我不得不修改这个问题,因为我遗漏了一段破坏事物的代码。我只想看看某个教会的图像。
xml文件:
<churches>
<church>
<data-name>germanevangelical</data-name>
<name>German Evangelical</name>
<address>501 Elm St.</address>
<opened>1887</opened>
<neighborhood>East</neighborhood>
<region>East</region>
<architecture>Gothic</architecture>
<denomination>Evangelical Lutheran</denomination>
<closed>2006</closed>
<image caption="Mary Smith">image_1_forweb.jpg</image>
<image caption="Mary Smith">image_2_forweb.jpg</image>
<image caption="Mary Smith">image_3_forweb.jpg</image>
</church>
... (more church nodes)
</churches>
我想用jQuery访问图片标题。
这是我的代码,但它为字幕返回“undefined”:
var cName = 'germanevangelical';
$.ajax({
type: "GET",
url: "churchdata.xml",
dataType: "xml",
success: function(xml) {
var name = $(xml).find("data-name"); //get church names from xml file
$(name).each(function(id, item) {
if ($(item).text() == cName) { //find the right church in the xml file
$(item).parent().find("image").each(function(id, node) {
console.log('id: ' + $(node).attr('caption'));//undefined
})
}//end if right church in xml file
})
}
});
有人能看到我做错了吗?
答案 0 :(得分:0)
解析时,ajax代码中存在一个非常小的错误,在查找“data-name”时使用$ xml而不是$(xml)。请检查以下代码。尝试在chrome中运行您的页面并检查开发人员工具中是否有任何错误,如果有任何错误,它将无法正常工作。
var cName = 'germanevangelical';
$.ajax({
type: "GET",
url: "churchdata.xml",
dataType: "xml",
success: function (xml) {
var xmlDoc = $.parseXML(xml),
$xml = $(xmlDoc);
var name = $xml.find("data-name"); //get church names from xml file
$(name).each(function(id,item) {
if ($(item).text() == cName) {
$(item).parent().find("image").each(function(id,node) {
console.log('id: ' + $(node).attr('caption')); //undefined
});
}
});
}
});
答案 1 :(得分:0)
$.parseXML()
不是必需的,dataType
的{{1}}设置为$.ajax()
,"xml"
应该XMLDocument
返回xml
success
1 {} $.ajax()
来电。
另请注意,在问题)
处的.each()
来电时错过了javascript
。{/ p>
$.ajax({
type: "GET",
url: "churchdata.xml",
dataType: "xml",
success: function(xml) {
console.log(xml);
var name = $(xml).find("data-name"); //get church names from xml file
$(name).each(function(id, item) {
$(item).parent().find("image").each(function(id, node) {
console.log('id: ' + $(node).attr('caption'));
})
})
}
});