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- package com.fh.util;
- import java.io.FileInputStream;
- import java.io.FileOutputStream;
- import java.io.IOException;
- import java.io.InputStream;
- import java.io.OutputStream;
- import sun.misc.BASE64Decoder;
- import sun.misc.BASE64Encoder;
- public class ImageAnd64Binary {
- public static void main(String[] args){
-
- String imgSrcPath = "d:/abc/123.jpg"; //生成64编码的图片的路径
- String imgCreatePath = "E:\\apache-tomcat-6.0.37\\webapps/pro/ueditor2/jsp/upload1/20140318/480ace2bfc6e44608595bd4adbdeb067.jpg"; //将64编码生成图片的路径
- imgCreatePath=imgCreatePath.replaceAll("\\\", "/");
- System.out.println(imgCreatePath);
- String strImg = getImageStr(imgSrcPath);
- System.out.println(strImg);
- generateImage(strImg, imgCreatePath);
- }
-
- /**
- * 将图片文件转化为字节数组字符串,并对其进行Base64编码处理
- * @param imgSrcPath 生成64编码的图片的路径
- * @return
- */
- public static String getImageStr(String imgSrcPath){
- InputStream in = null;
- byte[] data = null;
-
- //读取图片字节数组
- try {
- in = new FileInputStream(imgSrcPath);
- data = new byte[in.available()];
- in.read(data);
- in.close();
- } catch (IOException e) {
- e.printStackTrace();
- }
-
- //对字节数组Base64编码
- BASE64Encoder encoder = new BASE64Encoder();
-
- return encoder.encode(data);//返回Base64编码过的字节数组字符串
- }
-
- /**
- * 对字节数组字符串进行Base64解码并生成图片
- * @param imgStr 转换为图片的字符串
- * @param imgCreatePath 将64编码生成图片的路径
- * @return
- */
- public static boolean generateImage(String imgStr, String imgCreatePath){
- if (imgStr == null) //图像数据为空
- return false;
- BASE64Decoder decoder = new BASE64Decoder();
- try {
- //Base64解码
- byte[] b = decoder.decodeBuffer(imgStr);
- for(int i=0;i<b.length;++i) {
- if(b[i]<0) {//调整异常数据
- b[i]+=256;
- }
- }
-
- OutputStream out = new FileOutputStream(imgCreatePath);
- out.write(b);
- out.flush();
- out.close();
- return true;
- } catch (Exception e){
- return false;
- }
- }
-
- }
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