一般用匿名内部类实现callback public interface YourInterface { public void interfaceMethod();} public class YourClass{ public void classMethod(YourInterface yInterface) { ...... yInterface.interfaceMethod(); ...... }
public static void main(String[] args) { YourClass yClass = new YourClass(); yClass.classMethod(new YourInterface() { public void interfaceMethod() { //do sth System.out.print("hello world."); ....... } }); }
public interface YourInterface { public void interfaceMethod();}
public class YourClass{ public void classMethod(YourInterface yInterface)
{
......
yInterface.interfaceMethod();
......
}
public static void main(String[] args)
{
YourClass yClass = new YourClass(); yClass.classMethod(new YourInterface()
{
public void interfaceMethod()
{
//do sth
System.out.print("hello world.");
.......
}
});
}
容器服务器都集成了数据库认证、LDAP认证、文件认证……这样的常见认证方式,甚至包括你的密码是使用明文、MD5、DES、BASE64...这样的格式都是可以支持的。在页面中用j_security_check就可以完成对用户访问权限的验证,当然,还要编写一个用于绑定用户组和权限的xml文件