我已将您的代码重组成一个块,可以在工作台的匿名执行窗口中进行测试。我运行代码,然后过滤执行日志以显示 USER_DEBUG 语句。输出显示了您所期望的节点名称和文本。我认为关键是使用 APEX 方法 hasText() 和 hasName()。
String XML_STR = '<document>' + '<result>success</result>' +'<resultcode>000000</resultcode>' +
'<note></note>' + '<item>' +'<quantity>1</quantity>' +
'<fname>Bob</fname>' +'<lname>Tungsten</lname>' +
'<address>23232 Fleet Street</address>' +'<city>Santa Clara</city>' +
'<state>CA</state>' +'<zip>94105</zip>' +
'<country>United States</country>' +'<email>blahblahblah@blahblahblah.com</email>' +
'<phone>4155555555</phone>' +'</item>' +'</document>';
XmlStreamReader reader = new XmlStreamReader(XML_STR);
while (reader.hasNext()) {
System.debug('$$$ reader.getEventType(): ' + reader.getEventType());
if (reader.hasName()) {
System.debug('$$$ reader.getLocalName(): ' + reader.getLocalName());
// System.debug('$$$ reader.getNamespace(): ' + reader.getNamespace());
// System.debug('$$$ reader.getprefix(): ' + reader.getprefix());
}
if (reader.hasText()) {
System.debug('$$$ reader.getText(): ' + reader.getText());
}
System.debug('$$$ Go to next');
reader.next();
}
这是另一个基于 Jon Mountjoy 配方的解决方案
http://developer.force.com/cookbook/recipe/parsing-xml-using-the-apex-dom-parser
private String walkThrough(DOM.XMLNode node) {
String result = '\n';
if (node.getNodeType() == DOM.XMLNodeType.COMMENT) {
return 'Comment (' + node.getText() + ')';
}
if (node.getNodeType() == DOM.XMLNodeType.TEXT) {
return 'Text (' + node.getText() + ')';
}
if (node.getNodeType() == DOM.XMLNodeType.ELEMENT) {
result += 'Element: ' + node.getName();
if (node.getText().trim() != '') {
result += ', text=' + node.getText().trim();
}
if (node.getAttributeCount() > 0) {
for (Integer i = 0; i< node.getAttributeCount(); i++ ) {
result += ', attribute #' + i + ':' + node.getAttributeKeyAt(i) + '=' + node.getAttributeValue(node.getAttributeKeyAt(i), node.getAttributeKeyNsAt(i));
}
}
for (Dom.XMLNode child: node.getChildElements()) {
result += walkThrough(child);
}
return result;
}
return ''; //should never reach here
}
private String parse(String toParse) {
DOM.Document doc = new DOM.Document();
try {
doc.load(toParse);
DOM.XMLNode root = doc.getRootElement();
return walkThrough(root);
} catch (System.XMLException e) { // invalid XML
return e.getMessage();
}
}
String XML_STR = '<document>' + '<result>success</result>' +'<resultcode>000000</resultcode>' +
'<note></note>' + '<item>' +'<quantity>1</quantity>' +
'<fname>Bob</fname>' +'<lname>Tungsten</lname>' +
'<address>23232 Fleet Street</address>' +'<city>Santa Clara</city>' +
'<state>CA</state>' +'<zip>94105</zip>' +
'<country>United States</country>' +'<email>blahblahblah@blahblahblah.com</email>' +
'<phone>4155555555</phone>' +'</item>' +'</document>';
System.debug(parse(XML_STR));