p081510 - 経済統計練習帳

package travel;
 
import java.sql.*;
import java.io.*;
 
class insert {
 
    Connection dbx;   
Statement stx;   
String sqx; 
ResultSet  rsx; 
 
String[] style=new String[50];
int creditnumber;
  String[][] data=new String[5000][50];  
int datanumber;
 
int p;
 
    void makedata(String db,String tab) {
 
        String str;
 
        int s,sx;
 
        for(p=1;p<datanumber+1;p++){
 
 
       str="";
 
        for(sx=1;sx<creditnumber;sx++){
        if(style[sx].equals("VARCHAR"))str=str+change(data[p][sx])+",";
        if(style[sx].equals("INTEGER"))str=str+data[p][sx]+",";
        }
        sx=creditnumber;
        if(style[sx].equals("VARCHAR"))str=str+change(data[p][sx]);
        if(style[sx].equals("INTEGER"))str=str+data[p][sx];
 
    String url = "jdbc:h2:"+db+";create=true";   
String usr = "";   
String pwd = ""; 
 
 
 try{
 Class.forName("org.h2.Driver");
 
dbx = DriverManager.getConnection(url, usr, pwd); 
 
 
      stx = dbx.createStatement();
 
      String sql = "INSERT INTO "+tab+" VALUES("+str+")";
 
    int num = stx.executeUpdate(sql);
 
    stx.close();
 } catch (Exception ex) { ex.printStackTrace();} 
 
        }
 
 
  }
String change(String str){
String str1;
str1="'"+str+"'";
return str1;
}
}