1\若是复制JAVA文件到eclipse工程内出现乱码,则右击工程,选择属性--resource -text file encoding- other:UTF-8html
2\导入现有JAR包:右击工程,选择build path--java build path-add external jarsjava
http://www.cnblogs.com/TankXiao/p/3888070.htmleclipse