CorsConfig extends WebMvcConfigurerAdapter {\n    static final String ORIGINS[] = new String[]{\"GET\", \"POST\", \"PUT\", \"DELETE\"};\n\n    @Override\n    public void addCorsMappings(CorsRegistry registry) {\n        registry.addMapping(\"\/**\").allowedOrigins(\"*\").allowCredentials(true).allowedMethods(ORIGINS).maxAge(3600);\n    }\n}<\/pre>\n\n\n\n<p>\u53e6\u5916\uff0c\u5728\u670d\u52a1\u5668\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u54cd\u5e94\u5934\u90e8\u6765\u7ec6\u7c92\u5ea6\u914d\u7f6e CORS\uff0c\u5177\u4f53\u7684\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p><strong>1.\u5141\u8bb8\u6240\u6709\u6e90\u8bbf\u95ee<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">HTTP\/1.1 200 OK\nAccess-Control-Allow-Origin: *<\/pre>\n\n\n\n<p><strong>2.\u5141\u8bb8\u7279\u5b9a\u6e90\u8bbf\u95ee<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">HTTP\/1.1 200 OK\nAccess-Control-Allow-Origin: https:\/\/yuanjava.com<\/pre>\n\n\n\n<p><strong>3.\u5141\u8bb8\u51ed\u636e\u8bf7\u6c42\u8bbf\u95ee<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">HTTP\/1.1 200 OK\nAccess-Control-Allow-Origin: https:\/\/yuanjava.com\nAccess-Control-Allow-Credentials: true<\/pre>\n\n\n\n<p><strong>4.\u5141\u8bb8\u7279\u5b9a\u65b9\u6cd5\u548c\u5934\u90e8<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">HTTP\/1.1 200 OK\nAccess-Control-Allow-Origin: https:\/\/yuanjava.com\nAccess-Control-Allow-Methods: GET, POST, PUT, DELETE\nAccess-Control-Allow-Headers: Content-Type, Authorization<\/pre>\n\n\n\n<p><strong>5.\u8bbe\u7f6e\u9884\u68c0\u8bf7\u6c42\u7684\u7f13\u5b58\u65f6\u95f4<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">HTTP\/1.1 200 OK\nAccess-Control-Allow-Origin: https:\/\/yuanjava.com\nAccess-Control-Allow-Methods: GET, POST, PUT, DELETE\nAccess-Control-Allow-Headers: Content-Type, Authorization\nAccess-Control-Max-Age: 3600  \/\/ 3600\u79d2<\/pre>\n\n\n\n<p>\u901a\u5e38\u6765\u8bf4\uff0c\u5728\u670d\u52a1\u5668\u89e3\u51b3 CORS\u662f\u4e00\u79cd\u6bd4\u8f83\u5e38\u89c1\u548c\u5f7b\u5e95\u7684\u65b9\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u670d\u52a1\u5668\u7075\u6d3b\u7684\u8bbe\u7f6e\u5141\u8bb8\u8de8\u57df\u8bbf\u95ee\u7684\u57df\u540d\u6216\u8005\u5730\u5740\u3002<\/p>\n\n\n\n<p><strong>7. \u5e38\u89c1\u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6848<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>\u95ee\u98981\uff1aNo &#8216;Access-Control-Allow-Origin&#8217; header is present on the requested resource<\/strong><\/p>\n\n\n\n<p><strong>\u95ee\u9898\u63cf\u8ff0<\/strong>\uff1a\u5f53\u6d4f\u89c8\u5668\u53d1\u8d77\u8de8\u57df\u8bf7\u6c42\u65f6\uff0c\u672a\u5728\u54cd\u5e94\u4e2d\u627e\u5230 Access-Control-Allow-Origin \u5934\u90e8\u3002<\/p>\n\n\n\n<p><strong>\u89e3\u51b3\u65b9\u6848<\/strong>\uff1a\u786e\u4fdd\u670d\u52a1\u5668\u7aef\u6b63\u786e\u8bbe\u7f6e\u4e86 Access-Control-Allow-Origin \u5934\u90e8\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">HTTP\/1.1 200 OK\nAccess-Control-Allow-Origin: https:\/\/yuanjava.com<\/pre>\n\n\n\n<p><strong>\u95ee\u98982\uff1aThe value of the &#8216;Access-Control-Allow-Origin&#8217; header in the response must not be the wildcard &#8216;*&#8217; when the request&#8217;s credentials mode is &#8216;include&#8217;<\/strong><\/p>\n\n\n\n<p><strong>\u95ee\u9898\u63cf\u8ff0<\/strong>\uff1a\u5f53\u8bf7\u6c42\u5305\u542b\u51ed\u636e\u65f6\uff0cAccess-Control-Allow-Origin \u5934\u90e8\u4e0d\u80fd\u8bbe\u7f6e\u4e3a\u901a\u914d\u7b26 *\u3002<\/p>\n\n\n\n<p><strong>\u89e3\u51b3\u65b9\u6848<\/strong>\uff1a\u660e\u786e\u6307\u5b9a\u5141\u8bb8\u7684\u6e90\uff0c\u5e76\u786e\u4fdd\u8bbe\u7f6e\u4e86 Access-Control-Allow-Credentials \u5934\u90e8\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">HTTP\/1.1 200 OK\nAccess-Control-Allow-Origin: https:\/\/yuanjava.com\nAccess-Control-Allow-Credentials: true<\/pre>\n\n\n\n<p><strong>\u95ee\u98983\uff1aCORS preflight channel did not succeed<\/strong><\/p>\n\n\n\n<p><strong>\u95ee\u9898\u63cf\u8ff0<\/strong>\uff1a\u9884\u68c0\u8bf7\u6c42\u5931\u8d25\uff0c\u53ef\u80fd\u662f\u7531\u4e8e\u670d\u52a1\u5668\u672a\u6b63\u786e\u5904\u7406 OPTIONS \u8bf7\u6c42\u3002<\/p>\n\n\n\n<p><strong>\u89e3\u51b3\u65b9\u6848<\/strong>\uff1a\u786e\u4fdd\u670d\u52a1\u5668\u6b63\u786e\u5904\u7406 OPTIONS \u8bf7\u6c42\u5e76\u8fd4\u56de\u76f8\u5e94\u7684 CORS \u5934\u90e8\u3002\u4f8b\u5982\uff0c\u5728 Node.js\/Express \u4e2d\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">app.options('\/api\/data', (req, res) => {\n  res.header('Access-Control-Allow-Origin', 'https:\/\/yuanjava.com');\n  res.header('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE');\n  res.header('Access-Control-Allow-Headers', 'Content-Type, Authorization');\n  res.header('Access-Control-Allow-Credentials', 'true');\n  res.sendStatus(204);\n});<\/pre>\n\n\n\n<p><strong>8. \u603b\u7ed3<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>CORS \u662f\u73b0\u4ee3 Web \u5f00\u53d1\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u673a\u5236\uff0c\u5b83\u5141\u8bb8 Web \u5e94\u7528\u5728\u5b89\u5168\u7684\u524d\u63d0\u4e0b\u8fdb\u884c\u8de8\u57df\u8d44\u6e90\u8bf7\u6c42\uff0c\u901a\u8fc7\u7406\u89e3 CORS \u7684\u5de5\u4f5c\u539f\u7406\u548c\u914d\u7f6e\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u6709\u6548\u5730\u89e3\u51b3\u8de8\u57df\u8bf7\u6c42\u7684\u95ee\u9898\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8f6c\u8f7d\uff1a\u4ec0\u4e48\u662f CORS \uff1f\u4e00\u6587\u641e\u61c2 CORS \u8de8\u57df\u539f\u7406\uff01 \u5728\u505a Web \u5f00\u53d1\u65f6\uff0cCORS \u8de8\u57df\u662f\u6211\u4eec\u7ecf\u5e38\u9047\u5230\u7684 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"_links":{"self":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/15967"}],"collection":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=15967"}],"version-history":[{"count":2,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/15967\/revisions"}],"predecessor-version":[{"id":15973,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/15967\/revisions\/15973"}],"wp:attachment":[{"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=15967"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=15967"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=15967"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}