如果元素属性值匹配则获取图像属性值 [英] if element attribute value match then get image attribute value
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问题描述
我正在尝试获取元素图像属性.
从这个 xml 文件:-
<product_id value="1"><tab_id value="351"><tab_name value="test1"/><region_timezone value="1"/><registrationstatus value="2"/><eventstatus value="2"/><dist_activity value="4"/><dist_activity value="10066"/><dist_activity value="10070"/><dist_region value="4909"/><dist_region value="4902"/><dist_region value="4905"/><dist_value value="55"/><dist_value value="342"/><dist_value value="86"/><image value="female.jpg"/></tab_id></product_id><product_id value="2"><tab_id value="351"><tab_name value="test1"/><region_timezone value="1"/><registrationstatus value="2"/><eventstatus value="2"/><dist_activity value="4"/><dist_activity value="10066"/><dist_activity value="10070"/><dist_region value="4912"/><dist_region value="4908"/><dist_region value="4901"/><dist_value value="55"/><dist_value value="342"/><dist_value value="86"/><image value="male.jpg"/></tab_id></product_id></产品> 这是我的 xpath:-
var xPath = '///*[local-name() = "dist_region" and ' +' contains(concat(@value, ","), "' + array_top[i] + ',")]' +'//Product_id[/image]/@value';这是完整的代码:-
<头><script src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script><脚本>var逗号='';变量节点='';变量结果='';无功输出；var xml;$.get("产品.xml",空值，功能(数据){xml = 数据；},xml");函数 get_list() {var 值 = "4909,4902,4905";var array_top = value.split(',');for(var i=0;i<身体><input type="button" name="button" value="Search" onclick="get_list()"><div id="结果"> </html>
预期 O/p:-female.jpg,male.jpg
在这里，我尝试从数组中一一传递 dist_region 值，如果它与我的 xml 文件匹配，则返回那里的图像元素属性值.
请检查我的 x-path 并建议我.
谢谢.
解决方案
从 xapth 的角度来看，这似乎是您正在寻找的内容:
'//product_id [*/dist_region[contains(concat(@value, ","), $array_top )]]/tab_id/image/@value'你的 javasrcipt var 应该是这样的:
'//product_id [*/dist_region[contains(concat(@value, ","), '+ array_top[i] +')]]/tab_id/image/@value'我仍然不知道你为什么需要 contains().也试试:
'//product_id [*/dist_region[@value = $array_top ]]/tab_id/image/@value'i am try to get element image attribute.
from this xml file:-
<products>
<product_id value="1">
<tab_id value="351">
<tab_name value="test1"/>
<region_timezone value="1"/>
<registrationstatus value="2"/>
<eventstatus value="2"/>
<dist_activity value="4"/>
<dist_activity value="10066"/>
<dist_activity value="10070"/>
<dist_region value="4909"/>
<dist_region value="4902"/>
<dist_region value="4905"/>
<dist_value value="55"/>
<dist_value value="342"/>
<dist_value value="86"/>
<image value="female.jpg"/>
</tab_id>
</product_id>
<product_id value="2">
<tab_id value="351">
<tab_name value="test1"/>
<region_timezone value="1"/>
<registrationstatus value="2"/>
<eventstatus value="2"/>
<dist_activity value="4"/>
<dist_activity value="10066"/>
<dist_activity value="10070"/>
<dist_region value="4912"/>
<dist_region value="4908"/>
<dist_region value="4901"/>
<dist_value value="55"/>
<dist_value value="342"/>
<dist_value value="86"/>
<image value="male.jpg"/>
</tab_id>
</product_id>
</products>
and this is my xpath:-
var xPath = '//*[local-name() = "dist_region" and ' +
' contains(concat(@value, ","), "' + array_top[i] + ',")]' +
'//Product_id[/image]/@value';
this is full code:-
<html>
<head>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
<script>
var comma='';
var node='';
var result='';
var output;
var xml;
$.get(
"product.xml",
null,
function (data) {
xml = data;
},
"xml"
);
function get_list() {
var value = "4909,4902,4905";
var array_top = value.split(',');
for(var i=0;i<array_top.length;i++)
{
var xPath = '//*[local-name() = "dist_region" and ' +
' contains(concat(@value, ","), "' + array_top[i] + ',")]' +
'//Product_id[/image]/@value';
alert(array_top[i]);
var iterator = xml.evaluate(xPath, xml.documentElement, null,
XPathResult.UNORDERED_NODE_ITERATOR_TYPE, null);
var thisNode = iterator.iterateNext();
while (thisNode) {
node = thisNode.textContent;
thisNode = iterator.iterateNext();
result+= comma+node;
comma=',';
}
}
output = result;
alert(output);
}
</script>
</head>
<body>
<input type="button" name="button" value="Search" onclick="get_list()">
<div id="result">
</div>
</body>
</html>
expected O/p:-
female.jpg,male.jpg
here i am try to pass one by one dist_region value from the array and if its match on my xml file then return there image element attribute value.
please check my x-path and suggest me.
thanks.
解决方案
From the xapth point of this seem to be what you are looking for:
'//product_id [*/dist_region[contains(concat(@value, ","), $array_top )]]/tab_id/image/@value'
which should be something like this wiht your javasrcipt var:
'//product_id [*/dist_region[contains(concat(@value, ","), '
+ array_top[i] +
')]]/tab_id/image/@value'
Still I do not know why you need the contains(). Try also:
'//product_id [*/dist_region[@value = $array_top ]]/tab_id/image/@value'
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