本文實例講述了Java實現文件和base64流的相互轉換功能。分享給大家供大家參考，具體如下：
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import java.io.FileInputStream;import java.io.FileOutputStream;import sun.misc.BASE64Decoder;import sun.misc.BASE64Encoder;/** * 文件與base64的互相轉換操作 */public class testFile {public static void main(String[] args) {testFile t = new testFile();try {String ret = t.encodeBase64File("d://IE和火狐js或css差異.docx");System.err.println(ret);t.decoderBase64File(ret, "d://ghsTest/retFile.docx", "d://ghsTest/");} catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace();}}/** * 將文件轉成base64 字符串 * * @param path文件路徑 * @return * * @throws Exception */ public static String encodeBase64File(String path) throws Exception { File file = new File(path); FileInputStream inputFile = new FileInputStream(file); byte[] buffer = new byte[(int) file.length()]; inputFile.read(buffer); inputFile.close(); return new BASE64Encoder().encode(buffer); } /** * 將base64字符解碼保存文件 * * @param base64Code * @param targetPath * @throws Exception */ public static void decoderBase64File(String base64Code, String targetPath,String catalogue) throws Exception { File file = new File(catalogue); if(file.exists()==false){ file.mkdirs(); } byte[] buffer = new BASE64Decoder().decodeBuffer(base64Code); FileOutputStream out = new FileOutputStream(targetPath); out.write(buffer); out.close(); }} |
希望本文所述對大家java程序設計有所幫助。
原文鏈接：https://blog.csdn.net/thghs/article/details/43233199
