我需要格式化从 JDBC 获得的结果集，
有没有我用的现成包，
http://jena.apache.org/documentation/javadoc/arq/com/hp/hpl/jena/query/ResultSetFormatter.html
我在上面的网站上看到了，但不知道如何获取 jar 文件
package mysql.first;
import com.hp.hpl.jena.*;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Date;
public class MySQLAccess {
private Connection connect = null;
private Statement statement = null;
private PreparedStatement preparedStatement = null;
private int dmlresultSet = 0;
private ResultSet ddlresultSet = null;
public static void main(String[] args) throws Exception {
MySQLAccess dao = new MySQLAccess();
//dao.readDataBase();
dao.createtemptable();
}
public void createtemptable() throws Exception{
try
{
// This will load the MySQL driver, each DB has its own driver
Class.forName("com.mysql.jdbc.Driver");
// Setup the connection with the DB
connect = DriverManager
.getConnection("jdbc:mysql://localhost/feedback?"
+ "user=sqluser&password=sqluserpw");
connect.setAutoCommit(false);
// Statements allow to issue SQL queries to the database
statement = connect.createStatement();
// Result set get the result of the SQL query
String sql = "CREATE TEMPORARY TABLE REGISTRATION " +
"(id INTEGER not NULL, " +
" first VARCHAR(255), " +
" last VARCHAR(255) )";
dmlresultSet = statement
.executeUpdate(sql);
ResultSetFormattter.out(dmlresultSet);
System.out.println("Temp table created return code = " + dmlresultSet);
insertRows(1,"TOM","LEO", connect);
selectRows(connect);
insertRows(2,"BRAN","LEY", connect);
selectRows(connect);
updateRows(connect);
selectRows(connect);
insertRows(3,"DI","ROBY", connect);
}
catch (Exception e){
throw e;
} finally{
close();
}
}
private void insertRows(int id, String first, String last, Connection connect) throws SQLException {
preparedStatement = connect
.prepareStatement("insert into REGISTRATION values (?, ?, ?)");
preparedStatement.setString(2, first);
preparedStatement.setString(3, last);
preparedStatement.setInt(1, id);
preparedStatement.executeUpdate();
}
private void selectRows(Connection connect) throws SQLException {
preparedStatement = connect
.prepareStatement("SELECT id, first, last from REGISTRATION");
ddlresultSet = preparedStatement.executeQuery();
writeResultSet(ddlresultSet);
}
private void updateRows(Connection connect) throws SQLException {
preparedStatement = connect
.prepareStatement("Update REGISTRATION set first = 'RENAMED' WHERE ID = 1");
dmlresultSet = preparedStatement.executeUpdate();
}
private void writeResultSet(ResultSet resultSet) throws SQLException {
System.out.println(" ");
System.out.println("***** Printing the Rows *****");
// ResultSet is initially before the first data set
while (resultSet.next()) {
// It is possible to get the columns via name
// also possible to get the columns via the column number
// which starts at 1
// e.g. resultSet.getSTring(2);
int id = resultSet.getInt("id");
String first = resultSet.getString("first");
String last = resultSet.getString("last");
System.out.println("ID: " + id);
System.out.println("First: " + first);
System.out.println("Last: " + last);
}
}
// You need to close the resultSet
private void close() {
try {
if (ddlresultSet != null) {
ddlresultSet.close();
}
if (statement != null) {
statement.close();
}
if (connect != null) {
connect.close();
}
} catch (Exception e) {
}
}
}