七牛雲java（服務端）通用工具類
阿新 • • 發佈：2018-11-26
前言
需要安裝lombok外掛。
功能列表
- 上傳本地檔案
- 上傳Base64圖片
- 獲取檔案訪問地址
- 上傳MultipartFile
程式碼
pom.xml
<dependency>
<groupId>com.qiniu</groupId>
<artifactId>qiniu-java-sdk</artifactId>
<version>[7.2.0, 7.2.99]</version>
</dependency>
<dependency qiniu.properties
# 七牛雲配置
qiniu.access-key=你的accessKey
qiniu.secret-key=你的secretKey
qiniu.bucket=你的儲存空間名稱
# QiNiuConfig.java
import com.qiniu.common.Zone;
import lombok.Data;
import lombok.extern.slf4j.Slf4j;
import java.util.Properties;
/**
* 七牛雲配置
*
* @author QiNiuUtil.java
import com.google.gson.Gson;
import com.qiniu.common.QiniuException;
import com.qiniu.http.Response;
import com.qiniu.storage.Configuration;
import com.qiniu.storage.UploadManager;
import com.qiniu.storage.model.DefaultPutRet;
import com.qiniu.util.Auth;
import com.qiniu.util.UrlSafeBase64;
import lombok.extern.slf4j.Slf4j;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;
import org.springframework.web.multipart.MultipartFile;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
/**
* 七牛上傳下載工具類
*
* @author simon
* @create 2018-08-15 11:21
**/
@Slf4j
public class QiNiuUtil {
/**
* 上傳本地檔案
* @param localFilePath 本地檔案完整路徑
* @param key 檔案雲端儲存的名稱
* @param override 是否覆蓋同名同位置檔案
* @return
*/
public static boolean upload(String localFilePath, String key, boolean override){
//構造一個帶指定Zone物件的配置類
Configuration cfg = new Configuration(QiNiuConfig.getInstance().getZone());
//...其他引數參考類註釋
UploadManager uploadManager = new UploadManager(cfg);
//...生成上傳憑證，然後準備上傳
Auth auth = Auth.create(QiNiuConfig.getInstance().getAccessKey(), QiNiuConfig.getInstance().getSecretKey());
String upToken;
if(override){
upToken = auth.uploadToken(QiNiuConfig.getInstance().getBucket(), key);//覆蓋上傳憑證
}else{
upToken = auth.uploadToken(QiNiuConfig.getInstance().getBucket());
}
try {
Response response = uploadManager.put(localFilePath, key, upToken);
//解析上傳成功的結果
DefaultPutRet putRet = new Gson().fromJson(response.bodyString(), DefaultPutRet.class);
System.out.println(putRet.key);
System.out.println(putRet.hash);
return true;
} catch (QiniuException ex) {
Response r = ex.response;
System.err.println(r.toString());
try {
System.err.println(r.bodyString());
} catch (QiniuException ex2) {
//ignore
return false;
}
return false;
}
}
/**
* 上傳Base64圖片
* @param l 圖片沒經過base64處理的原圖位元組大小，獲取檔案大小的時候，切記要通過檔案流的方式獲取。而不是通過圖片標籤然後轉換後獲取。
* @param file64 圖片base64字串
* @param key 檔案雲端儲存的名稱
* @param override 是否覆蓋同名同位置檔案
* @return
* @throws IOException
*/
public static boolean uploadBase64(int l, String file64, String key, boolean override) throws IOException{
/*FileInputStream fis = null;
int l = (int) (new File(localFilePath).length());
byte[] src = new byte[l];
try {
fis = new FileInputStream(new File(localFilePath));
fis.read(src);
}catch (FileNotFoundException e){
e.printStackTrace();
log.error(e.getMessage());
log.error("圖片檔案讀取失敗");
return false;
}
String file64 = Base64.encodeToString(src, 0);*/
Auth auth = getAuth();
String upToken;
if(override){
upToken = auth.uploadToken(QiNiuConfig.getInstance().getBucket(), key);//覆蓋上傳憑證
}else{
upToken = auth.uploadToken(QiNiuConfig.getInstance().getBucket());
}
String url = "http://upload.qiniup.com/putb64/" + l+"/key/"+ UrlSafeBase64.encodeToString(key);
//非華東空間需要根據注意事項 1 修改上傳域名
RequestBody rb = RequestBody.create(null, file64);
Request request = new Request.Builder().
url(url).
addHeader("Content-Type", "application/octet-stream")
.addHeader("Authorization", "UpToken " + upToken)
.post(rb).build();
//System.out.println(request.headers());
OkHttpClient client = new OkHttpClient();
okhttp3.Response response = client.newCall(request).execute();
//System.out.println(response);
return response.isSuccessful();
}
/**
* 獲取檔案訪問地址
* @param fileName 檔案雲端儲存的名稱
* @return
* @throws UnsupportedEncodingException
*/
public static String fileUrl(String fileName) throws UnsupportedEncodingException {
String encodedFileName = URLEncoder.encode(fileName, "utf-8");
String publicUrl = String.format("%s/%s", QiNiuConfig.getInstance().getDomainOfBucket(), encodedFileName);
Auth auth = getAuth();
long expireInSeconds = QiNiuConfig.getInstance().getExpireInSeconds();
if(-1 == expireInSeconds){
return auth.privateDownloadUrl(publicUrl);
}
return auth.privateDownloadUrl(publicUrl, expireInSeconds);
}
/**
* 上傳MultipartFile
* @param file
* @param key
* @param override
* @return
* @throws IOException
*/
public static boolean uploadMultipartFile(MultipartFile file, String key, boolean override) {
//構造一個帶指定Zone物件的配置類
Configuration cfg = new Configuration(QiNiuConfig.getInstance().getZone());
//...其他引數參考類註釋
UploadManager uploadManager = new UploadManager(cfg);
//把檔案轉化為位元組陣列
InputStream is = null;
ByteArrayOutputStream bos = null;
try {
is = file.getInputStream();
bos = new ByteArrayOutputStream();
byte[] b = new byte[1024];
int len = -1;
while ((len = is.read(b)) != -1){
bos.write(b, 0, len);
}
byte[] uploadBytes= bos.toByteArray();
Auth auth = getAuth();
String upToken;
if(override){
upToken = auth.uploadToken(QiNiuConfig.getInstance().getBucket(), key);//覆蓋上傳憑證
}else{
upToken = auth.uploadToken(QiNiuConfig.getInstance().getBucket());
}
//預設上傳介面回覆物件
DefaultPutRet putRet;
//進行上傳操作，傳入檔案的位元組陣列，檔名，上傳空間，得到回覆物件
Response response = uploadManager.put(uploadBytes, key, upToken);
putRet = new Gson().fromJson(response.bodyString(), DefaultPutRet.class);
System.out.println(putRet.key);//key 檔名
System.out.println(putRet.hash);//hash 七牛返回的檔案儲存的地址，可以使用這個地址加七牛給你提供的字首訪問到這個視訊。
return true;
}catch (QiniuException e){
e.printStackTrace();
return false;
}catch (IOException e) {
e.printStackTrace();
return false;
}
}
public static Auth getAuth(){
Auth auth = Auth.create(QiNiuConfig.getInstance().getAccessKey(), QiNiuConfig.getInstance().getSecretKey());
return auth;
}
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