Java數(shù)據(jù)庫(kù)連接代碼集合
Java數(shù)據(jù)庫(kù)連接接口(JDBC)是Java里定義的一套用于數(shù)據(jù)庫(kù)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(kù)廠商提供這套接口的實(shí)現(xiàn)類(lèi),對(duì)于Java程序員來(lái)說(shuō),程序員不需要關(guān)心數(shù)據(jù)庫(kù)的底層的實(shí)現(xiàn),統(tǒng)一的調(diào)用JDBC里面的抽象出來(lái)的API來(lái)完成數(shù)據(jù)庫(kù)的訪問(wèn)功能,在Data access的功能和接口定義中,Java是在別的語(yǔ)言對(duì)數(shù)據(jù)庫(kù)的URL的描述,其他的一切也就是通過(guò)統(tǒng)一的調(diào)用來(lái)實(shí)現(xiàn)了,本文章手機(jī)了主要的數(shù)據(jù)庫(kù)廠商提供的Driver和URL,以便大家方便的對(duì)各種數(shù)據(jù)庫(kù)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(kù)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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