前提：
获取到阿里云账号的AccessKey ID 和AccessKey Secret：
操作步骤：
1.添加Pom依赖
2.Code Sample
import com.aliyun.fileform.models.FileField; import com.aliyun.openplatform20191219.models.AuthorizeFileUploadRequest; import com.aliyun.openplatform20191219.models.AuthorizeFileUploadResponse; import com.aliyun.oss.models.PostObjectRequest; import com.aliyun.tea.TeaConverter; import com.aliyun.tea.TeaPair; import com.aliyun.teautil.models.RuntimeOptions; import org.apache.commons.lang3.StringUtils; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; import java.net.URL; import java.net.URLConnection; import java.net.URLDecoder; import java.util.HashMap; import java.util.Map; import java.util.concurrent.ConcurrentHashMap; // 使用Java SDK通过本地文件或网络文件链接生成URL public class ViapiFileUtilAdvance { public static void main(String[] args) throws Exception { String accessKey = "xxxxxxxxxx"; //您的AccessKeyID String accessKeySecret = "xxxxxxxxxx"; //您的AccessKeySecret String regionId = "cn-shanghai"; String file = "D:/picture/recognize_1.jpg"; //或者本地上传 //String file = "https://img.alicdn.com/tfs/TB1S0DjC4v1gK0jSZFFXXb0sXXa-692-440.jpg"; try (InputStream inputStream = buildInputStream(file)) { ViapiFileUtilAdvance fileUtils = ViapiFileUtilAdvance.getInstance(accessKey, accessKeySecret, regionId); String ossTempFileUrl = fileUtils.upload(inputStream); System.out.println(ossTempFileUrl); } } public static InputStream buildInputStream(String filePath) throws IOException { if (StringUtils.startsWithAny(filePath, new CharSequence[]{"http://", "https://"})) { filePath = URLDecoder.decode(filePath, "UTF-8"); URL url = new URL(filePath); URLConnection urlConnection = url.openConnection(); return urlConnection.getInputStream(); } else { File key1 = new File(filePath); return new FileInputStream(key1); } } public static synchronized ViapiFileUtilAdvance getInstance(String accessKeyId, String accessKeySecret, String regionId) throws Exception { String mapKey = String.format("%s:%s:%s", regionId, accessKeyId, accessKeySecret); ViapiFileUtilAdvance fileUtils = _map.get(mapKey); if (fileUtils == null) { _map.putIfAbsent(mapKey, new ViapiFileUtilAdvance(accessKeyId, accessKeySecret, regionId)); fileUtils = _map.get(mapKey); } return fileUtils; } private ViapiFileUtilAdvance(String accessKeyId, String accessKeySecret, String regionId) throws Exception { Map<String, Object> cm = new HashMap<>(); cm.put("regionId", regionId); cm.put("autoretry", "true"); cm.put("accessKeyId", accessKeyId); cm.put("accessKeySecret", accessKeySecret); cm.put("connectTimeout", 15 * 1000); cm.put("readTimeout", 30 * 1000); cm.put("maxIdleConns", 200); cm.put("type", "access_key"); cm.put("endpoint", "openplatform.aliyuncs.com"); _runtime = RuntimeOptions.build(cm); com.aliyun.tearpc.models.Config authConfig = com.aliyun.tearpc.models.Config.build(cm); _authClient = new com.aliyun.openplatform20191219.Client(authConfig); //ossEndpointType = "internal";//aliyun-vpc _ossConfig = com.aliyun.oss.models.Config.build(TeaConverter.buildMap( new TeaPair("accessKeySecret", accessKeySecret), new TeaPair("type", "access_key"), new TeaPair("protocol", _authClient._protocol), new TeaPair("regionId", _authClient._regionId) )); } public String upload(InputStream inputStream) throws Exception { AuthorizeFileUploadRequest authRequest = AuthorizeFileUploadRequest.build(TeaConverter.buildMap( new TeaPair("product", "imageseg"), new TeaPair("regionId", _authClient._regionId) )); AuthorizeFileUploadResponse authResponse = _authClient.authorizeFileUploadWithOptions(authRequest, _runtime); com.aliyun.oss.models.Config ossConfig = new com.aliyun.oss.models.Config(); com.aliyun.openapiutil.Client.convert(_ossConfig, ossConfig); ossConfig.accessKeyId = authResponse.accessKeyId; ossConfig.endpoint = com.aliyun.openapiutil.Client.getEndpoint(authResponse.endpoint, authResponse.useAccelerate, ossEndpointType); com.aliyun.oss.Client ossClient = new com.aliyun.oss.Client(ossConfig); FileField fileObj = FileField.build(TeaConverter.buildMap( new TeaPair("filename", authResponse.objectKey), new TeaPair("content", inputStream), new TeaPair("contentType", "") )); PostObjectRequest.PostObjectRequestHeader ossHeader = PostObjectRequest.PostObjectRequestHeader.build(TeaConverter.buildMap( new TeaPair("accessKeyId", authResponse.accessKeyId), new TeaPair("policy", authResponse.encodedPolicy), new TeaPair("signature", authResponse.signature), new TeaPair("key", authResponse.objectKey), new TeaPair("file", fileObj), new TeaPair("successActionStatus", "201") )); PostObjectRequest uploadRequest = PostObjectRequest.build(TeaConverter.buildMap( new TeaPair("bucketName", authResponse.bucket), new TeaPair("header", ossHeader) )); com.aliyun.ossutil.models.RuntimeOptions ossRuntime = new com.aliyun.ossutil.models.RuntimeOptions(); com.aliyun.openapiutil.Client.convert(_runtime, ossRuntime); ossClient.postObject(uploadRequest, ossRuntime); String imageURL = "http://" + authResponse.bucket + "." + authResponse.endpoint + "/" + authResponse.objectKey + ""; return imageURL; } RuntimeOptions _runtime; com.aliyun.openplatform20191219.Client _authClient; com.aliyun.oss.models.Config _ossConfig; String ossEndpointType = null; static Map<String, ViapiFileUtilAdvance> _map = new ConcurrentHashMap<>(); }
3.测试结果
生成的图片地址=http://viapi-customer-pop.oss-cn-shanghai.aliyuncs.com/ce67_212614432711017986_7857979ccbdf4c3e91aeaeef84effb00注意事项：
在添加代码块之后，在使用try内包含流会报：“try-with-resource are not supported at language level “5”错误。通过IDEA自带的alt+enter修复功能设置一个版本到7即可。
更多参考：
衣冠の禽兽CSDN文档：IDEA 报错：not supported at language level "5"
ChaseDreamBoy CSDN文档：idea maven 出现：Try-with-resources are not supported at language level '5'