Java程序两个数据表之间导数据mysql

package com.ibatis.test;

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

import org.aspectj.weaver.patterns.ThisOrTargetAnnotationPointcut;

import com.cc.ovp.domain.PlayerSkin;
import com.cc.ovp.domain.PlayerSkin.Ext;

public class PlayerSkinInputHostSetting {

private static Connection connection;
private static Statement statement;
private static ResultSet resultSet;
private ResultSetMetaData rsMetaData;

////构造函数
public PlayerSkinInputHostSetting(){

String url = "jdbc:mysql://192.168.168.20:3306/web";
String username = "xuan";
String password = "123456";
//加载驱动程序以连接数据库
try {
Class.forName( "org.gjt.mm.mysql.Driver" );
connection = DriverManager.getConnection(url, username, password );
}
//捕获加载驱动程序异常
catch ( ClassNotFoundException cnfex ) {
System.err.println("装载 JDBC/ODBC 驱动程序失败");
cnfex.printStackTrace();
}
//捕获连接数据库异常
catch ( SQLException sqlex ) {
System.err.println( "无法连接数据库" );
sqlex.printStackTrace();
}

}

///////////////////////////////
private static void getTable()
{
try {
//执行SQL语句
//String query = inputQuery.getText();
statement = connection.createStatement();
resultSet = statement.executeQuery("select * from player_skin;");
//在表格中显示查询结果

//DOC[] docs= resultSet;
/*   List list=(List)resultSet;
PlayerSkin palyerSkin=new PlayerSkin();
System.out.println("记录数===="+list.size());
for(int i=0; i<list.size();i++){
System.out.println(i+"========"+palyerSkin.getPlayerid()+"====="+palyerSkin.getUserid());
}*/
PlayerSkin palyerSkin2=new PlayerSkin();
PlayerSkin.Ext ext=null;
int j=0;
while(resultSet.next()){
j++;
String extTo=resultSet.getString("ext");
//System.out.println("======"+extTo);
try {
ext=(PlayerSkin.Ext.fromJSON(extTo));
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

System.out.println(j+"========"+resultSet.getString("playerid")
+"====="+resultSet.getString("userid")
+"===D==="+ext.getDisable_host()
+"===E==="+ext.getEnable_host());
//+"==EXT==="+resultSet.getString("ext"));

//System.out.println(j+"=========="+ext.getDisable_host()+"=========="+ext.getEnable_host());
insertDate(resultSet.getString("userid"), ext.getEnable_host(), ext.getDisable_host());

}
resultSet.close();
statement.close();
//connection.close();

}
catch ( SQLException sqlex ) {
sqlex.printStackTrace();
}
}

////插入数据
public static void insertDate(String userid,String enable_host,String disable_host) throws SQLException{
//statement=connection.createStatement();
PreparedStatement ps=connection.prepareStatement("insert into host_setting(userid,enable_host,disable_host,setting_type) values(?,?,?,?)");
ps.setString(1, userid);
ps.setString(2, enable_host);
ps.setString(3, disable_host);
ps.setInt(4, 0);

ps.executeUpdate();
ps.close();

}

public  static void main(String[] args){
PlayerSkinInputHostSetting psh=new PlayerSkinInputHostSetting();
psh.getTable();

/*       try {
String userid="1234";
String enable_host="hao123.com";
String disable_host="xixi.com";
psh.insertDate(userid, enable_host, disable_host);
connection.close();
System.out.println("=======导入成功===");
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
*/
}

}