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ʹÓÃjar°ü:
commons-pool-1.5.3.jar,tomcat-naming-common.jar,commons-pool-1.5.3-bin.zip,commons-dbcp.jar
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package test.comm;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.Hashtable;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.sql.DataSource;
import org.apache.commons.dbcp.BasicDataSource;
public class DBConnector {
static private InitialContext ic = null;
static private DataSource ds = null;
static private void initContext(){
try {
BasicDataSource bds = new BasicDataSource();
bds.setUrl("jdbc:oracle:thin:@localhost:1521:test");
bds.setDriverClassName("oracle.jdbc.OracleDriver");
bds.setUsername("test");
bds.setPassword("a");
Hashtable<String, String> evn = new Hashtable<String,String>();
evn.put("java.naming.factory.initial","org.apache.naming.java.javaURLContextFactory");
ic = new InitialContext(evn);
ic.bind("mydatasource", bds);
ds = (DataSource) ic.lookup("mydatasource");
} catch (NamingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
static public Connection getConn() throws SQLException{
if (ds == null){
initContext();
}
return ds.getConnection();
}
}
²âÊÔ:
package test;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import test.comm.DBConnector;
public class wfTest {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
try {
Connection conn = DBConnector.getConn();
System.out.println("conn = "+conn);
String qSQL = "SELECT USERNAME,LOGINID from S_U_USER";
Statement stmt = conn.createStatement();
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Here is a simple library to query Google Maps with the following features:
geocode addresses to their geographic coordinates
retrieve static images with given custom size, format and zoom
To see a live sample of this API, you can check here: Java ME Google Maps API sample MIDlet
Contents
[h ......