{"id":98540,"date":"2024-04-12T11:18:05","date_gmt":"2024-04-12T03:18:05","guid":{"rendered":""},"modified":"2024-04-12T11:18:06","modified_gmt":"2024-04-12T03:18:06","slug":"%e8%a7%a3%e5%86%b3api%e8%b7%a8%e5%9f%9f%e8%af%b7%e6%b1%82%e9%97%ae%e9%a2%98%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/98540.html","title":{"rendered":"\u89e3\u51b3API\u8de8\u57df\u8bf7\u6c42\u95ee\u9898\u7684\u65b9\u6cd5"},"content":{"rendered":"

\"\u89e3\u51b3API\u8de8\u57df\u8bf7\u6c42\u95ee\u9898\u7684\u65b9\u6cd5\"<\/p>\n

\u89e3\u51b3API\u8de8\u57df\u8bf7\u6c42\u95ee\u9898\u7684\u4e3b\u8981\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528CORS\u3001JSONP\u3001\u4ee3\u7406\u670d\u52a1\u5668\u3001\u4f7f\u7528HTML5\u7684PostMessage\u3001\u914d\u7f6e\u6587\u6863\u57df\uff08Document DomAI<\/a>n\uff09\u7b49<\/strong>\u3002\u5176\u4e2d\uff0c\u4f7f\u7528CORS\uff08\u8de8\u6e90\u8d44\u6e90\u5206\u4eab\uff09\u662f\u6700\u63a8\u8350\u7684\u65b9\u6cd5<\/strong>\uff0c\u56e0\u4e3a\u5b83\u5141\u8bb8\u670d\u52a1\u5668\u660e\u786e\u6307\u51fa\uff0c\u4ece\u54ea\u4e9b\u6e90\u7ad9\uff08origin\uff09\u53ef\u4ee5\u52a0\u8f7d\u8d44\u6e90\u3002\u8fd9\u4e0d\u53ea\u89e3\u51b3\u4e86\u8de8\u57df\u95ee\u9898\uff0c\u8fd8\u589e\u5f3a\u4e86\u7f51\u7ad9\u7684\u5b89\u5168\u6027\u3002\u901a\u8fc7CORS\uff0c\u5728\u670d\u52a1\u5668\u54cd\u5e94\u5934\u4e2d\u52a0\u5165Access-Control-Allow-Origin<\/code>\u53ef\u4ee5\u51c6\u786e\u63a7\u5236\u54ea\u4e9b\u7f51\u7ad9\u6709\u6743\u8bbf\u95ee\u8be5\u8d44\u6e90\uff0c\u6709\u6548\u9632\u6b62\u975e\u6cd5\u8bbf\u95ee\u548c\u6570\u636e\u6cc4\u9732\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528CORS<\/h3>\n<\/p>\n

CORS\uff0c\u5168\u540d\u4e3a\u8de8\u6e90\u8d44\u6e90\u5171\u4eab\uff0c\u901a\u8fc7\u5728\u670d\u52a1\u5668\u7aef\u8bbe\u7f6e\u76f8\u5e94\u7684\u54cd\u5e94\u5934\uff0c\u544a\u8bc9\u6d4f\u89c8\u5668\u5141\u8bb8\u67d0\u4e2a\u6e90\u7684\u7f51\u9875\u8bbf\u95ee\u8be5\u8d44\u6e90\u3002\u670d\u52a1\u5668\u7ba1\u7406\u5458\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u8bb8\u53ef\u7684\u6e90\u3001HTTP\u65b9\u6cd5\u3001\u5934\u4fe1\u606f\u7b49\u6765\u63d0\u4f9b\u8de8\u6e90\u8bbf\u95ee\u6743\u9650\u3002<\/p>\n<\/p>\n

    \n
  • \n

    \u5b9e\u73b0\u7ec6\u8282\uff1a<\/strong> \u8981\u542f\u7528CORS\uff0c\u9996\u5148\u5728\u670d\u52a1\u5668\u7684\u54cd\u5e94\u5934\u4e2d\u6dfb\u52a0Access-Control-Allow-Origin<\/code>\u5b57\u6bb5\u3002\u8fd9\u4e2a\u5b57\u6bb5\u7684\u503c\u53ef\u4ee5\u662f\u5177\u4f53\u7684\u6e90\u5982http:\/\/example.com<\/code>\uff0c\u4e5f\u53ef\u4ee5\u662f*<\/code>\u8868\u793a\u63a5\u53d7\u4efb\u4f55\u57df\u7684\u8bf7\u6c42\u3002\u6b64\u5916\uff0c\u8fd8\u53ef\u80fd\u9700\u8981\u8bbe\u7f6eAccess-Control-Allow-Methods<\/code>\u548cAccess-Control-Allow-Headers<\/code>\u6765\u5206\u522b\u6307\u5b9a\u5141\u8bb8\u7684\u65b9\u6cd5\u548c\u5934\u4fe1\u606f\u3002<\/p>\n<\/p>\n<\/li>\n

  • \n

    \u5b89\u5168\u4e0e\u6027\u80fd\uff1a<\/strong> \u9664\u4e86\u89e3\u51b3\u8de8\u57df\u95ee\u9898\uff0cCORS\u7684\u914d\u7f6e\u8fd8\u76f4\u63a5\u5173\u8054\u5230\u7f51\u7ad9\u7684\u5b89\u5168\u548c\u6027\u80fd\u3002\u5408\u7406\u914d\u7f6eCORS\u53ef\u4ee5\u9632\u6b62\u672a\u7ecf\u6388\u6743\u7684\u7ad9\u70b9\u8bbf\u95ee\u654f\u611f\u6570\u636e\uff0c\u540c\u65f6\uff0c\u901a\u8fc7\u9650\u5236\u8bb8\u53ef\u7684\u65b9\u6cd5\u548c\u5934\u4fe1\u606f\uff0c\u53ef\u4ee5\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u7f51\u7edc\u8bf7\u6c42\uff0c\u4ece\u800c\u63d0\u9ad8\u7f51\u7ad9\u6027\u80fd\u3002<\/p>\n<\/p>\n<\/li>\n<\/ul>\n

    \u4e8c\u3001\u4f7f\u7528JSONP<\/h3>\n<\/p>\n

    JSONP\uff08JSON with Padding\uff09\u662f\u4e00\u79cd\u975e\u5b98\u65b9\u7684\u8de8\u57df\u6570\u636e\u4ea4\u6362\u534f\u8bae\u3002\u901a\u8fc7\u5728\u8bf7\u6c42\u4e2d\u63d2\u5165\u4e00\u4e2a<script><\/code>\u6807\u7b7e\u5e76\u6307\u5b9a\u4e00\u4e2a\u56de\u8c03\u51fd\u6570\uff0c\u53ef\u4ee5\u7ed5\u8fc7\u540c\u6e90\u7b56\u7565\u7684\u9650\u5236\u3002<\/p>\n<\/p>\n

      \n
    • \n

      \u5b9e\u73b0\u7ec6\u8282\uff1a<\/strong> \u5728\u4f7f\u7528JSONP\u65f6\uff0c\u5ba2\u6237\u7aef\u5728\u8bf7\u6c42URL\u4e2d\u6307\u5b9a\u4e00\u4e2a\u56de\u8c03\u53c2\u6570\uff0c\u670d\u52a1\u5668\u63a5\u6536\u5230\u8bf7\u6c42\u540e\uff0c\u5c06\u6570\u636e\u5305\u88f9\u5728\u8be5\u56de\u8c03\u51fd\u6570\u4e2d\u5e76\u8fd4\u56de\u3002\u5ba2\u6237\u7aef\u7684JavaScript\u5219\u4f1a\u6267\u884c\u8fd9\u4e2a\u56de\u8c03\u51fd\u6570\uff0c\u5e76\u5904\u7406\u8fd4\u56de\u7684\u6570\u636e\u3002<\/p>\n<\/p>\n<\/li>\n

    • \n

      \u5c40\u9650\u6027\uff1a<\/strong> \u5c3d\u7ba1JSONP\u7b80\u5355\u6613\u7528\uff0c\u4f46\u5b83\u53ea\u652f\u6301GET\u8bf7\u6c42\uff0c\u8fd9\u5728\u5f88\u591a\u573a\u5408\u4e0b\u9650\u5236\u4e86\u5176\u4f7f\u7528\u3002\u6b64\u5916\uff0c\u56e0\u4e3a\u5b83\u662f\u901a\u8fc7\u52a8\u6001\u521b\u5efa<script><\/code>\u6807\u7b7e\u6765\u5de5\u4f5c\u7684\uff0c\u8fd9\u4f1a\u5e26\u6765\u4e00\u5b9a\u7684\u5b89\u5168\u98ce\u9669\uff0c\u6bd4\u5982XSS\u653b\u51fb\u3002<\/p>\n<\/p>\n<\/li>\n<\/ul>\n

      \u4e09\u3001\u4ee3\u7406\u670d\u52a1\u5668<\/h3>\n<\/p>\n

      \u901a\u8fc7\u5728\u670d\u52a1\u5668\u7aef\u8bbe\u7f6e\u4ee3\u7406\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5bf9API\u8bf7\u6c42\u7684\u4e2d\u8f6c\uff0c\u4ee5\u6b64\u7ed5\u8fc7\u6d4f\u89c8\u5668\u7684\u540c\u6e90\u7b56\u7565\u9650\u5236\u3002<\/p>\n<\/p>\n

        \n
      • \n

        \u5b9e\u73b0\u7ec6\u8282\uff1a<\/strong> \u5728\u670d\u52a1\u5668\uff08\u901a\u5e38\u662f\u4e0e\u524d\u7aef\u670d\u52a1\u5668\u76f8\u540c\u7684\u670d\u52a1\u5668\uff09\u4e0a\u8bbe\u7f6e\u4e00\u4e2a\u4ee3\u7406\uff0c\u8ba9\u6240\u6709\u524d\u7aef\u7684API\u8bf7\u6c42\u5148\u53d1\u5230\u8fd9\u4e2a\u670d\u52a1\u5668\u4e0a\uff0c\u5728\u670d\u52a1\u5668\u4e0a\u5c06\u8bf7\u6c42\u8f6c\u53d1\u5230\u76ee\u6807API\uff0c\u5e76\u5c06\u54cd\u5e94\u7ed3\u679c\u8fd4\u56de\u7ed9\u524d\u7aef\u3002<\/p>\n<\/p>\n<\/li>\n

      • \n

        \u4f18\u52bf\u4e0e\u8003\u8651\uff1a<\/strong> \u4f7f\u7528\u4ee3\u7406\u670d\u52a1\u5668\u53ef\u4ee5\u6709\u6548\u907f\u514d\u524d\u7aef\u76f4\u63a5\u4e0e\u7b2c\u4e09\u65b9API\u8fdb\u884c\u8de8\u57df\u901a\u4fe1\u7684\u5b89\u5168\u98ce\u9669\uff0c\u5e76\u4e14\u8fd9\u79cd\u65b9\u6cd5\u5bf9\u524d\u7aef\u4ee3\u7801\u7684\u6539\u52a8\u6700\u5c0f\u3002\u4f46\u662f\uff0c\u8fd9\u4f1a\u589e\u52a0\u670d\u52a1\u5668\u7684\u8d1f\u62c5\uff0c\u5e76\u53ef\u80fd\u5f15\u5165\u989d\u5916\u7684\u5ef6\u8fdf\u3002\u670d\u52a1\u5668\u914d\u7f6e\u548c\u7ef4\u62a4\u5de5\u4f5c\u4e5f\u76f8\u5bf9\u590d\u6742\u3002<\/p>\n<\/p>\n<\/li>\n<\/ul>\n

        \u56db\u3001\u4f7f\u7528HTML5\u7684PostMessage<\/h3>\n<\/p>\n

        HTML5\u5f15\u5165\u7684PostMessage API\u63d0\u4f9b\u4e86\u4e00\u79cd\u5b89\u5168\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u8de8\u57df\u901a\u4fe1\u3002<\/p>\n<\/p>\n

          \n
        • \n

          \u5b9e\u73b0\u7ec6\u8282\uff1a<\/strong> \u901a\u8fc7postMessage<\/code>\u65b9\u6cd5\u53ef\u4ee5\u5b89\u5168\u5730\u5b9e\u73b0\u4e0d\u540c\u6e90\u4e4b\u95f4\u7684\u6570\u636e\u4ea4\u6362\u3002\u7f51\u9875\u53ef\u4ee5\u8c03\u7528window.postMessage<\/code>\u65b9\u6cd5\u53d1\u9001\u6d88\u606f\uff0c\u63a5\u6536\u65b9\u5219\u901a\u8fc7\u76d1\u542cmessage<\/code>\u4e8b\u4ef6\u6765\u63a5\u6536\u6d88\u606f\u3002<\/p>\n<\/p>\n<\/li>\n

        • \n

          \u9002\u7528\u573a\u666f\uff1a<\/strong> PostMessage\u975e\u5e38\u9002\u5408\u4e8e\u7236\u9875\u9762\u4e0e\u5d4c\u5165\u7684iframe\u6216\u4e0d\u540c\u6e90\u7684\u7a97\u53e3\u4e4b\u95f4\u7684\u901a\u4fe1\u3002\u4f46\u8fd9\u9700\u8981\u53cc\u65b9\u9875\u9762\u7684\u534f\u8c03\uff0c\u53ef\u80fd\u4e0d\u9002\u7528\u4e8e\u6240\u6709\u7684\u8de8\u57df\u901a\u4fe1\u9700\u6c42\u3002<\/p>\n<\/p>\n<\/li>\n<\/ul>\n

          \u4e94\u3001\u914d\u7f6e\u6587\u6863\u57df\uff08Document Domain\uff09<\/h3>\n<\/p>\n

          \u5728\u67d0\u4e9b\u7279\u5b9a\u573a\u666f\u4e0b\uff0c\u5f53\u4e24\u4e2a\u9875\u9762\u62e5\u6709\u76f8\u540c\u7684\u9876\u7ea7\u57df\u540d\u4f46\u4e0d\u540c\u7684\u5b50\u57df\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6edocument.domain<\/code>\u6765\u5171\u4eab\u8d44\u6e90\u3002<\/p>\n<\/p>\n

            \n
          • \n

            \u5b9e\u73b0\u7ec6\u8282\uff1a<\/strong> \u5982\u679c\u6709\u4e24\u4e2a\u9875\u9762\u5206\u522b\u6765\u81easub1.example.com<\/code>\u548csub2.example.com<\/code>\uff0c\u901a\u8fc7\u5c06\u8fd9\u4e24\u4e2a\u9875\u9762\u7684document.domain<\/code>\u8bbe\u7f6e\u4e3aexample.com<\/code>\uff0c\u5b83\u4eec\u5c31\u53ef\u4ee5\u7ed5\u8fc7\u540c\u6e90\u7b56\u7565\u7684\u9650\u5236\uff0c\u5b9e\u73b0\u8de8\u57df\u901a\u4fe1\u3002<\/p>\n<\/p>\n<\/li>\n

          • \n

            \u9650\u5236\u4e0e\u9002\u7528\u6027\uff1a<\/strong> \u8fd9\u79cd\u65b9\u6cd5\u53ea\u9002\u7528\u4e8e\u4e3b\u57df\u76f8\u540c\u800c\u5b50\u57df\u4e0d\u540c\u7684\u573a\u666f\u3002\u6b64\u5916\uff0c\u7531\u4e8e\u8fd9\u79cd\u65b9\u6cd5\u4f1a\u6539\u53d8DOM\u7684\u5b89\u5168\u7ea7\u522b\uff0c\u53ef\u80fd\u4f1a\u5e26\u6765\u5b89\u5168\u98ce\u9669\uff0c\u56e0\u6b64\u4f7f\u7528\u65f6\u9700\u8981\u8c28\u614e\u3002<\/p>\n<\/p>\n<\/li>\n<\/ul>\n

            \u7efc\u4e0a\u6240\u8ff0\uff0c\u89e3\u51b3API\u8de8\u57df\u8bf7\u6c42\u95ee\u9898\u6709\u591a\u79cd\u65b9\u6cd5\uff0c\u5404\u6709\u4f18\u52bf\u548c\u9002\u7528\u573a\u666f\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5e94\u6839\u636e\u5b9e\u9645\u9700\u8981\u9009\u62e9\u6700\u5408\u9002\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u517c\u987e\u529f\u80fd\u5b9e\u73b0\u548c\u5b89\u5168\u6027\u3002<\/p>\n<\/p>\n

            \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n

            1. \u4f60\u53ef\u4ee5\u4f7f\u7528JSONP\u6765\u89e3\u51b3API\u8de8\u57df\u8bf7\u6c42\u95ee\u9898\u5417\uff1f<\/strong><\/p>\n

            \u662f\u7684\uff0cJSONP\u662f\u4e00\u79cd\u5e38\u7528\u7684\u89e3\u51b3API\u8de8\u57df\u8bf7\u6c42\u95ee\u9898\u7684\u65b9\u6cd5\u3002\u5b83\u901a\u8fc7\u52a8\u6001\u521b\u5efa<script><\/code>\u6807\u7b7e\uff0c\u5e76\u5728URL\u4e2d\u6dfb\u52a0\u4e00\u4e2acallback\u53c2\u6570\uff0c\u5728\u670d\u52a1\u7aef\u8fd4\u56de\u7684\u54cd\u5e94\u6570\u636e\u5305\u88f9\u5728\u8be5\u53c2\u6570\u7684\u51fd\u6570\u8c03\u7528\u4e2d\u3002\u8fd9\u6837\u5c31\u5b9e\u73b0\u4e86\u8de8\u57df\u8bf7\u6c42\u5e76\u6210\u529f\u83b7\u53d6\u5230\u54cd\u5e94\u6570\u636e\u7684\u76ee\u7684\u3002<\/p>\n

            2. \u9664\u4e86JSONP\uff0c\u8fd8\u6709\u5176\u4ed6\u7684\u65b9\u6cd5\u53ef\u4ee5\u89e3\u51b3API\u8de8\u57df\u8bf7\u6c42\u95ee\u9898\u5417\uff1f<\/strong><\/p>\n

            \u662f\u7684\uff0c\u9664\u4e86JSONP\uff0c\u8fd8\u6709\u5176\u4ed6\u7684\u65b9\u6cd5\u53ef\u4ee5\u89e3\u51b3API\u8de8\u57df\u8bf7\u6c42\u95ee\u9898\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528CORS\uff08Cross-Origin Resource Sharing\uff09\u6765\u5b9e\u73b0\u8de8\u57df\u8bf7\u6c42\u3002CORS\u901a\u8fc7\u5728\u670d\u52a1\u7aef\u8bbe\u7f6e\u54cd\u5e94\u5934\uff0c\u5141\u8bb8\u7279\u5b9a\u7684\u57df\u540d\u8bbf\u95ee\u8be5API\u63a5\u53e3\u3002\u8fd9\u6837\uff0c\u5ba2\u6237\u7aef\u5c31\u53ef\u4ee5\u76f4\u63a5\u53d1\u9001\u8de8\u57df\u8bf7\u6c42\u5e76\u83b7\u53d6\u5230\u54cd\u5e94\u6570\u636e\u3002<\/p>\n

            3. API\u8de8\u57df\u8bf7\u6c42\u95ee\u9898\u662f\u5426\u53ea\u5b58\u5728\u4e8e\u524d\u7aef\u5f00\u53d1\u4e2d\uff1f\u540e\u7aef\u4e5f\u4f1a\u9047\u5230\u8fd9\u4e2a\u95ee\u9898\u5417\uff1f<\/strong><\/p>\n

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