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@@ -0,0 +1,389 @@
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+package com.jzg.util;
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+
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+import io.minio.*;
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+import io.minio.http.Method;
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+import io.minio.messages.Bucket;
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+import io.minio.messages.DeleteObject;
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+import io.minio.messages.Item;
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+import lombok.SneakyThrows;
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+import lombok.extern.slf4j.Slf4j;
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+import org.apache.commons.lang3.StringUtils;
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+import org.springframework.beans.factory.annotation.Autowired;
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+import org.springframework.stereotype.Component;
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+import org.springframework.web.multipart.MultipartFile;
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+
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+import java.io.ByteArrayInputStream;
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+import java.io.InputStream;
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+import java.io.UnsupportedEncodingException;
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+import java.net.URLDecoder;
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+import java.util.*;
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+
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+/**
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+ * @program: xxkfz-minio
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+ * @ClassName MinioUtils.java
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+ * @author: 公众号：小小开发者
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+ * @create: 2024-03-13 10:55
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+ * @description: MinIO操作工具类
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+ **/
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+@Slf4j
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+@Component
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+public class MinioUtils {
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+
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+ @Autowired
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+ private MinioClient minioClient;
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+
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+
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+ /**
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+ * 启动SpringBoot容器的时候初始化Bucket
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+ * 如果没有Bucket则创建
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+ *
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+ * @param bucketName
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+ */
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+ public void createBucket(String bucketName) {
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+ try {
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+ if (!bucketExists(bucketName)) {
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+ minioClient.makeBucket(MakeBucketArgs.builder().bucket(bucketName).build());
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+ log.info("创建bucketName = {}完成!", bucketName);
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+ return;
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+ }
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+ log.info("bucketName = {}已存在！策略为：{}", bucketName, getBucketPolicy(bucketName));
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+ } catch (Exception e) {
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+ log.error("创建bucketName = {}异常!e = {}", bucketName, e);
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+ }
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+ }
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+
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+ /**
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+ * 判断Bucket是否存在，true：存在，false：不存在
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+ *
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+ * @param bucketName
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+ * @return
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+ */
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+ @SneakyThrows
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+ public boolean bucketExists(String bucketName) {
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+ return minioClient.bucketExists(BucketExistsArgs.builder().bucket(bucketName).build());
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+ }
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+
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+ /**
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+ * 获得Bucket的策略
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+ *
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+ * @param bucketName
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+ * @return
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+ */
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+ @SneakyThrows
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+ public String getBucketPolicy(String bucketName) {
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+ return minioClient.getBucketPolicy(GetBucketPolicyArgs.builder().bucket(bucketName).build());
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+ }
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+
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+ /**
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+ * 获得所有Bucket列表
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+ *
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+ * @return
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+ */
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+ @SneakyThrows
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+ public List<Bucket> getAllBuckets() {
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+ return minioClient.listBuckets();
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+ }
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+
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+ /**
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+ * 根据bucketName获取其相关信息
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+ *
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+ * @param bucketName
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+ * @return
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+ */
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+ @SneakyThrows(Exception.class)
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+ public Optional<Bucket> getBucket(String bucketName) {
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+ return getAllBuckets().stream().filter(b -> b.name().equals(bucketName)).findFirst();
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+ }
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+
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+ /**
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+ * 根据bucketName删除Bucket，true：删除成功； false：删除失败，文件或已不存在
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+ *
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+ * @param bucketName
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+ * @throws Exception
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+ */
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+ @SneakyThrows(Exception.class)
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+ public void removeBucket(String bucketName) {
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+ minioClient.removeBucket(RemoveBucketArgs.builder().bucket(bucketName).build());
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+ }
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+
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+
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+ /**
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+ * 判断文件是否存在
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+ *
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+ * @param bucketName
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+ * @param objectName
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+ * @return
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+ */
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+ public boolean isObjectExist(String bucketName, String objectName) {
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+ boolean exist = true;
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+ try {
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+ minioClient.statObject(StatObjectArgs.builder().bucket(bucketName).object(objectName).build());
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+ } catch (Exception e) {
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+ log.error("[Minio工具类]>>>> 判断文件是否存在, 异常：", e);
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+ exist = false;
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+ }
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+ return exist;
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+ }
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+
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+ /**
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+ * 判断文件夹是否存在
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+ *
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+ * @param bucketName
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+ * @param objectName
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+ * @return
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+ */
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+ public boolean isFolderExist(String bucketName, String objectName) {
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+ boolean exist = false;
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+ try {
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+ Iterable<Result<Item>> results = minioClient.listObjects(ListObjectsArgs.builder().bucket(bucketName).prefix(objectName).recursive(false).build());
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+ for (Result<Item> result : results) {
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+ Item item = result.get();
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+ if (item.isDir() && objectName.equals(item.objectName())) {
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+ exist = true;
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+ }
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+ }
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+ } catch (Exception e) {
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+ log.error("[Minio工具类]>>>> 判断文件夹是否存在，异常：", e);
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+ exist = false;
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+ }
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+ return exist;
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+ }
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+
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+ /**
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+ * 根据文件前置查询文件
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+ *
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+ * @param bucketName 存储桶
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+ * @param prefix 前缀
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+ * @param recursive 是否使用递归查询
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+ * @return MinioItem 列表
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+ */
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+ @SneakyThrows(Exception.class)
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+ public List<Item> getAllObjectsByPrefix(String bucketName, String prefix, boolean recursive) {
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+ List<Item> list = new ArrayList<>();
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+ Iterable<Result<Item>> objectsIterator = minioClient.listObjects(ListObjectsArgs.builder().bucket(bucketName).prefix(prefix).recursive(recursive).build());
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+ if (objectsIterator != null) {
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+ for (Result<Item> o : objectsIterator) {
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+ Item item = o.get();
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+ list.add(item);
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+ }
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+ }
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+ return list;
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+ }
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+
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+ /**
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+ * 获取文件流
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+ *
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+ * @param bucketName 存储桶
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+ * @param objectName 文件名
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+ * @return 二进制流
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+ */
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+ @SneakyThrows(Exception.class)
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+ public InputStream getObject(String bucketName, String objectName) {
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+ return minioClient.getObject(GetObjectArgs.builder().bucket(bucketName).object(objectName).build());
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+ }
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+
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+ /**
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+ * 断点下载
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+ *
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+ * @param bucketName 存储桶
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+ * @param objectName 文件名称
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+ * @param offset 起始字节的位置
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+ * @param length 要读取的长度
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+ * @return 二进制流
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+ */
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+ @SneakyThrows(Exception.class)
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+ public InputStream getObject(String bucketName, String objectName, long offset, long length) {
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+ return minioClient.getObject(GetObjectArgs.builder().bucket(bucketName).object(objectName).offset(offset).length(length).build());
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+ }
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+
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+ /**
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+ * 获取路径下文件列表
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+ *
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+ * @param bucketName 存储桶
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+ * @param prefix 文件名称
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+ * @param recursive 是否递归查找，false：模拟文件夹结构查找
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+ * @return 二进制流
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+ */
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+ public Iterable<Result<Item>> listObjects(String bucketName, String prefix, boolean recursive) {
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+ return minioClient.listObjects(ListObjectsArgs.builder().bucket(bucketName).prefix(prefix).recursive(recursive).build());
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+ }
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+
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+ /**
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+ * 使用MultipartFile进行文件上传
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+ *
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+ * @param bucketName 存储桶
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+ * @param file 文件名
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+ * @param objectName 对象名
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+ * @param contentType 类型
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+ * @return
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+ */
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+ @SneakyThrows(Exception.class)
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+ public ObjectWriteResponse uploadFile(String bucketName, MultipartFile file, String objectName, String contentType) {
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+ InputStream inputStream = file.getInputStream();
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+ return minioClient.putObject(PutObjectArgs.builder().bucket(bucketName).object(objectName).contentType(contentType).stream(inputStream, inputStream.available(), -1).build());
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+ }
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+
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+ /**
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+ * 图片上传
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+ *
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+ * @param bucketName
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+ * @param imageBase64
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+ * @param imageName
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+ * @return
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+ */
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+ public ObjectWriteResponse uploadImage(String bucketName, String imageBase64, String imageName) {
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+ if (!StringUtils.isEmpty(imageBase64)) {
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+ InputStream in = base64ToInputStream(imageBase64);
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+ String newName = System.currentTimeMillis() + "_" + imageName + ".jpg";
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+ String year = String.valueOf(new Date().getYear());
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+ String month = String.valueOf(new Date().getMonth());
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+ return uploadFile(bucketName, year + "/" + month + "/" + newName, in);
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+
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+ }
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+ return null;
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+ }
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+
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+ public static InputStream base64ToInputStream(String base64) {
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+ ByteArrayInputStream stream = null;
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+ try {
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+ byte[] bytes = Base64.getEncoder().encode(base64.trim().getBytes());
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+ stream = new ByteArrayInputStream(bytes);
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+ } catch (Exception e) {
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+ e.printStackTrace();
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+ }
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+ return stream;
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+ }
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+
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+
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+ /**
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+ * 上传本地文件
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+ *
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+ * @param bucketName 存储桶
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+ * @param objectName 对象名称
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+ * @param fileName 本地文件路径
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+ * @return
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+ */
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+ @SneakyThrows(Exception.class)
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+ public ObjectWriteResponse uploadFile(String bucketName, String objectName, String fileName) {
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+ return minioClient.uploadObject(UploadObjectArgs.builder().bucket(bucketName).object(objectName).filename(fileName).build());
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+ }
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+
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+ /**
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+ * 通过流上传文件
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+ *
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+ * @param bucketName 存储桶
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+ * @param objectName 文件对象
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+ * @param inputStream 文件流
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+ * @return
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+ */
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+ @SneakyThrows(Exception.class)
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+ public ObjectWriteResponse uploadFile(String bucketName, String objectName, InputStream inputStream) {
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+ return minioClient.putObject(PutObjectArgs.builder().bucket(bucketName).object(objectName).stream(inputStream, inputStream.available(), -1).build());
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+ }
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+
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+ /**
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+ * 创建文件夹或目录
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+ *
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+ * @param bucketName 存储桶
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+ * @param objectName 目录路径
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+ * @return
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+ */
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+ @SneakyThrows(Exception.class)
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+ public ObjectWriteResponse createDir(String bucketName, String objectName) {
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+ return minioClient.putObject(PutObjectArgs.builder().bucket(bucketName).object(objectName).stream(new ByteArrayInputStream(new byte[]{}), 0, -1).build());
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+ }
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+
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+ /**
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+ * 获取文件信息, 如果抛出异常则说明文件不存在
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+ *
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+ * @param bucketName 存储桶
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+ * @param objectName 文件名称
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+ * @return
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+ */
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+ @SneakyThrows(Exception.class)
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+ public String getFileStatusInfo(String bucketName, String objectName) {
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+ return minioClient.statObject(StatObjectArgs.builder().bucket(bucketName).object(objectName).build()).toString();
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+ }
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+
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+ /**
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+ * 拷贝文件
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+ *
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+ * @param bucketName 存储桶
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+ * @param objectName 文件名
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+ * @param srcBucketName 目标存储桶
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+ * @param srcObjectName 目标文件名
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+ */
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+ @SneakyThrows(Exception.class)
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+ public ObjectWriteResponse copyFile(String bucketName, String objectName, String srcBucketName, String srcObjectName) {
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+ return minioClient.copyObject(CopyObjectArgs.builder().source(CopySource.builder().bucket(bucketName).object(objectName).build()).bucket(srcBucketName).object(srcObjectName).build());
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+ }
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+
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+ /**
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+ * 删除文件
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+ *
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+ * @param bucketName 存储桶
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+ * @param objectName 文件名称
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+ */
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+ @SneakyThrows(Exception.class)
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+ public void removeFile(String bucketName, String objectName) {
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+ minioClient.removeObject(RemoveObjectArgs.builder().bucket(bucketName).object(objectName).build());
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+ }
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+
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+ /**
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+ * 批量删除文件
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+ *
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+ * @param bucketName 存储桶
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+ * @param keys 需要删除的文件列表
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+ * @return
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+ */
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+ public void removeFiles(String bucketName, List<String> keys) {
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+ List<DeleteObject> objects = new LinkedList<>();
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+ keys.forEach(s -> {
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+ objects.add(new DeleteObject(s));
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+ try {
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+ removeFile(bucketName, s);
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+ } catch (Exception e) {
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+ log.error("[Minio工具类]>>>> 批量删除文件，异常：", e);
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+ }
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+ });
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+ }
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+
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+ /**
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+ * 获取文件外链
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+ *
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+ * @param bucketName 存储桶
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+ * @param objectName 文件名
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+ * @param expires 过期时间 <=7 秒 （外链有效时间（单位：秒））
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+ * @return url
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+ */
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+ @SneakyThrows(Exception.class)
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+ public String getPresignedObjectUrl(String bucketName, String objectName, Integer expires) {
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+ GetPresignedObjectUrlArgs args = GetPresignedObjectUrlArgs.builder().expiry(expires).bucket(bucketName).object(objectName).build();
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+ return minioClient.getPresignedObjectUrl(args);
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+ }
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+
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+ /**
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+ * 获得文件外链
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+ *
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+ * @param bucketName
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+ * @param objectName
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+ * @return url
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+ */
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+ @SneakyThrows(Exception.class)
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+ public String getPresignedObjectUrl(String bucketName, String objectName) {
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+ GetPresignedObjectUrlArgs args = GetPresignedObjectUrlArgs.builder().bucket(bucketName).object(objectName).method(Method.GET).build();
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+ return minioClient.getPresignedObjectUrl(args);
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+ }
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+
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+ /**
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+ * 将URLDecoder编码转成UTF8
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+ *
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+ * @param str
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+ * @return
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+ * @throws UnsupportedEncodingException
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+ */
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+ public String getUtf8ByURLDecoder(String str) throws UnsupportedEncodingException {
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+ String url = str.replaceAll("%(?![0-9a-fA-F]{2})", "%25");
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+ return URLDecoder.decode(url, "UTF-8");
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+ }
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+}
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