dlxdc - 経済統計練習帳

package kuzu;
 
 
import tool.*;
 
public class pro {
 
    int s,datanumber;
  String[] data=new String[5000];
  String[] link=new String[5000];
 
    public static void main(String[] args) {
        pro t=new pro();
    }
    pro(){
 
 
          String urlx="http://www.mlit.go.jp/toukeijouhou/chojou/material_result.htm";
 
 
 
        getdata sub=new getdata();
   sub.makedata(urlx,"SJIS");
   data=sub.data;
   datanumber=sub.datanumber;
 
 int sx=0;
   for(s=1;s<datanumber+1;s++){
 if(data[s].indexOf("EXCEL</a")>-1)sx=sx+1;
    if(data[s].indexOf("EXCEL</a")>-1)link[sx]=data[s]; 
   }
 
   int number=sx;
     for(s=1;s<number+1;s++){
     int p1=link[s].indexOf("ex/material_xls_data");  
     int p2=link[s].indexOf("\"",p1);   
     link[s]="http://www.mlit.go.jp/toukeijouhou/chojou/"+link[s].substring(p1,p2);
     System.out.println(link[s]); 
     }
 
     for(s=1;s<number+1;s++){
     dl sub2=new dl();
     sub2.makedata(link[s],"data/"+s+".xls");
 
     }
 
 
 
 
 
 
    }
 
 
 
 
}
 
 
package kuzu;
 
import java.io.*;
import java.io.File;
import java.net.URL;
import java.net.URLConnection;
import java.io.File;
import java.io.*;
 
public class dl {
 
 
 
 
 
 
   void makedata(String urlx,String filex){
 
 
 
        try {
 
 
            URL url = new URL(urlx);
 URLConnection conn = url.openConnection();
 conn.setRequestProperty("User-Agent", "Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_5_8; en-US) AppleWebKit/532.5 (KHTML, like Gecko) Chrome/4.0.249.0 Safari/532.5");
 
InputStream in = conn.getInputStream();
 
File file = new File(filex);
 
FileOutputStream out = new FileOutputStream(file, false);
int b;
while((b = in.read()) != -1){
    out.write(b);
}
 
out.close();
in.close();
 
 
 
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}