A detailed explanation of the agent model of the architect's mental skill

1, Application scenario of agent mode In our life, we often see such scenes, such as: rental and sales agency, marriage agency, broker, express delivery, etc., which are the real life embodiment of agent mode. Proxy Pattern refers to providing a proxy for other objects to control access to this object. The proxy object plays an intermediary rol ...

Posted on Mon, 24 Feb 2020 04:39:03 -0500 by MattWeet

Spring and Mybatis integration

Spring and MyBatis integration 1. Environment construction 2. Development and integration of traditional DAO 3. Development and integration of mapper interface 3.1 MapperFactoryBean based integration 3.2 MapperScannerConfigurer based integration 1. Environment construction Required jar packa ...

Posted on Mon, 24 Feb 2020 04:14:08 -0500 by netpumber

day04 process control

Process control In the process of a program execution, the execution order of each statement has a direct impact on the result of the program. In other words, the process of the program has a direct impact on the running results. Therefore, we must be clear about the execution process of each statem ...

Posted on Mon, 24 Feb 2020 03:02:46 -0500 by dubrubru

SpringBoot Foundation - Quick Start to SpringBoot

SpringBoot Foundation Learning objectives: Understand Spring's strengths and weaknesses Understand SpringBoot features Understanding the core features of SpringBoot Ability to set up SpringBoot environments Ability to configure application.properties configuration file Ability to configure application.yml configuration file Ability to integrat ...

Posted on Sun, 23 Feb 2020 23:34:43 -0500 by dirTdogE

Spring Boot Automation Configuration Principle

The Spring Boot automation configuration principle relies on the @Conditional annotation: @Conditional is a new feature provided by Spring4 to control the creation behavior of beans based on conditions. Let's start with the well-known Spring Boot startup class @SpringBootApplication public class DemoApp ...

Posted on Sun, 23 Feb 2020 22:04:57 -0500 by KindMan

The Way to Advance with Spring Cloud|21: JWT Implementation of Authorized Services (Spring Cloud Oauth2)

  Preface In the previous articles, you'll see The Way to Advance with Spring Cloud|18: JdbcClientDetailsService for ClientDetailsService (Spring Cloud Oauth2),The Way to Advance with Spring Cloud|19: JdbcTokenStore of TokenStore for Authorized Services (Spring Cloud Oauth2),The Way to Advance with ...

Posted on Sun, 23 Feb 2020 20:26:58 -0500 by edwardp

Spring Boot integrates ActiveMQ

There are two main types of asynchronous messages in ActiveMQ: queue and topic. Queue is used for point-to-point message communication and topic is used for publish / subscribe message communication. ActiveMQ installation: Baidu online disk download: https://pan.baidu.com/s/1BNoOeiZ_Ry0oe-raEEVEmA Extra ...

Posted on Sun, 23 Feb 2020 04:36:02 -0500 by Orio

13. The use of interceptors in SpringBoot

1.1 defining interceptors To define an interceptor, you only need to implement the HandlerInterceptor interface, which is provided by all custom interceptors or Spring Boot The ancestor of interceptor, so let's first understand the interface. There are three methods in the interface: preHandle, postHandle and afterCompletion 1) preHandle meth ...

Posted on Sun, 23 Feb 2020 00:05:37 -0500 by artic

Python Automatically Collects WeChat Contacts

The epidemic has finally improved. Thanks to all the white-clothed angels who are fighting for it, you are the best!Fabulous! The white-clothed angels are fighting on the front line, and we can't always lie down at home to make contributions. We should also strengthen our study and strive for a good ...

Posted on Sat, 22 Feb 2020 21:17:25 -0500 by syam92

SpringBoot learning seckill II. jsr303 calibrator

Form verification is an indispensable link when we submit a form. The common verification method is to judge each parameter separately, but this is not only troublesome, but also if we write too many if parameters, the code will be bloated and the readability will be poor. Take login as an example, supp ...

Posted on Sat, 22 Feb 2020 09:33:57 -0500 by plazz2000