connectionparam.java

一个连接池源码,非常好用!创建一个cf,然后cf.getconn()就可以得到空闲连接,可以设置最大最小连接数

package PUB; import java.io.Serializable; /** 
* @author youyongming 
* 实现数据库连接的参数类 
*/ 
public class ConnectionParam implements Serializable { 
private String driver; //数 据库驱动程序 
private String url; //数 据连接的URL 
private String user; //数 据库用户名 
private String password; //数 据库密码 

/** 
* 唯一的构造函数，需要指定连接的四个必要参数 
* @param driver 数据驱动 
* @param url 数据库连接url 
* @param user 用户名 
* @param password 密码 
*/ 
public ConnectionParam(String driver,String url,String user,String password) 
{ 
this.driver = driver; 
this.url = url; 
this.user = user; 
this.password = password; 
} public String getDriver() { 
return driver; 
} public String getPassword() { 
return password; 
} public String getUrl() { 
return url; 
} public String getUser() { 
return user; 
} public void setDriver(String driver) { 
this.driver = driver; 
} public void setPassword(String password) { 
this.password = password; 
} public void setUrl(String url) { 
this.url = url; 
} public void setUser(String user) { 
this.user = user; 
} /** 
* @see java.lang.Object#clone() 
*/ 
public Object clone(){ 
ConnectionParam param = new ConnectionParam(driver,url,user,password); 
return param; 
} /** 
* @see java.lang.Object#equals(java.lang.Object) 
*/ 
public boolean equals(Object obj) { 
if(obj instanceof ConnectionParam){ 
ConnectionParam param = (ConnectionParam)obj; 
return ((driver.compareToIgnoreCase(param.getDriver()) == 0)&& 
(url.compareToIgnoreCase(param.getUrl()) == 0)&& 
(user.compareToIgnoreCase(param.getUser()) == 0)&& 
(password.compareToIgnoreCase(param.getPassword()) == 0)); 
} 
return false; 
} 
}