In the DOM XPath API the XPathException interface represents exception conditions that can be encountered while performing XPath operations.


XPathException.code 只读
返回 short that contains one of the error code constants .


常量 描述
INVALID_EXPRESSION_ERR 51 If the expression has a syntax error or otherwise is not a legal expression according to the rules of the specific XPathEvaluator or contains specialized extension functions or variables not supported by this implementation.
TYPE_ERR 52 If the expression cannot be converted to return the specified type.


规范 状态 Comment
Document Object Model (DOM) Level 3 XPath Specification
The definition of 'XPathException' in that specification.
Recommendation 初始定义


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  1. XPathException
  2. 特性
    1. code