OSS对象存储
OSS对象存储
https://oss.console.aliyun.com/bucket
新建bucket
上传方式：
- 用自己图片先上传自己服务器 ，然后再上传阿里云
- 前端js直接上传阿里云
这里选择第二种方 式：
导入依赖：
<dependency>
<groupId>com.aliyun.oss</groupId>
<artifactId>aliyun-sdk-oss</artifactId>
<version>3.15.1</version>
</dependency>
@Test
public void testUpload() throws Exception{
// Endpoint以华东1（杭州）为例，其它Region请按实际情况填写。
String endpoint = "https://oss-cn-beijing.aliyuncs.com";
// 从环境变量中获取访问凭证。运行本代码示例之前，请确保已设置环境变量OSS_ACCESS_KEY_ID和OSS_ACCESS_KEY_SECRET。
String OSS_ACCESS_KEY_ID = "x";
String OSS_ACCESS_KEY_SECRET ="x";
// 填写Bucket名称，例如examplebucket。
String bucketName = "x";
// 填写Object完整路径，完整路径中不能包含Bucket名称，例如exampledir/exampleobject.txt。
String objectName = "vue.jpg";
// 填写本地文件的完整路径，例如D:\\localpath\\examplefile.txt。
// 如果未指定本地路径，则默认从示例程序所属项目对应本地路径中上传文件流。
String filePath= "/Users/houyunfei/Pictures/CSDN/Vue.jpg";
// 创建OSSClient实例。
OSS ossClient = new OSSClientBuilder().build(endpoint, OSS_ACCESS_KEY_ID, OSS_ACCESS_KEY_SECRET);
try {
InputStream inputStream = new FileInputStream(filePath);
// 创建PutObjectRequest对象。
PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, objectName, inputStream);
// 创建PutObject请求。
PutObjectResult result = ossClient.putObject(putObjectRequest);
// 打印ETag
System.out.println(result.getETag());
System.out.println("上传成功");
} catch (OSSException oe) {
System.out.println("Caught an OSSException, which means your request made it to OSS, "
+ "but was rejected with an error response for some reason.");
System.out.println("Error Message:" + oe.getErrorMessage());
System.out.println("Error Code:" + oe.getErrorCode());
System.out.println("Request ID:" + oe.getRequestId());
System.out.println("Host ID:" + oe.getHostId());
} catch (ClientException ce) {
System.out.println("Caught an ClientException, which means the client encountered "
+ "a serious internal problem while trying to communicate with OSS, "
+ "such as not being able to access the network.");
System.out.println("Error Message:" + ce.getMessage());
} finally {
if (ossClient != null) {
ossClient.shutdown();
}
}
}
可以成功上传
第二种方式，使用Spring Boot OSS
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-starter-alicloud-oss</artifactId>
<version>2.2.0.RELEASE</version>
</dependency>
配置：
spring:
alicloud:
access-key: x
secret-key: x
oss:
endpoint: oss-cn-beijing.aliyuncs.com
测试：
@Autowired
private OSSClient ossClient;
@Test
public void testUpload() throws Exception{
String filePath= "/Users/houyunfei/Pictures/CSDN/Vue.jpg";
try {
InputStream inputStream = new FileInputStream(filePath);
// 创建PutObjectRequest对象。
// 创建PutObject请求。
PutObjectResult result = ossClient.putObject("gulimall-cxk", "vue2.jpg", inputStream);
// 打印ETag
System.out.println(result.getETag());
System.out.println("上传成功");
} catch (OSSException oe) {
System.out.println("Caught an OSSException, which means your request made it to OSS, "
+ "but was rejected with an error response for some reason.");
System.out.println("Error Message:" + oe.getErrorMessage());
System.out.println("Error Code:" + oe.getErrorCode());
System.out.println("Request ID:" + oe.getRequestId());
System.out.println("Host ID:" + oe.getHostId());
} catch (ClientException ce) {
System.out.println("Caught an ClientException, which means the client encountered "
+ "a serious internal problem while trying to communicate with OSS, "
+ "such as not being able to access the network.");
System.out.println("Error Message:" + ce.getMessage());
} finally {
if (ossClient != null) {
ossClient.shutdown();
}
}
}
服务端签名直传
Java：https://help.aliyun.com/zh/oss/use-cases/java-1?spm=a2c4g.11186623.0.i4#concept-ahk-rfz-2fb
新建一个第三方模块，按之前的步骤配置注册中心,网关：
- id: third_party_route # 第三方
uri: lb://gulimall-third-party
predicates:
- Path=/api/thirdparty/**
filters:
- RewritePath=/api/thirdparty/(?<segment>.*), /$\{segment}
获取签名：
@RestController("/thirdparty")
public class OssController {
@Resource
private OSSClient ossClient;
@Value("${spring.cloud.alicloud.access-key}")
private String accessKeyId;
@Value("${spring.cloud.alicloud.oss.endpoint}")
private String endpoint;
@Value("${spring.cloud.alicloud.oss.bucket}")
private String bucket;
@RequestMapping("/oss/policy")
public R policy() {
// 填写Host名称，格式为https://bucketname.endpoint。
String host = "https://" + bucket + "." + endpoint;
// 设置上传到OSS文件的前缀，可置空此项。置空后，文件将上传至Bucket的根目录下。
String date = new SimpleDateFormat("yyyy-MM-dd").format(new Date());
String dir = date + "/";
Map<String, String> respMap = null;
// 创建OSSClient实例。
try {
long expireTime = 30;
long expireEndTime = System.currentTimeMillis() + expireTime * 1000;
Date expiration = new Date(expireEndTime);
// PostObject请求最大可支持的文件大小为5 GB，即CONTENT_LENGTH_RANGE为5*1024*1024*1024。
PolicyConditions policyConds = new PolicyConditions();
policyConds.addConditionItem(PolicyConditions.COND_CONTENT_LENGTH_RANGE, 0, 1048576000);
policyConds.addConditionItem(MatchMode.StartWith, PolicyConditions.COND_KEY, dir);
String postPolicy = ossClient.generatePostPolicy(expiration, policyConds);
byte[] binaryData = postPolicy.getBytes("utf-8");
String encodedPolicy = BinaryUtil.toBase64String(binaryData);
String postSignature = ossClient.calculatePostSignature(postPolicy);
respMap = new LinkedHashMap<String, String>();
respMap.put("accessid", accessKeyId);
respMap.put("policy", encodedPolicy);
respMap.put("signature", postSignature);
respMap.put("dir", dir);
respMap.put("host", host);
respMap.put("expire", String.valueOf(expireEndTime / 1000));
// respMap.put("expire", formatISO8601Date(expiration));
} catch (Exception e) {
System.out.println(e.getMessage());
} finally {
ossClient.shutdown();
}
return R.ok().put("data", respMap);
}
}
导入上传文件的三个文件：
数据发送给阿里云时存在跨域问题：
数据成功上传：
