文件上传

UploadFile

package com.sys.CommonUtil;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;

public class UploadFile {
    
    /** 上传文件
     * 写Bytes数据到文件 
     * @param bytes 
     * @param fileName 
     */  
    public static boolean writeBytesToFile(byte bytes[], String filePath,  
            String fileName) {  
        boolean rtn = false;  
        FileOutputStream fos = null;  
        java.io.File myFilePath = null;  
        try {  
            myFilePath = new java.io.File(filePath);  
            if (!myFilePath.exists()) {  
                myFilePath.mkdir();  
            }  
            fos = new FileOutputStream(filePath + fileName);  
            fos.write(bytes);  
            fos.flush();  
            rtn = true;  
        } catch (FileNotFoundException e) {  
            e.printStackTrace();  
        } catch (IOException e) {  
            e.printStackTrace();  
        } finally {  
            myFilePath = null;  
            try {  
                fos.close();  
            } catch (IOException iex) {  
                iex.printStackTrace();  
            }  
        }  
        return rtn;  
    }  
    /** 
     * 获得指定文件的byte数组 
     */  
    public static byte[] getBytes(String filePath){  
        byte[] buffer = null;  
        try {  
            File file = new File(filePath);  
            FileInputStream fis = new FileInputStream(file);  
            ByteArrayOutputStream bos = new ByteArrayOutputStream();  
            byte[] b = new byte[1024];  
            int n;  
            while ((n = fis.read(b)) != -1) {  
                bos.write(b, 0, n);  
            }  
            fis.close();  
            bos.close();  
            buffer = bos.toByteArray();  
        } catch (FileNotFoundException e) {  
            e.printStackTrace();  
        } catch (IOException e) {  
            e.printStackTrace();  
        }  
        return buffer;  
    }  
   
        /**
         * 
         * @param f 上传的文件
         * @param outpath 上传路径
         * @param outname 文件名称
         */
        public static void upload(File f,String outpath,String outname) {  
            BufferedInputStream bis = null;  
            BufferedOutputStream bos = null;  
            try {  
                InputStream datas=new FileInputStream(f);
                //获取客户端传递的InputStream  
                bis = new BufferedInputStream(datas);  
                //创建文件输出流  
                bos = new BufferedOutputStream(new FileOutputStream(outpath+outname));  
                byte[] buffer = new byte[8192];  
                int r = bis.read(buffer, 0, buffer.length);  
                while (r > 0) {  
                    bos.write(buffer, 0, r);  
                    r = bis.read(buffer, 0, buffer.length);  
                }  
                System.out.println("-------文件上传成功！-------------");  
            } catch (IOException e) {  
                throw new RuntimeException(e);  
            } finally {  
                if (bos != null) {  
                    try {  
                        bos.close();  
                    } catch (IOException e) {  
                        throw new RuntimeException(e);  
                    }  
                }  
                if (bis != null) {  
                    try {  
                        bis.close();  
                    } catch (IOException e) {  
                        throw new RuntimeException(e);  
                    }  
                }  
            }  
        }  
     /**、
      *    
      * @param path 上传路径
      * @param name 上传名称
      * @param datas 上传类容
      */
    public void Upload(String path,String name,String datas){
        try {
            FileOutputStream fos = new FileOutputStream(path+name);
            InputStream is = new FileInputStream(datas);
            byte[] buffer = new byte[8192];
            int count = 0;
            while ((count = is.read(buffer)) > 0) {
                fos.write(buffer, 0, count);
            }
            fos.close();
            is.close();
        } catch (Exception e) {
            e.printStackTrace();
        }

    }
    
    
    public static void main(String[] args) {
        File f = new File("c:/log/123.txt");
        upload(f, "c:/log/", "123.mp4");
    }
    
}