Java base64转图片

Java base64转图片

import sun.misc.BASE64Decoder;

import java.io.FileOutputStream;

import java.io.OutputStream;

public class Base64Img {

    //imgStr base64字符串   url 图片存放地址

    public static boolean GenerateImage(String imgStr,String url) {   //对字节数组字符串进行Base64解码并生成图片

        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(url);

            out.write(b);

            out.flush();

            out.close();

            return true;

        } catch (Exception e) {

            return false;

        }

    }

}