tablemajorlengthconcert.java

来自「一个可以存储和打印成绩单的系统」· Java 代码 · 共 39 行

package org.wuhang.cjsjk.OldDbToNewDb;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.Statement;
import java.util.HashMap;
import java.util.Vector;
import org.minjey.cjsjk.dao.Dao;
import org.minjey.cjsjk.model.MajorLength;
public class TableMajorlengthConcert {
	static HashMap<Integer,Integer> id_num = new HashMap<Integer,Integer>();
	public static HashMap<Integer,Integer> getID_Num(){
		return id_num;
	}
	public static void majorlength_concert(Connection old_con) {
		try {
			Statement st = old_con.createStatement();
		    ResultSet rs = st.executeQuery("select * from school_length");			
		    int count =0;
			Vector<Integer> majorlength_v = new Vector<Integer>();
		    while (rs.next()) {
				count++;
				id_num.put(rs.getInt("id"), count);
				majorlength_v.addElement((int)(rs.getFloat("year")*2));
			}
		    rs.close();
			st.close();
			for(int i=0;i<majorlength_v.size();i++){
				MajorLength majorlength_o = new MajorLength();
				majorlength_o.setLength(majorlength_v.elementAt(i));
				Dao dao = Dao.getDao();
				dao.save(majorlength_o);
			}
		} catch (Exception e) {
			System.out.println("some error");
			System.out.println(e.getMessage());
        } 
	}
}