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在串連之前先要匯入mysql-connector-java-5.1.21-bin.jar
1 package com.student.dbc ; 2 import java.sql.* ; 3 public class DatabaseConnection { 4 private static final String DBDRIVER = "org.gjt.mm.mysql.Driver" ;//mysql驅動 5 private static final String DBURL = "jdbc:mysql://localhost:3306/java_web?useUnicode=true&characterEncoding=UTF-8" ;//資料庫地址 6 private static final String DBUSER = "root" ;//資料庫使用者名稱 7 private static final String DBPASSWORD = "root" ;//資料庫密碼 8 private Connection conn = null ; 9 public DatabaseConnection() throws Exception{10 try{11 Class.forName(DBDRIVER) ;12 this.conn = DriverManager.getConnection(DBURL,DBUSER,DBPASSWORD) ;13 }catch(Exception e){14 throw e ;15 }16 }17 public Connection getConnection(){18 return this.conn ;19 }20 public void close() throws Exception{21 if(this.conn != null){22 try{23 this.conn.close() ;24 }catch(Exception e){25 throw e ;26 }27 }28 }29 }
java串連mysql資料庫