自己处理文件内容，并写文件到硬盘-蒲公英云

自己处理文件内容，并写文件到硬盘

た入场券 2022-08-21 05:47 198阅读 0赞

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 WriteSelfContentFile2Disk {
    /**
     * 自己处理文件内容，并写文件到硬盘
     * @param args
     */
    public static void main(String[] args) {
        writeSelfContent2Disk();
    }
    public static void writeSelfContent2Disk(){
        String lujing = "C:\\ss.txt";
        File file = new File(lujing);
        if (!file.getParentFile().exists()) {
            file.getParentFile().mkdirs();
        }
        try {
            file.createNewFile();
        } catch (IOException e) {
            e.printStackTrace();
        }
        try {
            FileWriter fw = new FileWriter(file, true);
            BufferedWriter bw = new BufferedWriter(fw);
            bw.write("kingid");
            bw.flush();
            bw.close();
            fw.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
        try {
            FileReader fr = new FileReader(file);
            BufferedReader bReader = new BufferedReader(fr);
            String string = bReader.readLine();
            System.out.println(string);
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}