我有 2 个结构几乎相似的 xml 文件,在这些 XML 文件中如何获取以下信息??
- 新添加的控件(或节点)
- 删除控件(或节点)
- 修改了控件(或节点)属性。
为了您的信息,我尝试了以下代码:
File f1 = new File(inputXMLPath);
File f2= new File(outputXMLPath);
FileReader fr1 = null;
FileReader fr2 = null;
try {
fr1 = new FileReader(f1);
fr2 = new FileReader(f2);
} catch (FileNotFoundException e) {
e.printStackTrace();
}
try {
Diff diff = new Diff(fr1, fr2);
System.out.println("Similar? " + diff.similar());
System.out.println("Identical? " + diff.identical());
DetailedDiff detDiff = new DetailedDiff(diff);
detDiff.overrideDifferenceListener(new DifferenceListener() {
@Override
public int differenceFound(Difference diff) {
if (diff.getId() == DifferenceConstants.CHILD_NODELIST_SEQUENCE_ID
|| diff.getId() == DifferenceConstants.CHILD_NODELIST_LENGTH_ID) {
return RETURN_IGNORE_DIFFERENCE_NODES_IDENTICAL;
}
return RETURN_ACCEPT_DIFFERENCE;
}
@Override
public void skippedComparison(Node arg0, Node arg1) { }
});
List differences = detDiff.getAllDifferences();
for (Object object : differences) {
Difference difference = (Difference)object;
System.out.println("***********************");
System.out.println(difference);
System.out.println("***********************");
}
} catch (SAXException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
最佳答案
[编辑:添加了关于setCompareUnmatched
和示例代码的注释]
我认为您想对 CHILD_NODE_NOT_FOUND
Difference
使用react,如果您使用 XMLUnit.setCompareUnmatched(false)
,XMLUnit 1.x 将发出.
如果 Difference
的控制节点为 null,则添加该节点 - 如果测试节点为 null,则将其删除。任何其他区别是对 XMLUnit 认为存在于任一侧的节点的更改。
例如
FileReader fr1 = new FileReader(f1);
FileReader fr2 = new FileReader(f2);
XMLUnit.setCompareUnmatched(false);
Diff diff = new Diff(fr1, fr2);
System.out.println("Similar? " + diff.similar());
System.out.println("Identical? " + diff.identical());
DetailedDiff detDiff = new DetailedDiff(diff);
detDiff.overrideDifferenceListener(new DifferenceListener() {
@Override
public int differenceFound(Difference diff) {
if (diff.getId() == DifferenceConstants.CHILD_NODELIST_SEQUENCE_ID
|| diff.getId() == DifferenceConstants.CHILD_NODELIST_LENGTH_ID) {
return RETURN_IGNORE_DIFFERENCE_NODES_IDENTICAL;
}
return RETURN_ACCEPT_DIFFERENCE;
}
@Override
public void skippedComparison(Node arg0, Node arg1) { }
});
List differences = detDiff.getAllDifferences();
for (Object object : differences) {
Difference difference = (Difference)object;
System.out.println("***********************");
if (difference.getId() == DifferenceConstants.CHILD_NODE_NOT_FOUND_ID) {
if (difference.getControlNodeDetail().getNode() == null) {
System.out.println("Node was added");
} else {
System.out.println("Node was removed");
}
}
System.out.println("***********************");
}
会导致类似的事情
***********************
Expected presence of child node 'baz' but was 'null' - comparing <baz...> at /foo[1]/baz[1] to at null
Node was removed
***********************
***********************
Expected presence of child node 'null' but was 'xyzzy' - comparing at null to <xyzzy...> at /foo[1]/xyzzy[1]
Node was added
***********************
关于java - 如何比较 2 个 XML 文件以及如何使用 XMLUnit 获取新添加\删除元素等信息,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/31876797/