The import info cannot be resolved
在工程里面import info.monitorenter.cpdetector.io.ASCIIDetector;
import info.monitorenter.cpdetector.io.CodepageDetectorProxy;
import info.monitorenter.cpdetector.io.JChardetFacade;
import info.monitorenter.cpdetector.io.ParsingDetector;
import info.monitorenter.cpdetector.io.UnicodeDetector;
提示:The import info cannot be resolved
该怎么解决呢?是不是要引入jar文件啊?
补充:Java , Java相关