用jsp,读远程文件,保存到本地 读取网络文件有些不一样,我给你一个完整的代码吧,存成jsp就可以直接运行的。 <%@ page import="java.io.*"%> <%@ page import="java.net.*"%> <%@ page import="java.util.Properties"%> <% //?程文件路径 String s1 = "http://www.google.co.jp"; //本地存放路径 String s2 = "C:\\test.html"; URL urlfile = null; HttpURLConnection httpUrl = null; BufferedInputStream bis = null; BufferedOutputStream bos = null; File f = new File(s2); //make proxy String proxy = "192.168.224.12"; String port = "8080"; Properties systemProperties = System.getProperties(); systemProperties.setProperty("http.proxyHost",proxy); systemProperties.setProperty("http.proxyPort",port); try{ //?接指定的网??源,?取网??入流 urlfile = new URL(s1); httpUrl = (HttpURLConnection)urlfile.openConnection(); httpUrl.connect(); bis = new BufferedInputStream(httpUrl.getInputStream()); }catch(Exception e){ System.out.println(e.toString()); } try{ bos = new BufferedOutputStream(new FileOutputStream(f));; byte[] b = new byte[1024]; while(bis.read(b)!=-1) { bos.write(b); } }catch(Exception e){ System.out.println(e.toString()); }finally{ try{ bos.flush(); bis.close(); httpUrl.disconnect(); }catch(Exception e){ System.out.println(e.toString()); } } %> 其中 //make proxy String proxy = "192.168.224.12";//防火墙地址 String port = "8080"; //防火墙端口 Properties systemProperties = System.getProperties(); systemProperties.setProperty("http.proxyHost",proxy); systemProperties.setProperty("http.proxyPort",port); 这一段是如果你的机器设定了防火墙,需要加上,如果是直接连上网,就不用。 |
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