七牛云java（服务端）通用工具类
前言
需要安装lombok插件。
功能列表
- 上传本地文件
- 上传Base64图片
- 获取文件访问地址
- 上传MultipartFile
代码
pom.xml
<dependency>
<groupId>com.qiniu</groupId>
<artifactId>qiniu-java-sdk</artifactId>
<version>[7.2.0, 7.2.99]</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.2</version>
<scope>provided</scope>
</dependency>
qiniu.properties
# 七牛云配置
qiniu.access-key=你的accessKey
qiniu.secret-key=你的secretKey
qiniu.bucket=你的存储空间名称
# [{'zone0':'华东'}, {'zone1':'华北'},{'zone2':'华南'},{'zoneNa0':'北美'},{'zoneAs0':''}]
qiniu.zone=zone0
qiniu.domain-of-bucket=外链默认域名
# 链接过期时间，单位是秒，3600代表1小时，-1代表永不过期
qiniu.expire-in-seconds=-1
QiNiuConfig.java
import com.qiniu.common.Zone;
import lombok.Data;
import lombok.extern.slf4j.Slf4j;
import java.util.Properties;
/**
* 七牛云配置
*
* @author simon
* @create 2018-08-15 10:44
**/
@Slf4j
@Data
public class QiNiuConfig {
private String accessKey;
private String secretKey;
private String bucket;
private Zone zone;
private String domainOfBucket;
private long expireInSeconds;
private static QiNiuConfig instance = new QiNiuConfig();
private QiNiuConfig(){
Properties prop = new Properties();
try {
prop.load(QiNiuConfig.class.getResourceAsStream("/qiniu.properties"));
accessKey = prop.getProperty("qiniu.access-key");
secretKey = prop.getProperty("qiniu.secret-key");
bucket = prop.getProperty("qiniu.bucket");
domainOfBucket = prop.getProperty("qiniu.domain-of-bucket");
expireInSeconds = Long.parseLong(prop.getProperty("qiniu.expire-in-seconds"));
String zoneName = prop.getProperty("qiniu.zone");
if(zoneName.equals("zone0")){
zone = Zone.zone0();
}else if(zoneName.equals("zone1")){
zone = Zone.zone1();
}else if(zoneName.equals("zone2")){
zone = Zone.zone2();
}else if(zoneName.equals("zoneNa0")){
zone = Zone.zoneNa0();
}else if(zoneName.equals("zoneAs0")){
zone = Zone.zoneAs0();
}else{
throw new Exception("Zone对象配置错误！");
}
} catch (Exception e) {
e.printStackTrace();
}
}
public static QiNiuConfig getInstance(){
return instance;
}
public static void main(String[] args) {
System.out.println(QiNiuConfig.getInstance().getAccessKey());
}
}
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;
/**
* 七牛上传下载工具类
*
* @author simon
* @create 2018-08-15 11:21
**/
@Slf4j
public class QiNiuUtil {
/**
* 上传本地文件
* @param localFilePath 本地文件完整路径
* @param key 文件云端存储的名称
* @param override 是否覆盖同名同位置文件
* @return
*/
public static boolean upload(String localFilePath, String key, boolean override){
//构造一个带指定Zone对象的配置类
Configuration cfg = new Configuration(QiNiuConfig.getInstance().getZone());
//...其他参数参考类注释
UploadManager uploadManager = new UploadManager(cfg);
//...生成上传凭证，然后准备上传
Auth auth = Auth.create(QiNiuConfig.getInstance().getAccessKey(), QiNiuConfig.getInstance().getSecretKey());
String upToken;
if(override){
upToken = auth.uploadToken(QiNiuConfig.getInstance().getBucket(), key);//覆盖上传凭证
}else{
upToken = auth.uploadToken(QiNiuConfig.getInstance().getBucket());
}
try {
Response response = uploadManager.put(localFilePath, key, upToken);
//解析上传成功的结果
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;
}
}
/**
* 上传Base64图片
* @param l 图片没经过base64处理的原图字节大小，获取文件大小的时候，切记要通过文件流的方式获取。而不是通过图片标签然后转换后获取。
* @param file64 图片base64字符串
* @param key 文件云端存储的名称
* @param override 是否覆盖同名同位置文件
* @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("图片文件读取失败");
return false;
}
String file64 = Base64.encodeToString(src, 0);*/
Auth auth = getAuth();
String upToken;
if(override){
upToken = auth.uploadToken(QiNiuConfig.getInstance().getBucket(), key);//覆盖上传凭证
}else{
upToken = auth.uploadToken(QiNiuConfig.getInstance().getBucket());
}
String url = "http://upload.qiniup.com/putb64/" + l+"/key/"+ UrlSafeBase64.encodeToString(key);
//非华东空间需要根据注意事项 1 修改上传域名
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();
}
/**
* 获取文件访问地址
* @param fileName 文件云端存储的名称
* @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);
}
/**
* 上传MultipartFile
* @param file
* @param key
* @param override
* @return
* @throws IOException
*/
public static boolean uploadMultipartFile(MultipartFile file, String key, boolean override) {
//构造一个带指定Zone对象的配置类
Configuration cfg = new Configuration(QiNiuConfig.getInstance().getZone());
//...其他参数参考类注释
UploadManager uploadManager = new UploadManager(cfg);
//把文件转化为字节数组
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);//覆盖上传凭证
}else{
upToken = auth.uploadToken(QiNiuConfig.getInstance().getBucket());
}
//默认上传接口回复对象
DefaultPutRet putRet;
//进行上传操作，传入文件的字节数组，文件名，上传空间，得到回复对象
Response response = uploadManager.put(uploadBytes, key, upToken);
putRet = new Gson().fromJson(response.bodyString(), DefaultPutRet.class);
System.out.println(putRet.key);//key 文件名
System.out.println(putRet.hash);//hash 七牛返回的文件存储的地址，可以使用这个地址加七牛给你提供的前缀访问到这个视频。
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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