JSON需要导入的jar包

要使用JSON除了要导入众所周知的json-lib-2.1.jar、json-lib-2.2.3-jdk15.jar两个包，还有导入其他一堆包，哪怕弄一个简单的JSONObject demoJson = JSONObject.fromObject(message);也得导入，要时缺了其中一个，必然报错。

 

异常1：org.apache.commons.lang.exception.NestableRuntimeException

java.lang.ClassNotFoundException: org.apache.commons.lang.exception.NestableRuntimeException
	at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
	at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
	... 14 more

需要导入commons-lang-2.3.jar

 

异常2：net.sf.ezmorph.Morpher

Caused by: java.lang.ClassNotFoundException: net.sf.ezmorph.Morpher
	at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
	at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
	... 2 more

需要导入ezmorph-1.0.6.jar

 

异常3：org.apache.commons.logging.LogFactory

Caused by: java.lang.ClassNotFoundException: org.apache.commons.logging.LogFactory
	at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
	at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
	... 3 more

 需要导入commons-logging-1.0.4.jar

 

异常4：org.apache.commons.collections.map.MultiKeyMap

Caused by: java.lang.ClassNotFoundException: org.apache.commons.collections.map.MultiKeyMap
	at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
	at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
	... 4 more

需要导入：commons-collections-3.2.jar

 

异常5：org.apache.commons.beanutils.DynaBean

Caused by: java.lang.ClassNotFoundException: org.apache.commons.beanutils.DynaBean
	at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
	at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
	... 4 more

需要导入：commons-beanutils-1.7.0.jar

 

综上，想用一个最简单的JSON也得导入以下的七个包：

json-lib-2.1.jar
json-lib-2.2.3-jdk15.jar
commons-lang-2.3.jar
ezmorph-1.0.6.jar
commons-logging-1.0.4.jar
commons-collections-3.2.jar
commons-beanutils-1.7.0.jar

 

伤不起啊！