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发表时间：2008-02-23
先有一个XML数据： <?xml version="1.0" ?>
<Order>
<Account>9900234</Account>
<Item id="1">
<SKU>1234</SKU>
<PricePer>5.95</PricePer>
<Quantity>100</Quantity>
<Subtotal>595.00</Subtotal>
<Description>Super Widget Clamp</Description>
</Item>
<Item id="2">
<SKU>6234</SKU>
<PricePer>22.00</PricePer>
<Quantity>10</Quantity>
<Subtotal>220.00</Subtotal>
<Description>Mighty Foobar Flange</Description>
</Item>
<Item id="3">
<SKU>9982</SKU>
<PricePer>2.50</PricePer>
<Quantity>1000</Quantity>
<Subtotal>2500.00</Subtotal>
<Description>Deluxe Doohickie</Description>
</Item>
<Item id="4">
<SKU>3256</SKU>
<PricePer>389.00</PricePer>
<Quantity>1</Quantity>
<Subtotal>389.00</Subtotal>
<Description>Muckalucket Bucket</Description>
</Item>
<NumberItems>1111</NumberItems>
<Total>3704.00</Total>
<OrderDate>07/07/2002</OrderDate>
<OrderNumber>8876</OrderNumber>
</Order>然后把Item结点的数据读出。 相关的JS函数如下： <script language="javascript">
var i = -1;
var orderDoc = new ActiveXObject ("MSXML2.DOMDocument.3.0");
orderDoc.load("order.xml");
var items = orderDoc.documentElement.selectNodes("/Order/Item");
//获得结点文本
function getNode(doc, xpath) {
var retval = "";
var value = doc.documentElement.selectSingleNode(xpath);
if (value) retval = value.text;
return retval;
}
//下一条记录
function getDataNext() {
i++;
if (i > items.length - 1) i = 0;
document.forms[0].SKU.value = getNode(orderDoc, "/Order/Item[" + i + "]/SKU");
document.forms[0].Price.value = getNode(orderDoc, "/Order/Item[" + i + "]/PricePer");
document.forms[0].Quantity.value = getNode(orderDoc, "/Order/Item[" + i + "]/Quantity");
document.forms[0].Total.value = getNode(orderDoc,"/Order/Item[" + i + "]/Subtotal");
document.forms[0].Description.value = getNode(orderDoc, "/Order/Item[" + i + "]/Description");
}
//前一条记录
function getDataPrev() {
i--;
if (i < 0) i = items.length - 1;
document.forms[0].SKU.value = getNode(orderDoc, "/Order/Item[" + i + "]/SKU");
document.forms[0].Price.value = getNode(orderDoc,"/Order/Item[" + i + "]/PricePer");
document.forms[0].Quantity.value = getNode(orderDoc, "/Order/Item[" + i + "]/Quantity");
document.forms[0].Total.value = getNode(orderDoc,"/Order/Item["+ i + "]/Subtotal");
document.forms[0].Description.value = getNode(orderDoc, "/Order/Item[" + i + "]/Description");
}
</script>下面是测试网页代码： <body onload="getDataNext()">
<form>
<table border="0">
<tr>
<td>SKU</td>
<td><input type="text" name="SKU"></td>
</tr>
<tr>
<td>Price</td>
<td><input type="text" name="Price"></td>
</tr>
<tr>
<td>Quantity</td>
<td><input type="text" name="Quantity"></td>
</tr>
<tr>
<td>Total</td>
<td><input type="text" name="Total"></td>
</tr>
<tr>
<td>Description</td>
<td><input type="text" name="Description"></td>
</tr>
</table>
<input type="button" value="<<" onClick="getDataPrev()">
<input type="button" value=">>" onClick="getDataNext()">
</form>
</body>
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