{"id":337,"date":"2013-06-20T20:07:52","date_gmt":"2013-06-20T12:07:52","guid":{"rendered":"http:\/\/www.ln.la\/?p=337"},"modified":"2013-06-20T20:07:52","modified_gmt":"2013-06-20T12:07:52","slug":"cdn-jquery","status":"publish","type":"post","link":"https:\/\/www.lnlog.cn\/index.php\/2013\/06\/20\/cdn-jquery\/","title":{"rendered":"\u56fd\u5185\u5916\u5e38\u7528CDN jQuery\u548cWordPress\u52a0\u8f7dJQuery\u5e93\u7684\u65b9\u6cd5"},"content":{"rendered":"

\u56fd\u5185\u5916\u5e38\u7528CDN jQuery\u548cWordPress\u52a0\u8f7dJQuery\u5e93\u7684\u65b9\u6cd5<\/p>\n

\u4e00.<\/span>jQuery\u662f\u6700\u5e38\u7528\u7684JS\u5e93\u4e4b\u4e00\uff0c\u4f7f\u7528jQuery CDN\u6765\u505a\u52a0\u901f\uff0c\u51cf\u5c11\u670d\u52a1\u5668\u538b\u529b\u548c\u901f\u5ea6\u95ee\u9898\u3002<\/p>\n

1\u3001Public Resources on SAE<\/p>\n

\u5730\u5740\uff1ahttp:\/\/lib.sinaapp.com\/<\/a><\/p>\n

2\u3001\u53c8\u62cd\u4e91JS\u5e93\u52a0\u901f\u670d\u52a1<\/p>\n

\u5730\u5740\uff1ahttp:\/\/jscdn.upai.com\/<\/a><\/p>\n

<\/p>\n

3.MiniCDN’s CDN<\/p>\n

\u5730\u5740\uff1ahttp:\/\/www.minicdn.com\/<\/a><\/p>\n

4.jsdelivr’s CDN<\/p>\n

\u5730\u5740\uff1ahttp:\/\/www.jsdelivr.com\/<\/a><\/p>\n

5.cloudflare<\/p>\n

\u5730\u5740\uff1ahttp:\/\/js.cloudflare.com\/<\/a><\/p>\n

6\u3001jQuery’s CDN<\/p>\n

\u5730\u5740\uff1ahttp:\/\/code.jquery.com<\/a><\/p>\n

7\u3001Google’s CDN<\/p>\n

\u5730\u5740\uff1ahttp:\/\/code.google.com\/apis\/ajaxlibs\/<\/a><\/p>\n

8\u3001Microsoft’s CDN<\/p>\n

\u5730\u5740\uff1awww.asp.net\/ajaxlibrary\/cdn.ashx<\/a><\/p>\n

9.\u767e\u5ea6\u4e91(BAE)\u00a0CDN<\/p>\n

\u5730\u5740\uff1ahttp:\/\/developer.baidu.com\/wiki\/index.php?title=docs\/cplat\/libs<\/a><\/p>\n

\u4e8c.<\/span>\u4f7f\u7528CDN jQuery\u52a0\u901fwordpress\u65b9\u6cd5\uff1a<\/p>\n

1.WordPress\u7a33\u59a5\u7684\u52a0\u8f7dJQuery\u5e93(\u9632\u6b62CDN\u5916\u94fe\u5931\u6548)<\/span><\/span><\/p>\n

\u8fd9\u4e2a\u662f\u5236\u4f5c\u4e3b\u9898\u65f6\u9047\u5230\u7684\uff0c\u56e0\u4e3a\u5f15\u7528\u4e86JQuery\u811a\u672c\u5e93\uff0c\u4e3a\u4e86\u6700\u4f73\u7684\u6d4f\u89c8\u4f53\u9a8c\uff0c\u5f53\u7136\u5e0c\u671b\u8fd9\u4e2a\u811a\u672c\u5e93\u52a0\u8f7d\u5f97\u8d8a\u5feb\u8d8a\u597d\uff0c\u6216\u8005\u6211\u4eec\u7684\u4e3b\u673a\u5546\u9650\u5236\u4e86\u6d41\u91cf\uff0cJQuery\u51e0\u5341K\u7684\u6d41\u91cf\u4e5f\u8981\u52d2\u7d27\u88e4\u5e26\u554a\uff0c\u6240\u4ee5\u6211\u4eec\u4f1a\u8003\u8651CDN\uff0c\u56fd\u5185\u5916\u6d41\u884c\u7684JQuery CDN\u6709Google\u7684\u6216\u8005Sina\u4e91\u8ba1\u5212\uff0c\u5730\u5740\u5206\u522b\u662f\uff1a<\/p>\n

http:\/\/ajax.googleapis.com\/ajax\/libs\/jquery\/1.7.2\/jquery.min.js\nhttp:\/\/lib.sinaapp.com\/js\/jquery\/1.7.2\/jquery.min.js<\/pre>\n
\u7136\u540e\u6211\u4eec\u5c31\u53ef\u4ee5\u76f4\u63a5\u7528script\u6807\u7b7e\u5f15\u7528\u4e86\uff0c\u6bd4\u5982\u8fd9\u6837\uff1a<\/p>\n
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<script type=\"text\/javascript\"\n        src=\"http:\/\/lib.sinaapp.com\/js\/jquery\/1.7.2\/jquery.min.js\">\n<\/script><\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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try {\n  var _gaq = _gaq || [];\n  _gaq.push(['_setAccount', 'UA-XXXXXX-X']);\n  _gaq.push(['_trackPageview']);\n\n  (function() {\n  var ga = document.createElement('script');\n  ga.type = 'text\/javascript';\n  ga.async = true;\n  ga.src = ('https:' == document.location.protocol ? 'https:\/\/ssl' : 'http:\/\/www')\n       + '.google-analytics.com\/ga.js';\n  var s = document.getElementsByTagName('script')[0];\n    s.parentNode.insertBefore(ga, s);\n  })();\n}catch(e){}<\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\u8fdb\u4e00\u6b65\u7814\u7a76\u53d1\u73b0\u901a\u8fc7createElement(\u2018script\u2019)\u65b9\u6cd5\u8fd8\u53ef\u4ee5\u83b7\u53d6\u5176\u4ed6\u7279\u6027\uff0c\u6bd4\u5982\u5224\u65ad\u811a\u672c\u662f\u5426\u5df2\u7ecf\u52a0\u8f7d\u5b8c\u6210\uff0c\u8fd9\u4e2a\u8c8c\u4f3c\u5bf9\u4e8e\u521a\u624d\u7684\u95ee\u9898\u6709\u6240\u5e2e\u52a9\u54ce\uff0c\u4e8e\u662f\u6211\u6539\u5199\u4e86\u8fd9\u4e48\u4e00\u6bb5\u4ee3\u7801\uff1a<\/p>\n
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(function( window, undefined ) {\n  window.jQuery || (function(){\n    var mirrors = [\n      \"lib.sinaapp.com\/js\/jquery\/1.7.2\/jquery.min.js\",\n      location.hostname + \"\/blog\/wp-includes\/js\/jquery\/jquery.js\"\n    ];\n    for (var i=0; i<mirrors.length; i++) {\n      if(typeof(window.jQuery) == \"undefined\") {\n        var script = document.createElement('script');\n        script.src = ('https:' == document.location.protocol ? 'https:\/\/' : 'http:\/\/') + mirrors[i];\n        script.type = 'text\/javascript';\n        script.language = 'javascript';\n        script.async = false;\n        script.onload = script.onreadystatechange = function() {\n          if (!this.readyState || this.readyState == 'loaded' || this.readyState == 'complete') {\n            \/\/ \u8fd9\u91cc\u653e\u4f9d\u8d56JQuery\u6267\u884c\u7684\u4ee3\u7801\n            script.onload = script.onreadystatechange = null;\n          }\n        }\n        \/\/ document.body.appendChild(script); \u8fd9\u53e5\u6362\u4e0b\u9762\u4e24\u53e5\n         var s = document.getElementsByTagName('script')[0];\n         s.parentNode.insertBefore(script, s);\n      } else {\n        break;\n      }\n    }\n  })();\n})(window);<\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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\u6211\u540e\u6765\u641c\u7d22\u4e86\u4e00\u4e0b\uff0c\u53c8\u627e\u5230\u4e86\u4e00\u4e2a\u529e\u6cd5<\/a>\uff0c\u90a3\u5c31\u662f\u901a\u8fc7\u4e0b\u9762\u7684\u4ee3\u7801\u6765\u5b9e\u73b0\u52a0\u8f7d\uff1a<\/p>\n
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<script type='text\/javascript' src='http:\/\/lib.sinaapp.com\/js\/jquery\/1.7.2\/jquery.min.js'><\/script>\n<script type=\"text\/javascript\">\n\/\/<![CDATA[\nif (typeof jQuery == 'undefined') {\n  document.write(unescape(\"%3Cscript src='\/blog\/wp-includes\/js\/jquery\/jquery.js' type='text\/javascript'%3E%3C\/script%3E\")); \n}\n\/\/ ]]>\n<\/script><\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\u4e5f\u5c31\u662f\u8bf4\u4e00\u822c\u52a0\u8f7d\u9009\u62e9script\u6807\u7b7e\u5f15\u5165CDN\u5730\u5740\uff0c\u5982\u679c\u52a0\u8f7d\u5931\u8d25\u4e5f\u5c31\u662ftypeof jQuery\u4e3aundefined\uff0c\u90a3\u5c31\u8f93\u51fascript\uff0c\u5e76\u5f15\u5165\u672c\u5730JQuery\u5e93\u3002\u6211\u7528FireBug\u89c2\u5bdf\u4e86\u4e00\u4e0b\uff0c\u53d1\u73b0\u8fd9\u79cd\u65b9\u5f0f\u662f\u963b\u585e\u52a0\u8f7d\uff0c\u4e5f\u5c31\u662f\u540c\u6b65\u7684\uff0c\u5c31\u4e0d\u5b58\u5728\u521a\u624d\u9047\u5230\u7684\u95ee\u9898\u4e86\u3002<\/p>\n
\u5bf9\u4e8eWordPress\u53ef\u4ee5\u901a\u8fc7\u5728functions.php\u91cc\u9762\u4fee\u6539\u6216\u8005\u52a0\u5165\u4e0b\u9762\u7684\u4ee3\u7801\u6765\u5b9e\u73b0\u5d4c\u5165JQuery\u5e93\u3002<\/p>\n
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function my_init() {\n    if (!is_admin()) {\n        wp_deregister_script('jquery');\n        wp_register_script('jquery',(\"http:\/\/lib.sinaapp.com\/js\/jquery\/1.7.2\/jquery.min.js\"), false, \"1.7.2\", false);\n        wp_enqueue_script('jquery');\n    }\n}\nadd_action('init', 'my_init');<\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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wp_deregister_script()\uff1a\u5c06 WordPress \u4e2d\u5f53\u524d\u7684jQuery\u7248\u672c\u7981\u7528<\/p>\n
wp_register_script()\uff1a\u6ce8\u518c\u65b0\u7684 CDN \u7248\u672c\u7684 jQuery<\/p>\n
wp_enqueue_script()\uff1a\u5c06 jQuery \u5f15\u5165\u5230\u4e3b\u9898\u6216\u63d2\u4ef6\u4e2d<\/p>\n
\u503c\u5f97\u6ce8\u610f\u7684\u4e00\u70b9\u662f\uff0c\u5728\u5f15\u5165 jQuery \u4e0a\uff0c\u6211\u4eec\u4f7f\u7528\u4e86 add_action()\uff0c\u800c\u975e add_filter()\uff0c\u56e0\u4e3a\u6211\u4eec\u4e0d\u5e0c\u671b\u53bb\u6539\u53d8 WordPress \u672c\u8eab\u7684\u6587\u4ef6\u4ee3\u7801\uff0c\u76f8\u53cd\uff0c\u5728\u52a0\u8f7d\u65b0\u7684 jQuery \u65f6\uff0c\u6211\u4eec\u8fd8\u8981\u4f9d\u8d56 WordPress \u53bb\u4e3a\u6211\u4eec\u505a\u4e8b\u60c5\uff0c\u6240\u4ee5\u6211\u4eec\u4f7f\u7528\u4e86 action \u94a9\u5b50\uff0c\u800c\u4e0d\u662f filter\u8fc7\u6ee4\u5668\u3002\u66f4\u591a\u5173\u4e8e action \u53ca hook \u8fd9\u4e9b\u4e1c\u897f\u7684\u8be6\u7ec6\u89e3\u91ca\uff0c\u8bf7\u8bbf\u95ee WordPress \u5b98\u65b9\u6587\u6863\u3002<\/p>\n
 <\/p>\n
\u8fd9\u6837head\u6807\u7b7e\u91cc\u5c31\u5d4c\u5165\u4e86script\u5916\u94fe\u7684SinaApp JQuery\u5e93\uff0c\u4e3a\u4e86\u80fd\u5feb\u901f\u6e32\u67d3\u9875\u9762\uff0c\u6709\u4e9b\u540c\u5b66\u559c\u6b22\u5c06\u5176\u52a0\u5165\u9875\u9762\u5e95\u90e8\uff0c\u5176\u5b9e\u53ea\u9700\u8981\u5c06wp_register_script\u6539\u6210\u4e0b\u9762\u8fd9\u6837\u65e2\u53ef\uff1a<\/p>\n
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wp_register_script('jquery',(\"http:\/\/lib.sinaapp.com\/js\/jquery\/1.7.2\/jquery.min.js\"), false, \"1.7.2\", true);<\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\u6ce8\u610f\u6700\u540e\u4e00\u4e2a\u53c2\u6570\uff0c\u4e3atrue\u65f6\u4ee3\u8868\u5c06\u5f15\u7528JQuery\u7684script\u6807\u7b7e\u5d4c\u5165\u9875\u9762\u5e95\u90e8\uff0c\u5982\u679c\u9700\u8981\u52a0\u5165\u989d\u5916\u7684\u5224\u65ad\u4ee3\u7801\uff0c\u6bd4\u5982\u521a\u624d\u7684\u5224\u65adJQuery\u52a0\u8f7d\u5931\u8d25\u5c31\u5f15\u5165\u672c\u5730\u5e93\u7684\u90a3\u6bb5\u53ef\u4ee5\u5148\u5efa\u7acb\u51fd\u6570my_jquery_reload\uff1a<\/p>\n
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function my_jquery_reload() {\n \/\/ \u8fd9\u91cc\u8f93\u51fa\u4ee3\u7801\n}<\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\u5982\u679c\u52a0\u5165\u5934\u90e8(head)\u5219\u4f7f\u7528\u4e0b\u9762\u7684\u4ee3\u7801\uff1a<\/p>\n
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add_action('wp_head', 'my_jquery_reload');<\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\u5982\u679c\u52a0\u5165\u5e95\u90e8\u5219\u4f7f\u7528\u4e0b\u9762\u7684\u4ee3\u7801:<\/p>\n
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add_action('wp_footer', 'my_jquery_reload');<\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\u597d\u4e86\uff0c\u6211\u7684\u4ecb\u7ecd\u5b8c\u4e86\u3002<\/p>\n
2.<\/span><\/p>\n
\u4f7f\u7528\u00a0Google\u00a0jQuery\u00a0\u7684CDN\u65b9\u6cd5\u7528\u8d77\u6765\u4e5f\u5f88\u7b80\u5355\uff0c\u76f4\u63a5\u5728\u7f51\u9875\u91cc\u5f15\u7528Google\u670d\u52a1\u5668\u4e0a\u7684\u76f8\u5173js\u6587\u4ef6\u5c31\u53ef\u4ee5\u4e86\u3002\u4e0d\u8fc7\uff0c\u5982\u679c\u5f15\u7528\u591a\u4e2ajs\uff0c\u5c31\u8981\u63d2\u5165\u591a\u6bb5\u7684script\u3002\u00a0Google\u4e5f\u63d0\u4f9b\u4e86\u76f8\u5e94\u7684\u529e\u6cd5\uff0c\u90a3\u5c31\u662fgoogle\u00a0load\u3002\u6211\u4eec\u53ea\u9700\u8981\u5728\u9875\u9762\u91cc\u5f15\u7528\u4e00\u4e2ajs\u6587\u4ef6\uff0c\u5c31\u53ef\u4ee5\u6839\u636e\u9700\u8981\u5b9e\u65f6\u52a0\u8f7d\u7528\u5230\u7684js\u5e93\u4e86\u3002<\/p>\n
 <\/p>\n
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<scripttype=\u201dtext\/javascript\u201dsrc=\u201dhttp:\/\/www.google.com\/jsapi\u201d><\/script><\/p>\n
\u52a0\u8f7djQuery\uff0c\u53ef\u4ee5\u8fd9\u6837\u4f7f\u7528\uff1a<\/p>\n
google.load(\u201cjquery\u201d,\u201d1.4.4\u2033);<\/p>\n
\u7248\u672c\u5982\u4e0b\uff1ajQuerysnippet:<\/strong> <script\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 src=\"\/\/ajax.googleapis.com\/ajax\/libs\/jquery\/1.10.1\/jquery.min.js\"><\/script><\/code>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0site:<\/strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 http:\/\/jquery.com\/<\/a>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0versions:<\/strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2.0.2, 2.0.1, 2.0.0, 1.10.1, 1.10.0,\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1.9.1, 1.9.0, 1.8.3, 1.8.2, 1.8.1, 1.8.0, 1.7.2, 1.7.1,\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1.7.0, 1.6.4, 1.6.3, 1.6.2, 1.6.1, 1.6.0, 1.5.2, 1.5.1,\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1.5.0, 1.4.4, 1.4.3, 1.4.2, 1.4.1, 1.4.0, 1.3.2, 1.3.1,\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1.3.0, 1.2.6, 1.2.3\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0note:<\/strong> 1.2.5 and 1.2.4 are not hosted due to\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 their short and unstable lives in the wild.<\/p>\n
 <\/p>\n
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google.setOnLoadCallback(function(){\/\/\u8981\u6267\u884c\u7684\u4ee3\u7801});<\/p>\n
\u66f4\u591a\u6709\u5173google\u00a0jsapi\u7684\u76f8\u5173\u4ecb\u7ecd\u548c\u6587\u6863\uff0c\u53ef\u4ee5\u53c2\u8003\uff1agoogle\u00a0AJAX\u00a0\u5e93\u00a0API<\/a><\/p>\n
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\u5728google\u00a0\u7c7b\u5e93\u00a0https:\/\/developers.google.com\/speed\/libraries\/?hl=zh-CN<\/a><\/p>\n
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<scripttype=\u201dtext\/javascript\u201dsrc=\u201dhttp:\/\/ajax.googleapis.com\/ajax\/libs\/jquery\/1.4.4\/jquery.min.js\u201d><\/script><scripttype=\u201dtext\/javascript\u201d><!\u2013!window.jQuery\u00a0&&\u00a0document.write(\u2018<script\u00a0src=http:\/\/ajax.aspnetcdn.com\/ajax\/jQuery\/jquery-1.4.4.min.js><\/script>\u2019);\/\/\u2013><\/script><\/p>\n
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