標籤:style blog color io os ar java for 資料
package SQL;import java.sql.Connection;import java.sql.DriverManager;import java.sql.ResultSet;import java.sql.SQLException;import java.sql.Statement;public class JDBCTest { public static String Driver="com.mysql.jdbc.Driver"; public static String url="jdbc:mysql://127.0.0.1:3306/test"; public static String user="root"; public static String password="333"; public static void main(String[] args) { Connection con; Statement statement; ResultSet rs; try { //載入驅動 Class.forName(Driver); //串連資料庫 con=DriverManager.getConnection(url, user, password); if(!con.isClosed()) System.out.println("connect successed"); statement=con.createStatement(); String sql="select * from tmp"; rs=statement.executeQuery(sql); while(rs.next()) { String rq=rs.getString("rq"); System.out.println("rq="+rq); } rs.close(); con.close(); } catch (ClassNotFoundException e) { System.out.println("驅動載入失敗"); e.printStackTrace(); }catch(SQLException e){ System.out.println("sql執行失敗"); e.printStackTrace(); }catch(Exception e){ }finally{ } }}
java mysql純驅動串連