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Original link: http://www.yiidian.com/springmvc/interceptor.html Interceptors in Spring MVC are similar to filters in Servlet s, which are used to intercept user requests and process them accordingly.For example, the Interceptor can verify permissions, log requests, determine whether users are logged in, and so on. To use interceptors in Spring ...

Question: The following two configuration items are configured in application.properties ccb.ip.address=10.25.177.31 ccb.ip.port=1600 The configuration in the application.properties configuration file cannot be read in the following problem code Question code: public class BISFrontFileUtil { private static Logger logger = LoggerFactor ...

Today, let's talk about the addition, deletion, modification and query of ES, which is helpful to understand the code of spring boot integration es next week. First of all, we create an index of EST first, and then if all the screenshots are taken, the reading fluency is too low, so we will use the shorthand form [request type URL] next. The f ...

Let's think about a practical problem. When spring comes, we are going to buy clothes. At the same time, as a clothing manufacturer, we are going to release new clothes. If you are a technical consultant of a clothing manufacturer, please analyze what kind of clothes belong to this year's fashion trend and what would you do? First of all, as a ...

State mode is also common in life scenes. For example, we usually change the order status of online shopping, as well as the status of taking the elevator. In the process of software development, there may be different situations for a certain operation. Generally, the most direct way to deal with multi situation problems is to use if...else o ...

StringRedisTemplate was used in writing a mall project and the result test started incorrectly: BeanCreationException: Error creating bean with name 'userController': Injection of resource dependencies failed， BeanNotOfRequiredTypeException: Bean named 'redisTemplate' is expected to be of type 'org.springframework.data.redis.core.StringRedisTe ...

Java's dynamic proxy has a wide range of usage scenarios in practice, such as Spring AOP for the most scenarios, acquisition of Java annotations, logging, user authentication, and so on.This article takes you through proxy mode, static proxy, and native dynamic proxy based on JDK. proxy pattern Whether you are learning static or dynamic proxies ...

In the previous article, we looked at the process of publishing a dubbo service, and this article outlined the process of analyzing dubbo service references. 1. What should service consumers do? Generate proxy objects (help us achieve communication details) Set up a communication connection (netty) Get the service provider address (subscript ...

Preface: Before that, we explained ----- Integration and Testing of Three Frameworks of this Project (Spring+SpringMVC+Mybatis) , we have a certain understanding of the integration of the three major frameworks today, so today we are talking about the implementation of the store management module, mainly explaining the front and back-end two mo ...

In order to facilitate the unified management of exceptions, spring mvc provides controlleradvise annotation to deal with exceptions in a unified way. After getting the exception information, you can sit and handle it. For example, it provides a unified web interface to view the exception information, or it sends SMS or email t ...