java 如何将变量传递给 XPathExpression
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时间：2020-10-30 15:03:27 来源:igfitidea点击:
how to pass a variable to an XPathExpression
提问by artist
i want to pass the value of a variable in XPathExpression. I want to put the id value in a variable. How can I do that? Below is the code;
我想在 XPathExpression 中传递一个变量的值。我想把 id 值放在一个变量中。我怎样才能做到这一点？下面是代码；
XPathExpression expr = xpath.compile("//Number[@id=1]/Movies/text()");
Above, I want to put the value of id in a variable. I tried int num =1 but doesn't works. Thanks.
上面，我想把 id 的值放在一个变量中。我试过 int num =1 但不起作用。谢谢。
回答by Nick Campion
String yourArg= "1";
XPathExpression expr = xpath.compile("//Number[@id="+yourArg+"]/Movies/text()");
