oss不支持通过一个网络地址来上传图片，所以若想将网络上的图片上传到oss上需要走点弯路。
1、通过链接将图片下载到本地的一个文件夹下面
2、用oss上传该文件夹下的文件
3、上传完成后删除本地的文件
具体代码如下：
java" id="highlighter_175743">
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//获取当前项目的绝对路径 public static string gettomcatpath(){ string nowpath; string tempdir; nowpath=system.getproperty("user.dir"); tempdir=nowpath.replace("bin", ""); //把bin 文件夹变到 webapps文件里面 return tempdir; } /*** 将图片下载下来后，上传到oss* @param imglink* @param downloadpath* @return* @throws exception*/private string downloadimaganduploadtooss(string imglink,string downloadpath) throws exception{ list<string> urllist=new arraylist<string>(); urllist.add(imglink); string imgname=dateutil.formatdate(new date(), "yyyymmddhhmmss")+uuidutil.createuuid()+".jpg"; downloadpicture(urllist,downloadpath,imgname);string key="caralbum/"+imgname;string imgurl=ossobjectapi.genosspicurl(ossobjectapi.xi_an_bucket_name,ossobjectapi.xian_access_id,ossobjectapi.xian_access_key, "http://oss-cn-zhangjiakou.aliyuncs.com/",downloadpath+imgname,key);fileutil.delete(downloadpath+imgname);return imgurl;} /** * 传入要下载的图片的url列表，将url所对应的图片下载到本地 * @param urllist * @throws exception */private void downloadpicture(list<string> urllist,string path,string imgname) throws exception { if(urllist==null||urllist.size()==0){ return; } url url = null; fileoutputstream fileoutputstream =null; inputstream inputstream =null; for (string urlstring : urllist) { try { url = new url(urlstring); httpurlconnection connection = (httpurlconnection) url.openconnection(); connection.addrequestproperty("user-agent","mozilla/5.0 (windows nt 6.1; wow64; rv:55.0) gecko/20100101 firefox/55.0"); connection.setconnecttimeout(10 * 1000); connection.setreadtimeout(15 * 1000); inputstream = connection.getinputstream(); byte[] buffer = new byte[1024]; int length; fileoutputstream= new fileoutputstream(path+ file.separator+ imgname); while ((length = inputstream.read(buffer)) != -1) { fileoutputstream.write(buffer, 0, length); } } catch (exception e) { e.printstacktrace(); } finally{ inputstream.close(); fileoutputstream.flush(); fileoutputstream.close(); } } } |
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/qq_33556185/article/details/79152679
