请参阅下面的 JAR 库的名称空间列表。所以你必须在你的项目类路径中添加相应的 JAR 来获取你需要的命名空间。
org.springframework.aop_3.1.1.RELEASE.jar
• aop – "http://www.springframework.org/schema/aop"
org.springframework.transaction_3.1.1.RELEASE.jar
• tx - "http://www/springframework.org/schema/tx"
org.springframework.beans_3.1.1.RELEASE.jar
• beans – "http://www/springframework.org/schema/beans"
• c – "http://www/springframework.org/schema/c"
• p - "http://www/springframework.org/schema/p"
• util - "http://www/springframework.org/schema/util"
org.springframework.jms_3.1.1.RELEASE.jar
• jms - "http://www/springframework.org/schema/jms"
org.springframework.context_3.1.1.RELEASE.jar
• cache - "http://www/springframework.org/schema/cache"
• context - "http://www/springframework.org/schema/context"
• jee - "http://www/springframework.org/schema/jee"
• lang - "http://www/springframework.org/schema/lang"
• task - "http://www/springframework.org/schema/task"
org.springframework.jdbc_3.1.1.RELEASE.jar
• jdbc - "http://www/springframework.org/schema/jdbc"
org.springframework.osgi.core_2.0.0.M2-SNAPSHOT.jar
• bp - "http://www/osgi.org/xmlns/blueprint/v1.0.0"
• osgi - "http://www/springframework.org/schema/osgi"
• osgix - "http://www/springframework.org/schema/osgi-compendium"
org.springframework.oxm_3.1.1.RELEASE.jar
• oxm - "http://www/springframework.org/schema/oxm"