domj4 jar包 包含1.6.1，2.0.2，2.1.0三个版本，适用于不同的java版本. dom4j-1.6.1 XML Document Object Model based on Java Collections Framework Java 1.4+ dom4j-2.0.2 XML Document Object Model based on Java Collections Framework Java 5+ Generics support dom4j-2.1.0 XML Document Object Model based on Java Collections Framework Java 8+ Generics support