jdbc 链接

/**
 * output package name
 */
package com.kingdee.eas.hse.common;

import java.util.Map;
import java.util.List;
import java.util.Iterator;
import com.kingdee.util.enums.IntEnum;

/**
 * output class name
 */
public class DataCenterTypeEnum extends IntEnum
{
    public static final int ORACLE_VALUE = 1;//alias=oracle
    public static final int SQLSERVE_VALUE = 2;//alias=sqlserve
    public static final int MYSQL_VALUE = 3;//alias=mysql

    public static final DataCenterTypeEnum oracle = new DataCenterTypeEnum("oracle", ORACLE_VALUE);
    public static final DataCenterTypeEnum sqlserve = new DataCenterTypeEnum("sqlserve", SQLSERVE_VALUE);
    public static final DataCenterTypeEnum mysql = new DataCenterTypeEnum("mysql", MYSQL_VALUE);

    /**
     * construct function
     * @param integer dataCenterTypeEnum
     */
    private DataCenterTypeEnum(String name, int dataCenterTypeEnum)
    {
        super(name, dataCenterTypeEnum);
    }
    
    /**
     * getEnum function
     * @param String arguments
     */
    public static DataCenterTypeEnum getEnum(String dataCenterTypeEnum)
    {
        return (DataCenterTypeEnum)getEnum(DataCenterTypeEnum.class, dataCenterTypeEnum);
    }

    /**
     * getEnum function
     * @param String arguments
     */
    public static DataCenterTypeEnum getEnum(int dataCenterTypeEnum)
    {
        return (DataCenterTypeEnum)getEnum(DataCenterTypeEnum.class, dataCenterTypeEnum);
    }

    /**
     * getEnumMap function
     */
    public static Map getEnumMap()
    {
        return getEnumMap(DataCenterTypeEnum.class);
    }

    /**
     * getEnumList function
     */
    public static List getEnumList()
    {
         return getEnumList(DataCenterTypeEnum.class);
    }
    
    /**
     * getIterator function
     */
    public static Iterator iterator()
    {
         return iterator(DataCenterTypeEnum.class);
    }
}

package com.kingdee.eas.hse.common.client;

import com.kingdee.eas.hse.common.DataCenterTypeEnum;
import com.kingdee.eas.rptclient.newrpt.util.MsgBox;
import com.kingdee.eas.util.SysUtil;
import java.sql.Connection;
import java.sql.DriverManager;

public class DataCenterUtils
{
  public static Connection getConnect(String host, String port, String dataBaseName, String user, String password, DataCenterTypeEnum dataBaseType)
    throws Exception
  {
    Connection conn = null;
    String url = "";

    if (dataBaseType.equals(DataCenterTypeEnum.oracle)) {
      Class.forName("oracle.jdbc.driver.OracleDriver").newInstance();
      url = "jdbc:oracle:thin:@" + host + ":" + port + ":" + dataBaseName;
      conn = DriverManager.getConnection(url, user, password);
    }

    if (dataBaseType.equals(DataCenterTypeEnum.sqlserve))
    {
      Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");
      url = "jdbc:microsoft:sqlserver://" + host + ":" + port + 
        ";DatabaseName=" + dataBaseName;
      conn = DriverManager.getConnection(url, user, password);
    }

    if (dataBaseType.equals(DataCenterTypeEnum.mysql)) {
      Class.forName("org.gjt.mm.mysql.Driver").newInstance();
      url = "jdbc:mysql://" + host + "/myDB?user=" + user + "&password=" + 
        password + "&useUnicode=true&characterEncoding=8859_1";
      conn = DriverManager.getConnection(url);
    }

    if (conn == null) {
      MsgBox.showError("错误", "数据库连接错误");
      SysUtil.abort();
    }
    return conn;
  }
}