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摘要: 用jsp,读远程文件,保存到本地
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());
}
}
%>
<input name="query" size="44"/> Search Criteria
<input name="maxresults" size="4" value="100"/> Results Per Page
<input type="submit" value="Search"/>