经常使用的JDBC连接数据库方式

一、jdbc连接db2

class.forname("com.ibm.db2.jdbc.net.db2driver");
string url="jdbc:db2://dburl:port/dbname"
cn = drivermanager.getconnection( url, susr, spwd );

二、jdbc连接microsoft sqlserver(microsoft)

class.forname( "com.microsoft.jdbc.sqlserver.sqlserverdriver" );
cn = drivermanager.getconnection( "jdbc:microsoft:sqlserver://dbserverip:1433;databasename=master", susr, spwd );

三、jdbc连接sybase(jconn2.jar)

class.forname( "com.sybase.jdbc2.jdbc.sybdriver" );
cn = drivermanager.getconnection( "jdbc:sybase:tds:dbserverip:2638", susr, spwd );

四、jdbc连接mysql(mm.mysql-3.0.2-bin.jar)

class.forname( "org.gjt.mm.mysql.driver" );
cn = drivermanager.getconnection( "jdbc:mysql://dbserverip:3306/mydatabasename", susr, spwd );

五、jdbc连接postgresql(pgjdbc2.jar)

class.forname( "org.postgresql.driver" );
cn = drivermanager.getconnection( "jdbc:postgresql://dbserverip/mydatabasename", susr, spwd );

六、jdbc连接oracle(classes12.jar)

class.forname( "oracle.jdbc.driver.oracledriver" );
cn = drivermanager.getconnection( "jdbc:oracle:thin:@mydbcomputernameorip:1521:orcl", susr, spwd );

七、jdbc连接odbc

class.forname( "sun.jdbc.odbc.jdbcodbcdriver" );
connection cn = drivermanager.getconnection( "jdbc:odbc:" + sdsn, susr, spwd );

有些数据库的jdbc连接方法并不是固定的，要看你用的驱动包。
例如mssql的jtdsjar包：
数据库url：jdbc:jtds:sqlserver://localhost:1433;databasename=xxx
驱动类：net.sourceforge.jtds.jdbc.driver

1、oracle8/8i/9i数据库（thin模式）

class.forname("oracle.jdbc.driver.oracledriver").newinstance();
string url="jdbc:oracle:thin:@localhost:1521:orcl"; //orcl为数据库的sid
string user="test";
string password="test";
connection conn= drivermanager.getconnection(url,user,password);

2、db2数据库

class.forname("com.ibm.db2.jdbc.app.db2driver ").newinstance();
string url="jdbc:db2://localhost:5000/sample"; //sample为你的数据库名
string user="admin";
string password="";
connection conn= drivermanager.getconnection(url,user,password);

3、sql server7.0/2000数据库

class.forname("com.microsoft.jdbc.sqlserver.sqlserverdriver").newinstance();
string url="jdbc:microsoft:sqlserver://localhost:1433;databasename=mydb";
//mydb为数据库
string user="sa";
string password="";
connection conn= drivermanager.getconnection(url,user,password);

4、sybase数据库

class.forname("com.sybase.jdbc.sybdriver").newinstance();
string url =" jdbc:sybase:tds:localhost:5007/mydb";//mydb为你的数据库名
properties sysprops = system.getproperties();
sysprops.put("user","userid");
sysprops.put("password","user_password");
connection conn= drivermanager.getconnection(url, sysprops);

5、informix数据库

class.forname("com.informix.jdbc.ifxdriver").newinstance();
string url = "jdbc:informix-sqli://123.45.67.89:1533/mydb:informixserver=myserver;
user=testuser;password=testpassword"; //mydb为数据库名
connection conn= drivermanager.getconnection(url);

6、mysql数据库

class.forname("org.gjt.mm.mysql.driver").newinstance(); //或者class.forname("com.mysql.jdbc.driver");
string url ="jdbc:mysql://localhost/mydb?user=soft&password=soft1234&useunicode=true&characterencoding=8859_1"
//mydb为数据库名
connection conn= drivermanager.getconnection(url);

7、postgresql数据库

class.forname("org.postgresql.driver").newinstance();
string url ="jdbc:postgresql://localhost/mydb" //mydb为数据库名
string user="myuser";
string password="mypassword";
connection conn= drivermanager.getconnection(url,user,password);

8、access数据库直连用odbc的

class.forname("sun.jdbc.odbc.jdbcodbcdriver") ;
string url="jdbc:odbc:driver={microsoft access driver (*.mdb)};dbq="+application.getrealpath("/data/reportdemo.mdb");
connection conn = drivermanager.getconnection(url,"","");