{"id":2382,"date":"2017-05-24T11:09:59","date_gmt":"2017-05-24T03:09:59","guid":{"rendered":"http:\/\/www.qdabc.cn\/?p=2382"},"modified":"2017-05-24T11:09:59","modified_gmt":"2017-05-24T03:09:59","slug":"%e5%89%8d%e7%ab%af%e5%a4%84%e7%90%86%e8%b7%a8%e5%9f%9f%e7%9a%84%e5%87%a0%e7%a7%8d%e6%96%b9%e5%bc%8f%e5%8f%8a%e5%8e%9f%e7%90%86","status":"publish","type":"post","link":"http:\/\/www.qdabc.cn\/?p=2382","title":{"rendered":"\u524d\u7aef\u5904\u7406\u8de8\u57df\u7684\u51e0\u79cd\u65b9\u5f0f\u53ca\u539f\u7406"},"content":{"rendered":"

\u4f5c\u4e3a\u4e00\u4e2a\u524d\u7aef\u5de5\u4f5c\u8005\uff0c\u8de8\u57df\u95ee\u9898\u5e94\u8be5\u662f\u5f88\u5e38\u89c1\u7684\uff0c\u5904\u7406\u65b9\u5f0f\u6709\u5f88\u591a\uff0c\u4e0b\u8fb9\u6765\u8bf4\u4e00\u8bf4\u6211\u7528\u5230\u8fc7\u7684\u5904\u7406\u65b9\u5f0f\u3002
\n1.\u4ec0\u4e48\u662f\u8de8\u57df<\/b><\/p>\n

\u53ea\u8981\u534f\u8bae\u3001\u57df\u540d\u3001\u7aef\u53e3\u6709\u4efb\u4f55\u4e00\u4e2a\u4e0d\u540c\uff0c\u90fd\u88ab\u5f53\u505a\u4e0d\u540c\u7684\u57df\uff0cjs\u4e0d\u80fd\u5728\u4e0d\u540c\u7684\u57df\u4e4b\u95f4\u8fdb\u884c\u901a\u4fe1\u548c\u4f20\u8f93\u6570\u636e\u3002<\/p>\n

2.\u8de8\u57df\u7684\u60c5\u51b5<\/b><\/p>\n

(1) \u7528ajax\u5411\u4e0d\u540c\u7684\u57df\u8bf7\u6c42\u6570\u636e<\/p>\n

(2) \u901a\u8fc7js\u83b7\u53d6\u9875\u9762\u4e2d\u4e0d\u540c\u57df\u7684\u6846\u67b6\u4e2d\u7684\u6570\u636e(\u5e38\u89c1iframe)<\/p>\n

\u6d4f\u89c8\u5668\u90fd\u6709\u4e00\u4e2a\u540c\u6e90\u7b56\u7565\uff0c\u5176\u9650\u5236\u4e4b\u4e00\u5c31\u662f\u4e0d\u80fd\u901a\u8fc7ajax\u7684\u65b9\u6cd5\u53bb\u8bf7\u6c42\u4e0d\u540c\u6e90\u4e2d\u7684\u6587\u6863\uff0c\u9650\u5236\u4e4b\u4e8c\u662f\u6d4f\u89c8\u5668\u4e2d\u4e0d\u540c\u57df\u7684\u6846\u67b6\u4e4b\u95f4\u662f\u4e0d\u80fd\u8fdb\u884cjs\u7684\u4ea4\u4e92\u64cd\u4f5c\u7684\u3002<\/p>\n

3.\u8de8\u57df\u7684\u65b9\u6cd5<\/b>
\n(1) jsonp\u8de8\u57df<\/b>
\n\u539f\u7406\uff1a\u521b\u5efa<script>\u6807\u7b7e\uff0c\u5229\u7528src\u5c5e\u6027\u8de8\u57df\uff08src\u5c5e\u6027\u53ef\u4ee5\u8de8\u57df\uff09\uff0c\u540c\u6837<img>\u4e5f\u53ef\u4ee5\u5904\u7406\u8de8\u57df
\n\u4e3e\u4e2a\u6817\u5b50\uff1a
\ntest.html\u00a0 \u00a0\u00a0 \u00a0—–> http:\/\/a.haha.com\/test.html
\najaxData\u00a0 \u00a0\u00a0\u00a0—–> http:\/\/b.haha.com\/list
\ntest.html\u8bbf\u95eeajaxData\u9700\u8981\u8de8\u57df<\/p>\n

<script src=\"http:\/\/b.haha.com\/list?callback=dosomething\"><\/script>\r\n<script type=\"text\/javascript\">\r\n    function dosomething(jsondata) {\r\n        \/\/ \u5904\u7406\u83b7\u53d6\u7684json\u6570\u636e\r\n    }\r\n<\/script><\/pre>\n
\u901a\u8fc7\u4e00\u4e2ascript\u6807\u7b7e\u5f15\u5165\u4e00\u4e2ajs\u6587\u4ef6\uff0c\u5f53js\u6587\u4ef6\u8f7d\u5165\u6210\u529f\u540e\u4f1a\u628a\u9700\u8981\u7684json\u6570\u636e\u4f5c\u4e3a\u53c2\u6570\u4f20\u5165URL\u4e2d\u6307\u5b9a\u7684\u51fd\u6570\u5e76\u6267\u884c\u6b64\u51fd\u6570\uff0c\u56e0\u4e3aajaxData\u88ab\u5f53\u4f5c\u4e00\u4e2ajs\u6587\u4ef6\u6765\u5f15\u5165\uff0c\u6240\u4ee5\u5176\u8fd4\u56de\u7684\u6570\u636e\u5fc5\u987b\u662f\u4e00\u4e2a\u80fd\u6267\u884c\u7684js\u6587\u4ef6\uff0c\u6240\u4ee5\u9700\u8981\u670d\u52a1\u7aef\u7684\u914d\u5408\u624d\u884c\u3002<\/p>\n
\u5c40\u9650\u6027\uff1a<1> \u9700\u8981\u670d\u52a1\u7aef\u914d\u5408\u505a\u5904\u7406
\n<2> jsonp\u53ea\u652f\u6301\u201cget\u201d\u8bf7\u6c42\uff0c\u4e0d\u652f\u6301\u201cpost\u201d\u8bf7\u6c42
\n(2) document.domain\u6765\u8de8\u8d8a\u5b50\u57df<\/b>
\n\u539f\u7406\uff1a\u8bbe\u7f6e\u76f8\u540c\u7684\u4e3b\u57df
\n\u4e3e\u4e2a\u6817\u5b50\uff1a
\n\u6709\u4e00\u4e2a\u9875\u9762\uff0c\u5b83\u7684\u5730\u5740\u662f http:\/\/a.haha.com\/test.html \uff0c \u5728\u8fd9\u4e2a\u9875\u9762\u91cc\u9762\u6709\u4e00\u4e2aiframe\uff0c\u5b83\u7684src\u662f http:\/\/b.haha.com\/test.html , \u5f88\u663e\u7136\uff0c\u8fd9\u4e2a\u9875\u9762\u4e0e\u5b83\u91cc\u9762\u7684iframe\u6846\u67b6\u662f\u4e0d\u540c\u57df\u7684\uff0c\u6240\u4ee5\u6211\u4eec\u662f\u65e0\u6cd5\u901a\u8fc7\u5728\u9875\u9762\u4e2d\u4e66\u5199js\u4ee3\u7801\u6765\u83b7\u53d6iframe\u4e2d\u7684\u4e1c\u897f\u7684<\/p>\n
<iframe src=\"http:\/\/b.haha.com\/test.html\" onload=\"test()\" id=\"iframe\"><\/iframe>\r\n<script type=\"text\/javascript\">\r\n    document.domain = \"haha.com\";\r\n    function test() {\r\n        \/\/ \u83b7\u53d6iframe\u4e2d\u7684\u6570\u636e\r\n        var cont = document.getElementById('iframe').contentWindow;\r\n    }\r\n<\/script><\/pre>\n
\u6ce8\u610f\uff1a <1> document.domain\u7684\u8bbe\u7f6e\u662f\u6709\u9650\u5236\u7684\uff0c\u6211\u4eec\u53ea\u80fd\u628adocument.domain\u8bbe\u7f6e\u6210\u81ea\u8eab\u6216\u66f4\u9ad8\u4e00\u7ea7\u7684\u7236\u57df\uff0c\u4e14\u4e3b\u57df\u5fc5\u987b\u76f8\u540c\u3002
\n<2> \u4fee\u6539document.domain\u7684\u65b9\u6cd5\u53ea\u9002\u7528\u4e8e\u4e0d\u540c\u5b50\u57df\u7684\u6846\u67b6\u95f4\u7684\u4ea4\u4e92\uff0c\u5bf9ajax\u8bbf\u95ee\u7684\u4e0d\u9002\u7528\u3002
\n(3) \u9690\u85cfiframe\u505a\u4ee3\u7406\u8de8\u57df<\/b><\/p>\n
\u5982\u679c\u4f60\u60f3\u901a\u8fc7ajax\u7684\u65b9\u6cd5\u53bb\u4e0e\u4e0d\u540c\u5b50\u57df\u7684\u9875\u9762\u4ea4\u4e92\uff0c\u9664\u4e86\u4f7f\u7528jsonp\u7684\u65b9\u6cd5\u5916\uff0c\u8fd8\u53ef\u4ee5\u7528\u4e00\u4e2a\u9690\u85cf\u7684iframe\u6765\u505a\u4e00\u4e2a\u4ee3\u7406\u3002<\/p>\n
\u539f\u7406\uff1a\u8ba9\u8fd9\u4e2a\u9690\u85cf\u7684iframe\u8f7d\u5165\u4e00\u4e2a\u4e0e\u4f60\u60f3\u8981\u901a\u8fc7ajax\u83b7\u53d6\u6570\u636e\u7684\u76ee\u6807\u9875\u9762\u5904\u5728\u76f8\u540c\u7684\u57df\u7684\u9875\u9762\uff0c\u6240\u4ee5\u8fd9\u4e2aiframe\u4e2d\u7684\u9875\u9762\u662f\u53ef\u4ee5\u6b63\u5e38\u4f7f\u7528ajax\u53bb\u83b7\u53d6\u4f60\u8981\u7684\u6570\u636e\u7684\uff0c\u7136\u540e\u5c31\u662f\u901a\u8fc7\u4fee\u6539document.domain\u7684\u65b9\u6cd5\uff0c\u8ba9\u6211\u4eec\u80fd\u901a\u8fc7js\u5b8c\u5168\u63a7\u5236\u8fd9\u4e2aiframe\uff0c\u8fd9\u6837\u6211\u4eec\u5c31\u53ef\u4ee5\u8ba9iframe\u53bb\u53d1\u9001ajax\u8bf7\u6c42\uff0c\u7136\u540e\u6536\u5230\u7684\u6570\u636e\u6211\u4eec\u4e5f\u53ef\u4ee5\u83b7\u5f97\u4e86\u3002<\/p>\n
\u8fd8\u662f\u65b9\u6cd51\u4e2d\u7684\u4f8b\u5b50\uff0c\u5728test.html\u4e2d\u8bbf\u95eeajaxData<\/p>\n
<iframe src=\"http:\/\/b.haha.com\/ajaxProxy.html\" onload=\"test()\" id=\"iframe\" style=\"display:none\"><\/iframe>\r\n<script type=\"text\/javascript>\r\n    \/\/ \u8bbe\u7f6e\u76f8\u540c\u7684\u4e3b\u57df\r\n    document.domain = 'haha.com';\r\n    iframe = document.getElementById('iframe');\r\n    iframe.addEventListener('load',function(e) {\r\n        \/\/ 1.\u53d1\u9001ajax\u8bf7\u6c42\u6570\u636e\r\n        \r\n        \/\/ 2.\u83b7\u53d6iframe\u4e2d\u7684\u6570\u636e\r\n        var cont = iframe.contentWindow;\r\n        \r\n        \/\/ 3.\u6570\u636e\u7684\u5904\u7406\r\n        \r\n    })\r\n<\/script><\/pre>\n
\u5728\u68b3\u7406\u4e00\u4e0b\u7b2c3\u79cd
\n<1> test.html\u4e2d\u8bbe\u7f6e\u4e00\u4e2a\u9690\u85cf\u7684iframe\uff0c\u5176src\u4e3ahttp:\/\/b.haha.com\/ajaxProxy.html,\u4e0eajaxData\u5904\u4e8e\u76f8\u540c\u57df\uff0c\u5728iframe\u4e2d\u8bbf\u95eeajaxData\u83b7\u53d6\u8fd4\u56de\u7684\u6570\u636e
\n<2> \u518d\u5229\u7528\u7b2c\u4e8c\u79cd\u65b9\u6cd5\u53bb\u83b7\u53d6iframe\u4e2d\u7684\u6570\u636e\u8fdb\u884c\u5904\u7406<\/p>\n
\u4ee5\u4e0a\u7b2c3\u79cd\u65b9\u5f0f\u662f\u6bd4\u8f83\u5e38\u89c1\u7684\uff0c\u4e5f\u662f\u7528\u7684\u6bd4\u8f83\u591a\u7684\uff0c\u5f53\u7136\u8de8\u57df\u65b9\u5f0f\u6709\u597d\u591a\u79cd\uff0c\u4e0d\u518d\u5217\u4e3e\u3002<\/p>\n
\u6b22\u8fce\u5206\u4eab\u672c\u6587\uff0c\u8f6c\u8f7d\u8bf7\u4fdd\u7559\u51fa\u5904\uff1a\u524d\u7aefABC<\/a> » \u524d\u7aef\u5904\u7406\u8de8\u57df\u7684\u51e0\u79cd\u65b9\u5f0f\u53ca\u539f\u7406<\/a><\/p>","protected":false},"excerpt":{"rendered":"
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