智能媒体管理的文档预览如何迁移到新版

package com.aliyun.oss.demo;
import com.aliyun.oss.*;
import com.aliyun.oss.common.auth.*;
import com.aliyun.oss.common.comm.SignVersion;
import com.aliyun.oss.model.GeneratePresignedUrlRequest;
import java.net.URL;
import java.util.Date;

public class Demo {
    public static void main(String[] args) throws Throwable {
        // 请填写您的自定义域名。例如http://static.example.com。
        String endpoint = "http://static.example.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。
        EnvironmentVariableCredentialsProvider credentialsProvider = CredentialsProviderFactory.newEnvironmentVariableCredentialsProvider();
        // 填写Bucket名称，例如examplebucket。
        String bucketName = "examplebucket";
        // 填写Object完整路径。如果图片不在Bucket根目录，需携带图片完整路径，例如exampledir/exampleobject.jpg
        String objectName = "exampledir/exampleobject.png";
        // 填写Bucket所在地域。以华东1（杭州）为例，Region填写为cn-hangzhou。
        String region = "cn-hangzhou";
        // 创建OSSClient实例。
        ClientBuilderConfiguration clientBuilderConfiguration = new ClientBuilderConfiguration();
        // 请注意，设置true开启CNAME选项。
        clientBuilderConfiguration.setSupportCname(true);
        // 显式声明使用 V4 签名算法
        clientBuilderConfiguration.setSignatureVersion(SignVersion.V4);
        OSS ossClient = OSSClientBuilder.create()
                .endpoint(endpoint)
                .credentialsProvider(credentialsProvider)
                .clientConfiguration(clientBuilderConfiguration)
                .region(region)
                .build();

        try {
            // 文档处理参数
            String style = "doc/preview,export_1,print_1/watermark,text_5YaF6YOo6LWE5paZ,size_30,t_60";
            // 指定签名URL过期时间为3600秒)
            Date expiration = new Date(new Date().getTime() + 3600 );
            GeneratePresignedUrlRequest req = new GeneratePresignedUrlRequest(bucketName, objectName, HttpMethod.GET);
            req.setExpiration(expiration);
            req.setProcess(style);
            URL signedUrl = ossClient.generatePresignedUrl(req);
            System.out.println(signedUrl);
        } 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();
            }
        }
    }
}

# -*- coding: utf-8 -*-
import oss2
from oss2.credentials import EnvironmentVariableCredentialsProvider

# 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。
auth = oss2.ProviderAuthV4(EnvironmentVariableCredentialsProvider())

# 填写Bucket名称
bucket = 'examplebucket'

# 请填写您的自定义域名。例如https://static.example.com。
endpoint = 'https://static.example.com'

# 填写阿里云通用Region ID
region = 'cn-hangzhou'
# 使用自定义域名初始化bucket，若您使用的是默认域名，则为bucket = oss2.Bucket(auth, endpoint, bucket, region=region)
bucket = oss2.Bucket(auth, endpoint, bucket, is_cname=True, region=region)

# 指定处理文件
key = 'example.docx'

# 指定过期时间，单位秒
expire_time = 3600

# 构建在线预览的处理指令。
image_process = 'doc/preview,export_1,print_1/watermark,text_5YaF6YOo6LWE5paZ,size_30,t_60'


# 生成签名URL，带上处理参数
url = bucket.sign_url('GET', key, expire_time, params={'x-oss-process': image_process}, slash_safe=True)

# 打印签名URL
print(url)

package main

import (
	"context"
	"flag"
	"log"
	"time"

	"github.com/aliyun/alibabacloud-oss-go-sdk-v2/oss"
	"github.com/aliyun/alibabacloud-oss-go-sdk-v2/oss/credentials"
)

// 定义全局变量
var (
	region     string // 存储区域
	bucketName string // 存储空间名称
	objectName string // 对象名称
)

// init函数用于初始化命令行参数
func init() {
	flag.StringVar(&region, "region", "", "The region in which the bucket is located.")
	flag.StringVar(&bucketName, "bucket", "", "The name of the bucket.")
	flag.StringVar(&objectName, "object", "", "The name of the object.")
}

func main() {
	// 解析命令行参数
	flag.Parse()

	// 检查bucket名称是否为空
	if len(bucketName) == 0 {
		flag.PrintDefaults()
		log.Fatalf("invalid parameters, bucket name required")
	}

	// 检查region是否为空
	if len(region) == 0 {
		flag.PrintDefaults()
		log.Fatalf("invalid parameters, region required")
	}

	// 检查object名称是否为空
	if len(objectName) == 0 {
		flag.PrintDefaults()
		log.Fatalf("invalid parameters, object name required")
	}

	// 加载默认配置并设置凭证提供者和区域
	cfg := oss.LoadDefaultConfig().
		WithCredentialsProvider(credentials.NewEnvironmentVariableCredentialsProvider()).
		WithRegion(region).
        // 请填写您的自定义域名。例如http://static.example.com。
		WithEndpoint("http://static.example.com").
		WithUseCName(true)

	// 创建OSS客户端
	client := oss.NewClient(cfg)

	// 生成GetObject的预签名URL
	result, err := client.Presign(context.TODO(), &oss.GetObjectRequest{
		Bucket:  oss.Ptr(bucketName),
		Key:     oss.Ptr(objectName),
        // 设置文档处理参数
		Process: oss.Ptr("doc/preview,export_1,print_1/watermark,text_5YaF6YOo6LWE5paZ,size_30,t_60"), 
	}, oss.PresignExpires(10*time.Minute))

	if err != nil {
		log.Fatalf("failed to get object presign %v", err)
	}

	log.Printf("request method:%v\n", result.Method)
	log.Printf("request expiration:%v\n", result.Expiration)
	log.Printf("request url:%v\n", result.URL)

	if len(result.SignedHeaders) > 0 {
		// 当返回结果包含签名头时，使用签名URL发送GET请求时也包含相应的请求头，以免出现不一致，导致请求失败和签名错误
		log.Printf("signed headers:\n")
		for k, v := range result.SignedHeaders {
			log.Printf("%v: %v\n", k, v)
		}
	}
}

const OSS = require("ali-oss");

// 定义一个生成签名 URL 的函数
async function generateSignatureUrl(fileName) {
  // 获取签名URL
  const client = await new OSS({
    // 请填写您的自定义域名。例如http://static.example.com。
    endpoint: 'http://static.example.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。
    accessKeyId: process.env.OSS_ACCESS_KEY_ID,
    accessKeySecret: process.env.OSS_ACCESS_KEY_SECRET,
    bucket: 'examplebucket',
    // 填写Bucket所在地域。以华东1（杭州）为例，Region填写为oss-cn-hangzhou。
    region: 'oss-cn-hangzhou',
    authorizationV4: true,
    cname: true
  });

  // 生成签名URL，并包含文档处理参数
  return await client.signatureUrlV4('GET', 3600, {
    headers: {}, // 请根据实际发送的请求头设置此处的请求头
    queries: {
      "x-oss-process": "doc/preview,export_1,print_1/watermark,text_5YaF6YOo6LWE5paZ,size_30,t_60" // 添加文档处理参数
    }
  }, fileName);
}

// 调用函数并传入文件名
generateSignatureUrl('yourFileName').then(url => {
  console.log('Generated Signature URL:', url);
}).catch(err => {
  console.error('Error generating signature URL:', err);
});

<?php
if (is_file(__DIR__ . '/../autoload.php')) 
    require_once __DIR__ . '/../autoload.php';
}
if (is_file(__DIR__ . '/../vendor/autoload.php')) {
    require_once __DIR__ . '/../vendor/autoload.php';
}

use OSS\OssClient;
use OSS\Core\OssException;
use OSS\Http\RequestCore;
use OSS\Http\ResponseCore;
use OSS\Credentials\EnvironmentVariableCredentialsProvider;

// 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。
$provider = new EnvironmentVariableCredentialsProvider();
//请填写您的自定义域名。例如http://static.example.com。
$endpoint = "http://static.example.com";
// 填写Bucket名称，例如examplebucket。
$bucket= "examplebucket";
// 如果文档位于Bucket根目录，则直接填写文档名称。如果文档不在Bucket根目录，需携带文档完整路径，例如exampledir/example.docx。
$key = 'example.docx'; 

$config = array(
        "provider" => $provider,
        "endpoint" => $endpoint,
        "signatureVersion" => OssClient::OSS_SIGNATURE_VERSION_V4,
        "cname"	=> true,
        "region"=> "cn-hangzhou"
    );
    $ossClient = new OssClient($config);

// 生成一个带图片处理参数的签名的URL，有效期是3600秒，可以直接使用浏览器访问。
$timeout = 3600;

$options = array(
    // 构建在线预览的处理指令。
    OssClient::OSS_PROCESS => "doc/preview,export_1,print_1/watermark,text_5YaF6YOo6LWE5paZ,size_30,t_60");
$signedUrl = $ossClient->signUrl($bucket, $object, $timeout, "GET", $options);
print("rtmp url: \n" . $signedUrl);