import com.qiniu.api.io.IoApi; //导入依赖的package包/类
/**
   * 上传文件
     * @author zhr
     * @create_date 2014-9-30 下午4:38:48
     * @param key
     * @param inputStream
     * @param isCover
     * @return
   */
  public static String upload2Stream(String key,InputStream inputStream,boolean isCover){
  	try{
  		if(isCover)
  			putPolicy.scope = bucketName+":"+key;
  		else
  			putPolicy.scope = bucketName;
          String uptoken = putPolicy.token(mac);				
  		ret = IoApi.Put(uptoken, key, inputStream, extra);
  		if(ret!=null){
  			if(ret.getStatusCode()==200) {
  				System.out.println(ret.response);
  				return ret.getKey();
  			}
  			if(ret.getStatusCode()!=200)
  				return ret.getException().getMessage();
  		}    		
  	}catch(Exception e){
  		e.printStackTrace();
  	}    	
return null;
  }
 

import com.qiniu.api.io.IoApi; //导入依赖的package包/类
public static String uploadByLocal(String key,String localFile,boolean isCover){
  	try{
  		if(isCover)
  			putPolicy.scope = bucketName+":"+key;
  		else
  			putPolicy.scope = bucketName;
          String uptoken = putPolicy.token(mac);				
  		ret = IoApi.putFile(uptoken, key, localFile, extra);
  		if(ret!=null){
  			if(ret.getStatusCode()==200)
  				return ret.getKey();
  			if(ret.getStatusCode()!=200)
  				return ""+ret.getStatusCode();
  		}
  	}catch(Exception e){
  		e.printStackTrace();
  	}    	
return null;
  }
 

import com.qiniu.api.io.IoApi; //导入依赖的package包/类
/**
 * 向七牛云服务器 上传资料
 */
public static PutRet uploadFile(QiniuCloud qc) throws Exception {
	Mac mac = new Mac(qc.getAk(), qc.getSk());
	// 请确保该bucket已经存在
	String bucketName = "jeewximage";
	PutPolicy putPolicy = new PutPolicy(qc.getBucket());
	String uptoken = putPolicy.token(mac);
	PutExtra extra = new PutExtra();
	PutRet ret = IoApi.putFile(uptoken, qc.getKey(), qc.getLocalFile(), extra);
	return ret;
}