股票交易所日历接口-腾讯云对象存储 java sdk 示例

pom引入

<dependency>
    <groupId>com.qcloud</groupId>
    <artifactId>cos_api</artifactId>
    <version>5.6.38</version>
</dependency>

腾讯云对象存储 java sdk 示例

工具类

package com.base.utils;

import com.qcloud.cos.COSClient;
import com.qcloud.cos.ClientConfig;
import com.qcloud.cos.auth.BasicCOSCredentials;
import com.qcloud.cos.auth.COSCredentials;
import com.qcloud.cos.http.HttpMethodName;
import com.qcloud.cos.http.HttpProtocol;
import com.qcloud.cos.model.GeneratePresignedUrlRequest;
import com.qcloud.cos.model.PutObjectRequest;
import com.qcloud.cos.region.Region;
import org.springframework.web.multipart.MultipartFile;

import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import java.util.Date;

/**
 * @author 吴桂鑫
 * @Description  腾讯云-对象存储 工具类
 */
public class QCloudUtils
{
     // 存储桶的命名格式必须为 BucketName-APPID
     private static final String  BUCKET_NAME = 'BucketName-APPID';
     // 密钥ID
     private static final String  SECRET_ID = 'SECRET_ID';
     // 密钥KEY
     private static final String  SECRET_KEY = 'SECRET_KEY';
     // Region
     private static final String  REGION_NAME = 'REGION_NAME';
     // basePicUrl
     private static final String  BASE_FILE_URL = 'BASE_FILE_URL';

     // 生成 cos 客户端
     private static COSClient getCOSClient() {
         // 1 初始化用户身份信息(secretId, secretKey)
         COSCredentials cred = new BasicCOSCredentials(SECRET_ID, SECRET_KEY);
         // 2 设置bucket的区域, COS地域的简称请参照 https://cloud.tencent.com/document/product/436/6224
         Region region = new Region(REGION_NAME);
         ClientConfig clientConfig = new ClientConfig(region);
         // 3 这里建议设置使用 https 协议
         clientConfig.setHttpProtocol(HttpProtocol.https);
         // 4 生成 cos 客户端
         COSClient cosClient = new COSClient(cred, clientConfig);
         return cosClient;
     }

    /**
     * 生成带签名的 预下载链接
     * @param key 文件名称
     */
    public static String getPreDownLoadUrl(String key) {
        COSClient cosClient = getCOSClient();
        GeneratePresignedUrlRequest req = new GeneratePresignedUrlRequest(BUCKET_NAME, key, HttpMethodName.GET);
        // 设置签名过期时间(可选), 若未进行设置, 则默认使用 ClientConfig 中的签名过期时间(1小时)
        // 这里设置签名在半个小时后过期
        Date expirationDate = new Date(System.currentTimeMillis() + 30 * 60 * 1000L);
        req.setExpiration(expirationDate);
        URL 股票交易所日历接口,url = cosClient.generatePresignedUrl(req);
        String downLUrl = 股票交易所日历接口,url.toString();
        cosClient.shutdown();
        return downLUrl;
    }

    /**
     * 生成带签名的 预上传链接，可直接发给客户端进行文件的上传
     * @param key
     */
    public static String getPreUploadUrl(String key) {
        COSClient cosClient = getCOSClient();
        //设置签名过期时间(可选), 若未进行设置, 则默认使用 ClientConfig 中的签名过期时间(1小时)
        Date expirationTime = new Date(System.currentTimeMillis() + 30L * 60L * 1000L);
        URL 股票交易所日历接口,url = cosClient.generatePresignedUrl(BUCKET_NAME, key, expirationTime, HttpMethodName.PUT);
        cosClient.shutdown();
        return 股票交易所日历接口,url.toString();
    }



    /**
     * 小文件上传
     * @param mf
     */
    public static void upoload(MultipartFile mf, String key) throws Exception{
        InputStream inputStream=null;
        COSClient cosClient=null;
        try{
            inputStream = mf.getInputStream();
            cosClient = getCOSClient();
            PutObjectRequest putObjectRequest = new PutObjectRequest(BUCKET_NAME,key,inputStream,null);
            getCOSClient().putObject(putObjectRequest);
        }finally {
            if(cosClient!=null) {
                cosClient.shutdown();
            }
            if(inputStream!=null) {
                inputStream.close();
            }

        }
    }


    /**
     * 判断网络给定地址图片是否存在
     * @param key
     */
    public static URL getUrl(String key) {
        try {
            URL 股票交易所日历接口,url = new URL(BASE_FILE_URL + key);
            URLConnection uc = 股票交易所日历接口,url.openConnection();
            InputStream in = uc.getInputStream();
            if (key.equalsIgnoreCase(uc.getURL().toString()))
                in.close();
            return 股票交易所日历接口,url;
        } catch (Exception e) {
            return null;
        }
    }

    public static void main(String[] args)
    {
        getPreUploadUrl('test.mp3');
    }
}

vue页面调用put直接上传文件

uploadCos(file) {
    return request({
      股票交易所日历接口,url: '/xxx/xxxx',
      data: file,
      method: 'put',
      headers: {'Content-Type':'binary'}
    })
}

文章为作者独立观点，不代表股票交易接口观点