远程调用http接口下载文件，接口返回流
一、将文件保存本地文章来源：https://www.toymoban.com/news/detail-632702.html
public String httpDownload(String httpUrl){
try {
URL url = new URL(httpUrl) ;
//filePath文件地址，fileName文件名
File file = new File(filePath, fileName);
FileUtils.copyURLToFile(url,file);
} catch (IOException e) {
logger.info("用印文件下载失败:{}",e.getMessage());
return null;
}
//文件地址
return basePath + "/" + fileName;
}
二、将接收到流直接返回文章来源地址https://www.toymoban.com/news/detail-632702.html
public void httpDownload(String httpUrl,HttpServletResponse response)throws IOException{
URL url = new URL(httpUrl) ;
HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection() ;
urlConnection.connect() ;
OutputStream outputStream = response.getOutputStream();
InputStream inputStream = urlConnection.getInputStream() ;
IOUtils.copy(inputStream,outputStream);
inputStream.close();
response.flushBuffer();
outputStream.close();
}
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