generatesql.java.svn-base

来自「通讯采集软件」· SVN-BASE 代码 · 共 63 行

package repeatsql;
import java.io.*;
import java.util.*;

public class GenerateSql {

    public GenerateSql() {
    }

    public static void main(String[] args){
        GenerateSql m_sql = new GenerateSql();
        String pathname = "D:\\repeatsql\\jssd\\"+ "imp_his_ip"+".txt";
        char[] sqlbuffer = new char[4000];
        String sqlStr = null;
        try{
            FileInputStream fs = new FileInputStream(pathname);
            BufferedReader br = new BufferedReader(new InputStreamReader(fs));
            br.read(sqlbuffer);
            fs.close();
            sqlStr = new String(sqlbuffer);
        }
        catch(Exception e){
            e.printStackTrace();
        }
        System.out.println(sqlStr);
        System.out.println("length is "+sqlStr.length());
        int index = sqlStr.lastIndexOf(";");
        String m_String  = sqlStr.substring(0,index+1);

        System.out.println("subString = "+m_String);
        System.out.println("length 2 = "+m_String.length());
        for(int i=2; i<=1662; i++){
            String oldString = new String("his_ip_")+new Integer(i-1).toString();
            String stringnew = new String("his_ip_")+new Integer(i).toString();
            String mm_String = m_String.replaceAll(oldString,stringnew);
            m_String = mm_String;
            System.out.println("oldString = "+oldString);
            System.out.println("stringnew = "+stringnew);
            m_sql.WriteToFile("1662imp_his_ip",m_String);
            m_sql.WriteToFile("1662imp_his_ip","");
        }
    }


    public static void WriteToFile(String filename,String m_String){
        String pathname = "D:\\repeatsql\\jssd\\"+ filename+".txt";
        File m_exfile = new File(pathname);
        try {
            if (!m_exfile.exists()) {
                m_exfile.createNewFile();
            }
            FileWriter fw = new FileWriter(m_exfile, true);
            PrintWriter pw = new PrintWriter(fw);
            pw.println(m_String);
            fw.close();
            pw.close();
        }
        catch (Exception exception) {
            exception.printStackTrace();
        }
    }
}