{"id":1212,"date":"2017-08-14T14:38:06","date_gmt":"2017-08-14T06:38:06","guid":{"rendered":"http:\/\/feizhaojun.com\/?p=1212"},"modified":"2018-06-02T21:46:57","modified_gmt":"2018-06-02T13:46:57","slug":"%e5%89%8d%e7%ab%af%e8%b7%a8%e5%9f%9f%e6%96%b9%e6%b3%95%e6%80%bb%e7%bb%93","status":"publish","type":"post","link":"https:\/\/feizhaojun.com\/?p=1212","title":{"rendered":"\u524d\u7aef\u8de8\u57df\u65b9\u6cd5\u603b\u7ed3"},"content":{"rendered":"

\u4ec0\u4e48\u662f AJAX \u8de8\u57df<\/h3>\n

\u7aef\u53e3\u4e0d\u540c\uff0c\u57df\u540d\uff08\u5305\u62ec\u5b50\u57df\uff0c\u5c42\u7ea7\uff09\u4e0d\u540c\uff0c\u534f\u8bae\u4e0d\u540c\u3002<\/p>\n

\u524d\u7aef\u8de8\u57df<\/h3>\n
    \n
  1. \u8d85\u94fe\u63a5\u3001\u91cd\u5b9a\u5411\u3001\u8868\u5355\u63d0\u4ea4<\/li>\n
  2. \u8d44\u6e90\u5f15\u5165<link>\u3001<script>\u3001<img>\u3001<frame>\u7b49dom\u6807\u7b7e\uff0c\u8fd8\u6709\u6837\u5f0f\u4e2dbackground:url()\u3001@font-face()\u7b49\u6587\u4ef6\u5916\u94fe<\/li>\n
  3. \u811a\u672c\u8bf7\u6c42\uff0cjs\u53d1\u8d77\u7684ajax\u8bf7\u6c42\u3001dom\u548cjs\u5bf9\u8c61\u7684\u8de8\u57df\u64cd\u4f5c\u7b49<\/li>\n<\/ol>\n
      \n
    • \u540c\u6e90\u7b56\u7565\u9650\u5236\u4ee5\u4e0b\u51e0\u79cd\u884c\u4e3a<\/li>\n<\/ul>\n
        \n
      1. Cookie\u3001LocalStorage \u548c IndexDB \u65e0\u6cd5\u8bfb\u53d6<\/li>\n
      2. DOM \u548c Js\u5bf9\u8c61\u65e0\u6cd5\u83b7\u5f97<\/li>\n
      3. AJAX \u8bf7\u6c42\u4e0d\u80fd\u53d1\u9001<\/li>\n<\/ol>\n

        \u8de8\u57df\u65b9\u6cd5(11\u79cd)<\/h3>\n

        1 jsonp\uff0c\u6700\u5e38\u7528\u7684\u7684\u65b9\u6cd5\uff0c\u53ea\u80fd\u901a\u8fc7GET\u8bf7\u6c42\u3002<\/h5>\n

        jsonp\u7684\u539f\u7406\u662f\u628a\u63a5\u53e3\u5730\u5740\u5f53\u4f5c\u4e00\u4e2a\u5916\u5f15\u7684js\u6587\u4ef6\uff0c\u901a\u8fc7<script>\u6807\u7b7e\u6dfb\u52a0\u5230\u9875\u9762\uff0c\u6dfb\u52a0\u4e4b\u540e\u4f1a\u5c06\u5916\u5f15\u6587\u4ef6\u4e2d\u7684\u4ee3\u7801\u5f53\u4f5cJavaScript\u4ee3\u7801\u7acb\u5373\u6267\u884c\u3002<\/p>\n

        \u53e6\u5916\u9700\u8981\u6ce8\u610f\u7684\u662f\uff1a<\/p>\n

        \u5728https\u534f\u8bae\u7684\u7f51\u9875\u4e2d\uff0c\u65e0\u6cd5\u5f15\u5165http\u534f\u8bae\u7684css\u548cjs\u6587\u4ef6\uff0c\u6240\u4ee5\u65e0\u6cd5\u901a\u8fc7JSONP\u8de8\u57dfhttp\u3002<\/p>\n

        \u539f\u751f\u5b9e\u73b0<\/p>\n

        var script = document.createElement('script');\nscript.type = 'text\/javascript';\n\n\/\/ \u4f20\u53c2\u5e76\u6307\u5b9a\u56de\u8c03\u6267\u884c\u51fd\u6570\u4e3aonBack\nscript.src = 'http:\/\/www.domain2.com:8080\/login?user=admin&callback=onBack';\ndocument.head.appendChild(script);\n\n\/\/ \u56de\u8c03\u6267\u884c\u51fd\u6570\nfunction onBack(res) {\n    console.log(res);\n}\n<\/code><\/pre>\n
        \u670d\u52a1\u7aef\u8fd4\u56de\u5982\u4e0b\uff08\u8fd4\u56de\u65f6\u5373\u6267\u884c\u5168\u5c40\u51fd\u6570\uff09\uff1a<\/p>\n
        onBack({\"status\": true, \"user\": \"admin\"})\n<\/code><\/pre>\n
        jquery<\/p>\n
        $.ajax({\n    url: 'http:\/\/www.domain2.com:8080\/login',\n    data: {},\n    dataType: 'jsonp',\n    success:function(res){\n        console.log(res);\n    }\n});\n<\/code><\/pre>\n
        vue<\/p>\n
        this.$http.jsonp('http:\/\/www.domain2.com:8080\/login', {\n    params: {},\n    jsonp: 'onBack'\n}).then((res) => {\n    console.log(res);\n})\n<\/code><\/pre>\n
        2 document.domain<\/h5>\n
        \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<\/p>\n
        \u6bd4\u5982\u6211\u4eec\u73b0\u5728\u6709\u4e24\u4e2a\u9875\u9762\uff1a<\/p>\n
        \u5904\u4e8ew1.domain.com\u57df\u7684a.html<\/p>\n
        <iframe id=\"iframe\" src=\"http:\/\/w1.domain.com\/b.html\"><\/iframe>\n<script>\ndocument.domain = 'domain.com';\nvar user = 'admin';\n<\/script>\n<\/code><\/pre>\n
        \u5904\u4e8ew2.domain.com\u57df\u7684b.html<\/p>\n
        <script>\ndocument.domain = 'domain.com';\n\/\/ \u5982\u679c\u4e0d\u8bbe\u7f6edocument.domain\uff0c\u65e0\u6cd5\u83b7\u53d6\u7236\u7a97\u53e3\u4e2d\u53d8\u91cf\nconsole.log(window.parent.user);\n<\/script>\n<\/code><\/pre>\n
        3 iframe \u548c hash<\/h5>\n
        \u73b0\u5728\u6709\u4e24\u4e2a\u9875\u9762\uff1a<\/p>\n
          \n
        • A\u9875\u9762\uff1awww.domain1.com\/a.html<\/li>\n
        • B\u9875\u9762\uff1awww.domain2.com\/b.html<\/li>\n<\/ul>\n
          \u539f\u7406\u89e3\u91ca\uff0c\u6211\u4eec\u5728A\u9875\u9762\u901a\u8fc7iframe\u5d4c\u5165B\u9875\u9762\uff0c\u8fd9\u6837A\u53ef\u4ee5\u901a\u8fc7\u6dfb\u52a0hash\u628a\u4fe1\u606f\u4f20\u7ed9B\u9875\u9762\uff0c\u4f46\u662fB\u9875\u9762\u600e\u4e48\u56de\u4f20\u7ed9A\u9875\u9762\u5462\uff1f\u6211\u4eec\u5728B\u9875\u9762\u5f53\u4e2d\u518d\u901a\u8fc7iframe\u5d4c\u5165\u4e00\u4e2a\u548cA\u9875\u9762\u540c\u6e90\u7684C\u9875\u9762\uff0c\u56e0\u4e3aA\u548cC\u662f\u4e0d\u9700\u8981\u8de8\u57df\u7684\uff0c\u5c31\u6210\u4e86A\u548cB\u7684\u4e2d\u4ecb\uff1a
          \n- C\u9875\u9762\uff1awww.domain1.com\/c.html<\/p>\n
          a.html<\/p>\n
          <iframe id=\"iframe\" src=\"http:\/\/www.domain2.com\/b.html\" style=\"display:none;\"><\/iframe>\n<script>\nvar iframe = document.getElementById('iframe');\n\/\/ \u5411b.html\u4f20hash\u503c\niframe.src = iframe.src + '#value';\n\/\/ \u5f00\u653e\u7ed9\u540c\u57dfc.html\u7684\u56de\u8c03\u65b9\u6cd5\nfunction onBack(res) {\n    console.log(res);   \/\/ \u5c06\u4f1a\u8f93\u51fa \u2018#value\u2019\n}\n<\/script>\n<\/code><\/pre>\n
          b.html<\/p>\n
          <iframe id=\"iframe\" src=\"http:\/\/www.domain1.com\/c.html\" style=\"display:none;\"><\/iframe>\n<script>\nvar iframe = document.getElementById('iframe');\n\n\/\/ \u76d1\u542ca.html\u4f20\u6765\u7684hash\u503c\uff0c\u518d\u4f20\u7ed9c.html\nwindow.onhashchange = function () {\n    iframe.src = iframe.src + location.hash;\n};\n<\/script>\n<\/code><\/pre>\n
          c.html<\/p>\n
          <script>\n\/\/ \u76d1\u542cb.html\u4f20\u6765\u7684hash\u503c\nwindow.onhashchange = function () {\n    \/\/ \u518d\u901a\u8fc7\u64cd\u4f5c\u540c\u57dfa.html\u7684js\u56de\u8c03\uff0c\u5c06\u7ed3\u679c\u4f20\u56de\n    window.parent.parent.onBack(location.hash);\n};\n<\/script>\n<\/code><\/pre>\n
          4 iframe \u548c window.name<\/h5>\n
          window.name\u503c\u5728\u4e0d\u540c\u7684\u9875\u9762\uff08\u751a\u81f3\u4e0d\u540c\u57df\u540d\uff09\u52a0\u8f7d\u540e\u4f9d\u65e7\u5b58\u5728\uff0c\u652f\u6301\u5927\u91cf\u4fe1\u606f\uff082MB\uff09\u3002<\/p>\n
          \u73b0\u5728\u6709\u4e24\u4e2a\u9875\u9762\uff1a
          \n- A\u9875\u9762\uff1awww.domain1.com\/a.html
          \n- B\u9875\u9762\uff1awww.domain2.com\/b.html
          \n\u6211\u4eec\u60f3\u5728A\u9875\u9762\u8bfb\u53d6B\u9875\u9762\u4e2d\u7684\u4fe1\u606f\uff0c\u76f4\u63a5\u662f\u6ca1\u6cd5\u83b7\u53d6\u7684\uff0c\u6240\u4ee5\u6211\u4eec\u73b0\u5728B\u9875\u9762\u4e2d\u5c06\u6240\u8981\u53d6\u7684\u4fe1\u606f\u8d4b\u503c\u7ed9window.name\uff1a<\/p>\n
          b.html<\/p>\n
          <script>\nwindow.name = 'some message';\n<\/script>\n<\/code><\/pre>\n
          \u7136\u540e\u5728A\u9875\u9762\u5f53\u4e2d\uff0c\u52a0\u8f7dB\u9875\u9762\uff0c\u52a0\u8f7d\u5b8c\u4e4b\u540e\uff0c\u5728\u540c\u4e00\u7a97\u53e3\uff08contentWindow\uff09\u52a0\u8f7d\u4e00\u4e2a\u548cA\u9875\u9762\u540c\u6e90\u7684C\u9875\u9762\u3002\u8fd9\u65f6\u5019C\u9875\u9762\u4f9d\u65e7\u4fdd\u5b58\u6709B\u9875\u9762\u7684window.name\u4fe1\u606f\uff0cA\u5c31\u53ef\u4ee5\u76f4\u63a5\u8bfb\u53d6\uff08\u56e0\u4e3aA\u548cC\u662f\u540c\u6e90\u7684\uff0c\u4e0d\u9700\u8de8\u57df\uff09\u3002<\/p>\n
          a.html<\/p>\n
          <script>\nvar state = 0;\nvar iframe = document.createElement('iframe');\n\/\/ \u52a0\u8f7d\u8de8\u57dfB\u9875\u9762\niframe.src = 'http:\/\/www.domain2.com\/b.html';\ndocument.body.appendChild(iframe);\n\/\/ \u52a0\u8f7d\u5b8c\u6210\u4e4b\u540e\u53bb\u52a0\u8f7dC\u9875\u9762\uff0c\u56e0\u4e3a\u52a0\u8f7dB\u548cC\u90fd\u4f1a\u89e6\u53d1onload\u4e8b\u4ef6\uff0c\u6240\u4ee5\u6211\u4eec\u4f7f\u7528\u4e00\u4e2astate\u53d8\u91cf\u6765\u7ba1\u7406\niframe.onload = function(){\n    if(state == 0){\n        iframe.contentWindow.location = 'http:\/\/www.domain1.com\/c.html';\n        state = 1;\n    }else if(state == 1){\n        \/\/ state == 1 \u8bf4\u660eC\u9875\u9762\u5df2\u7ecf\u52a0\u8f7d\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u540c\u6e90\u9875\u9762\u8c03\u7528\u56de\u8c03\u51fd\u6570\u53d6\u503c\u4e86\n        onBack(iframe.contentWindow.name);\n    }\n}\n\nfunction onBack(res){\n    console.log(res)\n}\n<\/script>\n<\/code><\/pre>\n
          c.html<\/p>\n
          C\u9875\u9762\u4e0d\u9700\u8981\u4efb\u4f55\u5185\u5bb9\u3002<\/p>\n
          5 postMessage<\/h5>\n
          \u7406\u8bba\u4e0a\u652f\u6301\uff1a<\/p>\n
          \u9875\u9762\u548c\u65b0\u7a97\u53e3\u6570\u636e\u4f20\u9012<\/p>\n
          \u591a\u7a97\u53e3\u6570\u636e\u4f20\u9012<\/p>\n
          \u9875\u9762\u4e0e\u5d4c\u5957iframe\u6570\u636e\u4f20\u9012<\/p>\n
          \u5df2\u83b7\u5f97\u591a\u6570\u6d4f\u89c8\u5668\u652f\u6301\uff0cIE7-\u4e0d\u652f\u6301\uff0cIE8-IE11\u652f\u6301iframe\u6570\u636e\u4f20\u9012<\/p>\n
          postMessage(message,targetOrigin)\u63a5\u53d7\u4e24\u4e2a\u53c2\u6570\uff0c\u4e00\u4e2a\u662f\u8981\u4f20\u9012\u7684\u4fe1\u606f\uff0c\u4e00\u4e2a\u662f\u5141\u8bb8\u6d88\u606f\u63a5\u6536\u7684\u57df\u540d\uff0c\u4e0d\u9650\u5236\u53ef\u4ee5\u7528 *\u3002<\/p>\n
          message\u53ef\u4ee5\u662f\u5b57\u7b26\u4e32\uff0c\u4e5f\u53ef\u4ee5\u662fObject\uff08IE8-IE9\u4e0d\u652f\u6301\uff09\u3002<\/p>\n
          \u5047\u8bbe\u6709\u4e24\u4e2a\u9875\u9762\uff1a<\/p>\n
            \n
          • A\u9875\u9762\uff1awww.domain1.com\/a.html<\/li>\n
          • B\u9875\u9762\uff1awww.domain2.com\/b.html<\/li>\n<\/ul>\n
            \u5728 a.html \u548c b.html \u4ee5\u540c\u6837\u7684\u65b9\u6cd5\uff0c\u7f16\u5199\u53d1\u9001\uff08postMessage\uff09\u548c\u63a5\u6536\uff08addEventListener\uff09\u4ee3\u7801<\/p>\n
            a.html<\/p>\n
            <iframe id=\"iframe\" src=\"http:\/\/www.domain2.com\/b.html\" style=\"display:none;\"><\/iframe>\n<script>      \nvar iframe = document.getElementById('iframe');\niframe.onload = function() {\n    \/\/ \u5411 b.html \u53d1\u9001\u8de8\u57df\u6570\u636e\n    iframe.contentWindow.postMessage('some message', 'http:\/\/www.domain2.com');\n};\n\/\/ \u63a5\u6536 a.html \u8fd4\u56de\u6570\u636e\nwindow.addEventListener('message', function(res) {\n    console.log(res.data);\n}, false);\n<\/script>\n<\/code><\/pre>\n
            b.html<\/p>\n
            <script>\nwindow.addEventListener('message', function(res) {\n    console.log(res.data);\n    \/\/ \u6536\u5230\u4e4b\u540e\uff0c\u8fd4\u56de\u4e00\u4e9b\u6570\u636e\u7ed9 a.html\n    window.parent.postMessage('some message back', 'http:\/\/www.domain1.com');\n}, false);\n<\/script>\n<\/code><\/pre>\n
            6 CORS<\/h5>\n
            \u666e\u901a\u8de8\u57df\u8bf7\u6c42\uff1a\u540e\u7aef\u8bbe\u7f6e Access-Control-Allow-Origin \u5373\u53ef\uff0c\u524d\u7aef\u65e0\u987b\u8bbe\u7f6e\u3002<\/p>\n
            \u5e26cookie\u8bf7\u6c42\uff1a\u524d\u540e\u7aef\u90fd\u9700\u8981\u8bbe\u7f6e\u5b57\u6bb5\uff0c\u53e6\u5916\u9700\u6ce8\u610f\uff1a\u6240\u5e26cookie\u4e3a\u8de8\u57df\u8bf7\u6c42\u540e\u7aef\u63a5\u53e3\u6240\u5728\u57df\u7684cookie\uff0c\u800c\u975e\u5f53\u524d\u9875\u3002<\/p>\n
            IE8\/9\u9700\u8981\u4f7f\u7528XDomainRequest\u5bf9\u8c61\u6765\u652f\u6301CORS\u3002<\/p>\n
            \u5982\u679c\u4e0d\u9700\u8981\u643a\u5e26 cookie\uff0c\u76f4\u63a5\u5728\u540e\u7aef\u8bbe\u7f6eheader\uff1a<\/p>\n
            Java\uff1a<\/p>\n
            response.setHeader(\"Access-Control-Allow-Origin\", \"http:\/\/www.domain1.com\");\n\/\/ \u82e5\u6709\u7aef\u53e3\u9700\u5199\u5168\uff08\u534f\u8bae+\u57df\u540d+\u7aef\u53e3\uff09\uff0c\u53ef\u4ee5\u4f7f\u7528 *\n<\/code><\/pre>\n
            PHP\uff1a<\/p>\n
            header(\"Access-Control-Allow-Origin: http:\/\/www.domain1.com\");\n<\/code><\/pre>\n
            \u5982\u679c\u9700\u8981\u643a\u5e26 cookie\uff0c\u524d\u7aef\u8bbe\u7f6e\uff1a<\/p>\n
            \u539f\u751f\uff1a<\/p>\n
            xhr.withCredentials = true;\n<\/code><\/pre>\n
            jQuery\uff1a<\/p>\n
            $.ajax({\n    \/\/ ...\n    xhrFields: {\n        withCredentials: true   \/\/ \u524d\u7aef\u8bbe\u7f6e\u662f\u5426\u5e26cookie\n    },\n    crossDomain: true,  \/\/ \u4f1a\u8ba9\u8bf7\u6c42\u5934\u4e2d\u5305\u542b\u8de8\u57df\u7684\u989d\u5916\u4fe1\u606f\uff0c\u4f46\u4e0d\u4f1a\u542bcookie\n    \/\/ ...\n});\n<\/code><\/pre>\n
            vue\uff1a<\/p>\n
            Vue.http.options.credentials = true\n<\/code><\/pre>\n
            \u540e\u7aef\u9700\u8981\u5728header\u5f53\u4e2d\u6dfb\u52a0 Access-Control-Allow-Credentials\uff0c\u503c\u4e3a true\u3002<\/p>\n
            \u5728 PHP \u4e2d\uff1a<\/p>\n
            header('Access-Control-Allow-Credentials', 'true');  \u5bf9 \nheader('Access-Control-Allow-Credentials', true);\u9519\n<\/code><\/pre>\n
            7 Nginx \u4ee3\u7406<\/h5>\n
            \u8de8\u57df\u539f\u7406\uff1a \u540c\u6e90\u7b56\u7565\u662f\u6d4f\u89c8\u5668\u7684\u5b89\u5168\u7b56\u7565\uff0c\u4e0d\u662fHTTP\u534f\u8bae\u7684\u4e00\u90e8\u5206\u3002\u670d\u52a1\u5668\u7aef\u8c03\u7528HTTP\u63a5\u53e3\u53ea\u662f\u4f7f\u7528HTTP\u534f\u8bae\uff0c\u4e0d\u4f1a\u6267\u884cJS\u811a\u672c\uff0c\u4e0d\u9700\u8981\u540c\u6e90\u7b56\u7565\uff0c\u4e5f\u5c31\u4e0d\u5b58\u5728\u8de8\u8d8a\u95ee\u9898\u3002<\/p>\n
            \u5b9e\u73b0\u601d\u8def\uff1a\u901a\u8fc7nginx\u914d\u7f6e\u4e00\u4e2a\u4ee3\u7406\u670d\u52a1\u5668\uff08\u57df\u540d\u4e0edomain1\u76f8\u540c\uff0c\u7aef\u53e3\u4e0d\u540c\uff09\u505a\u8df3\u677f\u673a\uff0c\u53cd\u5411\u4ee3\u7406\u8bbf\u95eedomain2\u63a5\u53e3\uff0c\u5e76\u4e14\u53ef\u4ee5\u987a\u4fbf\u4fee\u6539cookie\u4e2ddomain\u4fe1\u606f\uff0c\u65b9\u4fbf\u5f53\u524d\u57dfcookie\u5199\u5165\uff0c\u5b9e\u73b0\u8de8\u57df\u767b\u5f55\u3002<\/p>\n
            nginx\u5177\u4f53\u914d\u7f6e\uff1a<\/p>\n
            #proxy\u670d\u52a1\u5668\nserver {\n    listen       81;\n    server_name  www.domain1.com;\n\n    location \/ {\n        proxy_pass   http:\/\/www.domain2.com:8080;  #\u53cd\u5411\u4ee3\u7406\n        proxy_cookie_domain www.domain2.com www.domain1.com; #\u4fee\u6539cookie\u91cc\u57df\u540d\n        index  index.html index.htm;\n\n        # \u5f53\u7528webpack-dev-server\u7b49\u4e2d\u95f4\u4ef6\u4ee3\u7406\u63a5\u53e3\u8bbf\u95eenignx\u65f6\uff0c\u6b64\u65f6\u65e0\u6d4f\u89c8\u5668\u53c2\u4e0e\uff0c\u6545\u6ca1\u6709\u540c\u6e90\u9650\u5236\uff0c\u4e0b\u9762\u7684\u8de8\u57df\u914d\u7f6e\u53ef\u4e0d\u542f\u7528\n        add_header Access-Control-Allow-Origin http:\/\/www.domain1.com;  #\u5f53\u524d\u7aef\u53ea\u8de8\u57df\u4e0d\u5e26cookie\u65f6\uff0c\u53ef\u4e3a*\n        add_header Access-Control-Allow-Credentials true;\n    }\n}\n<\/code><\/pre>\n
            1.)\u524d\u7aef\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n
            var xhr = new XMLHttpRequest();\n\n\/\/ \u524d\u7aef\u5f00\u5173\uff1a\u6d4f\u89c8\u5668\u662f\u5426\u8bfb\u5199cookie\nxhr.withCredentials = true;\n\n\/\/ \u8bbf\u95eenginx\u4e2d\u7684\u4ee3\u7406\u670d\u52a1\u5668\nxhr.open('get', 'http:\/\/www.domain1.com:81\/?user=admin', true);\nxhr.send();\n<\/code><\/pre>\n
            2.) Nodejs\u540e\u53f0\u793a\u4f8b\uff1a<\/p>\n
            var http = require('http');\nvar server = http.createServer();\nvar qs = require('querystring');\n\nserver.on('request', function(req, res) {\n    var params = qs.parse(req.url.substring(2));\n\n    \/\/ \u5411\u524d\u53f0\u5199cookie\n    res.writeHead(200, {\n        'Set-Cookie': 'l=a123456;Path=\/;Domain=www.domain2.com;HttpOnly'   \/\/ HttpOnly:\u811a\u672c\u65e0\u6cd5\u8bfb\u53d6\n    });\n\n    res.write(JSON.stringify(params));\n    res.end();\n});\n\nserver.listen('8080');\nconsole.log('Server is running at port 8080...');\n<\/code><\/pre>\n
            8 Node \u4e2d\u95f4\u4ef6\u4ee3\u7406<\/h5>\n
            node\u4e2d\u95f4\u4ef6\u5b9e\u73b0\u8de8\u57df\u4ee3\u7406\uff0c\u539f\u7406\u5927\u81f4\u4e0enginx\u76f8\u540c\uff0c\u90fd\u662f\u901a\u8fc7\u542f\u4e00\u4e2a\u4ee3\u7406\u670d\u52a1\u5668\uff0c\u5b9e\u73b0\u6570\u636e\u7684\u8f6c\u53d1\u3002<\/p>\n
            1\u3001 \u975evue\u6846\u67b6\u7684\u8de8\u57df\uff082\u6b21\u8de8\u57df\uff09<\/p>\n
            \u5229\u7528node + express + http-proxy-middleware\u642d\u5efa\u4e00\u4e2aproxy\u670d\u52a1\u5668\u3002<\/p>\n
            1.\uff09\u524d\u7aef\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n
            var xhr = new XMLHttpRequest();\n\n\/\/ \u524d\u7aef\u5f00\u5173\uff1a\u6d4f\u89c8\u5668\u662f\u5426\u8bfb\u5199cookie\nxhr.withCredentials = true;\n\n\/\/ \u8bbf\u95eehttp-proxy-middleware\u4ee3\u7406\u670d\u52a1\u5668\nxhr.open('get', 'http:\/\/www.domain1.com:3000\/login?user=admin', true);\nxhr.send();\n<\/code><\/pre>\n
            2.\uff09\u4e2d\u95f4\u4ef6\u670d\u52a1\u5668\uff1a<\/p>\n
            var express = require('express');\nvar proxy = require('http-proxy-middleware');\nvar app = express();\n\napp.use('\/', proxy({\n    \/\/ \u4ee3\u7406\u8de8\u57df\u76ee\u6807\u63a5\u53e3\n    target: 'http:\/\/www.domain2.com:8080',\n    changeOrigin: true,\n\n    \/\/ \u4fee\u6539\u54cd\u5e94\u5934\u4fe1\u606f\uff0c\u5b9e\u73b0\u8de8\u57df\u5e76\u5141\u8bb8\u5e26cookie\n    onProxyRes: function(proxyRes, req, res) {\n        res.header('Access-Control-Allow-Origin', 'http:\/\/www.domain1.com');\n        res.header('Access-Control-Allow-Credentials', 'true');\n    },\n\n    \/\/ \u4fee\u6539\u54cd\u5e94\u4fe1\u606f\u4e2d\u7684cookie\u57df\u540d\n    cookieDomainRewrite: 'www.domain1.com'  \/\/ \u53ef\u4ee5\u4e3afalse\uff0c\u8868\u793a\u4e0d\u4fee\u6539\n}));\n\napp.listen(3000);\nconsole.log('Proxy server is listen at port 3000...');\n<\/code><\/pre>\n
            3.\uff09Nodejs\u540e\u53f0\u540c\uff08\u516d\uff1anginx\uff09<\/p>\n
            2\u3001 vue\u6846\u67b6\u7684\u8de8\u57df\uff081\u6b21\u8de8\u57df\uff09<\/p>\n
            \u5229\u7528node + webpack + webpack-dev-server\u4ee3\u7406\u63a5\u53e3\u8de8\u57df\u3002\u5728\u5f00\u53d1\u73af\u5883\u4e0b\uff0c\u7531\u4e8evue\u6e32\u67d3\u670d\u52a1\u548c\u63a5\u53e3\u4ee3\u7406\u670d\u52a1\u90fd\u662fwebpack-dev-server\u540c\u4e00\u4e2a\uff0c\u6240\u4ee5\u9875\u9762\u4e0e\u4ee3\u7406\u63a5\u53e3\u4e4b\u95f4\u4e0d\u518d\u8de8\u57df\uff0c\u65e0\u987b\u8bbe\u7f6eheaders\u8de8\u57df\u4fe1\u606f\u4e86\u3002<\/p>\n
            webpack.config.js\u90e8\u5206\u914d\u7f6e\uff1a<\/p>\n
            module.exports = {\n    entry: {},\n    module: {},\n    ...\n    devServer: {\n        historyApiFallback: true,\n        proxy: [{\n            context: '\/login',\n            target: 'http:\/\/www.domain2.com:8080',  \/\/ \u4ee3\u7406\u8de8\u57df\u76ee\u6807\u63a5\u53e3\n            changeOrigin: true,\n            cookieDomainRewrite: 'www.domain1.com'  \/\/ \u53ef\u4ee5\u4e3afalse\uff0c\u8868\u793a\u4e0d\u4fee\u6539\n        }],\n        noInfo: true\n    }\n}\n<\/code><\/pre>\n
            9 WebSocket<\/h5>\n
            WebSocket protocol\u662fHTML5\u4e00\u79cd\u65b0\u7684\u534f\u8bae\u3002\u5b83\u5b9e\u73b0\u4e86\u6d4f\u89c8\u5668\u4e0e\u670d\u52a1\u5668\u5168\u53cc\u5de5\u901a\u4fe1\uff0c\u540c\u65f6\u5141\u8bb8\u8de8\u57df\u901a\u8baf\uff0c\u662fserver push\u6280\u672f\u7684\u4e00\u79cd\u5f88\u597d\u7684\u5b9e\u73b0\u3002
            \n\u539f\u751fWebSocket API\u4f7f\u7528\u8d77\u6765\u4e0d\u592a\u65b9\u4fbf\uff0c\u6211\u4eec\u4f7f\u7528Socket.io\uff0c\u5b83\u5f88\u597d\u5730\u5c01\u88c5\u4e86webSocket\u63a5\u53e3\uff0c\u63d0\u4f9b\u4e86\u66f4\u7b80\u5355\u3001\u7075\u6d3b\u7684\u63a5\u53e3\uff0c\u4e5f\u5bf9\u4e0d\u652f\u6301webSocket\u7684\u6d4f\u89c8\u5668\u63d0\u4f9b\u4e86\u5411\u4e0b\u517c\u5bb9\u3002<\/p>\n
            1.\uff09\u524d\u7aef\u4ee3\u7801\uff1a<\/p>\n
            <div>user input\uff1a<input type=\"text\"><\/div>\n<script src=\".\/socket.io.js\"><\/script>\n<script>\nvar socket = io('http:\/\/www.domain2.com:8080');\n\n\/\/ \u8fde\u63a5\u6210\u529f\u5904\u7406\nsocket.on('connect', function() {\n    \/\/ \u76d1\u542c\u670d\u52a1\u7aef\u6d88\u606f\n    socket.on('message', function(msg) {\n        console.log('data from server: ---> ' + msg);\n    });\n\n    \/\/ \u76d1\u542c\u670d\u52a1\u7aef\u5173\u95ed\n    socket.on('disconnect', function() {\n        console.log('Server socket has closed.');\n    });\n});\n\ndocument.getElementsByTagName('input')[0].onblur = function() {\n    socket.send(this.value);\n};\n<\/script>\n<\/code><\/pre>\n
            2.\uff09Nodejs socket\u540e\u53f0\uff1a<\/p>\n
            var http = require('http');\nvar socket = require('socket.io');\n\n\/\/ \u542fhttp\u670d\u52a1\nvar server = http.createServer(function(req, res) {\n    res.writeHead(200, {\n        'Content-type': 'text\/html'\n    });\n    res.end();\n});\n\nserver.listen('8080');\nconsole.log('Server is running at port 8080...');\n\n\/\/ \u76d1\u542csocket\u8fde\u63a5\nsocket.listen(server).on('connection', function(client) {\n    \/\/ \u63a5\u6536\u4fe1\u606f\n    client.on('message', function(msg) {\n        client.send('hello\uff1a' + msg);\n        console.log('data from client: ---> ' + msg);\n    });\n\n    \/\/ \u65ad\u5f00\u5904\u7406\n    client.on('disconnect', function() {\n        console.log('Client socket has closed.');\n    });\n});\n<\/code><\/pre>\n
            10 navigation<\/h5>\n
            \u5728IE6-IE7\u5f53\u4e2d\uff0ciframe\u4e4b\u95f4\u662f\u5171\u4eab\u4e00\u4e2awindow.navigation\u7684\uff0c\u8fd9\u4e2a\u7c7b\u4f3c\u4e8ewindow.name\u3002<\/p>\n
            11 Flash URLLoader<\/h5>\n
            \u653e\u5f03<\/p>\n","protected":false},"excerpt":{"rendered":"
            \u4ec0\u4e48\u662f AJAX \u8de8\u57df \u7aef\u53e3\u4e0d\u540c\uff0c\u57df\u540d\uff08\u5305\u62ec\u5b50\u57df\uff0c\u5c42\u7ea7\uff09\u4e0d\u540c\uff0c\u534f\u8bae\u4e0d\u540c\u3002 \u524d\u7aef\u8de8\u57df \u8d85\u94fe\u63a5\u3001\u91cd\u5b9a\u5411\u3001\u8868\u5355\u63d0\u4ea4 \u8d44\u6e90\u5f15\u5165&…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3,5],"tags":[],"class_list":["post-1212","post","type-post","status-publish","format-standard","hentry","category-fe","category-javascript"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/feizhaojun.com\/index.php?rest_route=\/wp\/v2\/posts\/1212","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/feizhaojun.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/feizhaojun.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/feizhaojun.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/feizhaojun.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1212"}],"version-history":[{"count":12,"href":"https:\/\/feizhaojun.com\/index.php?rest_route=\/wp\/v2\/posts\/1212\/revisions"}],"predecessor-version":[{"id":1894,"href":"https:\/\/feizhaojun.com\/index.php?rest_route=\/wp\/v2\/posts\/1212\/revisions\/1894"}],"wp:attachment":[{"href":"https:\/\/feizhaojun.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1212"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/feizhaojun.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1212"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/feizhaojun.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1212"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}