importjava.io.File;importjava.io.FileInputStream;importjava.io.FileOutputStream;importsun.misc.BASE64Decoder;importsun.misc.BASE64Encoder;publicclassFileToBase64{/***
将文件转换为base64字符串
*@parampath文件路径*@return*@throwsException*/publicstaticStringencodeBase64File(Stringpath)throwsException{Filefile=newFile(path);FileInputStreaminputFile=newFileInputStream(file);byte[]buffer=newbyte[(int)file.length()];inputFile.read(buffer);inputFile.close();returnnewBASE64Encoder().encode(buffer);}/***解码base64字符并保存文件
*@parambase64Code*@paramtargetPath*@throwsException*/publicstaticvoiddecoderBase64File(Stringbase64Code,StringtargetPath)throwsException{byte[]buffer=newBASE64Decoder().decodeBuffer(base64Code);FileOutputStreamout=newFileOutputStream(targetPath);out.write(buffer);out.close();}/***保存base64字符到文本文件
*@parambase64Code*@paramtargetPath*@throwsException*/publicstaticvoidtoFile(Stringbase64Code,StringtargetPath)throwsException{byte[]buffer=base64Code.getBytes();FileOutputStreamout=newFileOutputStream(targetPath);out.write(buffer);out.close();}publicstaticvoidmain(String[]args){try{Stringbase64Code=encodeBase64File("/Users/Crazy/Pictures/zyb2.jpg");System.out.println(base64Code);decoderBase64File(base64Code,"/Users/Crazy/Desktop/zyb.png");toFile(base64Code,"/Users/Crazy/Desktop/zyb.txt");}catch(Exceptione){e.printStackTrace();}}}【本文为专栏作者张永波原创文章，转载请取得作者授权】