import java.sql.*;
public class TestJDBC {
public static void main(String[] args) {
ResultSet rs = null;
Statement stmt = null;
Connection conn = null;
try {
String URL = "jdbc:mysql://127.0.0.1:3306/multi";
String user = "root";
String password = "123";
Class.forName("com.mysql.jdbc.Driver");
conn = DriverManager.getConnection(URL, user, password);
stmt = conn.createStatement();
rs = stmt.executeQuery("SELECT Rbh,Rgly,Rlx,Rbz FROM RJBB");
while (rs.next()) {
System.out.print(rs.getString("Rbh"));
System.out.print(rs.getString("Rgly") + " ");
System.out.print(rs.getString("Rlx") + " ");
System.out.print(rs.getString("Rbz") + " ");
System.out.print("\n");
}
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (SQLException e) {
e.printStackTrace();
} finally {
try {
if (rs != null) {
rs.close();
rs = null;
}
if (stmt != null) {
stmt.close();
stmt = null;
}
if (conn != null) {
conn.close();
conn = null;
}
} catch (SQLException e) {
e.printStackTrace();
}
}
}
}