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Java-创建新文件时,如何使用方法指定目录?_Java_File_Io_Directory - Fatal编程技术网

Java-创建新文件时,如何使用方法指定目录?

Java-创建新文件时,如何使用方法指定目录?,java,file,io,directory,Java,File,Io,Directory,我知道如何通过以下操作将文件写入指定目录: public void writefile(){ try{ Writer output = null; File file = new File("C:\\results\\results.txt"); output = new BufferedWriter(new FileWriter(file)); for(int i=0; i<100; i++){

我知道如何通过以下操作将
文件写入指定目录:

 public void writefile(){

    try{
        Writer output = null;
        File file = new File("C:\\results\\results.txt");
        output = new BufferedWriter(new FileWriter(file));

        for(int i=0; i<100; i++){
           //CODE TO FETCH RESULTS AND WRITE FILE
        }

        output.close();
        System.out.println("File has been written");

    }catch(Exception e){
        System.out.println("Could not create file");
    }
public void writefile(){
试一试{
写入器输出=空;
File File=新文件(“C:\\results\\results.txt”);
输出=新的BufferedWriter(新的FileWriter(文件));
对于(inti=0;i你的意思是

    File file = new File(getCacheDirectory() + "\\results.txt");
如果
getCacheDirectory()
字符串的形式返回路径,则这是正确的;如果它返回
文件,则有一个不同的构造函数:

    File file = new File(getCacheDirectory(), "results.txt");

最好不要硬编码文件分隔符,在第一种情况下使用
file file file=new file(new file(getCacheDirectory()),“results.txt”);
。事实上,我只是想做一些OP可以立即识别并“获取”的事情。在这种情况下,是否仍可以将文件名作为相对路径?例如:file file=new file(new file)(new file)(getCacheDirectory()),“.\\..\\files\\results.txt”);@shadow是。请参阅。