| 提交 | 用户 | age | ||
| 826b66 | 1 | package com.hx.util; |
| C | 2 | |
| 3 | import sun.misc.BASE64Decoder; | |
| 4 | import sun.misc.BASE64Encoder; | |
| 5 | ||
| 6 | import java.io.*; | |
| 7 | ||
| 8 | /** | |
| 9 | * 图片和base64字符转换工具 | |
| 10 | * @USER: fhx | |
| 11 | * @DATE: 2023/4/6 | |
| 12 | **/ | |
| 13 | public class ImageBase64Util { | |
| 14 | ||
| 15 | /** | |
| 16 | * base64字符串转化成图片 | |
| 17 | * @param base64 | |
| 18 | * @param fileName | |
| 19 | * @param filePath | |
| 20 | * @return | |
| 21 | * @throws Exception | |
| 22 | */ | |
| 23 | public static File base64ToFile(String base64, String fileName, String filePath) throws Exception { | |
| 24 | if(base64.contains("data:image")){ | |
| 25 | base64 = base64.substring(base64.indexOf(",")+1); | |
| 26 | } | |
| 27 | base64 = base64.replace("\r\n", ""); | |
| 28 | //创建文件目录 | |
| 29 | File file = File.createTempFile(base64, fileName, new File(filePath)); | |
| 30 | BufferedOutputStream bos = null; | |
| 31 | FileOutputStream fos = null; | |
| 32 | try { | |
| 33 | BASE64Decoder decoder = new BASE64Decoder(); | |
| 34 | byte[] bytes = decoder.decodeBuffer(base64); | |
| 35 | fos = new FileOutputStream(file); | |
| 36 | bos = new BufferedOutputStream(fos); | |
| 37 | bos.write(bytes); | |
| 38 | }finally { | |
| 39 | if (bos != null) { | |
| 40 | try { | |
| 41 | bos.close(); | |
| 42 | } catch (IOException e) { | |
| 43 | e.printStackTrace(); | |
| 44 | } | |
| 45 | } | |
| 46 | if (fos != null) { | |
| 47 | try { | |
| 48 | fos.close(); | |
| 49 | } catch (IOException e) { | |
| 50 | e.printStackTrace(); | |
| 51 | } | |
| 52 | } | |
| 53 | } | |
| 54 | return file; | |
| 55 | } | |
| 56 | ||
| 57 | /** | |
| 58 | * 图片转化成base64字符串 | |
| 59 | * @param imgFile | |
| 60 | * @return | |
| 61 | */ | |
| 62 | public static String GetImageStr(File imgFile) {//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 | |
| 63 | InputStream in = null; | |
| 64 | byte[] data = null; | |
| 65 | //读取图片字节数组 | |
| 66 | try { | |
| 67 | in = new FileInputStream(imgFile); | |
| 68 | data = new byte[in.available()]; | |
| 69 | in.read(data); | |
| 70 | in.close(); | |
| 71 | } catch (IOException e) { | |
| 72 | e.printStackTrace(); | |
| 73 | } | |
| 74 | //对字节数组Base64编码 | |
| 75 | BASE64Encoder encoder = new BASE64Encoder(); | |
| 76 | return encoder.encode(data);//返回Base64编码过的字节数组字符串 | |
| 77 | } | |
| 78 | ||
| 79 | } | |
