取消空格=上档键,设置Eclipse代码自动提示:打开Eclipse依次选择Window->Perferences->Java->Editor->ContentAssist，AutoactivationtriggersforJava：设置框中默认是"."改为.abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_然后将本文件放到Eclipse安装目录下/plugins文件夹里边,覆盖旧文件即可