《Head First设计模式》阅读笔记.第十一章

臧圩人

/**
* 测试类
*
* @author zangweiren 2010-4-8
*
*/
public class TestUserManager {

        public static void main(String[] args) {
                UserManager manager = new UserManagerImpl();
                UserManager admin = UserManagerUtils.getAdminProxy(manager);
                admin.addUser("Jim");
                HashMap<String, String> properties = new HashMap<String, String>();
                properties.put("Gender", "male");
                properties.put("Age", "28");
                admin.updateUser("Jim", properties);
                admin.deleteUser("Jim");
                System.out.println();

                UserManager user = UserManagerUtils.getUserProxy(manager);
                try {
                        user.addUser("Lily");
                } catch (Exception e) {
                        System.out.println("Can't add User!");
                }
                properties = new HashMap<String, String>();
                properties.put("Gender", "female");
                properties.put("Age", "26");
                user.updateUser("Lily", properties);
                try {
                        user.deleteUser("Lily");
                } catch (Exception e) {
                        System.out.println("Can't delete User!");
                }
        }

}

臧圩人

测试结果：
User:Jim has been added.
User:Jimhas been updated.
Properties:
Age=28
Gender=male
--------------
User:Jimhas been deleted.

Can't add User!
User:Lilyhas been updated.
Properties:
Age=26
Gender=female
--------------
Can't delete User!

臧圩人

Over！

臧圩人

有点长，代理模式的变种很多，应用场景很多，模式本身不复杂，但是功能却很强大。

asangel

nice

justforregister

nice job