需要下載數據庫包
我這里使用的是mysql

package com.jdbc.util;import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLException;import java.sql.PreparedStatement;public class Jdbc {private final static String DRIVER="com.mysql.jdbc.Driver";private final static String URL="jdbc:mysql://localhost:3306/weare";private final static String USER="root";private final static String PWD="root";static {try {Class.forName(DRIVER);} catch (ClassNotFoundException e) {// TODO Auto-generated catch blocke.printStackTrace();}}public static Connection con() {Connection con=null;try {con = DriverManager.getConnection(URL, USER, PWD);} catch (SQLException e) {// TODO Auto-generated catch blocke.printStackTrace();}return con;}public static void close(Connection con,PreparedStatement pstm) {if(pstm!=null) {try {pstm.close();} catch (SQLException e) {// TODO Auto-generated catch blocke.printStackTrace();}}if(con!=null) { try {con.close();} catch (SQLException e) {// TODO Auto-generated catch blocke.printStackTrace();}}} }

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