ResultSet光标移动控制

package test;

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

import common.DbUtils;

public class ScrollResultSertTest {

public static void main(String[] args) {
testPage(1,8);
}
public static void testPage(int pageNo,int PageSize){
Connection conn=null;
PreparedStatement pstmt=null;
ResultSet rs=null;

String url="jdbc:mysql://localhost:3306/test";
String user="root";
String password="root";
String sql="select * from employee";
try {
Class.forName("com.mysql.jdbc.Driver");
conn=DriverManager.getConnection(url, user, password);
pstmt=conn.prepareStatement(sql,ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_READ_ONLY);
rs=pstmt.executeQuery();
rs.absolute(-1);//光标移到最后一行
System.out.println("总共"+rs.getRow());
//firstResult从哪一条记录开始;maxResults总共取多少条记录

int start=(pageNo-1)*PageSize;
if(start==0){
rs.beforeFirst();
}else{
rs.absolute(start);
}
for(int i=0;rs.relative(1)&&i<PageSize;i++){//相对移动到下一行
System.out.println(rs.getInt(1));
}
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}finally{
DbUtils.close(rs, pstmt, conn);
}
}

}