我有一個XML(實際上是一個String
),我想查找所有包含屬性width
和height
的標籤並修改它們的值。使用XmlPullParser修改xml屬性值
XML示例:
<div>
<div class="separator" style="clear: both; text-align: center;">
<a href="http://1.bp.blogspot.com/-b5iKjQ5ivZQ/VOoBX9NinU3232I/AAAAAAAADZU332/zq3apERWFms/s800/IMG_3426.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;">
<img border="0" height="426" src="http://1.bp.blogspot.com/-b5iKjQ5ivZQ/VOoBX9NinUI/AAAAAAAADZU/zq32323apERWFms/s800/IMG_3426.JPG" width="640" />
</a>
</div>
<div class="separator" style="clear: both; text-align: center;">
<iframe allowfullscreen="" frameborder="0" height="315" src="https://www.youtube.com/embed/sI9Qf7UmXl0" width="420"></iframe>
</div>
在上面的例子我想修改:
- 426和640的值
- 560和315的值
我能夠使用XmlPullParser
識別某些值:下面的代碼標識426倍640的值,但不是560和315 此外,我不知道如何修改它們在XML:
public void parse(String inputString) throws XmlPullParserException, IOException {
XmlPullParser parser = Xml.newPullParser();
parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, false);
parser.setInput(new StringReader(inputString));
parser.nextTag();
readXml(parser);
}
private void readXml(XmlPullParser parser) throws XmlPullParserException, IOException {
int eventType = parser.getEventType();
while (eventType != XmlPullParser.END_DOCUMENT) {
switch (eventType) {
case XmlPullParser.START_TAG:
break;
case XmlPullParser.END_TAG:
String h = parser.getAttributeValue(null, "height");
String w = parser.getAttributeValue(null, "width");
if (!TextUtils.isEmpty(h) && !TextUtils.isEmpty(w)) {
// TODO: need to change here h and w values in XML
}
break;
}
eventType = parser.next();
}
}
您是否嘗試過使用get和set屬性? – king
是您的xml示例完成,我沒有看到560. –
560實際上是420.對於混淆感到抱歉 – Paul