Proxy mode provides a Proxy for an object, and the Proxy object controls the reference to the original object.
Proxy mode is called Proxy or Surrogate in English and can be translated into "Proxy" in Chinese ". The so-called
has been on the reverse of reflection agent do not know how to understand, after Baidu know, combined with the following this picture, finally make clear a little. Simply say from a LAN to the server to the positive, from the client to enter a LAN for the reverseConcept:The reverse proxy method refers to a proxy server that accepts connection requests on the Internet, then forwards the request to a server o
PHP checks whether the client uses the proxy server and its anonymous level. PHP checks whether the client uses the proxy server and its anonymous level. The php proxy server must determine whether the client uses the proxy server, you can use PHP to check whether the client uses the
Document directory
1.1 Apache configuration httpd-vhosts.conf (in Windows as an example)
1.2 browser settings (taking Firefox as an example)
1.3 access results
2.1 Apache settings
2.2 browser access Effect
1. Forward proxy
Configuring the forward proxy is simple. You only need to add the vhost configured by Apache to the proxy option of the browser.
1.1 Ap
Let's talk about JAVA's proxy mode. I. Let's talk about java's proxy mode.I. intermediary isolation
Proxy mode: The first time I came into contact with it, I read a book called "big talk design mode" when I was studying. Net. It has been almost three years since. I believe that all the students who have read this book remember the agency model in the book, which
Proxy mode and JDK dynamic proxy
1. Proxy Mode
In the proxy mode, the active part is the proxy, and the actual officer is the proxy object, that is, the active part is not the same as the active part.
Here we will take the classic
To understand the dynamic proxy, you need to answer the following questions:
What is dynamic proxy? How?
What is the role of dynamic proxy? Configurable transactions, permission control, logs, and so on .... You can't do it without dynamic proxies.
To answer the above three questions:
Let's startStatic proxy:
Method:
I. ProxyCall a class (delegate class, the class that actually completes the work) method to another class (proxy class, which can be statically or dynamically generated. If the delegate class and proxy class implement the same interface, the proxy can be conveniently completed.Ii. Static proxyBefore running the program, the relationship between the
1. Standard Proxy Cache)A standard proxy cache is usually used to store static web pages (HTML, image) on a machine on the local network ). When this page is requested again, the browser will directly obtain it from the local proxy cache instead of from the source web server. The browser is explicitly configured to use the pr
The difference between forward proxy and direction proxy. Difference between the forward proxy and the direction proxy and the use of the role played in the request client proxy server content server forward proxy needs to set a
When it comes to proxy servers, most people should be more familiar with it. Remember when in school because the campus network can not access foreign sites, so often use agents to visit foreign sites. However, referring to the reverse proxy server may be more unfamiliar to most people, the general proxy server and the reverse
JDK dynamic proxy ProxyGenerator generates the byte code file parsing of the proxy class, And JDK ProxyGenerator
Through the previous analysis, we know that the Proxy class is generated through the ProxyClassFactory factory of the Proxy class. This factory class will call the generateProxyClass () method of the ProxyGe
The proxy server stands for proxy server. Its function is to obtain network information from the proxy network user. It is a transfer station for network information. In general, when we use a web browser to directly connect to other Internet sites to obtain network information, we must send a request signal to obtain the answer, and then the other Party sends th
Spring notes (3) -- proxy mode, spring notes -- proxy
Static Proxy: Custom proxy class;
Dynamic Proxy: The program is generated at runtime.
I. Static Proxy:
Interface: UserManager: adds, deletes, modifies, and queries a user.
1 pa
Introduce spring AOP before introducing three common proxy methods: Static agent, dynamic agent, Cglib agentAgent Overview:Proxy is a design pattern that provides additional access to the target object, which is accessed through the proxy. The benefit is that additional functionality can be enhanced based on the target object implementation. (extends the capabilities of the target object).Example: Star (Den
Original article: http://www.2cto.com/kf/201109/103285.html
Today is okay. Let's review the previous knowledge and find it online. I found that one article is suitable.Summary: JDK's dynamic proxy is actually a combination of reflection and dynamic bytecode generated during execution; for Spring AOP, JDK dynamic proxy is also used (cglib is also used ).The following blogs are from the Internet:I. Related
here is simply a brief introduction to the use of the most basic agents.
Agent, Popular Point said: is a person or an organization on behalf of another person or another agency to take action.
In some cases, a customer does not want to or cannot refer directly to an object, and the proxy object can be
End and target objects before they act as intermediaries.The proxy mode provides a
Design Mode note Proxy mode Proxy
// Proxy mode ----- object structure mode
/*
1: Intention:
Provides a proxy for other objects to control access to this object.
2: alias:
Surrogate
3: motivation:
4: Applicability:
1> remote proxy:
Provides a local representation of an obj
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