{"id":38,"date":"2006-02-15T21:10:00","date_gmt":"2006-02-15T21:10:00","guid":{"rendered":"http:\/\/marvelliu.wordpress.com\/2006\/02\/15\/%e5%9f%ba%e4%ba%8eajax%e6%a8%a1%e5%bc%8f%e7%9a%84blog-browser"},"modified":"2006-02-15T21:10:00","modified_gmt":"2006-02-15T21:10:00","slug":"%e5%9f%ba%e4%ba%8eajax%e6%a8%a1%e5%bc%8f%e7%9a%84blog-browser","status":"publish","type":"post","link":"https:\/\/marvelliu.space\/?p=38","title":{"rendered":"\u57fa\u4e8eAjax\u6a21\u5f0f\u7684Blog 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target=\"_blank\" href=\"http:\/\/marvel.hit.edu.cn:8080\/weblogs\/get_xml.c\">\u4ee3\u7801\u5728\u6b64<\/a> \u3002\u6267\u884c\u4e4b\u540e\u751f\u6210\u7684\u6587\u4ef6\u4e3a<a target=\"_blank\" href=\"http:\/\/marvel.hit.edu.cn:8080\/weblogs\/get_xml.c\" \/><a target=\"_blank\" href=\"http:\/\/marvel.hit.edu.cn:8080\/weblogs\/list.xml\">list.xml<\/a>\u3002<\/p>\n<p>\u4e4b\u540e\uff0c\u6211\u5728\u6d4f\u89c8\u5668\u4e2d\u5c31\u9700\u8981\u83b7\u5f97list.xml\u7684\u4fe1\u606f\uff0c\u5e76\u4e14\u9700\u8981\u89e3\u6790\u8be5\u6587\u4ef6\u3002\u666e\u901a\u7684\u65b9\u6cd5\u4e0d\u884c\uff0c\u6211\u9700\u8981\u4f7f\u7528<font face=\"Verdana\">XMLHttp\u8bf7\u6c42\uff08\u5728Firefox\u4e2d\u79f0\u4e4b\u4e3aXMLHttpRequest\uff0c\u800c\u5728ie\u4e2d\uff0c\u8fd9\u662f\u4e00\u4e2aActiveX\u63a7\u4ef6\uff0c\u53eb\u505aMicrosoft.XMLHTTP\uff09\u3002<\/font><\/p>\n<p>\u4e0b\u8f7d\u51fd\u6570\u4e3b\u8981\u4ee3\u7801\u5982\u4e0b\uff0c\u8be6\u89c1<a target=\"_blank\" href=\"http:\/\/marvel.hit.edu.cn:8080\/weblogs\/view_xml_blog.html\">\u6e90\u6587\u4ef6<\/a>:<\/p>\n<p>[coolcode lang=&#8221;javascript&#8221;]<br \/>function loadXMLDoc(url)<br \/>{<br \/>\/\/ code for Mozilla, etc.<br \/>if (window.XMLHttpRequest)<br \/>{<br \/>xmlhttp=new XMLHttpRequest();<br \/>}<br \/>\/\/ code for IE<br \/>else if (window.ActiveXObject)<br \/>{<br \/>xmlhttp=new ActiveXObject(&#8220;Microsoft.XMLHTTP&#8221;);<br \/>}<\/p>\n<p>if (xmlhttp)<br \/>{<br \/>xmlhttp.onreadystatechange=xmlhttpChange;<br \/>xmlhttp.open(&#8220;GET&#8221;,url,true);<br \/>xmlhttp.send(null);<br \/>}<br \/>}<br \/>function xmlhttpChange()<br \/>{<br \/>if (xmlhttp.readyState!=4)<br \/>return;<br \/>\/\/ if &#8220;OK&#8221;<br \/>if (xmlhttp.status==200 || xmlhttp.status==0)<br \/>{<br \/>\/\/Code Goes here&#8230;<br \/>}<br \/>else<br \/>{<br \/>document.getElementById(&#8220;content&#8221;).innerHTML = &#8220;Problem retrieving XML  data&#8221;;<br \/>}<br \/>}<br \/>[\/coolcode]<\/p>\n<ol>\t<\/p>\n<li>xmlhttp.readyState\u662f\u6307xmlhttp\u8bf7\u6c42\u7684\u72b6\u6001\uff0c0\u4e3a\u672a\u521d\u59cb\u5316\uff0c1\u4e3a\u6b63\u5728\u88c5\u8f7d\uff0c2\u4e3a\u88c5\u8f7d\u5b8c\u6bd5\uff0c3\u4e3a\u4ea4\u4e92\u4e2d\uff0c4\u4e3a\u5b8c\u6210\u3002\u5f53\u72b6\u6001\u53d1\u751f\u53d8\u5316\u7684\u65f6\u5019\uff0c\u6d4f\u89c8\u5668\u4f1a\u56de\u8c03xmlhttp.onreadystatechange\u51fd\u6570\uff0c\u5373xmlhttpChange\u3002\uff08\u8bf7\u4f7f\u7528\u56de\u8c03\u51fd\u6570\u8fd9\u79cd\u5f62\u5f0f\uff0c\u4e0d\u8981\u4f7f\u7528while\u7684\u65e0\u7a77\u5faa\u73af\u6765\u5224\u65ad\u662f\u5426\u5b8c\u6210\uff0c\u8fd9\u79cd\u65b9\u5f0f\u4f1a\u5927\u91cf\u6d88\u8017\u5904\u7406\u5668\u8d44\u6e90\uff0c\u5e76\u4e14\u4e0d\u80fd\u663e\u793a\u9875\u9762\uff09<br \/>xmlhttp.status\u662f\u6307\u8fd4\u56de\u7684\u72b6\u6001\uff0cWeb\u6b63\u5e38\u8fd4\u56de\u4e3a200 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href=\"http:\/\/marvel.hit.edu.cn:8080\/weblogs\/view_xml_blog.html\">\u6587\u4ef6<\/a>\uff09\uff1a<\/p>\n<p>[coolcode lang=&#8221;javascript&#8221;]<br \/>var title=xmlhttp.responseXML.getElementsByTagName(&#8220;Title&#8221;);<br \/>document.getElementById(&#8220;content&#8221;).innerHTML += (title[0].firstChild.data+&#8221;<br \/>&#8220;);<br \/>var posttime=xmlhttp.responseXML.getElementsByTagName(&#8220;PostTime&#8221;);<br \/>var post;<br \/>if(posttime[0] == null)<br \/>{<br \/>var year=xmlhttp.responseXML.getElementsByTagName(&#8220;Year&#8221;)[0].firstChild.data;<br \/>var month=xmlhttp.responseXML.getElementsByTagName(&#8220;Month&#8221;)[0].firstChild.data;<br \/>var day=xmlhttp.responseXML.getElementsByTagName(&#8220;Day&#8221;)[0].firstChild.data;<br \/>post= year+&#8221; &#8211; &#8220;+month+&#8221; &#8211; &#8220;+day;<br \/>}<br \/>else<br \/>{<br \/>post = posttime[0].firstChild.data;<br \/>}<br \/>document.getElementById(&#8220;content&#8221;).innerHTML += (post+&#8221;<br \/>&#8220;);<\/p>\n<p>var content=xmlhttp.responseXML.getElementsByTagName(&#8220;Content&#8221;);<br \/>document.getElementById(&#8220;content&#8221;).innerHTML += 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\/><font face=\"Verdana\">\u9644\uff1aAjax\uff0c\u5f02\u6b65JavaScript\u4e0eXML\uff0c\u662f\u4f7f\u7528\u5ba2\u6237\u7aef\u811a\u672c\u4e0eWeb\u670d\u52a1\u5668\u4ea4\u6362\u6570\u636e\u7684Web\u5e94\u7528\u5f00\u53d1\u65b9\u6cd5\u3002\u8fd9\u6837\uff0cWeb\u9875\u9762\u4e0d\u7528\u6253\u65ad\u4ea4\u4e92\u6d41\u7a0b\u8fdb\u884c\u91cd\u65b0 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