用JavaScript操作XML
2006/8/3 12:56:46
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用JavaScript操作XML 文中尽量用上所有的操作和属性，以做示范 500)this.width=500'><script language="JavaScript">500)this.width=500'><!--500)this.width=500'>var doc = new ActiveXObject("Msxml2.DOMDocument"); //ie5.5+,CreateObject("Microsoft.XMLDOM") 500)this.width=500'>500)this.width=500'>500)this.width=500'>//加载文档500)this.width=500'>//doc.load("b.xml");500)this.width=500'>500)this.width=500'>//创建文件头500)this.width=500'>var p = doc.createProcessingInstruction("xml","version='1.0' encoding='gb2312'");500)this.width=500'>500)this.width=500'> //添加文件头500)this.width=500'> doc.appendChild(p);500)this.width=500'>500)this.width=500'>//用于直接加载时获得根接点500)this.width=500'>//var root = doc.documentElement;500)this.width=500'>500)this.width=500'>//两种方式创建根接点500)this.width=500'>// var root = doc.createElement("students");500)this.width=500'> var root = doc.createNode(1,"students","");500)this.width=500'>500)this.width=500'> //创建子接点500)this.width=500'> var n = doc.createNode(1,"ttyp","");500)this.width=500'>500)this.width=500'> //指定子接点文本500)this.width=500'> //n.text = " this is a test";500)this.width=500'> 500)this.width=500'> //创建孙接点500)this.width=500'> var o = doc.createElement("sex");500)this.width=500'> o.text = "男"; //指定其文本500)this.width=500'>500)this.width=500'> //创建属性500)this.width=500'> var r = doc.createAttribute("id");500)this.width=500'> r.value="test";500)this.width=500'>500)this.width=500'> //添加属性500)this.width=500'> n.setAttributeNode(r);500)this.width=500'>500)this.width=500'> //创建第二个属性 500)this.width=500'> var r1 = doc.createAttribute("class");500)this.width=500'> r1.value="tt";500)this.width=500'> 500)this.width=500'> //添加属性500)this.width=500'> n.setAttributeNode(r1);500)this.width=500'>500)this.width=500'> //删除第二个属性500)this.width=500'> n.removeAttribute("class");500)this.width=500'>500)this.width=500'> //添加孙接点500)this.width=500'> n.appendChild(o);500)this.width=500'>500)this.width=500'> //添加文本接点500)this.width=500'> n.appendChild(doc.createTextNode("this is a text node."));500)this.width=500'>500)this.width=500'> //添加注释500)this.width=500'> n.appendChild(doc.createComment("this is a comment\n"));500)this.width=500'> 500)this.width=500'> //添加子接点500)this.width=500'> root.appendChild(n);500)this.width=500'> 500)this.width=500'> //复制接点500)this.width=500'> var m = n.cloneNode(true);500)this.width=500'>500)this.width=500'> root.appendChild(m);500)this.width=500'> 500)this.width=500'> //删除接点500)this.width=500'> root.removeChild(root.childNodes(0));500)this.width=500'>500)this.width=500'> //创建数据段500)this.width=500'> var c = doc.createCDATASection("this is a cdata");500)this.width=500'> c.text = "hi,cdata";500)this.width=500'> //添加数据段500)this.width=500'> root.appendChild(c);500)this.width=500'> 500)this.width=500'> //添加根接点500)this.width=500'> doc.appendChild(root);500)this.width=500'>500)this.width=500'> //查找接点500)this.width=500'> var a = doc.getElementsByTagName("ttyp");500)this.width=500'> //var a = doc.selectNodes("//ttyp");500)this.width=500'>500)this.width=500'> //显示改接点的属性500)this.width=500'> for(var i= 0;i<a.length;i++)500)this.width=500'>500)this.width=500'> 500)this.width=500'>{500)this.width=500'> alert(a[i].xml);500)this.width=500'> for(var j=0;j<a[i].attributes.length;j++)500)this.width=500'>500)this.width=500'> 500)this.width=500'>{500)this.width=500'> alert(a[i].attributes[j].name);500)this.width=500'> }500)this.width=500'> }500)this.width=500'>500)this.width=500'> //修改节点,利用XPATH定位节点500)this.width=500'> var b = doc.selectSingleNode("//ttyp/sex");500)this.width=500'> b.text = "女";500)this.width=500'>500)this.width=500'> //alert(doc.xml);500)this.width=500'>500)this.width=500'> //XML保存（需要在服务端，客户端用FSO）500)this.width=500'> //doc.save();500)this.width=500'> 500)this.width=500'> //查看根接点XML500)this.width=500'> if(n)500)this.width=500'>500)this.width=500'> 500)this.width=500'>{500)this.width=500'> alert(n.ownerDocument.xml);500)this.width=500'> }500)this.width=500'>500)this.width=500'>//-->500)this.width=500'></script>
Posted by Qr on 2006/8/3 12:56:46
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