package com.dhht.wechat.util; import sun.misc.BASE64Decoder; import sun.misc.BASE64Encoder; import java.io.*; /**  * @Author: sh  * @Description: ImgUtil  * @Date: 9:14 2019/7/1  */ public class ImgUtil {
      /**      * 图片转化成base64字符串      *      * @param imgPath      * @return      */     public static String GetImageStr(String imgPath) {// 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         String imgFile = imgPath;// 待处理的图片         InputStream in = null;         byte[] data = null;         String encode = null; // 返回Base64编码过的字节数组字符串         // 对字节数组Base64编码         BASE64Encoder encoder = new BASE64Encoder();         try {
              // 读取图片字节数组             in = new FileInputStream(imgFile);             data = new byte[in.available()];             in.read(data);             encode = encoder.encode(data);         } catch (IOException e) {
              e.printStackTrace();         } finally {
              try {
                  in.close();             } catch (IOException e) {
                  // TODO Auto-generated catch block                 e.printStackTrace();             }         }         return encode;     }     /**      * base64字符串转化成图片      *      * @param imgData     图片编码      * @param imgFilePath 存放到本地路径      * @return      * @throws IOException      */     @SuppressWarnings("finally")     public static boolean GenerateImage(String imgData, String imgFilePath) throws IOException { // 对字节数组字符串进行Base64解码并生成图片         if (imgData == null) // 图像数据为空             return false;         BASE64Decoder decoder = new BASE64Decoder();         OutputStream out = null;         try {
              out = new FileOutputStream(imgFilePath);             // Base64解码             byte[] b = decoder.decodeBuffer(imgData);             for (int i = 0; i < b.length; ++i) {
                  if (b[i] < 0) {// 调整异常数据                     b[i] += 256;                 }             }             out.write(b);         } catch (FileNotFoundException e) {
              // TODO Auto-generated catch block             e.printStackTrace();         } catch (IOException e) {
              // TODO Auto-generated catch block             e.printStackTrace();         } finally {
              out.flush();             out.close();             return true;         }     } }