The solution of using mybatis and PostgreSQL Json fields as query criteria

Date:2019-11-15 Think before reading: You didn't think of a solution? Is PostgreSQL database supported by itself or is there another solution?   Note: first of all, the reason why the database uses the Json data type is that when we do an app push business, the backend pushes several fields to the app We use jsonb data type directly here. Using ...

Posted by thelinx on Fri, 15 Nov 2019 11:12:40 -0800

One minute to learn how to use mybatis generator to generate code automatically!

Catalog I. Introduction to MyBatis Generator II. Usage Three, actual combat Previous articles SpringBoot series - integrating Mybatis (XML configuration mode) This paper introduces the process of XML configuration integration, and introduces the process of generating XML, dao and entity by using my ...

Posted by basdog22 on Fri, 15 Nov 2019 00:49:11 -0800

Premium Purchase (IDEA version) - Next day

Premium Purchase - Day 2 Learning Objectives Goal 1: Common instructions for using the Angular JS front-end framework Goal 2: Complete the list function of brand management Goal 3: Complete Brand Management Paging List Goal 4: Complete the added function of brand management Goal 5: Complete the modification function of brand management Goal 6: ...

Posted by cstegner on Thu, 14 Nov 2019 12:28:40 -0800

Mybatis focuses on environment configuration and architecture

This article has been exclusively authorized to be used by [Xinhua front and back development]. Use other platforms after contacting the author [TOC] brief introduction JDBC, Hibernate and Mybatis are the most commonly used databases. By connecting to the database through JDBC, we will find that the workload is quite complex. We have to deal wi ...

Posted by luisluis on Tue, 12 Nov 2019 19:39:22 -0800

Spring Boot 2.x + myBatis full annotation to realize CRUD and automatic table creation

This paper mainly introduces a demo program based on Spring Boot 2.x, mySQL and myBatis, which uses Web to operate the database, and then implements it in the way of full annotation without xml configuration (a full xml configuration demo will be written later). It mainly supports the following functions:(1) the database automatically creates t ...

Posted by jets on Tue, 12 Nov 2019 10:08:40 -0800

SpringBoot Series - Integrate Mybatis (XML Configuration)

Catalog 1. What is MyBatis? 2. Integration Mode 3. Actual Warfare IV. Testing This article describes how SpringBoot integrates Mybatis (XML configuration). 1. What is MyBatis? MyBatis is an excellent persistence layer framework that supports customization of SQL, stored procedures, and adv ...

Posted by pcjeffmac on Mon, 11 Nov 2019 18:42:29 -0800

Mybaits Source Parsing - One of the most detailed web-wide: Spring-Mybatis framework use and source parsing

In the previous articles, we mainly analyzed the separate use of Mybatis. In practice, most of the common project development uses mybatis in conjunction with Spring. After all, few projects are developed without Spring.This article describes how Mybatis works with Spring and how its source code is implemented. Spring-Mybatis uses Add maven dep ...

Posted by Judas on Sun, 10 Nov 2019 19:50:08 -0800

Object Factory for Mybatis

Preface Above How Mybatis XML maps to methods When you talk about result mapping in Mybatis, you need to create objects and assign values to their attributes. To create objects, you use Mybatis's built-in object factory class, DefaultObjectFactory. Of course, Mybatis also provides an extension mechanism that allows users to implement their own ...

Posted by spider on Sun, 10 Nov 2019 17:52:52 -0800

Cglib, Javassist, JDK dynamic proxy

1. Introduction Java's dynamic proxy is really important, especially when you want to understand the principles of some frameworks. If you are not familiar with Java dynamic proxy or even know Java dynamic proxy, you can basically just say "I'm too hard". For example, to know why MyBatis doesn't need an implementation, you only need a ...

Posted by mharju on Sun, 10 Nov 2019 17:04:46 -0800

How Mybatis's method maps to XML

Preface Above How the Mapper interface of Mybatis executes SQL You learned that Mapper executes SQL through a dynamic proxy, but there is no detailed description of how the method maps, including method names, return values, parameters, and so on; how these relate to xxMapper.xml. Method Name Mapping The purpose of caching MapperMethod s me ...

Posted by midgar777 on Fri, 08 Nov 2019 18:08:27 -0800