p082404 - 経済統計練習帳

package keiki;
 
import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
 
import tool.*;
 
public class pro {
 
    int maxx,maxy;
 
      String[][] data=new String[50000][20];
      String[] year=new String[700000];
      String[] month=new String[700000];
        String[] credit=new String[50000];
        String[] datax=new String[70000];
      int s,sx;
         String[] bus=new String[50000];
        int fastline,lastline;
    int indexline;
    int creditx,credity;  
 int upper,under;
    String[] v=new String[70000];
 int yy;
 
 
 int creditnumber;
String[] creditp=new String[50];
String[] style=new String[50];
int[] strlong=new int[50];
 
 int datanumber;
 
 
    public static void main(String[] args) {
        pro test=new pro();
    }
 
    pro(){
 
 
        creditnumber=4;
        creditp[1]="year";
        creditp[2]="month";
        creditp[3]="credit";
        creditp[4]="value"; 
        style[1]="INTEGER";
        style[2]="INTEGER";
        style[3]="VARCHAR";
        style[4]="VARCHAR";
 
        strlong[3]=5;
        strlong[4]=20;
 
        String db,tab;
 
        db="com";
        tab="com";
 
 
        table sub7=new table();
        sub7.credit=creditp;
        sub7.creditnumber=creditnumber;
        sub7.style=style;
        sub7.strlong=strlong;
        sub7.makedata(db,tab);
 
 
 
 
 
 
 
 
 
 
        int tr;
 
 
 
 
 
        readfile sub=new readfile();
        sub.makedata("data.txt","UTF-8");
        datax=sub.data;
        datanumber=sub.datanumber;
 
 
 
    for(s=1;s<datanumber+1;s++){
    catchword sub2=new catchword(); 
    bus[s]=sub2.makedata(datax[s],"month");
    year[s]=sub2.makedata(datax[s],"year");
    credit[s]=sub2.makedata(datax[s],"code_credit");       
    v[s]=sub2.makedata(datax[s],"value");    
 
    }
 
 
 
        for(s=1;s<datanumber+1;s++){
 
        data[s][1]=year[s];
        data[s][2]=bus[s];
        data[s][3]="c"+credit[s];
        data[s][4]=v[s];
 
        }
 
 
        insert sub5=new insert();
        sub5.creditnumber=creditnumber;
        sub5.style=style;
        sub5.data=data;
        sub5.datanumber=datanumber;
        sub5.makedata(db,tab);
 
 
 
 
 
 
 
 
 }
 
      int numx(String str){
 
    int nx;
 
    nx=0;
 
 try{
 
    nx=Integer.parseInt(str);
 
 }catch (Exception e) {}
 
 return nx;
 
 
 
}
 
 
 
 
 
 
 
 
}
 
 
 
 
package keiki;
 
 
import java.sql.*; 
 
public class table{
 
    Connection dbx;   
Statement stx;   
String sqx; 
ResultSet  rsx; 
int creditnumber;
String[] credit=new String[50];
String[] style=new String[50];
int[] strlong=new int[50];
 
 
 
 
    void makedata(String db,String tab){
 
 
 
        String str;
 
        str="";
        int s;
        for(s=1;s<creditnumber;s++){
        if(style[s].equals("INTEGER"))str=str+credit[s]+" "+style[s]+",";
        if(style[s].equals("VARCHAR"))str=str+credit[s]+" "+style[s]+"("+strlong[s]+"),";
        }
        s=creditnumber;
        if(style[s].equals("INTEGER"))str=str+credit[s]+" "+style[s];
        if(style[s].equals("VARCHAR"))str=str+credit[s]+" "+style[s]+"("+strlong[s]+")";
 
 
 
 
    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 sqx = "CREATE TABLE " +tab+"("+str+")"; 
 
 
      stx.executeUpdate(sqx);
 
 } catch (Exception ex) { ex.printStackTrace();} 
 
 
 
 
 
 
    }
}
 
 
 
 
 
package keiki;
 
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;
}
}