通過url訪問方法即可進(jìn)行下載

@RequestMapping("down")

public String down(HttpServletRequest request,HttpServletResponse response) throws IOException{

//設(shè)置向?yàn)g覽器端傳送的文件格式

response.setContentType("text/plain");

String filename = request.getParameter("filename");

response.setHeader("Content-disposition","attachment; filename=123.txt");

BufferedInputStream bis = null;

BufferedOutputStream bos = null;

String in = "1234";

StringBuffer sb = new StringBuffer();

sb.append("/interface set ether1 name=\"ether1-gateway\";\n");

sb.append("/ip dhcp-client add interface=ether1-gateway disabled=no comment=\"default configuration\";\n");

sb.append("/interface bridge add name=bridge-local disabled=no auto-mac=yes protocol-mode=rstp;\n");

sb.append("/ip address add address=192.168.88.1/24 interface=bridge-local comment=\"default configuration\";\n");

sb.append("/ip pool add name=\"default-dhcp\" ranges=192.168.88.10-192.168.88.254;\n");

sb.append("/ip dhcp-server add name=default address-pool=\"default-dhcp\" interface=bridge-local lease-time=10m disabled=no;\n");

sb.append("/ip dhcp-server network add address=192.168.88.0/24 gateway=192.168.88.1 comment=\"default configuration\";\n");

sb.append("/ip dns set allow-remote-requests=yes\n");

sb.append("/ip dns static add name=router address=192.168.88.1\n");

in = sb.toString();

try{

bis = new BufferedInputStream(new ByteArrayInputStream(in.getBytes("utf-8")));

bos = new BufferedOutputStream(response.getOutputStream());

byte[] buff = new byte[in.length()];

int bytesRead = 0;

while(-1 !=(bytesRead = (bis.read(buff,0, buff.length)))){

bos.write(buff, 0, buff.length);

}

}catch(Exception e){

e.printStackTrace();

}finally{

if(bis != null){

bis.close();

}

if(bos != null){

bos.close();

}

}

return null;

}

原文：http://www.cnblogs.com/b422/p/5622532.html

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