package com.input;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;

public class AreaDao extends BaseDao {
	
	/**
	 * 批量新增資料
	 */
	public void add(List<Object> list) throws Exception{
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		Date date = new Date();
		int listSize = list.size();
		Object object[] = null;
		con = getCon();
		con.setAutoCommit(false);//關閉事務自動提交
		String sql = "INSERT INTO f_area(administrative_code, parent_administrative_code, grade, area_name, create_time) VALUES(?,?,?,?,?)";
		ps = con.prepareStatement(sql);
		System.out.println("---------總記錄數為:"+list.size()+"-------------");
		for(int i = 0;i < listSize;i++){
			object = (Object[])list.get(i);
			ps.setObject(1, object[0]);
			ps.setObject(2, object[1]);
			ps.setObject(3, object[2]);
			ps.setObject(4, object[3]);
			ps.setObject(5, sdf.format(date));
		    ps.addBatch(); //把一個SQL命令加入命令列表 
		    if(i != 0 && i % 10 == 0){
        		System.out.println("=====執行了"+i+"條記錄=====");
        	}
        	if(i == listSize - 1 ){
        		System.out.println("=====總共成功執行了"+listSize+"條記錄=====");
        	}
		}
		ps.executeBatch();//執行批量更新  
		con.commit();//語句執行完畢，提交本事務  
		closeAll(rs, ps, con);
	}
}




////////////////////////////////////////////

package com.input;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

public class BaseDao {
  
	private static final String url = "jdbc:mysql://127.0.0.1:3306/china_dress?zeroDateTimeBehavior=convertToNull&characterEncoding=utf-8";
	private static final String username = "root";
	private static final String password = "123456";
    public Connection con = null;
    public PreparedStatement ps = null;
    public ResultSet rs = null;
      
    /**
     * 使用JDBC連線資料庫
     */
    public Connection getCon(){
        try {
            Class.forName("com.mysql.jdbc.Driver");
            con = DriverManager.getConnection(url, username, password);
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (SQLException e) {
            e.printStackTrace();
        }
        return con;
    }
      
    /** 
     * 關閉連線 
     */  
    public void closeAll(ResultSet rs, PreparedStatement ps, Connection con){
        try {
			if(rs != null){
				rs.close();
			}if(ps != null){
				ps.close();
			}if(con != null){
				con.close();
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
    }
    
    /**
     * 測試連線
     */
    public static void main(String[] args) {
        BaseDao baseDao = new BaseDao();
        Connection conn = baseDao.getCon();
        System.out.println("con:" + conn);
    }
}