deleteOld 用update 安装的eclipse 插件，提取出来-优快云博客

本文链接：https://blog.youkuaiyun.com/jixiuffff/article/details/5109202

本文介绍了使用Java进行文件读写及删除的操作方法，包括创建BufferedWriter对象用于写入内容，通过遍历目录下的文件并逐个写入，以及读取文件内容后将文件路径打印并删除的功能。

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import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;

public class FileUtil {
    static BufferedWriter bw = null;
    static {
        try {
            bw = new BufferedWriter(new FileWriter(new File("c://out.txt"),
                    true));
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static void write(String appendContent) {
        try {
            bw.write(appendContent);
            bw.write(System.getProperty("line.separator"));
            bw.flush();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static void read(File parents) {

        File[] files = parents.listFiles();
        for (File f : files) {
            if (f.isFile()) {

                write(f.getAbsolutePath());
            } else {
                read(f);
                write(f.getAbsolutePath());
            }

        }
    }

    public static void deleFiles() {
        BufferedReader br = null;
        try {
            br = new BufferedReader(new FileReader(new File("c://out.txt")));
            String line = br.readLine();
            File f = null;
            while (line != null) {

                f = new File(line);
                System.out.println(f.getAbsolutePath());
                f.delete();
                line = br.readLine();
            }

        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static void main(String[] arga) {

        File f = new File(
                "E://java//IDE//eclipse3.5//eclipse-SDK-3.5-win32//eclipse");

    //    FileUtil.read(f);
        FileUtil.deleFiles();

    }
}