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  • java 将字符串下载为文本文件

    通过url访问方法即可进行下载

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

    //设置向浏览器端传送的文件格式
    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"; ");
    sb.append("/ip dhcp-client add interface=ether1-gateway disabled=no comment="default configuration"; ");
    sb.append("/interface bridge add name=bridge-local disabled=no auto-mac=yes protocol-mode=rstp; ");
    sb.append("/ip address add address=192.168.88.1/24 interface=bridge-local comment="default configuration"; ");
    sb.append("/ip pool add name="default-dhcp" ranges=192.168.88.10-192.168.88.254; ");
    sb.append("/ip dhcp-server add name=default address-pool="default-dhcp" interface=bridge-local lease-time=10m disabled=no; ");
    sb.append("/ip dhcp-server network add address=192.168.88.0/24 gateway=192.168.88.1 comment="default configuration"; ");
    sb.append("/ip dns set allow-remote-requests=yes ");
    sb.append("/ip dns static add name=router address=192.168.88.1 ");
    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;
    }

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  • 原文地址:https://www.cnblogs.com/b422/p/5622532.html
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