框架整合——Java中json的使用

    xiaoxiao2021-12-02  18

    必须要导入的jar包:

    commons-beanutils.jar

    commons-collections.jar

    commons-lang.jar

    commons-logging-1.1.jar

    ezmorph-1.0.3.jar

    json-lib-2.0-jdk15.jar

    如下图:其中json-lib-2.0-jdk15.jar为必须jar包,其余为依赖包

    缺以下 包分别会报不同的错误:

    commons-beanutils.jarjava.lang.NoClassDefFoundError: org/apache/commons/beanutils/DynaBean 

    commons-collections.jarjava.lang.NoClassDefFoundError: org/apache/commons/collections/map/MultiKeyMap

    commons-lang.jarjava.lang.NoClassDefFoundError: org/apache/commons/lang/exception/NestableRuntimeException

    commons-logging-1.1.jarjava.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory 

    ezmorph-1.0.3.jarjava.lang.NoClassDefFoundError: net/sf/ezmorph/Morpher

    json-lib-2.0-jdk15.jarjava.lang.NoClassDefFoundError: net/sf/json/JSONObject 

    其中:

    commons-lang3-3.1.jar  出现异常: java.lang.NoClassDefFoundError: org/apache/commons/lang/exception/NestableRuntimeException

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