putObject

????????PutObject操作用來向指定Bucket中添加一個對象，要求發送請求者對該Bucket擁有寫權限，

?用戶必須添加完整的對象。代碼示例如下：

public static void putObject(AmazonS3 s3) {System.out.println("Uploading a new object to S3 from a file\n");s3.putObject(new PutObjectRequest(bucketName, key, createSampleFile()).withCannedAcl(CannedAccessControlList.PublicRead));}/*** Creates a temporary file with text data to demonstrate uploading a file* to OSS** @return A newly created temporary file with text data.** @throws IOException*/private static File createSampleFile() throws IOException {File file = File.createTempFile("oss-java-sdk-", ".txt");file.deleteOnExit();Writer writer = new OutputStreamWriter(new FileOutputStream(file));writer.write("abcdefghijklmnopqrstuvwxyz\n");writer.write("01234567890112345678901234\n");writer.write("!@#$%^&*()-=[]{};':',.<>/?\n");writer.write("01234567890112345678901234\n");writer.write("abcdefghijklmnopqrstuvwxyz\n");writer.close();return file;}

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