ajax与XML交互
2015-11-22 17:26
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参考:http://www.w3school.com.cn/ajax/index.asp
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>ajax与XML交互</title> </head> <script type="text/javascript"> //使用的服务器页面实际上是一个 XML 文件,名为 "cd_catalog.xml"。 function loadXMLDoc(url){ var xmlhttp; var txt,xx,x,i; if (window.XMLHttpRequest){// code for IE7+, Firefox, Chrome, Opera, Safari xmlhttp=new XMLHttpRequest(); } else{// code for IE6, IE5 xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp.onreadystatechange=function(){ if (xmlhttp.readyState==4 && xmlhttp.status==200){ txt="<table border='1'><tr><th>Title</th><th>Artist</th></tr>"; x=xmlhttp.responseXML.documentElement.getElementsByTagName("CD"); for (i=0;i<x.length;i++){ txt=txt + "<tr>"; xx=x[i].getElementsByTagName("TITLE");////获取XML节点 TITLE { try{ txt=txt + "<td>" + xx[0].firstChild.nodeValue + "</td>"; } catch (er){ txt=txt + "<td> </td>"; } } xx=x[i].getElementsByTagName("ARTIST");////获取XML节点 ARTIST { try{ txt=txt + "<td>" + xx[0].firstChild.nodeValue + "</td>"; } catch (er){ txt=txt + "<td> </td>"; } } txt=txt + "</tr>"; } txt=txt + "</table>"; document.getElementById('txtCDInfo').innerHTML=txt; } } xmlhttp.open("GET",url,true); xmlhttp.send(); } </script> <body> <div id="txtCDInfo" style="margin:15px 0 0 0; border:0; padding:0;"> <button onclick="loadXMLDoc('/example/xmle/cd_catalog.xml')" style="font-family:Verdana, Arial, Helvetica, sans-serif; font-size:12px;">获得 CD 信息</button> </div> <!--cd_catalog.xml--> <!-- <CATALOG> <CD> <TITLE>Empire Burlesque</TITLE> <ARTIST>Bob Dylan</ARTIST> <COUNTRY>USA</COUNTRY> <COMPANY>Columbia</COMPANY> <PRICE>10.90</PRICE> <YEAR>1985</YEAR> </CD> <CD> <TITLE>Hide your heart</TITLE> <ARTIST>Bonnie Tyler</ARTIST> <COUNTRY>UK</COUNTRY> <COMPANY>CBS Records</COMPANY> <PRICE>9.90</PRICE> <YEAR>1988</YEAR> </CD> <CD> <TITLE>Greatest Hits</TITLE> <ARTIST>Dolly Parton</ARTIST> <COUNTRY>USA</COUNTRY> <COMPANY>RCA</COMPANY> <PRICE>9.90</PRICE> <YEAR>1982</YEAR> </CD> <CD> <TITLE>Still got the blues</TITLE> <ARTIST>Gary Moore</ARTIST> <COUNTRY>UK</COUNTRY> <COMPANY>Virgin records</COMPANY> <PRICE>10.20</PRICE> <YEAR>1990</YEAR> </CD> <CD> <TITLE>Eros</TITLE> <ARTIST>Eros Ramazzotti</ARTIST> <COUNTRY>EU</COUNTRY> <COMPANY>BMG</COMPANY> <PRICE>9.90</PRICE> <YEAR>1997</YEAR> </CD> <CD> <TITLE>One night only</TITLE> <ARTIST>Bee Gees</ARTIST> <COUNTRY>UK</COUNTRY> <COMPANY>Polydor</COMPANY> <PRICE>10.90</PRICE> <YEAR>1998</YEAR> </CD> <CD> <TITLE>Sylvias Mother</TITLE> <ARTIST>Dr.Hook</ARTIST> <COUNTRY>UK</COUNTRY> <COMPANY>CBS</COMPANY> <PRICE>8.10</PRICE> <YEAR>1973</YEAR> </CD> <CD> <TITLE>Maggie May</TITLE> <ARTIST>Rod Stewart</ARTIST> <COUNTRY>UK</COUNTRY> <COMPANY>Pickwick</COMPANY> <PRICE>8.50</PRICE> <YEAR>1990</YEAR> </CD> <CD> <TITLE>Romanza</TITLE> <ARTIST>Andrea Bocelli</ARTIST> <COUNTRY>EU</COUNTRY> <COMPANY>Polydor</COMPANY> <PRICE>10.80</PRICE> <YEAR>1996</YEAR> </CD> <CD> <TITLE>When a man loves a woman</TITLE> <ARTIST>Percy Sledge</ARTIST> <COUNTRY>USA</COUNTRY> <COMPANY>Atlantic</COMPANY> <PRICE>8.70</PRICE> <YEAR>1987</YEAR> </CD> <CD> <TITLE>Black angel</TITLE> <ARTIST>Savage Rose</ARTIST> <COUNTRY>EU</COUNTRY> <COMPANY>Mega</COMPANY> <PRICE>10.90</PRICE> <YEAR>1995</YEAR> </CD> <CD> <TITLE>1999 Grammy Nominees</TITLE> <ARTIST>Many</ARTIST> <COUNTRY>USA</COUNTRY> <COMPANY>Grammy</COMPANY> <PRICE>10.20</PRICE> <YEAR>1999</YEAR> </CD> <CD> <TITLE>For the good times</TITLE> <ARTIST>Kenny Rogers</ARTIST> <COUNTRY>UK</COUNTRY> <COMPANY>Mucik Master</COMPANY> <PRICE>8.70</PRICE> <YEAR>1995</YEAR> </CD> <CD> <TITLE>Big Willie style</TITLE> <ARTIST>Will Smith</ARTIST> <COUNTRY>USA</COUNTRY> <COMPANY>Columbia</COMPANY> <PRICE>9.90</PRICE> <YEAR>1997</YEAR> </CD> <CD> <TITLE>Tupelo Honey</TITLE> <ARTIST>Van Morrison</ARTIST> <COUNTRY>UK</COUNTRY> <COMPANY>Polydor</COMPANY> <PRICE>8.20</PRICE> <YEAR>1971</YEAR> </CD> <CD> <TITLE>The very best of</TITLE> <ARTIST>Cat Stevens</ARTIST> <COUNTRY>UK</COUNTRY> <COMPANY>Island</COMPANY> <PRICE>8.90</PRICE> <YEAR>1990</YEAR> </CD> <CD> <TITLE>Stop</TITLE> <ARTIST>Sam Brown</ARTIST> <COUNTRY>UK</COUNTRY> <COMPANY>A and M</COMPANY> <PRICE>8.90</PRICE> <YEAR>1988</YEAR> </CD> <CD> <TITLE>Bridge of Spies</TITLE> <ARTIST>T'Pau</ARTIST> <COUNTRY>UK</COUNTRY> <COMPANY>Siren</COMPANY> <PRICE>7.90</PRICE> <YEAR>1987</YEAR> </CD> <CD> <TITLE>Private Dancer</TITLE> <ARTIST>Tina Turner</ARTIST> <COUNTRY>UK</COUNTRY> <COMPANY>Capitol</COMPANY> <PRICE>8.90</PRICE> <YEAR>1983</YEAR> </CD> <CD> <TITLE>Midt om natten</TITLE> <ARTIST>Kim Larsen</ARTIST> <COUNTRY>EU</COUNTRY> <COMPANY>Medley</COMPANY> <PRICE>7.80</PRICE> <YEAR>1983</YEAR> </CD> <CD> <TITLE>Pavarotti Gala Concert</TITLE> <ARTIST>Luciano Pavarotti</ARTIST> <COUNTRY>UK</COUNTRY> <COMPANY>DECCA</COMPANY> <PRICE>9.90</PRICE> <YEAR>1991</YEAR> </CD> <CD> <TITLE>The dock of the bay</TITLE> <ARTIST>Otis Redding</ARTIST> <COUNTRY>USA</COUNTRY> <COMPANY>Atlantic</COMPANY> <PRICE>7.90</PRICE> <YEAR>1987</YEAR> </CD> <CD> <TITLE>Picture book</TITLE> <ARTIST>Simply Red</ARTIST> <COUNTRY>EU</COUNTRY> <COMPANY>Elektra</COMPANY> <PRICE>7.20</PRICE> <YEAR>1985</YEAR> </CD> <CD> <TITLE>Red</TITLE> <ARTIST>The Communards</ARTIST> <COUNTRY>UK</COUNTRY> <COMPANY>London</COMPANY> <PRICE>7.80</PRICE> <YEAR>1987</YEAR> </CD> <CD> <TITLE>Unchain my heart</TITLE> <ARTIST>Joe Cocker</ARTIST> <COUNTRY>USA</COUNTRY> <COMPANY>EMI</COMPANY> <PRICE>8.20</PRICE> <YEAR>1987</YEAR> </CD> </CATALOG> --> </body> </html>
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