Select Add External Archives...Locate and select the JARs you want and click Open. The JARs will now appear in the list of libraries in the build path. ?Click OK to close the properties window. The JARs will now be in Referenced Libraries.
See more: How To Add JARs to Project Build Paths in Eclipse - Java | Guide ? Wonder How To http://www.wonderhowto.com/how-to-add-jars-project-build-paths-eclipse-java-088654/#ixzz1GoZJrm99 我的异常网推荐解决方案：configure build path,http://www.myexception.cn/eclipse/4586.html