ÈçºÎʹÓÃProxyģʽ¼°JavaÄÚ½¨µÄ¶¯Ì¬´úÀí»úÖÆ
1.Proxy
ģʽ
´úÀíģʽ֧³Ö½«Ä³Ð©²Ù×÷´Óʵ¼ÊµÄ¶ÔÏóÖзÖÀë³öÀ´£¬Í¨¹ýËüµÄ´úÀíÀàÌṩ´¦Àí¡£ÕâÑù±ãÓÚÐ޸ĺ͹ÜÀíÕâÐ©ÌØ¶¨µÄ²Ù×÷¡£
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<<interface>>Subject.java
package
com.zj.proxy;
public
interface
Subject {
void
operation1();
void
operation2(String arg);
}
ÏÖʵÀà
RealSubject.java
package
com.zj.proxy;
public
class
RealSubject
implements
Subject {
public
void
operation1() {
System.
out
.println(
"Realer do operation1"
);
}
public
void
operation2(String arg) {
System.
out
.println(
"Realer do operation2 with "
+ arg);
}
}
´úÀíÀà
ProxySubject.java
package
com.zj.proxy;
public
class
ProxySubject
implements
Subject {
private
Subject
proxied
;
//
±»´úÀí¶ÔÏó
public
ProxySubject(Subject
proxied) {
this
.
proxied
= proxied;
}
public
void
operation1() {
System.
out
.println(
"Proxyer do operation1"
);
proxied
.operation1();
}
public
void
operation2(String arg) {
System.
out
.println(
"Proxyer do operation2 with "
+ arg);
proxied
.operation2(arg);
}
}
²âÊÔÀà
SimpleProxyDemo.java
package
com.zj.proxy.client;
import
com.zj.proxy.Subject;
import
com.zj.proxy.RealSubject;
import
com.zj.proxy.ProxySubject;
public
class
SimpleProx
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