远程服务器文件目录获取以及所属文件读取

package com.jiuqi;

import java.io.BufferedReader;

import java.io.File;

import java.io.FileReader;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.net.HttpURLConnection;

import java.net.URL;

import org.htmlparser.Node;

import org.htmlparser.NodeFilter;

import org.htmlparser.Parser;

import org.htmlparser.filters.HasAttributeFilter;

import org.htmlparser.util.NodeList;

public class IndexOF {
public static void main(String[] args) throws Exception {
String[] urls = DownAndReadFile("http://221.226.108.218:9090//file//min//");
if(urls != null){
for(String url : urls){
System.out.println(url);
String str = getFileContent("http://221.226.108.218:9090//file//min//ST20171018100000.txt");
System.out.println(str);
}
}
}
/**

    * 远程下载文件并读取返回p

    * @param filePath 文件网络地址 如 http://www.baidu.com/1.txt
    * @return String
* @throws IOException 
   */
  public static String[] DownAndReadFile(String filePath) throws IOException{
  HttpURLConnection uc = null;
  InputStream iputstream = null;
  BufferedReader in = null;
  StringBuilder sb = new StringBuilder();
  String[] fileArr = null;
  try {
  URL url = new URL(filePath);
  uc = (HttpURLConnection) url.openConnection();
  uc.setDoInput(true);//设置是否要从 URL 连接读取数据,默认为true
  uc.connect();
  iputstream = uc.getInputStream();
  in = new BufferedReader(new InputStreamReader(iputstream, "utf-8"));
  StringBuffer buffer = new StringBuffer();
  String line = "";
while ((line = in.readLine()) != null) {
buffer.append(line);
}
String nginxStr = buffer.toString();
Parser parser = new Parser(nginxStr);  
       
NodeFilter filter = new HasAttributeFilter("a");  
           NodeList nodes = parser.extractAllNodesThatMatch(filter); 
           for (int i = 1; i < nodes.size(); i++) {  
                Node node = nodes.elementAt(i);
                sb.append(node.toPlainTextString() + " ");
           } 
           fileArr = sb.toString().split(" ");
           for(int j = 0; j < fileArr.length;j++){
           
fileArr[j] =  filePath + fileArr[j];
           }
} catch (Exception e) {
e.printStackTrace();
} finally{
if(in != null){
in.close();
in = null;
}
if(iputstream != null){
iputstream.close();
iputstream = null;
}
} 
return fileArr;
}
  
  public static String getFileContent(String filePath) throws IOException{
  String str = "";
  HttpURLConnection uc = null;
  BufferedReader in = null;

ae50
  InputStream iputstream = null;
      try {
URL url = new URL(filePath);
uc = (HttpURLConnection) url.openConnection();
  uc.setDoInput(true);//设置是否要从 URL 连接读取数据,默认为true
  uc.connect();
  iputstream = uc.getInputStream();
  in = new BufferedReader(new InputStreamReader(iputstream, "gbk"));
  StringBuffer buffer = new StringBuffer();
  String line = "";
while ((line = in.readLine()) != null) {
buffer.append(line);
}
str = buffer.toString();
} catch (Exception e) {
e.printStackTrace();
}finally{
if(in != null){
in.close();
in = null;
}
if(iputstream != null){
iputstream.close();
iputstream = null;
}
}
return str;
}

}