public?static?void?main(String[]?args)?{
File?file=new?File("resources");
if(!file.exists()){
file.mkdir();
System.out.println("ok");}
System.out.println(file.getAbsolutePath());
File?file2=new?File(file,"one.dat");
if(!file2.exists()){
try{
file.createNewFile();
System.out.println("file2?created");
}
catch?(IOException?e){
System.out.println("error");
}
System.out.println(file2.getAbsolutePath());}
System.out.println(file2.exists());
}
經(jīng)查硬盤,創(chuàng)建了resources文件夾,但并沒有創(chuàng)建one.dat,并且輸出結(jié)果是:
E:\javaProject\demo\resources
????????file2?created
????????E:\javaProject\demo\resources\one.dat
????????false
????????
????????java的getAbsolutePath可以獲取one.dat的路徑,但是exists卻判斷one.dat不存在(確實也不存在)
????????
????????請問問題出在哪里,我該如何解決?
2015-09-02
file.createNewFile();這里你要寫file2.createNewFile()才對啊