inside .Handlerand theInterceptor, the source details if I have time to write a blog post to discuss the implementation of the source code, because it is too complex, here does not introduce too much. FindHandlerafter that, it will passHandlerFindHandleradapter, here'sHandlerand theHandleradapterthe difference, according to a few blogs I've looked at, says so.:Handlerbe responsible for finding the class that needs to handle this request.Adapteris responsible for finding out which method in this
org.springframework.web.servlet.FlashMapManager=org.springframework.web.servlet.support.SessionFlashMapManager
From the above configuration, we can see that the DispatcherServlet will automatically register these special beans at startup, so we do not need to register them. If we register these beans, they will not be registered by default.
Therefore, for example, the BeanNameUrlHandlerMapping and SimpleControllerHandlerAdapter in Chapter 2 do not
Advanced This article will provide you with the configuration tips for the Spring MVC framework to help manage multiple instances of a spring-based Web application. This configuration management topic is often overlooked by academics, but this is especially important for real-world web development. This topic does not directly relate to any specific technology, s
Processor 4 processor to get the Modelandview ( The model data and the attempted logical name are returned to the front controller 5 front-end controller to pass the model data to the view and render the View 6 front-end controller to retract control and respond the view to the userIv. Getting Started with Hello world1, the front-end controller configurationAdd the following configuration in Web. xml:Java code
class>org.springframework.web.servlet.dispatcherservlet class>
"Spring MVC class Diagram""Spring Combat" in:"Spring3.0 is so Simple" in:"Http://blog.csdn.net/gstormspire/article/details/8239182"==========================================================================Spring MVC performs better in high concurrency and has very little int
routing function is complete ...
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The first thing to be sure is, what does that mean? Spring MVC is a follow-on product of Springframework and has been incorporated into spring Web flow while spring MVC separates the controller, model object, Dispatcher ( Actually I don't know what this is) and the role of t
This article summarizes the basic configuration of spring MVC by first pasting a screenshot of my project's catalog, with some extra files that you don't have to care about:
Some of the jar bags used in this:
Next is the configuration of Web. XML:
Next is Springmvc-servlet.xml:
These are the most basic configurations of spring
auto-generated Method Stub
SYSTEM.OUT.PRINTLN (Exception + "-=-=--=--=-=-=-=-=-=-=-=-==-=--=-=-=-=");
}
}
Second, the definition of the Interceptor class added to the SPRINGMVC interception system1. Add the Schemaxml code that supports MVC in the SPRINGMVC configuration file
Xmlns:mvc= "Http://www.springframework.org/schema/mvc"
Xsi:schemalocation= "Http://www.springframework.org/sch
Spring MVC, also known as Spring Web MVC, is a mainstream web MVC framework, similar to the STRUTS2 framework, whose main purpose is to build a full-featured MVC module for WEB applications that maps between the view layer and the
As a Java Web application developer, you have quickly learned the request (HttpServletRequest) and session (HttpSession) scopes. When designing and building Java WEB applications, it is important to understand these scopes and how to interact with objects and those scopes.SPRING MVC ScopeWhen I started writing Web apps with spring MVC, I found that
somewhat different from 3.x, and this example focuses on the development of the 3.x version.Toggle Configuration:B. Render View--After the above controller to call the corresponding business layer, and then to the results of processing to inform the user, we need to render the view, so that the client can be displayed!The code configured in the Wwo-servlet.xml file is as follows:The above is the configuration method of my usual rendering view, but wh
frame Works, logging frameworks, JEE, Quartz and JDK timers, other view technologies. Testing an application written with Spring are simple because environment-dependent code are moved into the this framework. Furthermore, by using the Javabean-style POJOs, it becomes easier to use dependency injection for injecting test data. Spring ' s web Framework is a well-designed web
easier for people to understand.
But this is exactly the root cause of spring's MVC! Because its configuration is the configuration of spring's core IOC container, which means that all the power of the IOC container can be shown here, and we can expand and enhance spring MVC as we like, and we can do it in other MVC
the message body itself is a JSON.This way, spring will do the processing when it receives the JSON and convert it to an object. This is not the time to use Request.getparameters to obtain this request information.See requests and responses from Jemeter:
Post Http://localhost:8060/tstbody
Post data:
{' OpenID ': ' JMeter ', ' sign ': ' Sign '}
[no cookies]
Request Headers:
connection:keep-alive
content-type:application/json
:
content-length:33
ho
Spring MVC environment construction and basic operations
Spring MVC is a follow-up product of SpringFrameWork and has been integrated into Spring Web Flow. The Spring framework provides a full-featured
view, it can be just a string type, represents the view name, or even void (when spring MVC can find the default view based on the method name or the controller name). There's no need to worry that the return value is just the view name, and the view doesn't get the data you want to display. Because the method parameters are also available for the view. For example
-define the location of the JSP file - Beanclass= "Org.springframework.web.servlet.view.InternalResourceViewResolver"> Propertyname= "prefix"value= "/web-inf/views/"/> Propertyname= "suffix"value= ". jsp"/> Propertyname= "Viewnames">Array>valuetype= "Java.lang.String">login*value>Array> Property> Bean>If you have multiple file paths (for example: webapp/), you can define multiple resolver, configure different viewnames
Now the mainstream web MVC framework, in addition to struts this main force, followed by spring MVC, so this is a programmer need to master the mainstream framework, the framework is more choice, to deal with the changing needs and business, the implementation of the program is more natural. However, to flexibly use spring
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