我正在尝试从 xml 获取与用户输入字符串匹配的特定单词的定义:
<?xml version="1.0" encoding="UTF-8" ?>
<diction>
<article>
<key>a</key>
<definition>
ένας, μια, μία, ένα
</definition>
</article>
<article>
<key>a</key>
<definition>
α (στερητικό)
</definition>
</article>
<article>
<key>all</key>
<definition>
όλος, όλη, όλο
</definition>
</article>
<article>
<key>a.m</key>
<definition>
π.μ., πρωί
</definition>
</article>
<article>
<key>base</key>
<definition>
base
</definition>
</article>
</diction>
代码:
ap.declareVariableExpr("myexpr", xmlInput.getText().toString().replaceAll("\\s+$", ""));
ap.selectXPath("/diction/article/key[local-name()=string($myexpr)]");
//ap.evalXPathToString();
//ap.selectXPath("/diction/article/key");
ap.bind(vn);
int i;
while ((i=ap.evalXPath()) !=-1){
i=vn.getText();
vn.push();
if(vn.toElement(VTDNav.NEXT_SIBLING, "definition")) {
int j = vn.getText();
if (j != -1)
parsedData=parsedData+"word: " + vn.toNormalizedString(i) + "\n"
+ "definition: " + vn.toNormalizedString(j) +"\n";
Log.i("first", parsedData);
}
vn.pop();
}
ap.resetXPath();
上面的代码给了我所有的单词/定义,而不仅仅是那些与输入字符串匹配的。xpath 表达式是否正确?我做错了什么?