上次更新時間
2023年8月3日
Description
Checks if the XML document object has a child node.
Returns
True if a child node exists. False, otherwise.
Category
Syntax
XmlHasChild(xmlObject)
XmlHasChild(xmlObject [, childName])
Parameters
| Parameter | Description |
| xmlObject | The XML document object to be checked for child nodes. |
| childName | The name of the child node to check if it exists. |
Example 1
<cfxml variable="xmlData">
<root>
<item id="1">Item 1</item>
<item id="2">Item 2</item>
<item id="3">Item 3</item>
</root>
</cfxml>
<cfscript>
writeDump(xmlData)
writeOutput("<br/>")
writeOutput(xmlHasChild(xmlData)) // YES
</cfscript>
Try in CFFiddle
Example 2
<cfxml variable="xmlData">
<root>
<item id="1">Item 1</item>
<item id="2">Item 2</item>
<item id="3">Item 3</item>
</root>
</cfxml>
<cfscript>
writeDump(xmlData)
writeOutput("<br/>")
writeOutput(xmlHasChild(xmlData,"root")) // YES
writeOutput("<br/>")
writeOutput(xmlHasChild(xmlData,"item")) // NO
</cfscript>