java如何從外部導(dǎo)入數(shù)據(jù) java 大數(shù)據(jù)
~]//25509Imports FileOutputStreampublic OperateFile{///23548；）public boolean importFile（String path
~]//25509Imports FileOutputStreampublic OperateFile{///23548；）public boolean importFile（String path String name）//235488；public FileOutputStream exportFile（String path）}//。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。FileOutputStreampublic類OperateFileImp實(shí)現(xiàn)OperateFile{public boolean importFile（String path String name）{//File File File=new File（path name）…//27492；/29616；/20316；/19994；/22043…false返回；