Programmer Think

premise Last time I wrote an article, Integrated Use of SpringBoot Kafka And read a lot, so think about integrating several other MQ s with SpringBoot. Here are four popular MQ s: Write an integrated article with SpringBoot later. Install RabbitMQ Some environments are built directly in Mac because of a Mac change, but installing Rabbi ...

What can the Springboot configuration file write? How do you write it? Principle of Automatic Configuration Property references that configuration files can configure Principle of Automatic Configuration Spring Boot loads the main configuration class at startup, opening the automatic configuration ...

Undertake previous blog posts ” springboot maven+layui upload file“ The file is uploaded to the remote server and returned to the file server storage path and file size needed to store the database. pom.xml dependencies <dependency> <groupId>org.apache.commons</groupI ...

In the Java world, configurations are left to Properties, a module that dates back to the old JDK1.0. "My God, it was 20 years ago and I was still using it Properties.." However, the main character of this article is not Properties, but Yaml.This is a favorite of the microservice architecture in the new era, and Yaml seems a bit wet compare ...

Cause Two days of research on springboot, because I just came into contact with springboot, I encountered a lot of problems. First of all, this springboot I built here is no web.xml configuration file, so when I set up the filter, I don't know where to set it up, resulting in a bunch of filter solution ...

These two days, the company needs to make a business registration background function, which requires businesses to upload a number of pictures and echo. Since I haven't done anything in this area before, this article is used to record some knowledge points for subsequent review. upload Controller's code is very simple, because it uses the Spri ...

Springboot MyBatis Multiple Data Source Switching In practical development, we may use multiple databases for a project, usually one database for a data source.In this example, switch between multiple data sources in two ways 1) Manual switch 2) Switch using annotations Code structure: Brief Principle: 1) DataSourceType lists the key-key ...

In order to support the direct request of web browser ajax, project development involves cross-domain requirements. Through learning, we have a more in-depth understanding of cross-domain. Now let's sum up: 1. Cross-domain description Cross-domain refers to the inconsistency between the domain of requests and services, the impact of browsers an ...

In our last blog, we introduced the concept of SpringBoot. Here we experience the features of SpringBoot by quickly building a SpringBoot application. 1. Creating Engineering First we open MyEclipse and create a Maven project: Then we choose the Creation Mode, where we choose not to need the skeleton: Finally, fill in the relevant parameter ...

Preface I'm sure you'll often encounter this page when you first start experiencing Springboot, which is the default return page to a page that doesn't exist. Spring Boot Default Error Page If it is a request from another client, such as an interface test tool, the JSON data is returned by default. { "timestamp":"20 ...