找到rt.jar了，可是加不上啊？我把rt.jar添加到userlib中去了，可是原来的的代码说 Multiple ers at this line - Access restriction: The constructor BASE64Decoder() is not accessible due to restriction on required library C:\Program Files\Java \jre1.6.0_05\lib\rt.jar - Access restriction: The type BASE64Decoder is not accessible due to restriction on required library C:\Program Files\Java \jre1.6.0_05\lib\rt.jar - Access restriction: The type BASE64Decoder is not accessible due to restriction on required library C:\Program Files\Java \jre1.6.0_05\lib\rt.jar我该怎么添加啊？
你是在 Eclipse中操作吧？对项目右键属性，在Java Build Path的Libarary页面中找到rt.jar或者JRE System Library中的rt.jar中展开它，里面有Access rule的节点，点中它。默认情况下应该没有任何限制的，估计你不知道为什么现在增加了一些限制。
Multiple ers at this line
- Access restriction: The constructor BASE64Decoder() is not accessible due to restriction on required library C:\Program Files\Java
\jre1.6.0_05\lib\rt.jar
- Access restriction: The type BASE64Decoder is not accessible due to restriction on required library C:\Program Files\Java
\jre1.6.0_05\lib\rt.jar
- Access restriction: The type BASE64Decoder is not accessible due to restriction on required library C:\Program Files\Java
\jre1.6.0_05\lib\rt.jar我该怎么添加啊？
base64加密, 但是我们好像用的是AES一起用哈!