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Ten thousand years ago, I wanted to write an article to record the implementation of the QR code function. I didn't expect that it would be now. Today is Saturday~~~ Now there are a lot of tripartite libraries about scanning code on the Internet. Of course, these are all extended based on the framework of zxing. Here I ...

In order to facilitate local development, testing and production packaging are occasionally involved. The configuration of each environment is different. Configuration files of multiple environments need to be configured to avoid having to modify the configuration files when packaging The default configuration file of the SpringBoot project is ...

Author|Good Name Alibaba Technical Expert background I believe many people have used start.spring.io to initialize their own Spring Boot project. This tool provides developers with a wide range of optional components and can be packaged in a variety of ways, making it easy for developers to use.Recently, Alibaba's Nacos and Sentinel have also ...

Source address: https://gitee.com/bingqilinpeishenme/Java-Tutorials Preface In the first three articles, the concepts related to microservices, spring cloud and service governance are introduced in large vernacular, and the development of spring cloud code starts from this article. Spring cloud project environment construction All demo s of ...

Next, we learned the message service of Alida fish This article integrates it into the code 1. Use API to send SMS Step 1: view help documents Ali big fish API https://help.aliyun.com/product/44282.html?spm=5176.12212976.0.0.15b31cbeK3Pm5Y Step 2: determine the code in Java development Example demo https://help.aliyun.com/document_detail/ ...

Summary A sparkline is a miniature chart that represents data in Excel worksheet cells. Using the sparkline can display the trend of data change intuitively, highlight the maximum value and the minimum value, and put them in the data table can play a good data analysis effect. This article introduces how to create Mini chart in Excel, edit and ...

Actuator 　　 In addition to service fault tolerance, Hystrix also provides near real-time monitoring function, which collects the service execution results and running indicators, the number of successful requests, etc. through the activator, and then accesses / Actor / Hystrix.stream to see the real-time monitoring data. 　　 Add dependency ...

Preface It is agreed as follows: SpringBootAdmin - SBA SpringSecurity - SSE According to the current situation of search engine retrieval, everyone's application of SBA is relatively limited, with few divergent use. It is basically based on the example given on the official website (eureka-SBA-SSE), In addition, there are some confusing probl ...

@[toc] Spring cloud uses Feign and Hystrix to realize fault-tolerant protection of services Preface The fault-tolerant protection of Hystrix enables the code to be spliced with the + sign when it is called. The implementation method is not elegant, as shown in the figure below. Hystrix calls service @HystrixCommand(fallbackMethod = "fallbac ...

When packaging Maven project, if you need to add local jar package dependency, you can choose two methods: 1. Install to local warehouse The first method is more conventional, which is applicable to the jar package to be added when it is exported by maven project and contains pom files. Just install the jar package into the local maven reposito ...