FileUtils.java 本地 文件操作工具类

package Http;

import java.io.File;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;

/**
 *
 * 本地文件操作工具类
 *保存文本
 *保存图片
 * Created by lxj-pc on 2017/6/27.
 */
public class FileUtils {


    public static  void  saveText(String content,String dirPath,String fileName){
        //保存文本
        File dir =new File(dirPath);

            try {
                FileWriter fileWriter=new FileWriter(new File(dir,fileName));
                fileWriter.write(content);
                fileWriter.close();
            } catch (IOException e) {
                e.printStackTrace();
            }




    }

    public  static   void  saveImg(byte[] bytes,String dirPath,String fileName)throws IOException{

        File dir =new File(dirPath);

        if(!dir.exists()){

            dir.mkdirs();

        }
        FileOutputStream fos=new FileOutputStream(new File (dir,fileName));
        fos.write(bytes);
        try {
            fos.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
        System.out.printf("图片保存成功");
    }
    
}