3.2.5 SDK

3.2.5.1上传文件

MinIO提供多个语言版本SDK的支持，下边找到java版本的文档：

地址：https://docs.min.io/docs/java-client-quickstart-guide.html

最低需求Java 1.8或更高版本:

maven依赖如下：

XML
<dependency>
    <groupId>io.minio</groupId>
    <artifactId>minio</artifactId>
    <version>8.4.3</version>
</dependency>
<dependency>
    <groupId>com.squareup.okhttp3</groupId>
    <artifactId>okhttp</artifactId>
    <version>4.8.1</version>
</dependency>

在media-service工程添加此依赖。

参数说明：

需要三个参数才能连接到minio服务。

参数	说明
Endpoint	对象存储服务的URL
Access Key	Access key就像用户ID，可以唯一标识你的账户。
Secret Key	Secret key是你账户的密码。

示例代码如下：

Java
import io.minio.BucketExistsArgs;
import io.minio.MakeBucketArgs;
import io.minio.MinioClient;
import io.minio.UploadObjectArgs;
import io.minio.errors.MinioException;
import java.io.IOException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
public class FileUploader {
public static void main(String[] args)throws IOException, NoSuchAlgorithmException, InvalidKeyException {
    try {
      // Create a minioClient with the MinIO server playground, its access key and secret key.
      MinioClient minioClient =
          MinioClient.builder()
              .endpoint("https://play.min.io")
              .credentials("Q3AM3UQ867SPQQA43P2F", "zuf+tfteSlswRu7BJ86wekitnifILbZam1KYY3TG")
              .build();
      // Make 'asiatrip' bucket if not exist.
      boolean found =
          minioClient.bucketExists(BucketExistsArgs.builder().bucket("asiatrip").build());
      if (!found) {
        // Make a new bucket called 'asiatrip'.
        minioClient.makeBucket(MakeBucketArgs.builder().bucket("asiatrip").build());
      } else {
        System.out.println("Bucket 'asiatrip' already exists.");
      }
      // Upload '/home/user/Photos/asiaphotos.zip' as object name 'asiaphotos-2015.zip' to bucket
      // 'asiatrip'.
      minioClient.uploadObject(
          UploadObjectArgs.builder()
              .bucket("asiatrip")
              .object("asiaphotos-2015.zip")
              .filename("/home/user/Photos/asiaphotos.zip")
              .build());
      System.out.println(
          "'/home/user/Photos/asiaphotos.zip' is successfully uploaded as "
              + "object 'asiaphotos-2015.zip' to bucket 'asiatrip'.");
    } catch (MinioException e) {
      System.out.println("Error occurred: " + e);
      System.out.println("HTTP trace: " + e.httpTrace());
    }
}
}

参考示例在media-service工程中测试上传文件功能，

首先创建一个用于测试的bucket

点击“Manage”修改bucket的访问权限

选择public权限

测试代码如下：

Java
package com.xuecheng.media;

import io.minio.BucketExistsArgs;
import io.minio.MakeBucketArgs;
import io.minio.MinioClient;
import io.minio.UploadObjectArgs;
import io.minio.errors.MinioException;

import java.io.IOException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;

/**
* @description 测试MinIO
* @author Mr.M
* @date 2022/9/11 21:24
* @version 1.0
*/
public class MinIOTest {

static MinioClient minioClient =
         MinioClient.builder()
                 .endpoint("http://192.168.101.65:9000")
                 .credentials("minioadmin", "minioadmin")
                 .build();

//上传文件
public static void upload()throws IOException, NoSuchAlgorithmException, InvalidKeyException {
try {
boolean found =
          minioClient.bucketExists(BucketExistsArgs.builder().bucket("testbucket").build());
//检查testbucket桶是否创建，没有创建自动创建
if (!found) {
   minioClient.makeBucket(MakeBucketArgs.builder().bucket("testbucket").build());
} else {
   System.out.println("Bucket 'testbucket' already exists.");
}
//上传1.mp4
minioClient.uploadObject(
          UploadObjectArgs.builder()
                  .bucket("testbucket")
                  .object("1.mp4")
                  .filename("D:\\develop\\upload\\1.mp4")
                  .build());
//上传1.avi,上传到avi子目录
minioClient.uploadObject(
          UploadObjectArgs.builder()
                  .bucket("testbucket")
                  .object("avi/1.avi")
                  .filename("D:\\develop\\upload\\1.avi")
                  .build());
System.out.println("上传成功");
} catch (MinioException e) {
System.out.println("Error occurred: " + e);
System.out.println("HTTP trace: " + e.httpTrace());
}

}
public static void main(String[] args)throws IOException, NoSuchAlgorithmException, InvalidKeyException {
upload();
}

}