Java通过http方式下载文件
@GetMapping("getFile/v1.1")public void getFileV2(HttpServletResponse response) throws Exception {//设置请求头,表示下载文件和文件名称response.setHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode
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@GetMapping("getFile/v1.1")
public void getFileV2(HttpServletResponse response) throws Exception {
//设置请求头,表示下载文件和文件名称
response.setHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode("xx.jpg", "utf-8"));
String urlStr = "https://dn-odum9helk.qbox.me/Fvzr5I55m4wJYsXkTrUlqXIyhdl0";
URL url = new URL(urlStr);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
// 设置超时间为3秒
conn.setConnectTimeout(3 * 1000);
//获取输入流
InputStream inputStream = conn.getInputStream();
//获取输出流
ServletOutputStream outputStream = response.getOutputStream();
//每次下载1024位
byte[] b =new byte[1024];
int len = -1;
while((len = inputStream.read(b))!=-1) {
outputStream.write(b, 0, len);
}
inputStream.close();
fileOutputStream.close();
}
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