最近写的一个数据库导入数据的程序，有兴趣的同学可以参考一下：
这个程序是针对mysql数据库的，在本地或服务器上运行，主要的需求还是，针对项目的某些bug修复
后，客户的数据要搬到新表上来，避免新版本上线或发布后用户的数据丢失，里面有Json格式的字段，不太好处理。
视频具体效果预览：http://www.polyv.net/about/news/2013/0922/142.html
package com.ibatis.test;
import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;
import java.security.interfaces.RSAKey;
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 java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.aspectj.weaver.patterns.ThisOrTargetAnnotationPointcut;
import ayou.util.DOC;
import com.cc.ovp.domain.PlayProfile;
import com.cc.ovp.domain.PlayerSkin;
import com.cc.ovp.domain.PlayerSkin.Ext;
public class PlayerskinToPlayerprofile {
private static Connection connection;
private static Statement statement;
private static ResultSet resultSet;
private ResultSetMetaData rsMetaData;
////构造函数
public PlayerskinToPlayerprofile(){
String url = "jdbc:mysql://127.0.0.1:3306/xuan?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull";
String username = "root";
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();
}
}
///////////////////////////////
@SuppressWarnings("unchecked")
private static void getTable2() throws IOException
{
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=new Ext();
BufferedWriter bw=new BufferedWriter(new FileWriter("home/qixuan/playerSkinExtToplayProfile.txt"));
int j=0;
while(resultSet.next()){
j++;
//System.out.println("======"+extTo);
try {
String extTo=resultSet.getString("ext");
ext=(PlayerSkin.Ext.fromJSON(extTo));
} catch (Exception e) {
try {
bw.write("userid---"+resultSet.getString("userid"));
bw.newLine();
bw.flush();
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
// TODO Auto-generated catch block
e.printStackTrace();
}
System.out.println(j+"========"+resultSet.getString("playerid")
+"====="+resultSet.getString("userid")
+"===D==="+ext.getWatermark_show()
+"===E==="+ext.getWatermarklocation()
+"===r==="+ext.getWatermark_diaph()
+"===q==="+ext.getWatermarkurl1()
+"===y==="+ext.getWatermarkurl2()
+"===u==="+ext.getWatermarkurl3()
+"===j==="+ext.getAutoplay()
+"===w==="+ext.getDefinition());
//+"==EXT==="+resultSet.getString("ext"));
//System.out.println(j+"=========="+ext.getDisable_host()+"=========="+ext.getEnable_host());
DOC doc3 = new DOC();
String userid3= resultSet.getString("userid");
List<PlayProfile> playProfiles=selectDate2(userid3);
if(playProfiles.size()>0){
//System.out.println("===数据===="+playProfiles.get(0).getExt());
doc3 = com.cc.ovp.util.Ext.parseJson(playProfiles.get(0).getExt());
//doc3.put("definition", "1");
//doc3.put("width", "600");
//doc3.put("autoplay",ext.getAutoplay());
doc3.put("watermarklocation",ext.getWatermarklocation());
doc3.put("watermark_show",ext.getWatermark_show());
doc3.put("watermark_diaph",ext.getWatermark_diaph());
doc3.put("watermarkurl1",ext.getWatermarkurl1());
doc3.put("watermarkurl2",ext.getWatermarkurl2());
doc3.put("watermarkurl3",ext.getWatermarkurl3());
String ext3 = com.cc.ovp.util.Ext.setJson(doc3);
//System.out.println("ext3::::::::::::::"+ext3);
updateDate2(userid3,ext3);//更新数据
}else{
doc3.put("definition", "1");
doc3.put("width", "600");
doc3.put("height", "0");
doc3.put("autoplay","1");
doc3.put("watermarklocation",ext.getWatermarklocation());
doc3.put("watermark_show",ext.getWatermark_show());
doc3.put("watermark_diaph",ext.getWatermark_diaph());
doc3.put("watermarkurl1",ext.getWatermarkurl1());
doc3.put("watermarkurl2",ext.getWatermarkurl2());
doc3.put("watermarkurl3",ext.getWatermarkurl3());
String ext3 = com.cc.ovp.util.Ext.setJson(doc3);
//System.out.println("ext3::::::::::::::"+ext3);
insertDate2(resultSet.getString("userid"),ext3);//插入数据
}
}
bw.close();
resultSet.close();
statement.close();
//connection.close();
}
catch ( SQLException sqlex ) {
sqlex.printStackTrace();
}
}
////查询play_profile表的数据
@SuppressWarnings("unchecked")
public static List<PlayProfile> selectDate2(String userid3) throws SQLException{
//statement=connection.createStatement();
PreparedStatement ps=connection.prepareStatement("select * from play_profile where userid=?");
ps.setString(1,userid3);
ResultSet rs=ps.executeQuery();
List<PlayProfile> list=new ArrayList<PlayProfile>();
while(rs.next()){
PlayProfile playProfile = new PlayProfile();
playProfile.setUserid(rs.getString("userid"));
playProfile.setAutoid(rs.getInt("autoid"));
playProfile.setExt(rs.getString("ext"));
playProfile.setStatus(rs.getInt("status"));
list.add(playProfile);
}
ps.close();
return list;
}
////插入数据
public static void insertDate2(String userid,String ext3) throws SQLException{
PreparedStatement ps=connection.prepareStatement("insert into play_profile(userid,status,ext) values(?,?,?)");
ps.setString(1,userid);
ps.setInt(2, 60);
ps.setString(3, ext3);
ps.executeUpdate();
ps.close();
}
////更新数据
public static void updateDate2(String userid,String ext3) throws SQLException{
PreparedStatement ps=connection.prepareStatement("update play_profile set ext=? where userid=?");
ps.setString(1, ext3);
ps.setString(2, userid);
ps.executeUpdate();
ps.close();
}
public static void main(String[] args) throws IOException{
PlayerskinToPlayerprofile ptp=new PlayerskinToPlayerprofile();
ptp.getTable2();
//System.out.println("程序入口");
}
}///////////
运行效果
这里只给出控制台运行情况：
