feat: 文件md5

hnqz-upms/hnqz-upms-biz/src/main/java/com/qunzhixinxi/hnqz/admin/controller/ApiController.java

@@ -81,6 +81,9 @@ import javax.imageio.stream.ImageOutputStream;
 import java.awt.image.BufferedImage;
 import java.io.*;
 import java.math.BigDecimal;
+import java.math.BigInteger;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
 import java.text.DateFormat;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
@@ -3529,7 +3532,7 @@ public class ApiController {
 	 * @return R(/ admin / bucketName / filename)
 	 */
 	@PostMapping("/file/upload/mobile")
-	public R uploadForMobile(@RequestParam("file") MultipartFile file) {
+	public R uploadForMobile(@RequestParam("file") MultipartFile file) throws IOException, NoSuchAlgorithmException {
 
 		String originalFilename = file.getOriginalFilename();
 
@@ -3546,7 +3549,16 @@ public class ApiController {
 				return R.failed("无法获取用户id");
 			}
 			Integer id = user.getId();
-			Boolean aBoolean = redisTemplate.opsForValue().setIfAbsent(String.format("%s:%s", id, originalFilename), IdUtil.fastSimpleUUID(), 7, TimeUnit.DAYS);
+
+			// 文件md5
+
+			byte[] bytes = file.getBytes();
+			MessageDigest md5 = MessageDigest.getInstance("MD5");
+			byte[] digest = md5.digest(bytes);
+			String hash = new BigInteger(1, digest).toString(16);
+
+
+			Boolean aBoolean = redisTemplate.opsForValue().setIfAbsent(String.format("%s:%s", id, hash), originalFilename, 7, TimeUnit.DAYS);
 
 			if (aBoolean != null && !aBoolean){
 				return R.failed("请勿上传重复的文件");