\u7528PhantomJS\u6765\u7ed9AJAX\u7ad9\u70b9\u505aSEO\u4f18\u5316<\/a><\/li>\n<\/ul>\n\"use strict\";\r\n\r\n\/\/ \u5355\u4e2a\u8d44\u6e90\u7b49\u5f85\u65f6\u95f4\uff0c\u907f\u514d\u8d44\u6e90\u52a0\u8f7d\u540e\u8fd8\u9700\u8981\u52a0\u8f7d\u5176\u4ed6\u8d44\u6e90\r\nvar resourceWait = 500;\r\nvar resourceWaitTimer;\r\n\r\n\/\/ \u6700\u5927\u7b49\u5f85\u65f6\u95f4\r\nvar maxWait = 5000;\r\nvar maxWaitTimer;\r\n\r\n\/\/ \u8d44\u6e90\u8ba1\u6570\r\nvar resourceCount = 0;\r\n\r\n\/\/ PhantomJS WebPage\u6a21\u5757\r\nvar page = require('webpage').create();\r\n\r\n\/\/ NodeJS \u7cfb\u7edf\u6a21\u5757\r\nvar system = require('system');\r\n\r\n\/\/ \u4eceCLI\u4e2d\u83b7\u53d6\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4e3a\u76ee\u6807URL\r\nvar url = system.args[1];\r\n\r\n\/\/ \u8bbe\u7f6ePhantomJS\u89c6\u7a97\u5927\u5c0f\r\npage.viewportSize = {\r\n width: 1280,\r\n height: 1014\r\n};\r\n\r\n\/\/ \u83b7\u53d6\u955c\u50cf\r\nvar capture = function(errCode){\r\n\r\n \/\/ \u5916\u90e8\u901a\u8fc7stdout\u83b7\u53d6\u9875\u9762\u5185\u5bb9\r\n console.log(page.content);\r\n\r\n \/\/ \u6e05\u9664\u8ba1\u65f6\u5668\r\n clearTimeout(maxWaitTimer);\r\n\r\n \/\/ \u4efb\u52a1\u5b8c\u6210\uff0c\u6b63\u5e38\u9000\u51fa\r\n phantom.exit(errCode);\r\n\r\n};\r\n\r\n\/\/ \u8d44\u6e90\u8bf7\u6c42\u5e76\u8ba1\u6570\r\npage.onResourceRequested = function(req){\r\n resourceCount++;\r\n clearTimeout(resourceWaitTimer);\r\n};\r\n\r\n\/\/ \u8d44\u6e90\u52a0\u8f7d\u5b8c\u6bd5\r\npage.onResourceReceived = function (res) {\r\n\r\n \/\/ chunk\u6a21\u5f0f\u7684HTTP\u56de\u5305\uff0c\u4f1a\u591a\u6b21\u89e6\u53d1resourceReceived\u4e8b\u4ef6\uff0c\u9700\u8981\u5224\u65ad\u8d44\u6e90\u662f\u5426\u5df2\u7ecfend\r\n if (res.stage !== 'end'){\r\n return;\r\n }\r\n\r\n resourceCount--;\r\n\r\n if (resourceCount === 0){\r\n\r\n \/\/ \u5f53\u9875\u9762\u4e2d\u5168\u90e8\u8d44\u6e90\u90fd\u52a0\u8f7d\u5b8c\u6bd5\u540e\uff0c\u622a\u53d6\u5f53\u524d\u6e32\u67d3\u51fa\u6765\u7684html\r\n \/\/ \u7531\u4e8eonResourceReceived\u5728\u8d44\u6e90\u52a0\u8f7d\u5b8c\u6bd5\u5c31\u7acb\u5373\u88ab\u8c03\u7528\u4e86\uff0c\u6211\u4eec\u9700\u8981\u7ed9\u4e00\u4e9b\u65f6\u95f4\u8ba9JS\u8dd1\u89e3\u6790\u4efb\u52a1\r\n \/\/ \u8fd9\u91cc\u9ed8\u8ba4\u9884\u7559500\u6beb\u79d2\r\n resourceWaitTimer = setTimeout(capture, resourceWait);\r\n\r\n }\r\n};\r\n\r\n\/\/ \u8d44\u6e90\u52a0\u8f7d\u8d85\u65f6\r\npage.onResourceTimeout = function(req){\r\n resouceCount--;\r\n};\r\n\r\n\/\/ \u8d44\u6e90\u52a0\u8f7d\u5931\u8d25\r\npage.onResourceError = function(err){\r\n resourceCount--;\r\n};\r\n\r\n\/\/ \u6253\u5f00\u9875\u9762\r\npage.open(url, function (status) {\r\n\r\n if (status !== 'success') {\r\n\r\n phantom.exit(1);\r\n\r\n } else {\r\n\r\n \/\/ \u5f53\u6539\u9875\u9762\u7684\u521d\u59cbhtml\u8fd4\u56de\u6210\u529f\u540e\uff0c\u5f00\u542f\u5b9a\u65f6\u5668\r\n \/\/ \u5f53\u5230\u8fbe\u6700\u5927\u65f6\u95f4\uff08\u9ed8\u8ba45\u79d2\uff09\u7684\u65f6\u5019\uff0c\u622a\u53d6\u90a3\u4e00\u65f6\u523b\u6e32\u67d3\u51fa\u6765\u7684html\r\n maxWaitTimer = setTimeout(function(){\r\n\r\n capture(2);\r\n\r\n }, maxWait);\r\n\r\n }\r\n\r\n});\r\n<\/pre>\n <\/p>\n
\u5be6\u969b\u4f7f\u7528<\/strong><\/p>\nphantomjs spider.js http:\/\/www.bocelife.tw<\/pre>\n <\/p>\n
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