spring mvc interceptor annotation example

I use the test for JUNIT4How annotation scanning is used in Spring-servlet.xmlXML version= "1.0" encoding= "UTF-8"?>Beansxmlns= "Http://www.springframework.org/schema/beans"Xmlns:mvc= "Http://www.springframework.org/schema/mvc"Xmlns:xsi= "Http://www.w3.org/2001/XMLSchema-instance"xmlns:p= "http://www.springframework.org/schema/p"Xmlns:tx= "Http://www.springframew

Spring MVC reads the configuration content of. properties through the @ Value annotation, @ value. properties Step 1: Configure in applicationContext. xml: 1 Step 2: Create a configuration file: Example: userPageSize = 5 Step 3: Use annotations in the Controller to obtain the configuration item content: 1 @Value(

' info:frameworkservlet ' dispatcher ': initializationstartedmapped URL Path [/**] onto handler of type [classOrg.springframework.web.servlet.resource.defaultservlethttprequesthandler]info:frameworkservlet ' Dispatcher ': Initialization completed in 843 MSNext, replace the Spring-mvc.xml, in which we can use the interface provided by spring to complete the configuration of all controller registrations and

2.1 QuestionsUse annotations to refactor HelloWorld application cases.2.2 Solutions1. @RequestMapping Annotation Application@RequestMapping can be used on class definitions and method definitions, which indicate which client request the class or method corresponds to. The instance code is as follows:@RequestMapping ("/day01")publicclass hellocontroller { @RequestMapping (" /hello.form ") publicthrows Exception { return " Hello " ; }}

There are many annotations for spring. Today we will introduce the following commonly used annotations for spring mvc. @ Controller registers a bean to the spring context. The bean ID starts with a class name in lowercase by default. You can also specify it by yourself. method 1 is as follows: @ Controller public class

One, Spring MVC annotation TypesAdvantages:1. A single controller can handle multiple actions. (and a controller that implements the controllers class can handle only one action).2. Request mappings are not stored in the configuration file, and a method can be requested for processing using requestmapping annotations. Controller

I hard to force students a piece, will soon graduate, faced with looking for work, really do not want to leave school. Under the guidance of teachers to learn spring MVC, the configuration file is really cumbersome, so on-line Baidu Learning Spring MVC full annotated way to complete the assembly work of

This article is only based on the spring MVC Framework and does not integrate other components such as hibernate. The spring version is the spring-framework-3.2.2.RELEASE-dist. First, copy the required package to the Lib folder. For simplicity, copy all the packages in the libs file in spring3.2.2, but add other requir

SPRING-MVC Object Encapsulation JSON returns when deleting attributes in Object annotation method In the class name, followed by verbal annotations used in@JsonIgnoreProperties (value={"Comid"})//properties that you want to dynamically filter outCases@JsonIgnoreProperties (value={"Comid"})Public interface Interface Name {}@JsonIgnoreProperties (value={"Comid"})pu

@Valid Spring MVC is a hibernate-validate, the first step must be the guide package, it ignores Validation annotations that can be used @NotNull value cannot be empty @Null value must be empty @Pattern (regex=) string must match regular expression @Size (min=,max=) The number of elements in the collection must be between Min and Max @CreditNumber (ignorenondigitcharacters=) string must be a credit ca

With regard to spring automatic scanning, in the control layer, the annotation configuration @controller, the project can start successfully, and no error. But in the page jump, did not carry out the corresponding interception, the entire interface can only be in the default interface, jump reported 404, because the landlord first attempt, in a large circle around, the initial confirmation is in the scan wh

Because the project needs to use the wizard-style jump page effect, this project is implemented with spring MVC, just beginning to think of Spring Webflow, but webflow too cumbersome, for we are not very complex jump as if there is a kind of "kill Chicken Yan with sledgehammer" feeling, So on-line search to see if there is a similar solution, the online answer is

use annotation in Spring MVC to jump to another action in the actionThe return value of the method in action is a string line, and the general case is to return a JSP, such as:return "XX": it means returning to a JSP pageWhat if you want to jump to another action in this action? return "Redirect://.do?"For example:@Req

"Hello"; }}4. In order for the @controller annotation to take effect, you need to open the component scan definition in the spring XML configuration file and specify the package that contains the controller component, with the following configuration code:The environment used is eclipse, jdk7.0, Tomcat 7.0, which imports spring dependent packages.2.3 StepsSte

Spring MVC simple HelloWorld instance application based on Annotation configuration, mvchelloworld2.1 questions Use annotations to reconstruct the helloworld application case.2.2 Solution 1. @ RequestMapping annotation Application @ RequestMapping can be used in class definition and method definition to indicate which

Scenario: When using spring mvc, I used an annotation such as @ Service and found that the transaction declared by @ Transactional does not work. My configuration is as follows: The reason is:: The context of component-scan is different from that of the transaction. The configuration of component-scan is loaded by servlet, And the configuration file of the tra

Today took a spring MVC project, how can not scan controller, finally found that the problem in use-default-filters= "false" above, the problem of random copy(The default value is true, which is to scan some related annotations, including @controller, @Component, @Service, @Repository, etc.)If configured to False, will look for similar configuration below Include-filter and Exclude-filter, a blacklist way,

Cacheablerelation {}Customize @cacheevict to Annotations @cacheevictrelation @Retention (retentionpolicy.runtime) @Target ({Elementtype.method}) @Cacheevict (value = "R", key= "#relation. Distributor.id + ' _ ' + #relation. SupplierId") Public @interface Cacheevictrelation {}Customize the @cacheput as a comment @cacheputrelation @Retention (retentionpolicy.runtime) @Target ({Elementtype.method}) @CachePut ( Value = "S", key= "#relation. Distributid + ' _ ' + #relation. SupplierId") public @inte

Reprint: http://blog.csdn.net/xwnxwn/article/details/52679578Ways to get Webapplicationcontext: http://panyongzheng.iteye.com/admin/blogs/1477702XML is scanned in sequence reference: http://sence-qi.iteye.com/blog/1328902The bean that @controller annotations can be successfully scanned in the following way, not the bean that the @service/@Repository is scanned. That's rightJava code package="Org.bdp.system.test.controller" > "annotation"

String Dofirst (ModelModel) {Mapnew hashmap();Datas.put ("uname", "Firefox");Model.addallattributes (datas);SYSTEM.OUT.PRINTLN (model); return ""/web-inf/index.jsp "; }Object parameters: Assembling into entitiesCustom entity classes: UserInfo Package cn.entity; Public class UserInfo { private String uname; Public String Getuname () { return uname; } Public void setuname (String uname) { this. uname = uname; }} Fi the Rstcontroller controller class method para