Programmer Group

Spring boot series (9) minutes to upload files Previous recommendationSpring boot series (I) idea new spring boot project Introduction to SpringBoot series (2) Spring boot series (3) configuration file details Spring boot series (IV) detailed explanation of web static resource configuration Spring boot series (V) Mybatis integrated full detaile ...

Hello, brothers, this time to exchange two questions with the old fellow, exception and parameter checking. Before we talk about parameter checking, let's first talk about exception handling, because the latter parameter checking involves exception handling. exception handling When it comes to exception handling, I don't know if you've written ...

SpringBoot has a built-in Hibernate Validator as the checking framework, so as long as we have integrated SpringBoot, we can use Hibernate Validator to complete parameter checking. Common Notes @Null: The commented property must be null; @NotNull: The commented property cannot be null; @AssertTrue: The commented property must be true; @AssertF ...

1. Background development environment: Language: java Framework: springboot 2. Code example: package com.zc.wechat.web; import com.zc.common.api.util.Result; import com.zc.wechat.model.Token; import com.zc.wechat.model.app.Jscode2sessionResult; import com.zc.wechat.service.WechatAppService; import com.zc.wechat.service.WechatServerService; ...

Catalog 1. Blog writing background 2. LocalDateTime front-end interaction 2.1 LocalDateTime writes a timestamp to the front end 2.1.1 fastJson default write format 2.1.2 Change the fastJson write format so that it writes back the timestamp () 2.2 Receive the time stamp passed by the front end as LocalDateTimme 2.2.1 LocalDateTime Default ...

Spring boot exception handling, usually in two ways One is to use @ ControllerAdvice The other is to use ErrorController, the default error handling BasicErrorController of springboot, which is the implemented interface The first one is called adding interceptor. It's not good. The second one is less error information. It's also bad. It miss ...

The proxy model is simply a design pattern for pre- and post-intervention on Methods in existing classes to modify an existing business at the class or method level without modifying an existing business class. There are currently two implementations, one is a static proxy, implemented purely through code based on design patterns.The other is ...

Construction project For example, to create a spring MVC project, you need the start dependency of spring boot starter thymeleaf and spring boot starter web. For example, if you can upload files to the server, you need to add tags to the web.xml to do the relevant configuration, but in the sringboot project, it has been done for you automatica ...

Introduction to Feign In the previous article, we analyzed Eureka's registration, renewal, service culling, service self-protection and other mechanisms. https://blog.csdn.net/lgq2626/article/details/80288992 .This article analyzes the feign of SpringCloud.Calls between SpringCloud micro-service items are made through httpress requests, which w ...

springboot transaction related 1. Enable global transaction support Enable @ EnableTransactionManagement in SpringbootApplication to support @Transactional Enable APO configuration support @ EnableAspectJAutoProxy (exposeProxy = true) to support automatic transaction configuration in aop mode Where exposePorxy defaults to false and is set t ...