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I have written the strategic logic for several months, which is a bit silly. To do database and table splitting, it took almost a day to use the simplest Mybatis in spring boot. The ability to solve macro problems has declined a lot after a long time in logic details. To use Mybatis in spring boot, you need to do the following steps: 1. use S ...

Class loading process A type starts from being loaded into the memory of the virtual machine and ends at being unloaded. Its whole life cycle will go through seven stages: Loading, Verification, Preparation, Resolution, Initialization, Using and Unloading Collectively referred to as Linking, as shown in the figure: The order of loading, verify ...

Official Spring Security documentation Spring Security and Shiro are both security frameworks, which contain a lot of content. This article mainly records the part of authorization and authentication that I understand. I hope it can be expressed as succinctly and completely as possible. Welcome to exchange. formlogin main process Among them, t ...

>At present, there are three popular configuration center frameworks on the market: Spring CLoud Config ,Alibaba Nacos as well as Ctrip apollo , we call on the corresponding architecture group to use Apollo. Work Flow Simple explanation: In the above figure, there are three environments FAT, UAT and PROD, each of which has two sets of Confi ...

1, Data in section 1. RequestMapping annotation: @RequestMapping(value = "Requested URL",params = {"Restrict incoming parameters"},method="Qualify method type",headers="Qualified request header") 2. Path data section: <a href="method2/100">Test request header</a><br><br&gt ...

Last article: What happened to a call to the server of Pigeon In the previous section, we introduced the process of the request calling of Pigeon, so how is the service of Pigeon perceived by the caller? We know that RPC usually has a registry to store the information of service testing (ip, port, etc.) ...

1. Create WEB project The community version does not have the function of creating a web project, so it can only create a maven web project. Here, the enterprise version of cracking is used. 1.1 creation steps File-New-Project In the pop-up window, select Java Enterprise - project SDK - Java EE ...

We may encounter the upload of large files in our work. If we transfer them once, we may encounter various problems such as network and timeout. Here, we will introduce the scheme in two ways: fragment upload and breakpoint continue transfer. 1, Slice upload Principle of fragment upload: the front end f ...

1, Description of Nacos distributed configuration center 1. What are the mainstream configuration centers? 1. Spring cloud config. It comes with spring cloud. It is not friendly. There is no background management. You can directly use git/svn to manage files 2. Apollo: too heavy, difficult to deploy ...

I met this problem last time when I was working on a personal blog project. Now let's write down the solution steps IDE: IDEA Language: java Framework: spring boot Template engine: thymeleaf 1, See the effect1. Picture submission2. Picture display2, Design process 1.pom.xml <dependency> <g ...