badly formed expression
常见例句
- A zero indicates that the test ran successfully but no matches were found; an error description indicates either that the function threw an exception or that the XPath expression was badly formed.
表示测试执行成功，但是没有发现匹配的结果；如果函数抛出一个异常或者 XPath 表达式编写错误时会出现一个错误描述信息。 返回 badly formed expression