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Java數(shù)據(jù)庫連接代碼

時(shí)間:2025-12-18 13:30:30 java語言

Java數(shù)據(jù)庫連接代碼集合

  Java數(shù)據(jù)庫連接接口(JDBC)是Java里定義的一套用于數(shù)據(jù)庫連接和操作的API的集合。下面一起跟著小編深入了解一下吧!

  有不同的數(shù)據(jù)庫廠商提供這套接口的實(shí)現(xiàn)類,對(duì)于Java程序員來說,程序員不需要關(guān)心數(shù)據(jù)庫的底層的實(shí)現(xiàn),統(tǒng)一的調(diào)用JDBC里面的抽象出來的API來完成數(shù)據(jù)庫的訪問功能,在Data access的功能和接口定義中,Java是在別的語言對(duì)數(shù)據(jù)庫的URL的描述,其他的一切也就是通過統(tǒng)一的調(diào)用來實(shí)現(xiàn)了,本文章手機(jī)了主要的數(shù)據(jù)庫廠商提供的Driver和URL,以便大家方便的對(duì)各種數(shù)據(jù)庫進(jìn)行連接的操作。

  JDBC里統(tǒng)一的使用方法:

  Class.for(jdbcDriverName);

  Connection conn=DriverManager.getConnection(url,user,password);

  這里的接口是統(tǒng)一的,不同的是每種數(shù)據(jù)庫提供的jdbcDriver和URL不同。

  MySQL:

  String Driver="com.mysql.jdbc.Driver"; /pic/p>

  String URL="jdbc:mysql:/pic/db_name"; /pic/p>

  String Username="username"; /pic/p>

  String Password="password"; /pic/p>

  Class.forName(Driver).new Instance();

  Connection con=DriverManager.getConnection(URL,Username,Password);

  Microsoft SQL Server 2.0驅(qū)動(dòng)(3個(gè)jar的那個(gè)):

  String Driver="com.microsoft.jdbc.sqlserver.SQLServerDriver"; /pic/p>

  String URL="jdbc:microsoft:sqlserver:/pic/pic/p>

  String Username="username"; /pic/p>

  String Password="password"; /pic/p>

  Class.forName(Driver).new Instance(); /pic/p>

  Connection con=DriverManager.getConnection(URL,UserName,Password); /pic/p>

  Microsoft SQL Server 3.0驅(qū)動(dòng)(1個(gè)jar的那個(gè)):/pic/p>

  String Driver="com.microsoft.sqlserver.jdbc.SQLServerDriver"; /pic/p>

  String URL="jdbc:microsoft:sqlserver:/pic/pic/p>

  String Username="username"; /pic/p>

  String Password="password"; /pic/p>

  Class.forName(Driver).new Instance(); /pic/p>

  Connection con=DriverManager.getConnection(URL,UserName,Password); /pic/p>

  Sysbase:

  String Driver="com.sybase.jdbc.SybDriver"; /pic/p>

  String URL="jdbc:Sysbase:/pic/db_name"; /pic/p>

  String Username="username"; /pic/p>

  String Password="password"; /pic/p>

  Class.forName(Driver).newInstance();

  Connection con=DriverManager.getConnection(URL,Username,Password);

  Oracle(用thin模式):

  String Driver="oracle.jdbc.driver.OracleDriver"; /pic/p>

  String URL="jdbc:oracle:thin:@loaclhost:1521:orcl"; /pic/p>

  String Username="username"; /pic/p>

  String Password="password"; /pic/p>

  Class.forName(Driver).newInstance(); /pic/p>

  Connection con=DriverManager.getConnection(URL,Username,Password);

  PostgreSQL:

  String Driver="org.postgresql.Driver"; /pic/p>

  String URL="jdbc:postgresql:/pic/db_name"; /pic/p>

  String Username="username"; /pic/p>

  String Password="password"; /pic/p>

  Class.forName(Driver).newInstance();

  Connection con=DriverManager.getConnection(URL,Username,Password);

  DB2:

  String Driver="com.ibm.db2.jdbc.app.DB2.Driver"; /pic/p>

  /pic/pic/p>

  String URL="jdbc:db2:/pic/db_name"; /pic/p>

  String Username="username"; /pic/p>

  String Password="password"; /pic/p>

  Class.forName(Driver).newInstance();

  Connection con=DriverManager.getConnection(URL,Username,Password);

  Informix:

  String Driver="com.informix.jdbc.IfxDriver";

  String URL="jdbc:Informix-sqli:/pic/db_name:INFORMIXSER=myserver"; /pic/p>

  String Username="username"; /pic/p>

  String Password="password"; /pic/p>

  Class.forName(Driver).newInstance();

  Connection con=DriverManager.getConnection(URL,Username,Password);

  JDBC-ODBC:

  String Driver="sun.jdbc.odbc.JdbcOdbcDriver";

  String URL="jdbc:odbc:dbsource"; /pic/p>

  String Username="username"; /pic/p>

  String Password="password"; /pic/p>

  Class.forName(Driver).newInstance();

  Connection con=DriverManager.getConnection(URL,Username,Password);

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