{"id":371458,"date":"2023-11-06T09:24:24","date_gmt":"2023-11-06T01:24:24","guid":{"rendered":"https:\/\/www.idc.net\/help\/371458\/"},"modified":"2023-11-06T09:24:24","modified_gmt":"2023-11-06T01:24:24","slug":"%e4%bd%a0%e4%b8%8d%e7%9f%a5%e9%81%93%e7%9a%84cors%e8%b7%a8%e5%9f%9f%e8%b5%84%e6%ba%90%e5%85%b1%e4%ba%ab","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/371458\/","title":{"rendered":"\u4f60\u4e0d\u77e5\u9053\u7684CORS\u8de8\u57df\u8d44\u6e90\u5171\u4eab"},"content":{"rendered":"<p style=\"text-align: center\"><span>[[259379]]<\/span><\/p>\n<p><strong>\u4e86\u89e3\u4e0b\u540c\u6e90\u7b56\u7565<\/strong><\/p>\n<ul>\n<li>&nbsp; <strong>&nbsp; \u6e90\uff08origin\uff09*<\/strong>\uff1a\u5c31\u662f\u534f\u8bae\u3001\u57df\u540d\u548c\u7aef\u53e3\u53f7\uff1b<\/li>\n<li>&nbsp; &nbsp; <strong>\u540c\u6e90<\/strong>\uff1a \u5c31\u662f\u6e90\u76f8\u540c\uff0c\u5373\u534f\u8bae\u3001\u57df\u540d\u548c\u7aef\u53e3\u5b8c\u5168\u76f8\u540c\uff1b<\/li>\n<li>&nbsp;<strong> &nbsp; \u540c\u6e90\u7b56\u7565\uff1a<\/strong>\u540c\u6e90\u7b56\u7565\u662f\u6d4f\u89c8\u5668\u7684\u4e00\u4e2a\u5b89\u5168\u529f\u80fd\uff0c\u4e0d\u540c\u6e90\u7684\u5ba2\u6237\u7aef\u811a\u672c\u5728\u6ca1\u6709\u660e\u786e\u6388\u6743\u7684\u60c5\u51b5\u4e0b\uff0c\u4e0d\u80fd\u8bfb\u5199\u5bf9\u65b9\u8d44\u6e90\uff1b<\/li>\n<li>&nbsp; <strong>&nbsp; \u540c\u6e90\u7b56\u7565\u7684\u5206\u7c7b<\/strong>\uff1a<\/li>\n<\/ul>\n<p style=\"margin-left: 40px\">&nbsp; &nbsp; &nbsp; <strong>1 . DOM \u540c\u6e90\u7b56\u7565\uff1a<\/strong>\u5373\u9488\u5bf9\u4e8eDOM\uff0c\u7981\u6b62\u5bf9\u4e0d\u540c\u6e90\u9875\u9762\u7684DOM\u8fdb\u884c\u64cd\u4f5c;\u5982\u4e0d\u540c\u57df\u540d\u7684 iframe \u662f\u9650\u5236\u4e92\u76f8\u8bbf\u95ee\u3002<\/p>\n<p style=\"margin-left: 40px\">&nbsp; &nbsp; &nbsp;<strong> 2 . 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JSONP \u8de8\u57df\uff1a\u501f\u9274\u4e8e script \u6807\u7b7e\u4e0d\u53d7\u6d4f\u89c8\u5668\u540c\u6e90\u7b56\u7565\u7684\u5f71\u54cd\uff0c\u5141\u8bb8\u8de8\u57df\u5f15\u7528\u8d44\u6e90\uff1b\u56e0\u6b64\u53ef\u4ee5\u901a\u8fc7\u52a8\u6001\u521b\u5efa script \u6807\u7b7e\uff0c\u7136\u540e\u5229\u7528 src \u5c5e\u6027\u8fdb\u884c\u8de8\u57df\uff1b<\/p>\n<p>&nbsp; &nbsp; &nbsp; &nbsp; \u7f3a\u70b9\uff1a<\/p>\n<p style=\"margin-left: 40px\">&nbsp; &nbsp;&nbsp;1.\u6240\u6709\u7f51\u7ad9\u90fd\u53ef\u4ee5\u62ff\u5230\u6570\u636e\uff0c\u5b58\u5728\u5b89\u5168\u6027\u95ee\u9898\uff0c\u9700\u8981\u7f51\u7ad9\u53cc\u65b9\u5546\u8bae\u57fa\u7840token\u7684\u8eab\u4efd\u9a8c\u8bc1\u3002<\/p>\n<p style=\"margin-left: 40px\">&nbsp; &nbsp; 2.\u53ea\u80fd\u662fGET\uff0c\u4e0d\u80fdPOST\u3002<\/p>\n<p style=\"margin-left: 40px\">&nbsp; &nbsp; 3.\u53ef\u80fd\u88ab\u6ce8\u5165\u6076\u610f\u4ee3\u7801\uff0c\u7be1\u6539\u9875\u9762\u5185\u5bb9\uff0c\u53ef\u4ee5\u91c7\u7528\u5b57\u7b26\u4e32\u8fc7\u6ee4\u6765\u89c4\u907f\u6b64\u95ee\u9898\u3002<\/p>\n<p>&nbsp; &nbsp; 2. \u670d\u52a1\u5668\u4ee3\u7406\uff1a\u6d4f\u89c8\u5668\u6709\u8de8\u57df\u9650\u5236\uff0c\u4f46\u662f\u670d\u52a1\u5668\u4e0d\u5b58\u5728\u8de8\u57df\u95ee\u9898\uff0c\u6240\u4ee5\u53ef\u4ee5\u7531\u670d\u52a1\u5668\u8bf7\u6c42\u6240\u8981\u57df\u7684\u8d44\u6e90\u518d\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u3002<\/p>\n<p>&nbsp; &nbsp; 3. document.domain\u3001window.name \u3001location.hash\uff1a\u501f\u52a9\u4e8eiframe\u51b3\u89e3DOM\u540c\u6e90\u7b56\u7565<\/p>\n<p>&nbsp; &nbsp; 4. postMessage\uff1a\u51b3\u89e3DOM\u540c\u6e90\u7b56\u7565\uff0c\u65b0\u65b9\u6848<\/p>\n<p>&nbsp; &nbsp; 5. CORS\uff08\u8de8\u57df\u8d44\u6e90\u5171\u4eab\uff09\uff1a\u8fd9\u91cc\u8bb2\u7684\u91cd\u70b9<\/p>\n<p><strong>CORS\uff08\u8de8\u57df\u8d44\u6e90\u5171\u4eab\uff09<\/strong><\/p>\n<ul>\n<li>&nbsp;HTML5 \u63d0\u4f9b\u7684\u6807\u51c6\u8de8\u57df\u89e3\u51b3\u65b9\u6848\uff0c\u662f\u4e00\u4e2a\u7531\u6d4f\u89c8\u5668\u5171\u540c\u9075\u5faa\u7684\u4e00\u5957\u63a7\u5236\u7b56\u7565\uff0c\u901a\u8fc7HTTP\u7684Header\u6765\u8fdb\u884c\u4ea4\u4e92\uff1b\u4e3b\u8981\u901a\u8fc7\u540e\u7aef\u6765\u8bbe\u7f6eCORS\u914d\u7f6e\u9879<\/li>\n<\/ul>\n<p><strong>CORS\u7b80\u5355\u4f7f\u7528<\/strong><\/p>\n<ul>\n<li>&nbsp;\u4e4b\u524d\u8bf4\u5f97CORS\u8de8\u57df\uff0c\u55ef\u55ef\uff0c\u540e\u7aef\u8bbe\u7f6eAccess-Control-Allow-Origin\uff1a*|[\u6216\u5177\u4f53\u7684\u57df\u540d]\u5c31\u597d\u4e86\uff1b<\/li>\n<li>\u521d\u6b21\u5c1d\u8bd5\uff1a&nbsp;<\/li>\n<\/ul>\n<pre>\n \n \n \n <ol>\n  \n  \n  \n  <li><span><span>app.use(async(ctx,next)&nbsp;=<\/span><span>&gt;<\/span><span>&nbsp;{&nbsp;<\/span><\/span><span>&nbsp;<\/span><\/li>\n  \n  \n  \n  <li><span>&nbsp;&nbsp;&nbsp;&nbsp;ctx.set({&nbsp;<\/span><span>&nbsp;<\/span><\/li>\n  \n  \n  \n  <li><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\"Access-Control-Allow-Origin\":&nbsp;\"http:\/\/localhost:8088\"&nbsp;<\/span><span>&nbsp;<\/span><\/li>\n  \n  \n  \n  <li><span>})&nbsp;<\/span><\/li>\n \n \n \n <\/ol><\/pre>\n<ul>\n<li>&nbsp;\u53d1\u73b0\u6709\u4e9b\u8bf7\u6c42\u53ef\u4ee5\u6210\u529f\uff0c\u4f46\u662f\u6709\u4e9b\u8fd8\u662f\u4f1a\u62a5\u9519\uff1a<\/li>\n<\/ul>\n<p style=\"text-align: center\">\n<ul>\n<li>&nbsp;\u8bf7\u6c42\u88ab\u540c\u6e90\u7b56\u7565\u963b\u6b62\uff0c\u9884\u8bf7\u6c42\u7684\u54cd\u5e94\u6ca1\u6709\u901a\u8fc7\u68c0\u67e5\uff1ahttp\u8fd4\u56de\u7684\u4e0d\u662fok?<\/li>\n<li>&nbsp;\u5e76\u4e14\u53d1\u73b0\u53d1\u9001\u7684\u662fOPTIONS\u8bf7\u6c42:<\/li>\n<\/ul>\n<p style=\"text-align: center\">&nbsp;<\/p>\n<ul>\n<li>&nbsp;\u53d1\u73b0\uff1aCORS\u89c4\u8303\u5c06\u8bf7\u6c42\u5206\u4e3a\u4e24\u79cd\u7c7b\u578b\uff0c\u4e00\u79cd\u662f\u7b80\u5355\u8bf7\u6c42\uff0c\u53e6\u5916\u4e00\u79cd\u662f\u5e26\u9884\u68c0\u7684\u975e\u7b80\u5355\u8bf7\u6c42&nbsp;<\/li>\n<\/ul>\n<p><strong>\u7b80\u5355\u8bf7\u6c42\u548c\u975e\u7b80\u5355\u8bf7\u6c42<\/strong><\/p>\n<ul>\n<li>&nbsp;\u6d4f\u89c8\u5668\u53d1\u9001\u8de8\u57df\u8bf7\u6c42\u5224\u65ad\u65b9\u5f0f\uff1a\n<ul>\n<li>&nbsp; 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