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package com.jmp.common;
import java.io.*;
import sun.misc.*;
public class PicEncodeDecodeBase64
{
private String base64str=null;//base64编码字符串
private String picname="d:/temp1/002.jpg";//目标图片
FileInputStream file;
public sun.misc.BASE64Encoder encode=new sun.misc.BASE64Encoder();
public PicEncodeDecodeBase64()
{
// System.out.println("init");
}
public String Read()
{
int n=0;
try{
file=new FileInputStream(picname);
while((n=file.available())>0)
{
byte[] b=new byte[n];
int result=file.read(b);
if(result==-1)break;
base64str=new String(b);
}
//System.out.println(base64str);
base64str=encode.encode(base64str.getBytes()); //得到base64编码串
}
catch(Exception e)
{
System.out.println("read pic file error");
}
return base64str;
}
public void Write(String photoName,String baseCode64,String savePath)
{
try{
//String a=null;
//FileOutputStream fo=new FileOutputStream("c:/idcard.jpg");
String file = savePath+photoName;
FileOutputStream fo=new FileOutputStream(file);//还原后的图片名
sun.misc.BASE64Decoder decoder = new sun.misc.BASE64Decoder();//base64解码类
//base64str = baseCode64;
//System.out.println("base64str="+base64str);
byte[] b = decoder.decodeBuffer(baseCode64);
fo.write(b);//写入图片文件
//System.out.write('\t');
fo.flush();
}
catch(Exception e)
{
System.out.println("write method error is " + e.toString());
}
}
}